Character.AI · Redwood City, Country not listed
· Posted 2026-07-06
· Experience required
About the role 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 & Monetization Analyst on a contract basis to strengthen the analytical a
SQLTableauLooker
Character.AI · Redwood City, CA, US
· Posted 2026-06-30
· No minimum stated
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. This is not a traditional
TechnicalProductdesignexecutionoperationalcharacter.aiensurecross-functional
Character.AI · Redwood City, CA, US
· Posted 2026-06-22
· Experience required
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
ResearchEngineerPost-Trainingmodelsystemstechnicaltrainingdata
Character.AI · Redwood City, CA, US
· Posted 2026-06-01
· 5+ years
About the role Model 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 inte
SQLLLM
Character.AI · Redwood City, CA, US
· Posted 2026-04-30
· 7+ years
About the Role: 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. We are seeking a Staff Data Scientist
DataScientistMonetizationcharacter.aiproductbuildingsubscriptionsadvertising
Character.AI · Redwood City, CA, US
· Posted 2026-04-20
· 5-8 years
About the Role We’re hiring a Technical Program Manager, AI Infrastructure to lead high-impact programs that power 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 driv
TechnicalProgramInfrastructuresystemsengineeringproductexecutionlead
Character.AI · Redwood City, CA, US
· Posted 2026-04-14
· 8+ years
About the Role At 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
ProductMarketingcopyconversionmonetizationstrategymessagingperformance
Character.AI · Redwood City, CA, US
· Posted 2026-03-06
· Experience required
About the Role and Team 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 co
PyTorch
Character.AI · Redwood City, CA, US
· Posted 2026-02-04
· 5+ years
Character.AI is building what comes after television, after gaming, after social media. We're creating a new medium—one where anyone can bring a character to life and share it with millions. Our platform is already one of the largest consumer AI products on Earth. Millions of people use Character every day to talk, pla
ProductCorecharacter.aiexperiencesproductsentertainmentuserscharacter
Character.AI · Redwood City, CA, US
· Posted 2026-01-07
· 8+ years
About the role We’re looking for a talented and creative Software Engineer to join our Safety Engineering team at 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 challen
PythonJavaGo
Character.AI · Redwood City, CA, US
· Posted 2025-12-18
· 5+ years
About the Role 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 nativ
AWSGCPAzureCI/CD
Character.AI · Redwood City, CA, US
· Posted 2025-12-08
· 5+ years
About the Role 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,
KafkaCI/CD
Character.AI · Redwood City, CA, US
· Posted 2025-10-03
· Experience required
About the role and team 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 sign
ReactHTMLTailwind
Character.AI · Redwood City, CA, US
· Posted 2025-10-03
· Experience required
About the Role 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 pr
PythonReactHTMLTailwind
Character.AI · Redwood City, CA, US
· Posted 2025-10-03
· Experience required
About the role and team 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 solv
ResearchEngineerSafetyAlignmentlearningmodelstechniquesunderstanding
Character.AI · Redwood City, CA, US
· Posted 2025-04-24
· 4+ years
About the role We’re looking for seasoned ML Infrastructure engineers with experience designing, building and maintaining training and serving infrastructure for ML research. Responsibilities : Provide infrastructure support to our ML research and product Build tooling to diagnose cluster issues and hardware failures M
Kubernetes
Character.AI · Redwood City or New York City, Country not listed
· Posted 2024-01-24
· Experience required
About the role and team 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 advanceme
ResearchEngineerPost-TrainingAllIndustryLevelsdatamodels