Character.AI
Open positions
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…
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…
Technical Program Manager, Model Alignment and Deployment
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.…
Software Engineer, Applied ML (Discovery, Recommendation & Search)
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…
Research Engineer, AI Safety & Alignment
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…