{"jobs":[{"id":"13006848-6a69-4467-9274-5d54e80b965d","title":"Machine Learning Infrastructure Engineer","department":"Technical Staff - ML","team":"Technical Staff - ML","employmentType":"FullTime","location":"Redwood City, CA","secondaryLocations":[],"publishedAt":"2025-04-24T17:17:46.443+00:00","isListed":true,"isRemote":true,"workplaceType":"Hybrid","address":{"postalAddress":{"addressRegion":"California","addressCountry":"United States","addressLocality":"Redwood City"}},"jobUrl":"https://jobs.ashbyhq.com/character/13006848-6a69-4467-9274-5d54e80b965d","applyUrl":"https://jobs.ashbyhq.com/character/13006848-6a69-4467-9274-5d54e80b965d/application","descriptionHtml":"<p style=\"min-height:1.5em\"></p><h1><strong>About the role</strong></h1><p style=\"min-height:1.5em\">We’re looking for seasoned ML Infrastructure engineers with experience designing, building and maintaining training and serving infrastructure for ML research.</p><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"><strong>Responsibilities</strong>:</p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Provide infrastructure support to our ML research and product</p></li><li><p style=\"min-height:1.5em\">Build tooling to diagnose cluster issues and hardware failures</p></li><li><p style=\"min-height:1.5em\">Monitor deployments, manage experiments, and generally support our research</p></li><li><p style=\"min-height:1.5em\">Maximize GPU allocation and utilization for both serving and training</p><p style=\"min-height:1.5em\"></p></li></ul><p style=\"min-height:1.5em\"><strong>Requirements:</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">4+ years of experience supporting the infrastructure within an ML environment</p></li><li><p style=\"min-height:1.5em\">Experience in developing tools used to diagnose ML infrastructure problems and failures</p></li><li><p style=\"min-height:1.5em\">Experience with cloud platforms (e.g., Compute Engine, Kubernetes, Cloud Storage)</p></li><li><p style=\"min-height:1.5em\">Experience working with GPUs</p><p style=\"min-height:1.5em\"></p></li></ul><p style=\"min-height:1.5em\"><strong>Nice to have</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Experience with large GPU clusters and high-performance computing/networking</p></li><li><p style=\"min-height:1.5em\">Experience with supporting large language model training</p></li><li><p style=\"min-height:1.5em\">Experience with ML frameworks like Pytorch/TensorFlow/JAX</p></li><li><p style=\"min-height:1.5em\">Experience with GPU kernel development</p><p style=\"min-height:1.5em\"></p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"ABOUT THE ROLE\n\nWe’re looking for seasoned ML Infrastructure engineers with experience designing, building and maintaining training and serving infrastructure for ML research.\n\n\n\nResponsibilities:\n\n - Provide infrastructure support to our ML research and product\n\n - Build tooling to diagnose cluster issues and hardware failures\n\n - Monitor deployments, manage experiments, and generally support our research\n\n - Maximize GPU allocation and utilization for both serving and training\n   \n   \n\nRequirements:\n\n - 4+ years of experience supporting the infrastructure within an ML environment\n\n - Experience in developing tools used to diagnose ML infrastructure problems and failures\n\n - Experience with cloud platforms (e.g., Compute Engine, Kubernetes, Cloud Storage)\n\n - Experience working with GPUs\n   \n   \n\nNice to have\n\n - Experience with large GPU clusters and high-performance computing/networking\n\n - Experience with supporting large language model training\n\n - Experience with ML frameworks like Pytorch/TensorFlow/JAX\n\n - Experience with GPU kernel development\n   \n   \n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."},{"id":"449bf7c1-41d7-47a4-89a7-0ee0b31f5918","title":"Research Engineer, Post-Training (All Industry Levels)","department":"Technical Staff - ML","team":"Technical Staff - ML","employmentType":"FullTime","location":"Redwood City or New York City","secondaryLocations":[],"publishedAt":"2024-01-24T05:51:56.100+00:00","isListed":true,"isRemote":true,"workplaceType":"Hybrid","address":{"postalAddress":{"addressCountry":"United States"}},"jobUrl":"https://jobs.ashbyhq.com/character/449bf7c1-41d7-47a4-89a7-0ee0b31f5918","applyUrl":"https://jobs.ashbyhq.com/character/449bf7c1-41d7-47a4-89a7-0ee0b31f5918/application","descriptionHtml":"<h2><strong>About the role and team</strong></h2><p style=\"min-height:1.5em\">Joining us as a Research Engineer on the Post-Training team, you'll be diving into the exciting world of fine-tuning AI models, optimizing their performance, and ensuring they meet the highest standards of quality and efficiency. Your work will directly contribute to our groundbreaking advancements in AI, helping shape an era where technology is not just a tool, but a companion in our daily lives. At <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\">Character.AI</a>, your talent, creativity, and expertise will not just be valued—they will be the catalyst for change in an AI-driven future.<br /></p><p style=\"min-height:1.5em\">The Post-Training team is responsible for developing our powerful pretrained language models into intelligent, engaging, and aligned products.</p><p style=\"min-height:1.5em\">As a Post-Training Researcher, you will work across teams and our technical stack to improve our model performance and training methods, including data, compute and algorithms. You will get to shape the conversational experience of millions of users per day.</p><p style=\"min-height:1.5em\"></p><h2>What you'll do</h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Develop alignment algorithms and loss functions to improve data sample efficiency.</p></li><li><p style=\"min-height:1.5em\">Write data pipelines to process diverse web data into a format models can ingest.</p></li><li><p style=\"min-height:1.5em\">Identify quality signals to understand our model’s performance in the real world.</p></li><li><p style=\"min-height:1.5em\">Design sampling algorithms to improve serving efficiency of large generative models.</p></li></ul><p style=\"min-height:1.5em\"></p><h2>Who you are</h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">\"All Industry Levels\": have at least PhD (or equivalent) </p></li><li><p style=\"min-height:1.5em\">Write clear and clean production-facing and training code</p></li><li><p style=\"min-height:1.5em\">Experience working with GPUs (training, serving, debugging)</p></li><li><p style=\"min-height:1.5em\">Experience with data pipelines and data infrastructure</p></li><li><p style=\"min-height:1.5em\">Strong understanding of modern machine learning techniques (reinforcement learning, transformers, etc)</p></li><li><p style=\"min-height:1.5em\">Track-record of exceptional research or creative applied ML projects</p></li></ul><p style=\"min-height:1.5em\"></p><h2><strong>Nice to Have</strong></h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Experience with product experimentation and A/B testing</p></li><li><p style=\"min-height:1.5em\">Experience training large models in a distributed setting</p></li><li><p style=\"min-height:1.5em\">Familiarity with ML deployment and orchestration (Kubernetes, Docker, cloud)</p></li><li><p style=\"min-height:1.5em\">Publications in relevant academic journals or conferences in the field of machine learning</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"ABOUT THE ROLE AND TEAM\n\nJoining us as a Research Engineer on the Post-Training team, you'll be diving into the exciting world of fine-tuning AI models, optimizing their performance, and ensuring they meet the highest standards of quality and efficiency. Your work will directly contribute to our groundbreaking advancements in AI, helping shape an era where technology is not just a tool, but a companion in our daily lives. At Character.AI http://Character.AI, your talent, creativity, and expertise will not just be valued—they will be the catalyst for change in an AI-driven future.\n\n\nThe Post-Training team is responsible for developing our powerful pretrained language models into intelligent, engaging, and aligned products.\n\nAs a Post-Training Researcher, you will work across teams and our technical stack to improve our model performance and training methods, including data, compute and algorithms. You will get to shape the conversational experience of millions of users per day.\n\n\n\n\nWHAT YOU'LL DO\n\n - Develop alignment algorithms and loss functions to improve data sample efficiency.\n\n - Write data pipelines to process diverse web data into a format models can ingest.\n\n - Identify quality signals to understand our model’s performance in the real world.\n\n - Design sampling algorithms to improve serving efficiency of large generative models.\n\n\n\n\nWHO YOU ARE\n\n - \"All Industry Levels\": have at least PhD (or equivalent)\n\n - Write clear and clean production-facing and training code\n\n - Experience working with GPUs (training, serving, debugging)\n\n - Experience with data pipelines and data infrastructure\n\n - Strong understanding of modern machine learning techniques (reinforcement learning, transformers, etc)\n\n - Track-record of exceptional research or creative applied ML projects\n\n\n\n\nNICE TO HAVE\n\n - Experience with product experimentation and A/B testing\n\n - Experience training large models in a distributed setting\n\n - Familiarity with ML deployment and orchestration (Kubernetes, Docker, cloud)\n\n - Publications in relevant academic journals or conferences in the field of machine learning\n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."},{"id":"140e81c9-c989-4e95-9768-f4f6e7f6759c","title":"Software Engineer, Core Product","department":"Technical Staff - Engineering","team":"Technical Staff - Engineering","employmentType":"FullTime","location":"Redwood City, CA","secondaryLocations":[],"publishedAt":"2025-10-03T22:59:55.457+00:00","isListed":true,"isRemote":true,"workplaceType":"Hybrid","address":{"postalAddress":{"addressRegion":"California","addressCountry":"United States","addressLocality":"Redwood City"}},"jobUrl":"https://jobs.ashbyhq.com/character/140e81c9-c989-4e95-9768-f4f6e7f6759c","applyUrl":"https://jobs.ashbyhq.com/character/140e81c9-c989-4e95-9768-f4f6e7f6759c/application","descriptionHtml":"<h2><strong>About the role and team</strong></h2><p style=\"min-height:1.5em\">We are building the future of open-ended interactions between people and intelligent agents. This requires rethinking design, user interfaces, workflows and interactivity from first principles. We’re looking for a Core Product engineer who is genuinely excited about this future and can make significant contributions to our front-end development efforts.  If you are a skilled software engineer with a deep passion for front end development, design, craft, and you thrive in a fast-paced, agile environment, we encourage you to apply for this exciting opportunity.</p><p style=\"min-height:1.5em\"></p><h2><strong>What you’ll do</strong></h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Develop highly performant, visually appealing, and user-friendly interfaces that push the boundaries of what's possible.</p></li><li><p style=\"min-height:1.5em\">Enhance and refine our user interface, focusing on engaging our users by fulfilling their needs, desires, and expectations.</p></li><li><p style=\"min-height:1.5em\">Collaborate closely with the design team to translate visionary concepts into tangible user experiences and product interfaces.</p></li><li><p style=\"min-height:1.5em\">Establish, evolve, and maintain design foundations, systems, and patterns for the team, setting the bar for product consistency and quality.</p></li><li><p style=\"min-height:1.5em\">Collaborate with others to define and implement new product features and design patterns</p><p style=\"min-height:1.5em\"></p></li></ul><h2><strong>Who you are</strong></h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Experience as a Front-End or Full-Stack Software Engineer with a strong focus on user experience and design systems</p></li><li><p style=\"min-height:1.5em\">Deep understanding of Typescript, React, React Native, Tailwind, HTML, and modern front-end best practices.</p></li><li><p style=\"min-height:1.5em\">Demonstrated experience with building features and experiences for consumer products</p></li><li><p style=\"min-height:1.5em\">Passionate about the pixels, an exceptional eye for detail, and a focus on craft and polish</p></li><li><p style=\"min-height:1.5em\">Proven ability to work in a fast-paced development environment and deliver timely results.</p></li><li><p style=\"min-height:1.5em\">Excellent communication and collaboration skills across engineering, product, design, and data.</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"ABOUT THE ROLE AND TEAM\n\nWe are building the future of open-ended interactions between people and intelligent agents. This requires rethinking design, user interfaces, workflows and interactivity from first principles. We’re looking for a Core Product engineer who is genuinely excited about this future and can make significant contributions to our front-end development efforts. If you are a skilled software engineer with a deep passion for front end development, design, craft, and you thrive in a fast-paced, agile environment, we encourage you to apply for this exciting opportunity.\n\n\n\n\nWHAT YOU’LL DO\n\n - Develop highly performant, visually appealing, and user-friendly interfaces that push the boundaries of what's possible.\n\n - Enhance and refine our user interface, focusing on engaging our users by fulfilling their needs, desires, and expectations.\n\n - Collaborate closely with the design team to translate visionary concepts into tangible user experiences and product interfaces.\n\n - Establish, evolve, and maintain design foundations, systems, and patterns for the team, setting the bar for product consistency and quality.\n\n - Collaborate with others to define and implement new product features and design patterns\n   \n   \n\n\nWHO YOU ARE\n\n - Experience as a Front-End or Full-Stack Software Engineer with a strong focus on user experience and design systems\n\n - Deep understanding of Typescript, React, React Native, Tailwind, HTML, and modern front-end best practices.\n\n - Demonstrated experience with building features and experiences for consumer products\n\n - Passionate about the pixels, an exceptional eye for detail, and a focus on craft and polish\n\n - Proven ability to work in a fast-paced development environment and deliver timely results.\n\n - Excellent communication and collaboration skills across engineering, product, design, and data.\n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."},{"id":"b063d44b-e1fd-4777-8079-573706a589a0","title":"Software Engineer, Backend","department":"Technical Staff - Engineering","team":"Technical Staff - Engineering","employmentType":"FullTime","location":"Redwood City, CA","secondaryLocations":[],"publishedAt":"2025-12-08T19:38:59.867+00:00","isListed":true,"isRemote":true,"workplaceType":"Hybrid","address":{"postalAddress":{"addressRegion":"California","addressCountry":"United States","addressLocality":"Redwood City"}},"jobUrl":"https://jobs.ashbyhq.com/character/b063d44b-e1fd-4777-8079-573706a589a0","applyUrl":"https://jobs.ashbyhq.com/character/b063d44b-e1fd-4777-8079-573706a589a0/application","descriptionHtml":"<h2><strong>About the Role</strong></h2><p style=\"min-height:1.5em\">We are looking for a talented and motivated Backend Engineer to join our team. You will be responsible for building and maintaining scalable, high-performance backend systems that power our products. Collaborating with designers, data scientists, and engineers, you'll play a key role in conceptualizing, designing, and delivering robust and efficient backend solutions.</p><p style=\"min-height:1.5em\"></p><h2><strong>What you’ll do</strong></h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Design, develop, and maintain scalable backend services that support our applications and infrastructure.</p></li><li><p style=\"min-height:1.5em\">Implement secure and efficient APIs to support frontend applications and third-party integrations.</p></li><li><p style=\"min-height:1.5em\">Optimize system performance, reliability, and scalability through effective architecture and engineering best practices.</p></li><li><p style=\"min-height:1.5em\">Work closely with product managers, data analysts, and frontend engineers to develop backend solutions that align with business and user needs.</p></li><li><p style=\"min-height:1.5em\">Ensure high availability, fault tolerance, and performance of backend systems.</p></li><li><p style=\"min-height:1.5em\">Monitor system health, troubleshoot issues, and implement improvements to enhance efficiency and stability.</p></li><li><p style=\"min-height:1.5em\">Maintain security best practices to protect user data and system integrity.</p></li><li><p style=\"min-height:1.5em\">Stay up to date with industry trends and emerging technologies in backend development and distributed systems.<br /></p></li></ul><h2><strong>Who you are</strong></h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">5+ years of experience in backend development, building scalable and reliable applications.</p></li><li><p style=\"min-height:1.5em\">Strong proficiency in programming languages such as Python, Java, or Go. Python and Go are preferred.</p></li><li><p style=\"min-height:1.5em\">Experience with database technologies such as PostgreSQL, MySQL, or NoSQL solutions.</p></li><li><p style=\"min-height:1.5em\">Familiarity with designing and integrating APIs, including REST and GraphQL.</p></li><li><p style=\"min-height:1.5em\">Understanding of distributed systems, microservices architecture, and cloud platforms (AWS, GCP, or Azure).</p></li><li><p style=\"min-height:1.5em\">Experience with containerization and orchestration tools like Docker and Kubernetes.</p></li><li><p style=\"min-height:1.5em\">Strong problem-solving skills and the ability to optimize system performance and reliability.</p></li><li><p style=\"min-height:1.5em\">Excellent communication skills and the ability to work effectively in a collaborative environment.</p></li></ul><p style=\"min-height:1.5em\"><strong>Preferred Qualifications</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Experience with event-driven architectures and messaging systems (Kafka, RabbitMQ, etc.).</p></li><li><p style=\"min-height:1.5em\">Knowledge of caching strategies and performance optimization techniques.</p></li><li><p style=\"min-height:1.5em\">Experience working on large-scale, high-traffic applications.</p></li><li><p style=\"min-height:1.5em\">Familiarity with CI/CD pipelines and DevOps best practices.</p></li><li><p style=\"min-height:1.5em\">Exposure to machine learning or data-driven applications.</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"ABOUT THE ROLE\n\nWe are looking for a talented and motivated Backend Engineer to join our team. You will be responsible for building and maintaining scalable, high-performance backend systems that power our products. Collaborating with designers, data scientists, and engineers, you'll play a key role in conceptualizing, designing, and delivering robust and efficient backend solutions.\n\n\n\n\nWHAT YOU’LL DO\n\n - Design, develop, and maintain scalable backend services that support our applications and infrastructure.\n\n - Implement secure and efficient APIs to support frontend applications and third-party integrations.\n\n - Optimize system performance, reliability, and scalability through effective architecture and engineering best practices.\n\n - Work closely with product managers, data analysts, and frontend engineers to develop backend solutions that align with business and user needs.\n\n - Ensure high availability, fault tolerance, and performance of backend systems.\n\n - Monitor system health, troubleshoot issues, and implement improvements to enhance efficiency and stability.\n\n - Maintain security best practices to protect user data and system integrity.\n\n - Stay up to date with industry trends and emerging technologies in backend development and distributed systems.\n   \n\n\nWHO YOU ARE\n\n - 5+ years of experience in backend development, building scalable and reliable applications.\n\n - Strong proficiency in programming languages such as Python, Java, or Go. Python and Go are preferred.\n\n - Experience with database technologies such as PostgreSQL, MySQL, or NoSQL solutions.\n\n - Familiarity with designing and integrating APIs, including REST and GraphQL.\n\n - Understanding of distributed systems, microservices architecture, and cloud platforms (AWS, GCP, or Azure).\n\n - Experience with containerization and orchestration tools like Docker and Kubernetes.\n\n - Strong problem-solving skills and the ability to optimize system performance and reliability.\n\n - Excellent communication skills and the ability to work effectively in a collaborative environment.\n\nPreferred Qualifications\n\n - Experience with event-driven architectures and messaging systems (Kafka, RabbitMQ, etc.).\n\n - Knowledge of caching strategies and performance optimization techniques.\n\n - Experience working on large-scale, high-traffic applications.\n\n - Familiarity with CI/CD pipelines and DevOps best practices.\n\n - Exposure to machine learning or data-driven applications.\n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."},{"id":"902c3060-f41f-4bb0-b23d-988055e94f3c","title":"Software Engineer, Monetization","department":"Technical Staff - Engineering","team":"Technical Staff - Engineering","employmentType":"FullTime","location":"Redwood City, CA","secondaryLocations":[],"publishedAt":"2025-10-03T23:55:30.746+00:00","isListed":true,"isRemote":true,"workplaceType":"Hybrid","address":{"postalAddress":{"addressRegion":"California","addressCountry":"United States","addressLocality":"Redwood City"}},"jobUrl":"https://jobs.ashbyhq.com/character/902c3060-f41f-4bb0-b23d-988055e94f3c","applyUrl":"https://jobs.ashbyhq.com/character/902c3060-f41f-4bb0-b23d-988055e94f3c/application","descriptionHtml":"<h2><strong>About the Role</strong></h2><p style=\"min-height:1.5em\">We are scaling personalized AI to billions of users and monetization is at the core of making this vision sustainable. Our monetization team is reimagining how users interact with virtual currency, subscriptions, and premium features in ways that feel intuitive, rewarding, and fun. We’re looking for a product engineer who thrives at the intersection of core product, commerce, and user experience—someone excited to design and build systems that not only drive revenue but also enhance user delight.</p><p style=\"min-height:1.5em\">If you have experience with subscriptions, ads, virtual economies, or in-app purchase flows, and care deeply about building high-quality user experiences we’d love to work with you.</p><p style=\"min-height:1.5em\"></p><h2><strong>What you’ll do</strong></h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Build and optimize user-facing features across mobile and web that power payments, subscriptions, and in-app purchase flows.</p></li><li><p style=\"min-height:1.5em\">Design and experiment with monetization surfaces, from virtual currency systems to premium upsells to advertising.</p></li><li><p style=\"min-height:1.5em\">Partner closely with design and product to create delightful, performant, and trustworthy purchase experiences.</p></li><li><p style=\"min-height:1.5em\">Collaborate with data science to define monetization success metrics, run experiments, and analyze outcomes.</p></li><li><p style=\"min-height:1.5em\">Work with backends to design scalable, reliable systems for payments, entitlements, and transactions.</p></li><li><p style=\"min-height:1.5em\">Maintain a high bar for UI/UX polish, performance, and privacy in sensitive user flows.</p></li><li><p style=\"min-height:1.5em\">Help shape the company’s approach to monetization experimentation, including frameworks for A/B testing and iteration velocity.</p><p style=\"min-height:1.5em\"></p></li></ul><h2><strong>Who you are</strong></h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Experience in consumer products with monetization, IAP, or subscription flows.</p></li><li><p style=\"min-height:1.5em\">Deep understanding of Typescript, React, React Native, Tailwind, HTML, and modern front-end best practices.</p></li><li><p style=\"min-height:1.5em\">Comfortable contributing to backend services, ideally with Python or Golang, especially for payments or commerce systems.</p></li><li><p style=\"min-height:1.5em\">Demonstrated experience shipping user-facing features that drove measurable monetization or engagement outcomes.</p></li><li><p style=\"min-height:1.5em\">Proven ability to thrive in a fast-paced environment, balancing iteration speed with quality and reliability.</p></li><li><p style=\"min-height:1.5em\">Excellent communication and collaboration skills across engineering, product, design, and data.</p><p style=\"min-height:1.5em\"></p></li></ul><h2><strong>Nice to Have</strong></h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Background in gaming, virtual currencies, or digital goods ecosystems.</p></li><li><p style=\"min-height:1.5em\">Prior experience with payment processors, subscription platforms, or marketplace ecosystems.</p></li><li><p style=\"min-height:1.5em\">Passion for user psychology, reward systems, and designing engaging monetization loops.</p></li><li><p style=\"min-height:1.5em\">Exposure to startup or zero-to-one product development environments.</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"ABOUT THE ROLE\n\nWe are scaling personalized AI to billions of users and monetization is at the core of making this vision sustainable. Our monetization team is reimagining how users interact with virtual currency, subscriptions, and premium features in ways that feel intuitive, rewarding, and fun. We’re looking for a product engineer who thrives at the intersection of core product, commerce, and user experience—someone excited to design and build systems that not only drive revenue but also enhance user delight.\n\nIf you have experience with subscriptions, ads, virtual economies, or in-app purchase flows, and care deeply about building high-quality user experiences we’d love to work with you.\n\n\n\n\nWHAT YOU’LL DO\n\n - Build and optimize user-facing features across mobile and web that power payments, subscriptions, and in-app purchase flows.\n\n - Design and experiment with monetization surfaces, from virtual currency systems to premium upsells to advertising.\n\n - Partner closely with design and product to create delightful, performant, and trustworthy purchase experiences.\n\n - Collaborate with data science to define monetization success metrics, run experiments, and analyze outcomes.\n\n - Work with backends to design scalable, reliable systems for payments, entitlements, and transactions.\n\n - Maintain a high bar for UI/UX polish, performance, and privacy in sensitive user flows.\n\n - Help shape the company’s approach to monetization experimentation, including frameworks for A/B testing and iteration velocity.\n   \n   \n\n\nWHO YOU ARE\n\n - Experience in consumer products with monetization, IAP, or subscription flows.\n\n - Deep understanding of Typescript, React, React Native, Tailwind, HTML, and modern front-end best practices.\n\n - Comfortable contributing to backend services, ideally with Python or Golang, especially for payments or commerce systems.\n\n - Demonstrated experience shipping user-facing features that drove measurable monetization or engagement outcomes.\n\n - Proven ability to thrive in a fast-paced environment, balancing iteration speed with quality and reliability.\n\n - Excellent communication and collaboration skills across engineering, product, design, and data.\n   \n   \n\n\nNICE TO HAVE\n\n - Background in gaming, virtual currencies, or digital goods ecosystems.\n\n - Prior experience with payment processors, subscription platforms, or marketplace ecosystems.\n\n - Passion for user psychology, reward systems, and designing engaging monetization loops.\n\n - Exposure to startup or zero-to-one product development environments.\n\n\n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."},{"id":"690f5ec2-2d7b-4c28-9b4d-d710e7225851","title":"Software Engineer, Backend/Applied ML (Safety & Integrity)","department":"Technical Staff - Engineering","team":"Technical Staff - Engineering","employmentType":"FullTime","location":"Redwood City, CA","secondaryLocations":[],"publishedAt":"2026-01-07T16:24:25.522+00:00","isListed":true,"isRemote":true,"workplaceType":"Hybrid","address":{"postalAddress":{"addressRegion":"California","addressCountry":"United States","addressLocality":"Redwood City"}},"jobUrl":"https://jobs.ashbyhq.com/character/690f5ec2-2d7b-4c28-9b4d-d710e7225851","applyUrl":"https://jobs.ashbyhq.com/character/690f5ec2-2d7b-4c28-9b4d-d710e7225851/application","descriptionHtml":"<h2><strong>About the role</strong></h2><p style=\"min-height:1.5em\">We’re looking for a talented and creative Software Engineer to join our Safety Engineering team at <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\">Character.AI</a>! In this role, you will be at the forefront of designing, developing, and scaling robust backend systems and leveraging applied machine learning to tackle critical integrity and safety challenges. You will be architecting and implementing innovative solutions in a key role in addressing the unique safety challenges that come with human-to-AI interaction—bringing your technical expertise to the table as we define industry best practices in this emerging space. This is a high-impact role where you will provide technical leadership, drive innovation, and contribute to the core of our platform's trustworthiness.<br /></p><h2><strong>What you'll do</strong></h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\"><strong>Architect &amp; Build:</strong> Design, develop, and maintain highly scalable, resilient, and performant backend systems that power our integrity and safety features.</p></li><li><p style=\"min-height:1.5em\"><strong>Lead Complex Solutions:</strong> Lead the technical design and implementation of sophisticated backend solutions for detecting, preventing, and mitigating a wide array of integrity risks. This includes traditional issues (e.g., content classification, spam, etc.) as well as emerging threats related to Generative AI (e.g., misuse of generative models, generation of harmful or biased content, etc).</p></li><li><p style=\"min-height:1.5em\"><strong>Apply Machine Learning:</strong> Conceptualize, develop, deploy, and iterate on machine learning models and algorithms to address complex integrity challenges. This includes areas like content classification (including AI-generated content), anomaly detection, risk scoring, behavior analysis, and developing safeguards for Generative AI systems (e.g., robust content filtering, bias mitigation techniques, and output monitoring).</p></li><li><p style=\"min-height:1.5em\"><strong>Cross-Functional Collaboration:</strong> Work closely with product managers, data scientists, AI researchers, security teams, and operations to define requirements, design innovative solutions, and deliver impactful integrity systems, especially for Generative AI products.</p></li><li><p style=\"min-height:1.5em\"><strong>Technical Strategy &amp; Roadmap:</strong> Drive the long-term technical vision and roadmap for backend integrity systems and applied ML capabilities, with a keen eye on addressing Generative AI safety concerns with an alignment with company objectives.</p></li><li><p style=\"min-height:1.5em\"><strong>Mentorship &amp; Leadership:</strong> Provide technical guidance and mentorship to other engineers on the team and across the organization, fostering a culture of engineering excellence.</p></li><li><p style=\"min-height:1.5em\"><strong>Champion Best Practices:</strong> Advocate for and implement best practices in software engineering, distributed systems design, data engineering, and the full lifecycle of ML model development, including specific considerations for the safety and ethics of Generative AI.</p></li><li><p style=\"min-height:1.5em\"><strong>System Optimization:</strong> Continuously analyze and improve the performance, scalability, reliability, and cost-effectiveness of existing integrity platforms and ML models.</p></li><li><p style=\"min-height:1.5em\"><strong>Stay Current:</strong> Keep abreast of emerging threats, new technologies, and advancements in backend engineering, distributed systems, the application of machine learning to trust and safety, and the evolving landscape of Generative AI safety research and mitigation techniques.<br /></p></li></ul><h2><strong>Who you are</strong></h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">8+ years of professional software engineering experience, with a strong emphasis on backend systems development.</p></li><li><p style=\"min-height:1.5em\">Bachelor's, Master's, or PhD degree in Computer Science, Engineering, or a related technical field.</p></li><li><p style=\"min-height:1.5em\">Proven track record of designing, building, and operating complex, large-scale, and highly available distributed systems.</p></li><li><p style=\"min-height:1.5em\">Expertise in one or more backend programming languages such as Python, Go, Java, or C++.</p></li><li><p style=\"min-height:1.5em\">Hands-on experience in applying machine learning techniques to solve real-world problems, specifically with demonstrable experience in addressing integrity, trust, or safety challenges.</p></li><li><p style=\"min-height:1.5em\">Solid understanding of the machine learning lifecycle, including data gathering and cleaning, feature engineering, model selection, training, validation, A/B testing, deployment, and operational monitoring.</p></li><li><p style=\"min-height:1.5em\">Exceptional problem-solving abilities, with a knack for tackling ambiguous and technically challenging problems.</p></li><li><p style=\"min-height:1.5em\">Proven ability to work in a fast-paced development environment and deliver timely results.</p></li><li><p style=\"min-height:1.5em\">Strong communication, interpersonal, and leadership skills, with the ability to articulate complex technical concepts to diverse audiences.<br /></p></li></ul><p style=\"min-height:1.5em\"><strong>You will be a great fit if:</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">You care deeply about Trust &amp; Safety and see it as a value-add to the business </p></li><li><p style=\"min-height:1.5em\">Prior experience in a dedicated Trust &amp; Safety, Integrity, or Risk engineering team.</p></li><li><p style=\"min-height:1.5em\">Contributions to open-source projects or publications in relevant fields.</p></li><li><p style=\"min-height:1.5em\">Experience leading large, cross-cutting technical projects.</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"ABOUT THE ROLE\n\nWe’re looking for a talented and creative Software Engineer to join our Safety Engineering team at Character.AI http://Character.AI! In this role, you will be at the forefront of designing, developing, and scaling robust backend systems and leveraging applied machine learning to tackle critical integrity and safety challenges. You will be architecting and implementing innovative solutions in a key role in addressing the unique safety challenges that come with human-to-AI interaction—bringing your technical expertise to the table as we define industry best practices in this emerging space. This is a high-impact role where you will provide technical leadership, drive innovation, and contribute to the core of our platform's trustworthiness.\n\n\n\nWHAT YOU'LL DO\n\n - Architect & Build: Design, develop, and maintain highly scalable, resilient, and performant backend systems that power our integrity and safety features.\n\n - Lead Complex Solutions: Lead the technical design and implementation of sophisticated backend solutions for detecting, preventing, and mitigating a wide array of integrity risks. This includes traditional issues (e.g., content classification, spam, etc.) as well as emerging threats related to Generative AI (e.g., misuse of generative models, generation of harmful or biased content, etc).\n\n - Apply Machine Learning: Conceptualize, develop, deploy, and iterate on machine learning models and algorithms to address complex integrity challenges. This includes areas like content classification (including AI-generated content), anomaly detection, risk scoring, behavior analysis, and developing safeguards for Generative AI systems (e.g., robust content filtering, bias mitigation techniques, and output monitoring).\n\n - Cross-Functional Collaboration: Work closely with product managers, data scientists, AI researchers, security teams, and operations to define requirements, design innovative solutions, and deliver impactful integrity systems, especially for Generative AI products.\n\n - Technical Strategy & Roadmap: Drive the long-term technical vision and roadmap for backend integrity systems and applied ML capabilities, with a keen eye on addressing Generative AI safety concerns with an alignment with company objectives.\n\n - Mentorship & Leadership: Provide technical guidance and mentorship to other engineers on the team and across the organization, fostering a culture of engineering excellence.\n\n - Champion Best Practices: Advocate for and implement best practices in software engineering, distributed systems design, data engineering, and the full lifecycle of ML model development, including specific considerations for the safety and ethics of Generative AI.\n\n - System Optimization: Continuously analyze and improve the performance, scalability, reliability, and cost-effectiveness of existing integrity platforms and ML models.\n\n - Stay Current: Keep abreast of emerging threats, new technologies, and advancements in backend engineering, distributed systems, the application of machine learning to trust and safety, and the evolving landscape of Generative AI safety research and mitigation techniques.\n   \n\n\nWHO YOU ARE\n\n - 8+ years of professional software engineering experience, with a strong emphasis on backend systems development.\n\n - Bachelor's, Master's, or PhD degree in Computer Science, Engineering, or a related technical field.\n\n - Proven track record of designing, building, and operating complex, large-scale, and highly available distributed systems.\n\n - Expertise in one or more backend programming languages such as Python, Go, Java, or C++.\n\n - Hands-on experience in applying machine learning techniques to solve real-world problems, specifically with demonstrable experience in addressing integrity, trust, or safety challenges.\n\n - Solid understanding of the machine learning lifecycle, including data gathering and cleaning, feature engineering, model selection, training, validation, A/B testing, deployment, and operational monitoring.\n\n - Exceptional problem-solving abilities, with a knack for tackling ambiguous and technically challenging problems.\n\n - Proven ability to work in a fast-paced development environment and deliver timely results.\n\n - Strong communication, interpersonal, and leadership skills, with the ability to articulate complex technical concepts to diverse audiences.\n   \n\nYou will be a great fit if:\n\n - You care deeply about Trust & Safety and see it as a value-add to the business \n\n - Prior experience in a dedicated Trust & Safety, Integrity, or Risk engineering team.\n\n - Contributions to open-source projects or publications in relevant fields.\n\n - Experience leading large, cross-cutting technical projects.\n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."},{"id":"cab23a8b-97ba-4b20-a8e3-f7d9a61e13f4","title":"Principal Research Engineer, Post-Training","department":"Technical Staff - ML","team":"Technical Staff - ML","employmentType":"FullTime","location":"Redwood City, CA","secondaryLocations":[],"publishedAt":"2026-06-22T12:36:20.245+00:00","isListed":true,"isRemote":null,"workplaceType":null,"address":{"postalAddress":{"addressRegion":"California","addressCountry":"United States","addressLocality":"Redwood City"}},"jobUrl":"https://jobs.ashbyhq.com/character/cab23a8b-97ba-4b20-a8e3-f7d9a61e13f4","applyUrl":"https://jobs.ashbyhq.com/character/cab23a8b-97ba-4b20-a8e3-f7d9a61e13f4/application","descriptionHtml":"<p style=\"min-height:1.5em\"><strong>About the Role and Team</strong> As a Principal Research Engineer on the Post-Training team, you will drive the technical vision, execution, and evolution of the systems that transform foundation models into intelligent, engaging, and aligned products.  Specifically, your team focuses on post-training of top-tier OSS LLMs (such as Mistral and Qwen) to power the highly immersive role-playing chat features of <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a>.</p><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\">You will lead initiatives spanning data, algorithms, infrastructure, and evaluation, helping define how our models learn from feedback and improve over time. This is a highly cross-functional role that combines deep technical expertise with organizational leadership. You will partner closely with researchers, engineers, product teams, and infrastructure teams to identify the highest-leverage opportunities for improving model performance and user experience. Your work will directly shape the conversational experiences of millions of users every day. At <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\">Character.AI</a>, you will have the opportunity to influence both the direction of our research and the systems that bring it into production, helping build the next generation of AI entertainment.</p><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"><strong>What You'll Do</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\"><strong>Technical Leadership &amp; Mentorship:</strong> Define and drive the technical roadmap for mid- and post-training systems, balancing research innovation with production reliability and scalability. You will mentor and grow a team of researchers and engineers through technical guidance, design reviews, and career development. Establish best practices for experimentation, model development, and deployment.</p></li><li><p style=\"min-height:1.5em\"><strong>Research &amp; Model Development:</strong> Lead the development of alignment algorithms, optimization techniques, and training objectives to improve model capabilities and data efficiency. Drive advances in mid- and post-training methodologies including reinforcement learning, preference optimization, supervised fine-tuning, and emerging alignment approaches. Identify and execute high-impact research opportunities that improve model behavior, safety, and user engagement. Develop robust evaluation frameworks and quality signals to measure real-world model performance.</p></li><li><p style=\"min-height:1.5em\"><strong>Systems &amp; Infrastructure:</strong> Lead the design of efficient training and inference systems for large-scale generative models. Architect scalable data pipelines that transform diverse data sources into high-quality training datasets. Partner with infrastructure teams to optimize distributed training, GPU utilization, and serving efficiency. Drive improvements in experimentation platforms, data quality systems, and model observability.</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"><strong>Who You Are (Required Qualifications)</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">PhD in Computer Science, Machine Learning, AI, or a related field, or equivalent industry experience.</p></li><li><p style=\"min-height:1.5em\">Significant experience leading technical projects or teams in machine learning, AI research, or large-scale distributed systems. Experience scaling and mentoring high-performing research and engineering teams.</p></li><li><p style=\"min-height:1.5em\">Deep understanding of modern machine learning techniques, including transformers, reinforcement learning, alignment methods, and large language models.</p></li><li><p style=\"min-height:1.5em\">Strong track record of delivering impactful research or applied ML systems in production environments.</p></li><li><p style=\"min-height:1.5em\">Expertise in designing, building, and maintaining production-quality ML systems and infrastructure.</p></li><li><p style=\"min-height:1.5em\">Experience training, serving, debugging, and optimizing large-scale models on GPU-based systems.</p></li><li><p style=\"min-height:1.5em\">Experience leading teams working on large language model training, mid-training, or post-training.</p></li><li><p style=\"min-height:1.5em\">Experience with product experimentation, online evaluation, and A/B testing frameworks.</p></li><li><p style=\"min-height:1.5em\">Strong software engineering skills with the ability to write clean, maintainable, and scalable code.</p></li><li><p style=\"min-height:1.5em\">Excellent communication skills and the ability to influence technical direction across teams. Lead complex, cross-functional initiatives across data, training infrastructure, evaluation, and model serving.</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"><strong>Nice to Have</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Hands-on experience working directly with open-source models like Mistral and Qwen, particularly adapting them via mid- and post-training for specific personas, creative writing, or role-playing applications.</p></li><li><p style=\"min-height:1.5em\">Familiarity with cloud-native ML infrastructure, including Kubernetes, Docker, and modern orchestration platforms.</p></li><li><p style=\"min-height:1.5em\">Publications in leading machine learning conferences or demonstrated contributions to the broader AI community.</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"About the Role and Team As a Principal Research Engineer on the Post-Training team, you will drive the technical vision, execution, and evolution of the systems that transform foundation models into intelligent, engaging, and aligned products. Specifically, your team focuses on post-training of top-tier OSS LLMs (such as Mistral and Qwen) to power the highly immersive role-playing chat features of Character.AI http://Character.AI.\n\n\n\nYou will lead initiatives spanning data, algorithms, infrastructure, and evaluation, helping define how our models learn from feedback and improve over time. This is a highly cross-functional role that combines deep technical expertise with organizational leadership. You will partner closely with researchers, engineers, product teams, and infrastructure teams to identify the highest-leverage opportunities for improving model performance and user experience. Your work will directly shape the conversational experiences of millions of users every day. At Character.AI http://Character.AI, you will have the opportunity to influence both the direction of our research and the systems that bring it into production, helping build the next generation of AI entertainment.\n\n\n\nWhat You'll Do\n\n - Technical Leadership & Mentorship: Define and drive the technical roadmap for mid- and post-training systems, balancing research innovation with production reliability and scalability. You will mentor and grow a team of researchers and engineers through technical guidance, design reviews, and career development. Establish best practices for experimentation, model development, and deployment.\n\n - Research & Model Development: Lead the development of alignment algorithms, optimization techniques, and training objectives to improve model capabilities and data efficiency. Drive advances in mid- and post-training methodologies including reinforcement learning, preference optimization, supervised fine-tuning, and emerging alignment approaches. Identify and execute high-impact research opportunities that improve model behavior, safety, and user engagement. Develop robust evaluation frameworks and quality signals to measure real-world model performance.\n\n - Systems & Infrastructure: Lead the design of efficient training and inference systems for large-scale generative models. Architect scalable data pipelines that transform diverse data sources into high-quality training datasets. Partner with infrastructure teams to optimize distributed training, GPU utilization, and serving efficiency. Drive improvements in experimentation platforms, data quality systems, and model observability.\n\n\n\nWho You Are (Required Qualifications)\n\n - PhD in Computer Science, Machine Learning, AI, or a related field, or equivalent industry experience.\n\n - Significant experience leading technical projects or teams in machine learning, AI research, or large-scale distributed systems. Experience scaling and mentoring high-performing research and engineering teams.\n\n - Deep understanding of modern machine learning techniques, including transformers, reinforcement learning, alignment methods, and large language models.\n\n - Strong track record of delivering impactful research or applied ML systems in production environments.\n\n - Expertise in designing, building, and maintaining production-quality ML systems and infrastructure.\n\n - Experience training, serving, debugging, and optimizing large-scale models on GPU-based systems.\n\n - Experience leading teams working on large language model training, mid-training, or post-training.\n\n - Experience with product experimentation, online evaluation, and A/B testing frameworks.\n\n - Strong software engineering skills with the ability to write clean, maintainable, and scalable code.\n\n - Excellent communication skills and the ability to influence technical direction across teams. Lead complex, cross-functional initiatives across data, training infrastructure, evaluation, and model serving.\n\n\n\nNice to Have\n\n - Hands-on experience working directly with open-source models like Mistral and Qwen, particularly adapting them via mid- and post-training for specific personas, creative writing, or role-playing applications.\n\n - Familiarity with cloud-native ML infrastructure, including Kubernetes, Docker, and modern orchestration platforms.\n\n - Publications in leading machine learning conferences or demonstrated contributions to the broader AI community.\n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."},{"id":"a7ddb640-466f-4a1f-9a94-7465006aad05","title":"Research Engineer, AI Safety & Alignment","department":"Technical Staff - ML","team":"Technical Staff - ML","employmentType":"FullTime","location":"Redwood City, CA","secondaryLocations":[],"publishedAt":"2025-10-03T21:34:52.320+00:00","isListed":true,"isRemote":true,"workplaceType":"Hybrid","address":{"postalAddress":{"addressRegion":"California","addressCountry":"United States","addressLocality":"Redwood City"}},"jobUrl":"https://jobs.ashbyhq.com/character/a7ddb640-466f-4a1f-9a94-7465006aad05","applyUrl":"https://jobs.ashbyhq.com/character/a7ddb640-466f-4a1f-9a94-7465006aad05/application","descriptionHtml":"<h3><strong>About the role and team</strong></h3><p style=\"min-height:1.5em\">Joining us as a Research Engineer, you'll be at the forefront of tackling one of the most critical challenges in AI today: safety and alignment. Your work will be pivotal in understanding and mitigating the risks of advanced AI, conducting foundational research to make our models safer, and solving the core technical problems of <strong>AI alignment</strong>—ensuring our models behave in accordance with human values and intentions.</p><p style=\"min-height:1.5em\">The Safety team is dedicated to pioneering and implementing techniques that make our models more robust, honest, and harmless. As a Research Engineer, you will bridge the gap between theoretical research and practical application, writing high-quality code to test hypotheses and integrating successful safety solutions directly into our products. Your research will not only protect millions of users but also contribute to the broader scientific community's understanding of how to build safe, beneficial AI.</p><p style=\"min-height:1.5em\"></p><h3><strong>What you'll do</strong></h3><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Develop and implement novel evaluation methodologies and metrics to assess the safety and alignment of large language models.</p></li><li><p style=\"min-height:1.5em\">Research and develop cutting-edge techniques for model alignment, value learning, and interpretability.</p></li><li><p style=\"min-height:1.5em\">Conduct adversarial testing to proactively uncover potential vulnerabilities and failure modes in our models.</p></li><li><p style=\"min-height:1.5em\">Analyze and mitigate biases, toxicity, and other harmful behaviors in large language models through techniques like reinforcement learning from human feedback (RLHF) and fine-tuning.</p></li><li><p style=\"min-height:1.5em\">Collaborate with engineering and product teams to translate safety research into practical, scalable solutions and best practices.</p></li><li><p style=\"min-height:1.5em\">Stay abreast of the latest advancements in AI safety research and contribute to the academic community through publications and presentations.<br /></p></li></ul><h3><strong>Who you are</strong></h3><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Hold a PhD (or equivalent experience) in a relevant field such as Computer Science, Machine Learning, or a related discipline.</p></li><li><p style=\"min-height:1.5em\">Write clear and clean production-facing and training code</p></li><li><p style=\"min-height:1.5em\">Experience working with GPUs (training, serving, debugging)</p></li><li><p style=\"min-height:1.5em\">Experience with data pipelines and data infrastructure</p></li><li><p style=\"min-height:1.5em\">Strong understanding of modern machine learning techniques, particularly transformers and reinforcement learning, with a focus on their safety implications.</p></li><li><p style=\"min-height:1.5em\">Are passionate about the responsible development of AI and dedicated to solving complex safety challenges.<br /></p></li></ul><h3><strong>Nice to Have</strong></h3><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Experience with product experimentation and A/B testing</p></li><li><p style=\"min-height:1.5em\">Experience training large models in a distributed setting</p></li><li><p style=\"min-height:1.5em\">Familiarity with ML deployment and orchestration (Kubernetes, Docker, cloud)</p></li><li><p style=\"min-height:1.5em\">Experience with explainable AI (XAI) and interpretability techniques.</p></li><li><p style=\"min-height:1.5em\">Have research in <strong>AI safety, alignment, ethics</strong>, or a related area.</p></li><li><p style=\"min-height:1.5em\">Knowledge of the broader societal and ethical implications of AI, including policy and governance.</p></li><li><p style=\"min-height:1.5em\">Publications in relevant academic journals or conferences in the field of machine learning</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"ABOUT THE ROLE AND TEAM\n\nJoining us as a Research Engineer, you'll be at the forefront of tackling one of the most critical challenges in AI today: safety and alignment. Your work will be pivotal in understanding and mitigating the risks of advanced AI, conducting foundational research to make our models safer, and solving the core technical problems of AI alignment—ensuring our models behave in accordance with human values and intentions.\n\nThe Safety team is dedicated to pioneering and implementing techniques that make our models more robust, honest, and harmless. As a Research Engineer, you will bridge the gap between theoretical research and practical application, writing high-quality code to test hypotheses and integrating successful safety solutions directly into our products. Your research will not only protect millions of users but also contribute to the broader scientific community's understanding of how to build safe, beneficial AI.\n\n\n\n\nWHAT YOU'LL DO\n\n - Develop and implement novel evaluation methodologies and metrics to assess the safety and alignment of large language models.\n\n - Research and develop cutting-edge techniques for model alignment, value learning, and interpretability.\n\n - Conduct adversarial testing to proactively uncover potential vulnerabilities and failure modes in our models.\n\n - Analyze and mitigate biases, toxicity, and other harmful behaviors in large language models through techniques like reinforcement learning from human feedback (RLHF) and fine-tuning.\n\n - Collaborate with engineering and product teams to translate safety research into practical, scalable solutions and best practices.\n\n - Stay abreast of the latest advancements in AI safety research and contribute to the academic community through publications and presentations.\n   \n\n\nWHO YOU ARE\n\n - Hold a PhD (or equivalent experience) in a relevant field such as Computer Science, Machine Learning, or a related discipline.\n\n - Write clear and clean production-facing and training code\n\n - Experience working with GPUs (training, serving, debugging)\n\n - Experience with data pipelines and data infrastructure\n\n - Strong understanding of modern machine learning techniques, particularly transformers and reinforcement learning, with a focus on their safety implications.\n\n - Are passionate about the responsible development of AI and dedicated to solving complex safety challenges.\n   \n\n\nNICE TO HAVE\n\n - Experience with product experimentation and A/B testing\n\n - Experience training large models in a distributed setting\n\n - Familiarity with ML deployment and orchestration (Kubernetes, Docker, cloud)\n\n - Experience with explainable AI (XAI) and interpretability techniques.\n\n - Have research in AI safety, alignment, ethics, or a related area.\n\n - Knowledge of the broader societal and ethical implications of AI, including policy and governance.\n\n - Publications in relevant academic journals or conferences in the field of machine learning\n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."},{"id":"3cfa1472-4f6d-46fa-bd08-f6de0833a53f","title":"Software Engineer, Applied ML (Discovery, Recommendation & Search)","department":"Technical Staff - Engineering","team":"Technical Staff - Engineering","employmentType":"FullTime","location":"Redwood City, CA","secondaryLocations":[],"publishedAt":"2025-12-18T03:00:32.166+00:00","isListed":true,"isRemote":true,"workplaceType":"Hybrid","address":{"postalAddress":{"addressRegion":"California","addressCountry":"United States","addressLocality":"Redwood City"}},"jobUrl":"https://jobs.ashbyhq.com/character/3cfa1472-4f6d-46fa-bd08-f6de0833a53f","applyUrl":"https://jobs.ashbyhq.com/character/3cfa1472-4f6d-46fa-bd08-f6de0833a53f/application","descriptionHtml":"<p style=\"min-height:1.5em\"><strong>About the Role</strong></p><p style=\"min-height:1.5em\">As a Software / ML Engineer you will work cross functionally with product, data science and data platform to identify, design and implement the applied ML models and infra, ranging from the model optimization, data pipeline to model training and serving infrastructure, on one of the fastest growing native AI consumer applications on the market today. You will work on implementation of our ML backend systems to power the discovery surfaces including recommendation, ranking and search, supporting new AI generated content formats on our product while working with the team to support optimizing our existing systems.</p><p style=\"min-height:1.5em\"><strong>Requirements:</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">B.A.S. in Computer Science or equivalent experience.</p></li><li><p style=\"min-height:1.5em\">5+ years of industry experience</p></li><li><p style=\"min-height:1.5em\">Experience building/consuming RESTful and gRPC based web-services</p></li><li><p style=\"min-height:1.5em\">Experience building and managing infrastructure in a cloud environment (GCP, AWS or Azure)</p></li><li><p style=\"min-height:1.5em\">Familiar with one of the popular ML Frameworks like Pytorch, Tensorflow</p></li><li><p style=\"min-height:1.5em\">Experience writing highly performant service in a modern typed language</p></li><li><p style=\"min-height:1.5em\">Experience configuring and maintaining CI/CD pipelines and automated testing</p></li></ul><p style=\"min-height:1.5em\"><strong>Desired Experience:</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Experience with shipping intelligent features, end-to-end, and from idea to production</p></li><li><p style=\"min-height:1.5em\">Experience with understanding, designing or implementing a full pipeline from data ingestion to model training.</p></li><li><p style=\"min-height:1.5em\">Experience with production AI/ML systems and services including optimizing GPU/TPU deployments</p></li><li><p style=\"min-height:1.5em\">Experience working with vector databases or other feature storage</p></li></ul><p style=\"min-height:1.5em\">You will be a good fit if you are proactive and have a “get things done” mindset. Given our current pace of growth and load on our systems, most people have had a significant impact during their first week at the company.</p><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"About the Role\n\nAs a Software / ML Engineer you will work cross functionally with product, data science and data platform to identify, design and implement the applied ML models and infra, ranging from the model optimization, data pipeline to model training and serving infrastructure, on one of the fastest growing native AI consumer applications on the market today. You will work on implementation of our ML backend systems to power the discovery surfaces including recommendation, ranking and search, supporting new AI generated content formats on our product while working with the team to support optimizing our existing systems.\n\nRequirements:\n\n - B.A.S. in Computer Science or equivalent experience.\n\n - 5+ years of industry experience\n\n - Experience building/consuming RESTful and gRPC based web-services\n\n - Experience building and managing infrastructure in a cloud environment (GCP, AWS or Azure)\n\n - Familiar with one of the popular ML Frameworks like Pytorch, Tensorflow\n\n - Experience writing highly performant service in a modern typed language\n\n - Experience configuring and maintaining CI/CD pipelines and automated testing\n\nDesired Experience:\n\n - Experience with shipping intelligent features, end-to-end, and from idea to production\n\n - Experience with understanding, designing or implementing a full pipeline from data ingestion to model training.\n\n - Experience with production AI/ML systems and services including optimizing GPU/TPU deployments\n\n - Experience working with vector databases or other feature storage\n\nYou will be a good fit if you are proactive and have a “get things done” mindset. Given our current pace of growth and load on our systems, most people have had a significant impact during their first week at the company.\n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."},{"id":"df95a7a5-87ca-4f51-85fd-4bb595a47a55","title":"Staff Data Scientist, Monetization","department":"Product","team":"Product","employmentType":"FullTime","location":"Redwood City, CA","secondaryLocations":[{"location":"New York, NY","address":{"postalAddress":{"addressRegion":"New York","addressCountry":"United States","addressLocality":"New York"}}}],"publishedAt":"2026-04-30T17:45:28.891+00:00","isListed":true,"isRemote":true,"workplaceType":"Hybrid","address":{"postalAddress":{"addressRegion":"California","addressCountry":"United States","addressLocality":"Redwood City"}},"jobUrl":"https://jobs.ashbyhq.com/character/df95a7a5-87ca-4f51-85fd-4bb595a47a55","applyUrl":"https://jobs.ashbyhq.com/character/df95a7a5-87ca-4f51-85fd-4bb595a47a55/application","descriptionHtml":"<h1><strong>About the Role:</strong></h1><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\">Character.AI</a> is building the future of open-ended interactions between people and intelligent agents. As our platform scales, so does the opportunity to build sustainable, user-aligned monetization through subscriptions, advertising, and virtual currency economies.</p><p style=\"min-height:1.5em\">We are seeking a Staff Data Scientist to partner closely with product, engineering, and growth teams to scale and optimize <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\">Character.AI</a>’s monetization systems. This role focuses on enabling teams to design, launch, and iterate on data-informed, user-centric monetization experiences, while shaping how we measure, experiment with, and grow revenue without compromising the creativity and openness that define <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\">Character.AI</a>.</p><p style=\"min-height:1.5em\"></p><h1><strong>What you’ll do:</strong></h1><p style=\"min-height:1.5em\">You will partner closely with product and engineering teams to drive data-informed monetization across subscriptions, advertising, and virtual currency economies. This role defines success metrics, leads experimentation, and translates complex behavioral and economic data into actionable insights, while building the data science foundations needed to support rapid product iteration and long-term growth.</p><p style=\"min-height:1.5em\"></p><h1><strong>Qualifications:</strong></h1><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">7+ years of experience as a Data Scientist working on consumer-facing products, ideally in chat, social, UGC, or entertainment platforms</p></li><li><p style=\"min-height:1.5em\">Strong intuition for identifying the right questions and quickly driving to high-impact insights</p></li><li><p style=\"min-height:1.5em\">Proven ability to turn analysis into product decisions and shipped outcomes</p></li><li><p style=\"min-height:1.5em\">Comfortable working in fast-moving, experimental environments with incomplete data</p></li><li><p style=\"min-height:1.5em\">Experience building or scaling data science practices, including experimentation, metrics, and analytics tooling</p><p style=\"min-height:1.5em\"></p></li></ul><h2><strong>You will be a good fit if you have:</strong></h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Direct experience supporting monetization systems, including:</p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Subscriptions and pricing</p></li><li><p style=\"min-height:1.5em\">Advertising or ad marketplaces</p></li><li><p style=\"min-height:1.5em\">Virtual currencies, economies, or gamified monetization</p></li></ul></li><li><p style=\"min-height:1.5em\">Background in consumer B2C products and/or B2B marketplaces</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"ABOUT THE ROLE:\n\nCharacter.AI http://Character.AI is building the future of open-ended interactions between people and intelligent agents. As our platform scales, so does the opportunity to build sustainable, user-aligned monetization through subscriptions, advertising, and virtual currency economies.\n\nWe are seeking a Staff Data Scientist to partner closely with product, engineering, and growth teams to scale and optimize Character.AI http://Character.AI’s monetization systems. This role focuses on enabling teams to design, launch, and iterate on data-informed, user-centric monetization experiences, while shaping how we measure, experiment with, and grow revenue without compromising the creativity and openness that define Character.AI http://Character.AI.\n\n\n\n\nWHAT YOU’LL DO:\n\nYou will partner closely with product and engineering teams to drive data-informed monetization across subscriptions, advertising, and virtual currency economies. This role defines success metrics, leads experimentation, and translates complex behavioral and economic data into actionable insights, while building the data science foundations needed to support rapid product iteration and long-term growth.\n\n\n\n\nQUALIFICATIONS:\n\n - 7+ years of experience as a Data Scientist working on consumer-facing products, ideally in chat, social, UGC, or entertainment platforms\n\n - Strong intuition for identifying the right questions and quickly driving to high-impact insights\n\n - Proven ability to turn analysis into product decisions and shipped outcomes\n\n - Comfortable working in fast-moving, experimental environments with incomplete data\n\n - Experience building or scaling data science practices, including experimentation, metrics, and analytics tooling\n   \n   \n\n\nYOU WILL BE A GOOD FIT IF YOU HAVE:\n\n - Direct experience supporting monetization systems, including:\n   \n   - Subscriptions and pricing\n   \n   - Advertising or ad marketplaces\n   \n   - Virtual currencies, economies, or gamified monetization\n\n - Background in consumer B2C products and/or B2B marketplaces\n\n\n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."},{"id":"d5a38f47-cd16-4e10-818d-45a4f845b529","title":"Research Engineer, Multimodal","department":"Technical Staff - ML","team":"Technical Staff - ML","employmentType":"FullTime","location":"Redwood City, CA","secondaryLocations":[],"publishedAt":"2026-03-06T01:23:26.643+00:00","isListed":true,"isRemote":true,"workplaceType":"Hybrid","address":{"postalAddress":{"addressRegion":"California","addressCountry":"United States","addressLocality":"Redwood City"}},"jobUrl":"https://jobs.ashbyhq.com/character/d5a38f47-cd16-4e10-818d-45a4f845b529","applyUrl":"https://jobs.ashbyhq.com/character/d5a38f47-cd16-4e10-818d-45a4f845b529/application","descriptionHtml":"<h2><strong>About the Role and Team</strong></h2><p style=\"min-height:1.5em\">Joining us as a Research Engineer on the Multimodal team, you'll be at the forefront of building and advancing video and image generation models that bring AI characters to life in entirely new ways. Your work will directly shape how millions of users experience rich, expressive, and visually compelling AI interactions every day.</p><p style=\"min-height:1.5em\">The Multimodal team is responsible for training, fine-tuning, and deploying cutting-edge image, audio and video generation models that power <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\">Character.AI</a>'s visual experiences. We work across the full model lifecycle — from data pipelines and training to deployment and product integration.</p><p style=\"min-height:1.5em\">As a Multimodal Research Engineer, you will own and advance our video model training efforts, including joint audio-visual generation and image-to-video. You will collaborate across research, product, and infrastructure to push the boundaries of what AI-generated visuals can look and feel like at scale.</p><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>What You'll Do</strong></h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Lead fine-tuning and continued training of video generation models, including image-to-video and joint audio-visual generation.</p></li><li><p style=\"min-height:1.5em\">Design and experiment with novel model architectures for multimodal generation, including multimodal conditioning (voice, structured text, reference images).</p></li><li><p style=\"min-height:1.5em\">Leverage techniques such as LoRA, RLHF, and full-parameter fine-tuning to improve model quality across diverse visual scenarios.</p></li><li><p style=\"min-height:1.5em\">Design and build large-scale data pipelines and automated annotation workflows to support continuous model improvement.</p></li><li><p style=\"min-height:1.5em\">Explore model compression, inference acceleration, and serving optimizations to enable efficient real-time video processing at scale.</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>Who You Are</strong></h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Strong passion for pushing the boundaries of visual AI, with a self-driven, hands-on approach to solving complex technical problems</p></li><li><p style=\"min-height:1.5em\">Proficient in PyTorch with end-to-end experience across data processing, model training, and deployment</p></li><li><p style=\"min-height:1.5em\">Solid understanding of video and image generation architectures, including diffusion models, DiT, ControlNet, and SOTA video generation models</p></li><li><p style=\"min-height:1.5em\">Experience with multimodal model training, including working with audio, vision, and language modalities together</p></li><li><p style=\"min-height:1.5em\">Experience with distributed training tools (FSDP, DeepSpeed, etc.)</p></li><li><p style=\"min-height:1.5em\">Experience with large-scale data processing, dataset construction, and automated data cleaning</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>Nice to Have</strong></h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Experience with joint audio-visual or speech-conditioned generation models</p></li><li><p style=\"min-height:1.5em\">Experience with AIGC, video effects, character animation, or asset generation products</p></li><li><p style=\"min-height:1.5em\">Familiarity with ML deployment and orchestration (Kubernetes, Slurm, Docker, cloud platforms)</p></li><li><p style=\"min-height:1.5em\">Publications in relevant venues (NeurIPS, ICLR, CVPR, ECCV, ICCV, or similar)</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"ABOUT THE ROLE AND TEAM\n\nJoining us as a Research Engineer on the Multimodal team, you'll be at the forefront of building and advancing video and image generation models that bring AI characters to life in entirely new ways. Your work will directly shape how millions of users experience rich, expressive, and visually compelling AI interactions every day.\n\nThe Multimodal team is responsible for training, fine-tuning, and deploying cutting-edge image, audio and video generation models that power Character.AI http://Character.AI's visual experiences. We work across the full model lifecycle — from data pipelines and training to deployment and product integration.\n\nAs a Multimodal Research Engineer, you will own and advance our video model training efforts, including joint audio-visual generation and image-to-video. You will collaborate across research, product, and infrastructure to push the boundaries of what AI-generated visuals can look and feel like at scale.\n\n\n\n\n\n\nWHAT YOU'LL DO\n\n - Lead fine-tuning and continued training of video generation models, including image-to-video and joint audio-visual generation.\n\n - Design and experiment with novel model architectures for multimodal generation, including multimodal conditioning (voice, structured text, reference images).\n\n - Leverage techniques such as LoRA, RLHF, and full-parameter fine-tuning to improve model quality across diverse visual scenarios.\n\n - Design and build large-scale data pipelines and automated annotation workflows to support continuous model improvement.\n\n - Explore model compression, inference acceleration, and serving optimizations to enable efficient real-time video processing at scale.\n\n\n\n\n\n\nWHO YOU ARE\n\n - Strong passion for pushing the boundaries of visual AI, with a self-driven, hands-on approach to solving complex technical problems\n\n - Proficient in PyTorch with end-to-end experience across data processing, model training, and deployment\n\n - Solid understanding of video and image generation architectures, including diffusion models, DiT, ControlNet, and SOTA video generation models\n\n - Experience with multimodal model training, including working with audio, vision, and language modalities together\n\n - Experience with distributed training tools (FSDP, DeepSpeed, etc.)\n\n - Experience with large-scale data processing, dataset construction, and automated data cleaning\n\n\n\n\n\n\nNICE TO HAVE\n\n - Experience with joint audio-visual or speech-conditioned generation models\n\n - Experience with AIGC, video effects, character animation, or asset generation products\n\n - Familiarity with ML deployment and orchestration (Kubernetes, Slurm, Docker, cloud platforms)\n\n - Publications in relevant venues (NeurIPS, ICLR, CVPR, ECCV, ICCV, or similar)\n\n\n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."},{"id":"5ae538da-6b75-4b10-9c3e-a2a500b63575","title":"Product Marketing Manager","department":"Marketing","team":"Marketing","employmentType":"FullTime","location":"Redwood City, CA","secondaryLocations":[],"publishedAt":"2026-04-14T21:08:39.550+00:00","isListed":true,"isRemote":true,"workplaceType":"Hybrid","address":{"postalAddress":{"addressRegion":"California","addressCountry":"United States","addressLocality":"Redwood City"}},"jobUrl":"https://jobs.ashbyhq.com/character/5ae538da-6b75-4b10-9c3e-a2a500b63575","applyUrl":"https://jobs.ashbyhq.com/character/5ae538da-6b75-4b10-9c3e-a2a500b63575/application","descriptionHtml":"<p style=\"min-height:1.5em\"><strong>About the Role</strong></p><p style=\"min-height:1.5em\">At <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\">Character.AI</a>, our mission is to build the future of AI entertainment, giving everyone access to personalized, engaging AI experiences. To bring that mission to the world, we need a product marketing leader who can own how we launch, how we message, and how we show up—in app stores, inside our product, and across every surface users encounter.</p><p style=\"min-height:1.5em\">As PMM, you will lead go-to-market for product launches, own ASO performance across iOS and Android, and write the in-product copy that drives conversion across our monetization surfaces. You’ll partner with Monetization PMs (who own revenue strategy, pricing, and channel P&amp;Ls) to translate their decisions into compelling user-facing messaging.</p><p style=\"min-height:1.5em\">This is Character’s first dedicated PMM hire. You’ll report to the Head of Growth Marketing and sit at the center of Product, Growth, and Creative—defining the function from the ground up.</p><p style=\"min-height:1.5em\"><strong>Responsibilities</strong></p><p style=\"min-height:1.5em\"><em><strong>Go-to-Market Strategy</strong></em></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\"><strong>Lead GTM end-to-end for product launches: </strong>positioning, messaging, launch plans, cross-functional timelines, and branded campaigns</p></li><li><p style=\"min-height:1.5em\"><strong>Own the </strong><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://c.ai\"><strong>c.ai</strong></a><strong>+ subscription promo calendar: </strong>plan and execute deals, discounts, and trial offers timed to brand moments, cultural moments, and product launches</p></li><li><p style=\"min-height:1.5em\"><strong>Conceive and execute branded campaigns </strong>that build awareness, drive trial, and reinforce Character’s brand with consumers</p></li><li><p style=\"min-height:1.5em\"><strong>Build and maintain the positioning framework: </strong>product positioning, competitive messaging, and value propositions that evolve with the product and market</p></li><li><p style=\"min-height:1.5em\"><strong>Monitor the competitive landscape: </strong>track competitor positioning, pricing, and marketing to inform messaging and differentiation</p></li><li><p style=\"min-height:1.5em\"><strong>Define success metrics for every launch </strong>and build repeatable playbooks from learnings</p></li></ul><p style=\"min-height:1.5em\"><em><strong>App Store Optimization (ASO)</strong></em></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\"><strong>Own app store listing performance </strong>across iOS and Android: keyword strategy, metadata optimization, conversion rate optimization, and ranking tracking</p></li><li><p style=\"min-height:1.5em\"><strong>Lead creative collaboration with the design team </strong>to ensure screenshots, preview videos, and descriptions are high-converting and brand-aligned</p></li><li><p style=\"min-height:1.5em\"><strong>Own app store promo submissions and execution: </strong>feature nominations and promotional placements with Apple and Google, aligned with the GTM and subscription promo calendars</p></li><li><p style=\"min-height:1.5em\"><strong>Own custom product page (CPP) strategy and execution: </strong>build, test, and iterate on tailored store experiences for different audiences, campaigns, and channels</p></li><li><p style=\"min-height:1.5em\"><strong>Own ASO localization </strong>across international markets: localized keywords, metadata, screenshots, and descriptions</p></li><li><p style=\"min-height:1.5em\"><strong>Set ratings &amp; reviews strategy: </strong>define the approach for review solicitation and sentiment monitoring; partner with support to execute</p></li><li><p style=\"min-height:1.5em\"><strong>Report on ASO performance: </strong>impression-to-install conversion, keyword rankings, CPP performance, and promo impact</p></li></ul><p style=\"min-height:1.5em\"><em><strong>In-Product Monetization Copy</strong></em></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\"><strong>Write and own conversion copy across monetization surfaces: </strong>subscription upsells, paywall modals, upgrade prompts, pricing pages, and free-to-paid nudges—hands on keyboard</p></li><li><p style=\"min-height:1.5em\"><strong>Craft the narrative arc of the free-to-paid journey: </strong>ensure every touchpoint reinforces the value of Character+ and moves users toward conversion</p></li><li><p style=\"min-height:1.5em\"><strong>Partner with Monetization PMs</strong> to translate their decisions into compelling user-facing messaging</p></li><li><p style=\"min-height:1.5em\"><strong>Run and interpret A/B tests </strong>on in-product copy to improve upgrade rates, reduce churn, and optimize conversion</p></li><li><p style=\"min-height:1.5em\"><strong>Maintain a copy system for monetization surfaces: </strong>a library of tested headlines, CTAs, and value prop messaging the team can draw from and iterate on</p></li></ul><p style=\"min-height:1.5em\"><strong>Requirements</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\"><strong>5–8+ years of product marketing experience </strong>at a high-growth consumer tech, AI, or subscription-based company</p></li><li><p style=\"min-height:1.5em\"><strong>Proven track record of leading product launches and branded campaigns </strong>that drove measurable adoption, engagement, or revenue</p></li><li><p style=\"min-height:1.5em\"><strong>Strong hands-on copywriter: </strong>you’ve personally written in-product copy that drives conversion—upsell flows, paywalls, pricing pages</p></li><li><p style=\"min-height:1.5em\"><strong>Deep ASO experience: </strong>you’ve owned app store listing performance, keyword strategy, and creative testing on iOS and/or Android</p></li><li><p style=\"min-height:1.5em\"><strong>Experience owning a promotional or launch calendar </strong>and coordinating cross-functional execution against it</p></li><li><p style=\"min-height:1.5em\"><strong>Exceptional storytelling skills: </strong>you can distill nuance into punchy, clear messaging across marketing and product surfaces</p></li><li><p style=\"min-height:1.5em\"><strong>Strong analytical chops: </strong>comfortable with A/B testing, funnel metrics, and using data to refine copy and positioning</p></li><li><p style=\"min-height:1.5em\"><strong>Deep cross-functional instincts: </strong>you know how to work with PMs, engineers, designers, and data scientists without a playbook</p></li><li><p style=\"min-height:1.5em\"><strong>Scrappy and self-directed—</strong>you thrive in ambiguity and move fast without waiting for permission</p></li></ul><p style=\"min-height:1.5em\"><strong>Nice to Have</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">You’ve been an early PMM hire and built the function from scratch</p></li><li><p style=\"min-height:1.5em\">Experience marketing to Gen Z or community-driven audiences</p></li><li><p style=\"min-height:1.5em\">Familiarity with AI/ML products, LLMs, or conversational AI</p></li><li><p style=\"min-height:1.5em\">Background in growth marketing, lifecycle marketing, or product-led growth</p></li><li><p style=\"min-height:1.5em\">Experience writing conversion copy for subscription or freemium products</p></li><li><p style=\"min-height:1.5em\">Experience in consumer products with large, diverse user bases (social, gaming, entertainment, or creator platforms)</p></li><li><p style=\"min-height:1.5em\">International ASO or localization experience</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"About the Role\n\nAt Character.AI http://Character.AI, our mission is to build the future of AI entertainment, giving everyone access to personalized, engaging AI experiences. To bring that mission to the world, we need a product marketing leader who can own how we launch, how we message, and how we show up—in app stores, inside our product, and across every surface users encounter.\n\nAs PMM, you will lead go-to-market for product launches, own ASO performance across iOS and Android, and write the in-product copy that drives conversion across our monetization surfaces. You’ll partner with Monetization PMs (who own revenue strategy, pricing, and channel P&Ls) to translate their decisions into compelling user-facing messaging.\n\nThis is Character’s first dedicated PMM hire. You’ll report to the Head of Growth Marketing and sit at the center of Product, Growth, and Creative—defining the function from the ground up.\n\nResponsibilities\n\nGo-to-Market Strategy\n\n - Lead GTM end-to-end for product launches: positioning, messaging, launch plans, cross-functional timelines, and branded campaigns\n\n - Own the c.ai http://c.ai+ subscription promo calendar: plan and execute deals, discounts, and trial offers timed to brand moments, cultural moments, and product launches\n\n - Conceive and execute branded campaigns that build awareness, drive trial, and reinforce Character’s brand with consumers\n\n - Build and maintain the positioning framework: product positioning, competitive messaging, and value propositions that evolve with the product and market\n\n - Monitor the competitive landscape: track competitor positioning, pricing, and marketing to inform messaging and differentiation\n\n - Define success metrics for every launch and build repeatable playbooks from learnings\n\nApp Store Optimization (ASO)\n\n - Own app store listing performance across iOS and Android: keyword strategy, metadata optimization, conversion rate optimization, and ranking tracking\n\n - Lead creative collaboration with the design team to ensure screenshots, preview videos, and descriptions are high-converting and brand-aligned\n\n - Own app store promo submissions and execution: feature nominations and promotional placements with Apple and Google, aligned with the GTM and subscription promo calendars\n\n - Own custom product page (CPP) strategy and execution: build, test, and iterate on tailored store experiences for different audiences, campaigns, and channels\n\n - Own ASO localization across international markets: localized keywords, metadata, screenshots, and descriptions\n\n - Set ratings & reviews strategy: define the approach for review solicitation and sentiment monitoring; partner with support to execute\n\n - Report on ASO performance: impression-to-install conversion, keyword rankings, CPP performance, and promo impact\n\nIn-Product Monetization Copy\n\n - Write and own conversion copy across monetization surfaces: subscription upsells, paywall modals, upgrade prompts, pricing pages, and free-to-paid nudges—hands on keyboard\n\n - Craft the narrative arc of the free-to-paid journey: ensure every touchpoint reinforces the value of Character+ and moves users toward conversion\n\n - Partner with Monetization PMs to translate their decisions into compelling user-facing messaging\n\n - Run and interpret A/B tests on in-product copy to improve upgrade rates, reduce churn, and optimize conversion\n\n - Maintain a copy system for monetization surfaces: a library of tested headlines, CTAs, and value prop messaging the team can draw from and iterate on\n\nRequirements\n\n - 5–8+ years of product marketing experience at a high-growth consumer tech, AI, or subscription-based company\n\n - Proven track record of leading product launches and branded campaigns that drove measurable adoption, engagement, or revenue\n\n - Strong hands-on copywriter: you’ve personally written in-product copy that drives conversion—upsell flows, paywalls, pricing pages\n\n - Deep ASO experience: you’ve owned app store listing performance, keyword strategy, and creative testing on iOS and/or Android\n\n - Experience owning a promotional or launch calendar and coordinating cross-functional execution against it\n\n - Exceptional storytelling skills: you can distill nuance into punchy, clear messaging across marketing and product surfaces\n\n - Strong analytical chops: comfortable with A/B testing, funnel metrics, and using data to refine copy and positioning\n\n - Deep cross-functional instincts: you know how to work with PMs, engineers, designers, and data scientists without a playbook\n\n - Scrappy and self-directed—you thrive in ambiguity and move fast without waiting for permission\n\nNice to Have\n\n - You’ve been an early PMM hire and built the function from scratch\n\n - Experience marketing to Gen Z or community-driven audiences\n\n - Familiarity with AI/ML products, LLMs, or conversational AI\n\n - Background in growth marketing, lifecycle marketing, or product-led growth\n\n - Experience writing conversion copy for subscription or freemium products\n\n - Experience in consumer products with large, diverse user bases (social, gaming, entertainment, or creator platforms)\n\n - International ASO or localization experience\n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."},{"id":"fd023b84-a746-4fe9-8a9d-277899e67a78","title":"Technical Program Manager, AI Infrastructure","department":"Safety","team":"Safety","employmentType":"FullTime","location":"Redwood City, CA","secondaryLocations":[],"publishedAt":"2026-04-20T21:56:53.002+00:00","isListed":true,"isRemote":true,"workplaceType":"Hybrid","address":{"postalAddress":{"addressRegion":"California","addressCountry":"United States","addressLocality":"Redwood City"}},"jobUrl":"https://jobs.ashbyhq.com/character/fd023b84-a746-4fe9-8a9d-277899e67a78","applyUrl":"https://jobs.ashbyhq.com/character/fd023b84-a746-4fe9-8a9d-277899e67a78/application","descriptionHtml":"<p style=\"min-height:1.5em\"><strong>About the Role<br /></strong>We’re hiring a Technical Program Manager, AI Infrastructure to lead high-impact programs that power <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\">Character.AI</a>’s model development and serving systems at scale. In this role, you’ll partner closely with engineering, research, and product teams to shape infrastructure strategy, align roadmaps, and drive end-to-end execution for critical initiatives across training, evaluation, and inference. You’ll help ensure our systems are reliable, efficient, and capable of supporting rapid iteration as we scale AI experiences to millions of users.</p><p style=\"min-height:1.5em\">This role is a good match for someone who thrives in technically complex environments, enjoys bringing structure to ambiguous problem spaces, and can drive alignment across deeply cross-functional teams. You’ll often operate at the intersection of research and production, helping teams navigate tradeoffs between speed, quality, and reliability. You should be comfortable influencing without authority, anticipating risks early, and keeping large, interdependent efforts moving forward.</p><p style=\"min-height:1.5em\"><strong>What You’ll Do</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Lead planning and execution of major AI infrastructure initiatives spanning training pipelines, data systems, model evaluation, and inference/serving</p></li><li><p style=\"min-height:1.5em\">Build structures that keep teams aligned: scopes, goals, requirements, timelines, risks, and success metrics</p></li><li><p style=\"min-height:1.5em\">Partner with engineering, research, and product to translate model and product needs into infrastructure roadmaps and priorities</p></li><li><p style=\"min-height:1.5em\">Drive cross-functional accountability and communication across teams working on tightly coupled systems</p></li><li><p style=\"min-height:1.5em\">Track key infrastructure metrics (e.g., reliability, latency, throughput, cost efficiency) and define reporting that surfaces progress and risk</p></li><li><p style=\"min-height:1.5em\">Identify bottlenecks in infrastructure workflows and lead efforts to improve tooling, automation, and developer velocity</p></li><li><p style=\"min-height:1.5em\">Support capacity planning and resource allocation to ensure infrastructure scales with model and product growth</p></li><li><p style=\"min-height:1.5em\">Develop repeatable frameworks and operational patterns that improve execution quality across infrastructure programs</p></li><li><p style=\"min-height:1.5em\">Serve as a strategic partner to leaders on prioritization, sequencing, and tradeoffs across infrastructure investments.</p></li><li><p style=\"min-height:1.5em\">Work closely with AI cloud providers and serve as the primary bridge between internal engineering teams and external partnership efforts.</p></li><li><p style=\"min-height:1.5em\">Technical understanding of GPU clusters, AI accelerator chips, and cloud providers to effectively evaluate requirements and guide infrastructure decisions.</p></li></ul><p style=\"min-height:1.5em\"><strong>What You’ll Bring</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">5–8 years of experience in program management, technical operations, or product execution in a fast-moving, technical environment</p></li><li><p style=\"min-height:1.5em\">Proven ability to lead complex, multi-team initiatives spanning engineering and infrastructure systems</p></li><li><p style=\"min-height:1.5em\">Strong communication skills with the ability to bridge technical and non-technical stakeholders</p></li><li><p style=\"min-height:1.5em\">Experience working closely with engineering teams on distributed systems, cloud infrastructure, or platform development</p></li><li><p style=\"min-height:1.5em\">Ability to break down ambiguous problem spaces into clear plans and drive alignment across teams</p></li><li><p style=\"min-height:1.5em\">Analytical mindset with experience using data to inform decisions and measure impact</p></li><li><p style=\"min-height:1.5em\">Strong ownership and execution mindset, with the ability to manage multiple priorities simultaneously</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"About the Role\nWe’re hiring a Technical Program Manager, AI Infrastructure to lead high-impact programs that power Character.AI http://Character.AI’s model development and serving systems at scale. In this role, you’ll partner closely with engineering, research, and product teams to shape infrastructure strategy, align roadmaps, and drive end-to-end execution for critical initiatives across training, evaluation, and inference. You’ll help ensure our systems are reliable, efficient, and capable of supporting rapid iteration as we scale AI experiences to millions of users.\n\nThis role is a good match for someone who thrives in technically complex environments, enjoys bringing structure to ambiguous problem spaces, and can drive alignment across deeply cross-functional teams. You’ll often operate at the intersection of research and production, helping teams navigate tradeoffs between speed, quality, and reliability. You should be comfortable influencing without authority, anticipating risks early, and keeping large, interdependent efforts moving forward.\n\nWhat You’ll Do\n\n - Lead planning and execution of major AI infrastructure initiatives spanning training pipelines, data systems, model evaluation, and inference/serving\n\n - Build structures that keep teams aligned: scopes, goals, requirements, timelines, risks, and success metrics\n\n - Partner with engineering, research, and product to translate model and product needs into infrastructure roadmaps and priorities\n\n - Drive cross-functional accountability and communication across teams working on tightly coupled systems\n\n - Track key infrastructure metrics (e.g., reliability, latency, throughput, cost efficiency) and define reporting that surfaces progress and risk\n\n - Identify bottlenecks in infrastructure workflows and lead efforts to improve tooling, automation, and developer velocity\n\n - Support capacity planning and resource allocation to ensure infrastructure scales with model and product growth\n\n - Develop repeatable frameworks and operational patterns that improve execution quality across infrastructure programs\n\n - Serve as a strategic partner to leaders on prioritization, sequencing, and tradeoffs across infrastructure investments.\n\n - Work closely with AI cloud providers and serve as the primary bridge between internal engineering teams and external partnership efforts.\n\n - Technical understanding of GPU clusters, AI accelerator chips, and cloud providers to effectively evaluate requirements and guide infrastructure decisions.\n\nWhat You’ll Bring\n\n - 5–8 years of experience in program management, technical operations, or product execution in a fast-moving, technical environment\n\n - Proven ability to lead complex, multi-team initiatives spanning engineering and infrastructure systems\n\n - Strong communication skills with the ability to bridge technical and non-technical stakeholders\n\n - Experience working closely with engineering teams on distributed systems, cloud infrastructure, or platform development\n\n - Ability to break down ambiguous problem spaces into clear plans and drive alignment across teams\n\n - Analytical mindset with experience using data to inform decisions and measure impact\n\n - Strong ownership and execution mindset, with the ability to manage multiple priorities simultaneously\n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."},{"id":"091a6ad6-75dd-4dd4-9439-7e1e9d13970b","title":"Technical Program Manager, Model Alignment and Deployment ","department":"Safety","team":"Safety","employmentType":"FullTime","location":"Redwood City, CA","secondaryLocations":[],"publishedAt":"2026-06-01T18:28:27.969+00:00","isListed":true,"isRemote":null,"workplaceType":null,"address":{"postalAddress":{"addressRegion":"California","addressCountry":"United States","addressLocality":"Redwood City"}},"jobUrl":"https://jobs.ashbyhq.com/character/091a6ad6-75dd-4dd4-9439-7e1e9d13970b","applyUrl":"https://jobs.ashbyhq.com/character/091a6ad6-75dd-4dd4-9439-7e1e9d13970b/application","descriptionHtml":"<h2>About the role</h2><p style=\"min-height:1.5em\">Model Alignment and Deployment is a critical, cross-functional effort spanning our Post-Training, Safety Engineering, Trust &amp; Safety, ML Infra/Model Serving, and User Experience Research (UXR) teams. Together, these groups are responsible for transforming powerful pretrained language models into intelligent, engaging, safely aligned, and highly scalable products—working across data, compute, algorithms, infrastructure, and user insights to improve model performance and ensure reliable delivery.</p><p style=\"min-height:1.5em\">As a Technical Program Manager, you will be the operational and programmatic backbone connecting these teams: driving clarity, structure, and execution across some of the most technically complex and high-stakes work at <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\">Character.AI</a>. This is a role for someone who thrives at the intersection of research, safety, user experience, and production. You'll partner closely with research engineers, safety experts, data scientists, infrastructure engineers, and UX researchers to turn ambitious model development goals into well-scoped, well-tracked, cross-functional programs. You will ensure that the data pipelines, evaluation frameworks, alignment workflows, and serving infrastructure underpinning our models are moving fast and moving well. You'll operate effectively in high-ambiguity environments, anticipate risks before they become blockers, and bring the kind of technical fluency needed to earn trust with researchers while communicating clearly to leadership.<br /></p><h2>What you’ll do</h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\"><strong>Program ownership:</strong> Lead planning and execution of cross-functional programs spanning data collection, annotation pipelines, alignment workflows (RLHF, DPO, Constitutional AI), safety guardrails (adversarial testing, red-teaming), and model serving. Establish scopes, goals, timelines, risks, and success metrics.</p></li><li><p style=\"min-height:1.5em\">Cross-functional coordination: Serve as the connective tissue between Post-Training, Safety Engineering, Trust &amp; Safety, ML Infra, UXR, and Product. Translate model development, safety, and user experience priorities into executable roadmaps, keeping tightly coupled workstreams aligned from post-training through to production deployment.</p></li><li><p style=\"min-height:1.5em\">Evaluation &amp; quality: Develop and maintain custom evaluation frameworks to track model performance and user satisfaction. Drive comprehensive quality evaluation initiatives alongside rigorous safety and toxicity baselines. Partner with UXR, researchers, and engineers to identify quality signals, incorporate human feedback, and surface actionable insights on model behavior in production.</p></li><li><p style=\"min-height:1.5em\">Operational excellence: Drive visibility into data pipeline health, annotation quality, training run progress, and deployment readiness. Identify bottlenecks across teams and lead efforts to improve tooling, process, and developer velocity.</p></li><li><p style=\"min-height:1.5em\">Strategic partnership: Partner with research, safety, product, and UXR leadership on prioritization, sequencing, and tradeoffs—balancing aggressive capability scaling with strict safety requirements, user needs, and infrastructure constraints.</p></li><li><p style=\"min-height:1.5em\">Process development: Build and refine the operational patterns, ontologies, and frameworks used to scale new capability development—from prompt engineering and data generation to model behavior specification and safety guidelines.</p></li><li><p style=\"min-height:1.5em\">Vendor &amp; partner management: Own external partner relationships supporting these workstreams, including general and safety-focused annotation vendors, evaluation tooling providers, and data partners.<br /></p></li></ul><h2>What you’ll bring</h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">5+ years of experience in technical program management, research operations, or product execution in a fast-moving AI, ML, or research environment.</p></li><li><p style=\"min-height:1.5em\">Deep familiarity with post-training and alignment concepts (supervised fine-tuning, RLHF, AI safety frameworks, LLM evaluation) as well as model deployment/serving, sufficient to engage substantively with both research and infrastructure engineers.</p></li><li><p style=\"min-height:1.5em\">Proven ability to lead complex, multi-team programs in ambiguous, rapidly evolving environments; track record of shipping with quality and speed.</p></li><li><p style=\"min-height:1.5em\">Strong analytical mindset; comfortable working with data and user insights to measure program health, identify trends, and drive decisions.</p></li><li><p style=\"min-height:1.5em\">Proficiency in SQL and Python.</p></li><li><p style=\"min-height:1.5em\">Exceptional communication skills - able to translate deep technical work into clear narratives for leadership, and to hold detailed technical conversations with engineers across different disciplines.</p></li><li><p style=\"min-height:1.5em\">Obsessive about data integrity, operational rigor, and process quality without letting process slow teams down.</p></li><li><p style=\"min-height:1.5em\">BS in a quantitative, scientific, or technical field; MS or PhD a plus.<br /></p></li></ul><h2>Nice to have:</h2><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Hands-on experience with data pipelines, annotation platforms, ML evaluation tooling, or human-in-the-loop workflows.</p></li><li><p style=\"min-height:1.5em\">Experience managing annotation vendors or external data partners.</p></li><li><p style=\"min-height:1.5em\">Familiarity with distributed training, experiment tracking, or ML infrastructure (Kubernetes, Docker, cloud) and model serving systems.</p></li><li><p style=\"min-height:1.5em\">Prior experience embedded in an AI research team, foundation model lab, or Trust &amp; Safety engineering team.</p></li><li><p style=\"min-height:1.5em\">Direct experience managing AI safety, trust, quality eval, or red-teaming programs.</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"ABOUT THE ROLE\n\nModel Alignment and Deployment is a critical, cross-functional effort spanning our Post-Training, Safety Engineering, Trust & Safety, ML Infra/Model Serving, and User Experience Research (UXR) teams. Together, these groups are responsible for transforming powerful pretrained language models into intelligent, engaging, safely aligned, and highly scalable products—working across data, compute, algorithms, infrastructure, and user insights to improve model performance and ensure reliable delivery.\n\nAs a Technical Program Manager, you will be the operational and programmatic backbone connecting these teams: driving clarity, structure, and execution across some of the most technically complex and high-stakes work at Character.AI http://Character.AI. This is a role for someone who thrives at the intersection of research, safety, user experience, and production. You'll partner closely with research engineers, safety experts, data scientists, infrastructure engineers, and UX researchers to turn ambitious model development goals into well-scoped, well-tracked, cross-functional programs. You will ensure that the data pipelines, evaluation frameworks, alignment workflows, and serving infrastructure underpinning our models are moving fast and moving well. You'll operate effectively in high-ambiguity environments, anticipate risks before they become blockers, and bring the kind of technical fluency needed to earn trust with researchers while communicating clearly to leadership.\n\n\n\nWHAT YOU’LL DO\n\n - Program ownership: Lead planning and execution of cross-functional programs spanning data collection, annotation pipelines, alignment workflows (RLHF, DPO, Constitutional AI), safety guardrails (adversarial testing, red-teaming), and model serving. Establish scopes, goals, timelines, risks, and success metrics.\n\n - Cross-functional coordination: Serve as the connective tissue between Post-Training, Safety Engineering, Trust & Safety, ML Infra, UXR, and Product. Translate model development, safety, and user experience priorities into executable roadmaps, keeping tightly coupled workstreams aligned from post-training through to production deployment.\n\n - Evaluation & quality: Develop and maintain custom evaluation frameworks to track model performance and user satisfaction. Drive comprehensive quality evaluation initiatives alongside rigorous safety and toxicity baselines. Partner with UXR, researchers, and engineers to identify quality signals, incorporate human feedback, and surface actionable insights on model behavior in production.\n\n - Operational excellence: Drive visibility into data pipeline health, annotation quality, training run progress, and deployment readiness. Identify bottlenecks across teams and lead efforts to improve tooling, process, and developer velocity.\n\n - Strategic partnership: Partner with research, safety, product, and UXR leadership on prioritization, sequencing, and tradeoffs—balancing aggressive capability scaling with strict safety requirements, user needs, and infrastructure constraints.\n\n - Process development: Build and refine the operational patterns, ontologies, and frameworks used to scale new capability development—from prompt engineering and data generation to model behavior specification and safety guidelines.\n\n - Vendor & partner management: Own external partner relationships supporting these workstreams, including general and safety-focused annotation vendors, evaluation tooling providers, and data partners.\n   \n\n\nWHAT YOU’LL BRING\n\n - 5+ years of experience in technical program management, research operations, or product execution in a fast-moving AI, ML, or research environment.\n\n - Deep familiarity with post-training and alignment concepts (supervised fine-tuning, RLHF, AI safety frameworks, LLM evaluation) as well as model deployment/serving, sufficient to engage substantively with both research and infrastructure engineers.\n\n - Proven ability to lead complex, multi-team programs in ambiguous, rapidly evolving environments; track record of shipping with quality and speed.\n\n - Strong analytical mindset; comfortable working with data and user insights to measure program health, identify trends, and drive decisions.\n\n - Proficiency in SQL and Python.\n\n - Exceptional communication skills - able to translate deep technical work into clear narratives for leadership, and to hold detailed technical conversations with engineers across different disciplines.\n\n - Obsessive about data integrity, operational rigor, and process quality without letting process slow teams down.\n\n - BS in a quantitative, scientific, or technical field; MS or PhD a plus.\n   \n\n\nNICE TO HAVE:\n\n - Hands-on experience with data pipelines, annotation platforms, ML evaluation tooling, or human-in-the-loop workflows.\n\n - Experience managing annotation vendors or external data partners.\n\n - Familiarity with distributed training, experiment tracking, or ML infrastructure (Kubernetes, Docker, cloud) and model serving systems.\n\n - Prior experience embedded in an AI research team, foundation model lab, or Trust & Safety engineering team.\n\n - Direct experience managing AI safety, trust, quality eval, or red-teaming programs.\n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."},{"id":"56dcfddd-ba6d-48a8-81fb-3332abb1c032","title":"Technical Product Manager, Product Experience","department":"Product","team":"Product","employmentType":"FullTime","location":"Redwood City, CA","secondaryLocations":[],"publishedAt":"2026-06-30T16:07:06.214+00:00","isListed":true,"isRemote":null,"workplaceType":null,"address":{"postalAddress":{"addressRegion":"California","addressCountry":"United States","addressLocality":"Redwood City"}},"jobUrl":"https://jobs.ashbyhq.com/character/56dcfddd-ba6d-48a8-81fb-3332abb1c032","applyUrl":"https://jobs.ashbyhq.com/character/56dcfddd-ba6d-48a8-81fb-3332abb1c032/application","descriptionHtml":"<p style=\"min-height:1.5em\">Character.AI is looking for a high-leverage, force-multiplying Technical Program Manager (TPM) to partner directly with our Chief Product Officer (CPO). In this role, you will operate across the entire product and design purview of the CPO to ensure our core development engines run seamlessly.</p><p style=\"min-height:1.5em\">This is not a traditional, rigid corporate TPM role. We are looking for someone with \"fixer energy\"—a relentless, high-agency problem-solver who possesses a founder's mindset, exceptional execution skills, and the technical weight to act as a core operational extension of the CPO. You will be the ultimate guardian of momentum: chasing down engineering bottlenecks, optimizing cross-functional roadmaps, and ensuring team velocity scales alongside our technology.</p><p style=\"min-height:1.5em\"><br /><strong>Key Responsibilities</strong></p><p style=\"min-height:1.5em\">Operational Rigor &amp; Technical Execution</p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Keep the Trains Running on Time: Own the end-to-end execution of major initiatives under the CPO's umbrella, ensuring critical product, design, and engineering milestones are hit without friction.</p></li><li><p style=\"min-height:1.5em\">Eliminate Blockers: Proactively manage cross-functional dependencies across product, design, and engineering teams. Your primary metric of success is that development is never left stalling for information or decisions.</p></li><li><p style=\"min-height:1.5em\">Drive Accountability: Attend weekly core team meetings, capture critical technical notes, synthesize action items, and relentlessly chase down owners to ensure rigorous follow-through.</p></li><li><p style=\"min-height:1.5em\">Process Evolution: Analyze how teams are currently working and design/implement lightweight, scalable processes to improve cross-functional execution across the software development life cycle (SDLC).</p></li></ul><p style=\"min-height:1.5em\">Strategic Alignment &amp; Technical Delivery</p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Product &amp; Design Sync: Build deep context on the CPO's vision and product strategy to seamlessly bridge the gap between creative design concepts and technical implementation.</p></li><li><p style=\"min-height:1.5em\">Unstructured Problem Solving: Roll up your sleeves to solve ambiguous, complex technical or operational problems that don't neatly fall into a single team's bucket.</p></li><li><p style=\"min-height:1.5em\">AI-Driven Workflows: Actively leverage AI tools (like Gemini) to optimize team workflows, ensure project knowledge is captured efficiently, and explore agentic workflows to enhance team intelligence.<br /></p></li></ul><p style=\"min-height:1.5em\"><strong>Who You Are</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Founder Energy &amp; High Agency: You possess extreme ownership. You don't wait to be told what to do—you see a gap, you fill it, and you autonomously solve problems.</p></li><li><p style=\"min-height:1.5em\">Execution Machine: You have a strong background in technical program management, product management, or an intensive technical operations role where you have successfully navigated fast-moving tech roadmaps.</p></li><li><p style=\"min-height:1.5em\">High Cognitive Agility: You can pivot from a deep-dive technical alignment with engineers to high-level roadmap prioritization with design and product leaders in the span of an hour.</p></li><li><p style=\"min-height:1.5em\">Relentless Communicator: You are crisp, direct, and excellent at synthesis. You know how to get to the point quickly and ensure information flows seamlessly across the organization.</p></li><li><p style=\"min-height:1.5em\">AI-Curious: You have a genuine fascination with artificial intelligence and are eager to experiment with cutting-edge tools to optimize operational efficiency.<br /></p></li></ul><p style=\"min-height:1.5em\"><strong>Qualifications &amp; Background</strong></p><p style=\"min-height:1.5em\">We care far more about your capability, trajectory, and \"fixer energy\" than a rigid checklist of past titles. You might be an incredible fit if you are a:</p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Technical Program Manager (TPM) or Product Manager (PM) looking for a highly impactful, executive-facing execution role. Experience enabling product/design teams to become \"AI-ready\" is a major plus.</p></li><li><p style=\"min-height:1.5em\">Former Founder who loves the early-to-mid stage tech grind but wants to focus heavily on hyper-scale execution and organizational stability.</p></li><li><p style=\"min-height:1.5em\">Management Consulting Alum (particularly from technical or digital practices) with a proven track record of intensive work, extreme attention to detail, and cross-functional influence.</p></li><li><p style=\"min-height:1.5em\">Seasoned Operational Leader—a highly capable, mature operator who brings stability, structured execution, and mentorship to a fast-growing team.</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"Character.AI is looking for a high-leverage, force-multiplying Technical Program Manager (TPM) to partner directly with our Chief Product Officer (CPO). In this role, you will operate across the entire product and design purview of the CPO to ensure our core development engines run seamlessly.\n\nThis is not a traditional, rigid corporate TPM role. We are looking for someone with \"fixer energy\"—a relentless, high-agency problem-solver who possesses a founder's mindset, exceptional execution skills, and the technical weight to act as a core operational extension of the CPO. You will be the ultimate guardian of momentum: chasing down engineering bottlenecks, optimizing cross-functional roadmaps, and ensuring team velocity scales alongside our technology.\n\n\nKey Responsibilities\n\nOperational Rigor & Technical Execution\n\n - Keep the Trains Running on Time: Own the end-to-end execution of major initiatives under the CPO's umbrella, ensuring critical product, design, and engineering milestones are hit without friction.\n\n - Eliminate Blockers: Proactively manage cross-functional dependencies across product, design, and engineering teams. Your primary metric of success is that development is never left stalling for information or decisions.\n\n - Drive Accountability: Attend weekly core team meetings, capture critical technical notes, synthesize action items, and relentlessly chase down owners to ensure rigorous follow-through.\n\n - Process Evolution: Analyze how teams are currently working and design/implement lightweight, scalable processes to improve cross-functional execution across the software development life cycle (SDLC).\n\nStrategic Alignment & Technical Delivery\n\n - Product & Design Sync: Build deep context on the CPO's vision and product strategy to seamlessly bridge the gap between creative design concepts and technical implementation.\n\n - Unstructured Problem Solving: Roll up your sleeves to solve ambiguous, complex technical or operational problems that don't neatly fall into a single team's bucket.\n\n - AI-Driven Workflows: Actively leverage AI tools (like Gemini) to optimize team workflows, ensure project knowledge is captured efficiently, and explore agentic workflows to enhance team intelligence.\n   \n\nWho You Are\n\n - Founder Energy & High Agency: You possess extreme ownership. You don't wait to be told what to do—you see a gap, you fill it, and you autonomously solve problems.\n\n - Execution Machine: You have a strong background in technical program management, product management, or an intensive technical operations role where you have successfully navigated fast-moving tech roadmaps.\n\n - High Cognitive Agility: You can pivot from a deep-dive technical alignment with engineers to high-level roadmap prioritization with design and product leaders in the span of an hour.\n\n - Relentless Communicator: You are crisp, direct, and excellent at synthesis. You know how to get to the point quickly and ensure information flows seamlessly across the organization.\n\n - AI-Curious: You have a genuine fascination with artificial intelligence and are eager to experiment with cutting-edge tools to optimize operational efficiency.\n   \n\nQualifications & Background\n\nWe care far more about your capability, trajectory, and \"fixer energy\" than a rigid checklist of past titles. You might be an incredible fit if you are a:\n\n - Technical Program Manager (TPM) or Product Manager (PM) looking for a highly impactful, executive-facing execution role. Experience enabling product/design teams to become \"AI-ready\" is a major plus.\n\n - Former Founder who loves the early-to-mid stage tech grind but wants to focus heavily on hyper-scale execution and organizational stability.\n\n - Management Consulting Alum (particularly from technical or digital practices) with a proven track record of intensive work, extreme attention to detail, and cross-functional influence.\n\n - Seasoned Operational Leader—a highly capable, mature operator who brings stability, structured execution, and mentorship to a fast-growing team.\n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."},{"id":"3d6073d4-3fd7-4f0d-ae63-d01cd6e28fa7","title":"Yield & Monetization Analyst (Contract)","department":"Marketing","team":"Marketing","employmentType":"FullTime","location":"Redwood City (or remote)","secondaryLocations":[],"publishedAt":"2026-07-06T19:45:40.551+00:00","isListed":true,"isRemote":true,"workplaceType":"Remote","address":{"postalAddress":{"addressCountry":"United States"}},"jobUrl":"https://jobs.ashbyhq.com/character/3d6073d4-3fd7-4f0d-ae63-d01cd6e28fa7","applyUrl":"https://jobs.ashbyhq.com/character/3d6073d4-3fd7-4f0d-ae63-d01cd6e28fa7/application","descriptionHtml":"<p style=\"min-height:1.5em\"><strong>About the role</strong></p><p style=\"min-height:1.5em\">Character is building one of the most engaged consumer AI products in the world, and we’re scaling the advertising business that helps fund it. Our core programmatic infrastructure is already in place. We’re bringing on a Yield &amp; Monetization Analyst on a contract basis to strengthen the analytical and operational layer on top of it  working hand in hand with our Data team and the rest of the monetization function.</p><p style=\"min-height:1.5em\">This is a role for someone who is fluent in advertising technology and the programmatic advertising ecosystem: you’ll partner with the Data Science team to define the audience segments that drive pricing, maintain a disciplined weekly cadence for monitoring and adjusting price floors, and keep ad monetization in lockstep with our broader initiatives including subscriptions, and one time purchases so the strategies reinforce one another rather than compete. You’ll work alongside our existing monetization teams who handle the underlying ad-stack architecture and implementation; your focus is segmentation, floor governance, and cross-functional alignment.</p><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"><strong>What success looks like</strong></p><p style=\"min-height:1.5em\">We expect this role to deliver:</p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">A segmentation framework, built with the Data Science team, that breaks inventory and audiences into meaningful cohorts (geo, device, surface, engagement / session depth, user tenure) and feeds directly into pricing and demand strategy.</p></li><li><p style=\"min-height:1.5em\">A standing weekly price-floor review running smoothly geo-tiered Unified Pricing Rules monitored, adjusted, and documented against fill and eCPM, with a clear audit trail of changes and outcomes.</p></li><li><p style=\"min-height:1.5em\">Ad monetization decisions are visibly coordinated with subscriptions and other monetization initiatives, ad load, segment treatment, and floor strategy aligned to LTV and user experience so the lines complement rather than cannibalize each other.</p></li><li><p style=\"min-height:1.5em\">A reporting view that connects segments → floor changes → revenue outcomes, legible to Monetization team, Data Science team, and leadership.</p></li><li><p style=\"min-height:1.5em\"></p></li></ul><p style=\"min-height:1.5em\"><strong>What you’ll do</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">Partner with various internal and external stakeholders to define and continuously refine audience and inventory segments, and translate those cohorts into actionable targeting and pricing strategy.</p></li><li><p style=\"min-height:1.5em\">Own a weekly price-floor governance cadence: review geo-tiered Unified Pricing Rules against performance, propose and apply adjustments, and track the fill / eCPM impact of every change.</p></li><li><p style=\"min-height:1.5em\">Stay in lockstep with broader company monetization initiatives aligning ad strategy, ad load, and segment treatment with LTV, conversion, and user-experience goals, and adjusting on the fly should cannibalization risk be identified.</p></li><li><p style=\"min-height:1.5em\">Monitor daily and weekly revenue, investigate anomalies and discrepancies, and run structured A/B tests to validate floor and segment changes.</p></li><li><p style=\"min-height:1.5em\">Build and maintain dashboards that tie segment performance, floor movements, and demand-source behavior to revenue, partnering with Data on instrumentation and attribution.</p></li><li><p style=\"min-height:1.5em\">Support demand integrations (AdX / Open Bidding, Amazon TAM) in partnership with the monetization owner and Engineering, contributing the analytical lens.</p></li><li><p style=\"min-height:1.5em\">Help translate findings into clear recommendations and briefings for Monetization, Data, and leadership stakeholders.</p><p style=\"min-height:1.5em\"></p></li></ul><p style=\"min-height:1.5em\"><strong>What you’ll bring</strong></p><ul style=\"min-height:1.5em\"><li><p style=\"min-height:1.5em\">4+ years in yield management, ad operations, revenue / monetization analytics, or publisher monetization, with a strong analytical core.</p></li><li><p style=\"min-height:1.5em\">Demonstrated experience with audience / inventory segmentation and cohort analysis, and comfort working closely with a data team; SQL and BI tooling (e.g. Looker, Tableau) a strong plus.</p></li><li><p style=\"min-height:1.5em\">Hands-on Google Ad Manager fluency, especially Unified Pricing Rules and floor management, plus a solid grasp of the programmatic ecosystem (AdX / Open Bidding, header bidding, SSP / DSP / RTB).</p></li><li><p style=\"min-height:1.5em\">Understanding of hybrid monetization — how ad-supported and subscription / paid models interact, and how to balance ad revenue against LTV and retention.</p></li><li><p style=\"min-height:1.5em\">A disciplined, cadence-driven operator who can run a reliable weekly review and keep a clear audit trail of decisions.</p></li><li><p style=\"min-height:1.5em\">Strong communication — able to make segment and floor analysis legible to both technical and business stakeholders, and to coordinate across functions.</p></li><li><p style=\"min-height:1.5em\">Self-directed and outcome-oriented, comfortable owning a defined scope and delivering within a fixed term.</p></li></ul><p style=\"min-height:1.5em\"></p><p style=\"min-height:1.5em\"></p><h2><strong>About Character.AI</strong></h2><p style=\"min-height:1.5em\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"http://Character.AI\"><u>Character.AI</u></a> every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure<em>s.</em></p><p style=\"min-height:1.5em\"><br />In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.</p><p style=\"min-height:1.5em\"><br />Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!<br /></p><p style=\"min-height:1.5em\"><em>At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.</em></p>","descriptionPlain":"About the role\n\nCharacter is building one of the most engaged consumer AI products in the world, and we’re scaling the advertising business that helps fund it. Our core programmatic infrastructure is already in place. We’re bringing on a Yield & Monetization Analyst on a contract basis to strengthen the analytical and operational layer on top of it working hand in hand with our Data team and the rest of the monetization function.\n\nThis is a role for someone who is fluent in advertising technology and the programmatic advertising ecosystem: you’ll partner with the Data Science team to define the audience segments that drive pricing, maintain a disciplined weekly cadence for monitoring and adjusting price floors, and keep ad monetization in lockstep with our broader initiatives including subscriptions, and one time purchases so the strategies reinforce one another rather than compete. You’ll work alongside our existing monetization teams who handle the underlying ad-stack architecture and implementation; your focus is segmentation, floor governance, and cross-functional alignment.\n\n\n\nWhat success looks like\n\nWe expect this role to deliver:\n\n - A segmentation framework, built with the Data Science team, that breaks inventory and audiences into meaningful cohorts (geo, device, surface, engagement / session depth, user tenure) and feeds directly into pricing and demand strategy.\n\n - A standing weekly price-floor review running smoothly geo-tiered Unified Pricing Rules monitored, adjusted, and documented against fill and eCPM, with a clear audit trail of changes and outcomes.\n\n - Ad monetization decisions are visibly coordinated with subscriptions and other monetization initiatives, ad load, segment treatment, and floor strategy aligned to LTV and user experience so the lines complement rather than cannibalize each other.\n\n - A reporting view that connects segments → floor changes → revenue outcomes, legible to Monetization team, Data Science team, and leadership.\n\n - \n\nWhat you’ll do\n\n - Partner with various internal and external stakeholders to define and continuously refine audience and inventory segments, and translate those cohorts into actionable targeting and pricing strategy.\n\n - Own a weekly price-floor governance cadence: review geo-tiered Unified Pricing Rules against performance, propose and apply adjustments, and track the fill / eCPM impact of every change.\n\n - Stay in lockstep with broader company monetization initiatives aligning ad strategy, ad load, and segment treatment with LTV, conversion, and user-experience goals, and adjusting on the fly should cannibalization risk be identified.\n\n - Monitor daily and weekly revenue, investigate anomalies and discrepancies, and run structured A/B tests to validate floor and segment changes.\n\n - Build and maintain dashboards that tie segment performance, floor movements, and demand-source behavior to revenue, partnering with Data on instrumentation and attribution.\n\n - Support demand integrations (AdX / Open Bidding, Amazon TAM) in partnership with the monetization owner and Engineering, contributing the analytical lens.\n\n - Help translate findings into clear recommendations and briefings for Monetization, Data, and leadership stakeholders.\n   \n   \n\nWhat you’ll bring\n\n - 4+ years in yield management, ad operations, revenue / monetization analytics, or publisher monetization, with a strong analytical core.\n\n - Demonstrated experience with audience / inventory segmentation and cohort analysis, and comfort working closely with a data team; SQL and BI tooling (e.g. Looker, Tableau) a strong plus.\n\n - Hands-on Google Ad Manager fluency, especially Unified Pricing Rules and floor management, plus a solid grasp of the programmatic ecosystem (AdX / Open Bidding, header bidding, SSP / DSP / RTB).\n\n - Understanding of hybrid monetization — how ad-supported and subscription / paid models interact, and how to balance ad revenue against LTV and retention.\n\n - A disciplined, cadence-driven operator who can run a reliable weekly review and keep a clear audit trail of decisions.\n\n - Strong communication — able to make segment and floor analysis legible to both technical and business stakeholders, and to coordinate across functions.\n\n - Self-directed and outcome-oriented, comfortable owning a defined scope and delivering within a fixed term.\n\n\n\n\n\n\nABOUT CHARACTER.AI\n\nCharacter.AI http://Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI http://Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.\n\n\nIn just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.\n\n\nJoin us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!\n\n\nAt Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success."}],"apiVersion":"1"}