Character.AI Jobs
Open positions at Character.AI, newest first. Each listing links to the company's own application page.
- Open positions
- 13
Newest Character.AI openings
Redwood City, CA (On-site) · 22 days ago
We are scaling personalized AI to billions of users and monetization is at the core of making this vision sustainable.
- Full-time
- Mid-level
- TypeScript
- React
- React Native
Software Engineer, Core Product
Direct ATSRedwood City, CA · 22 days ago
We are building the future of open-ended interactions between people and intelligent agents.
- Full-time
- Mid-level
- TypeScript
- React
- React Native
Research Engineer, AI Safety & Alignment
Direct ATSRedwood City, CA · 22 days ago
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.
- Full-time
- Mid-level
- machine learning
- transformers
- reinforcement learning
Redwood City, CA (On-site) · 22 days ago
We’re hiring a Technical Program Manager, AI Infrastructure to lead high-impact programs that power Character.AI model development and serving systems at scale.
- Full-time
- Lead / Staff
- 5+ years
- program management
- cloud infrastructure
- distributed systems
Redwood City, CA (On-site) · 22 days ago
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…
- Full-time
- Senior
- 5+ years
- PyTorch
- TensorFlow
- gRPC
Redwood City, CA (On-site) · 22 days ago
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…
- Full-time
- Lead / Staff
- 8+ years
- distributed systems
- machine learning
- Python
Redwood City, CA (On-site) · 22 days ago
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…
- Full-time
- Lead / Staff
- transformers
- reinforcement learning
- alignment methods
Redwood City, CA (On-site) · 22 days ago
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…
- Full-time
- Senior
- 5+ years
- RLHF
- LLM evaluation
- SQL
Redwood City or New York City (On-site) · 22 days ago
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…
- Full-time
- Mid-level
- reinforcement learning
- transformers
- data pipelines
Redwood City, CA (On-site) · 22 days ago
Character.AI is building the future of open-ended interactions between people and intelligent agents.
- Full-time
- Lead / Staff
- 7+ years
- experimentation
- metrics design
- product analytics
Redwood City, CA (On-site) · 22 days ago
We’re looking for seasoned ML Infrastructure engineers with experience designing, building and maintaining training and serving infrastructure for ML research.
- Full-time
- Lead / Staff
- 4+ years
- Kubernetes
- GPU cluster management
- cloud platforms
Redwood City, CA (On-site) · 22 days ago
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.
- Full-time
- Lead / Staff
- technical program management
- cross-functional roadmap execution
- SDLC process design
Software Engineer, Backend
On-siteRedwood City, CA (On-site) · 22 days ago
We are looking for a talented and motivated Backend Engineer to join our team.
- Full-time
- Mid-level
- 5+ years
- backend development
- distributed systems
- REST and GraphQL APIs
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