Model Engineer, Post-Training & RL

Role

The role involves working on post-training and reinforcement learning challenges, including reward modeling and preference optimization. Candidates must have experience writing production-quality code in Python, PyTorch, JAX, Rust, or C++.

Location: Palo Alto, CA
Employment: unspecified
Work pattern: unspecified
Seniority: unspecified

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Source and currency

This vacancy came from the organization’s official Greenhouse feed. Source update: 2026-10-30T19:33:46-04:00. Check the employer’s page for the complete description, current availability and application terms.

• job-boards.greenhouse.io/xai/jobs/5114737007 ↗

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