Character.AI

Creating revolutionary open-ended conversational applications through breakthrough research.

Any levelInternNew gradSeniorStaffPrincipal+Manager
Principal Research Engineer, Post-Training
ML & researchPrincipal+Redwood City, CA
$275K–$400K117d ago
Staff Data Scientist, Monetization
ML & researchStaffRemoteRedwood City, CA
$250K–$300K170d ago
Software Engineer, Backend/Applied ML (Safety & Integrity)
ML & researchRemoteRedwood City, CA
$150K–$300K283d ago
Software Engineer, Applied ML (Discovery, Recommendation & Search)
ML & researchRemoteRedwood City, CA
$200K–$300K303d ago
Research Engineer, AI Safety & Alignment
ML & researchRemoteRedwood City, CA
$225K–$400K378d ago
Machine Learning Infrastructure Engineer
ML & researchRemoteRedwood City, CA
$150K–$350K541d ago
Research Engineer, Post-Training (All Industry Levels)
ML & researchRemoteRedwood City or New York City
$225K–$400K997d ago