JOBS / Luma AI

Research Scientist / Engineer – Reinforcement Learning Infrastructure

Redwood City, CA; Remote, US; New York, NY; Seattle, WA

Role

The role involves designing and scaling distributed reinforcement learning systems for post-training LLMs across thousands of GPUs. Candidates must have hands-on experience with RL post-training, distributed PyTorch, and building RL environments or reward infrastructure.

Location: Redwood City, CA; Remote, US; New York, NY; Seattle, WA
Employment: unspecified
Work pattern: hybrid
Seniority: unspecified

PyTorchvLLMSGLangNCCLKubernetes

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Source and currency

This vacancy came from the organization’s official Ashby feed. Source update: 2026-07-24T21:55:45.710+00:00. Check the employer’s page for the complete description, current availability and application terms.

Luma AI RESEARCH PROFILE ↗