Machine Learning Infrastructure Engineer is open at Character.AI in Redwood City, CA (hybrid). The posting gives a salary of $150K - $350K. Posted on Apr 24, 2025, and still on Character.AI’s careers page when we last checked, on Nov 14, 2026.
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 - Monitor deployments, manage experiments, and generally support our research - Maximize GPU allocation and…
The opening lines of the posting. The rest is on Character.AI’s careers page.
Hiring at Character.AI
Character.AI has 13 open roles right now. Most are in Engineering and Data & Research. See all its roles
