RL Systems Engineer - Scale & Post-Training
Job in
Redwood City, San Mateo County, California, 94061, USA
Listed on 2026-07-31
Listing for:
Luma
Apprenticeship/Internship
position Listed on 2026-07-31
Job specializations:
-
Software Development
Job Description & How to Apply Below
Luma is hiring to build and scale reinforcement learning systems that power large-scale models. You will run post-training RL pipelines across thousands of GPUs, crafting environments, reward signals, and verifiers while integrating inference engines like vLLM and SGLang.
You’ll advance throughput, stability, and efficiency, collaborating with researchers to turn ideas into production training and evaluation runs in a fast, scalable, multi-GPU setting.
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