Character AI
Open positions
Software Engineer, Backend
Compensation: $180k – $300k 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…
Research Engineer AI Safety and Alignment
You will develop safety and alignment evaluations, research alignment, value-learning, and interpretability techniques, and conduct adversarial testing of large language models. You will analyze and mitigate harmful…
Machine Learning Infrastructure Engineer
You will support machine-learning research and products with training and serving infrastructure. You will build tools to diagnose cluster and hardware failures, monitor deployments, manage experiments, and maximize…
Software Engineer Applied ML Discovery Recommendation and Search
You will work with product, data science, and data platform partners to design and implement applied ML models and infrastructure. You will build ML backend systems for recommendation, ranking, and search, including…
Technical Program Manager Model Alignment and Deployment
You will lead cross-functional programs for data collection, annotation, model alignment, safety testing, and model serving. You will coordinate research, safety, infrastructure, and UX workstreams; build evaluation…
Research Engineer (AI Safety & Alignment)
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…
Backend Software Engineer
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…
Machine Learning Infrastructure Engineer
Provide infrastructure support to our ML research and product Build tooling to diagnose cluster issues and hardware failures Monitor deployments, manage experiments, and generally support our research Maximize GPU…
Software Engineer (Backend/Applied ML, Safety & Integrity)
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…
Software Engineer (Applied ML, Discovery, Recommendation & Search)
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…