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Research / Data Engineer - Post-Training & RL

Rnb Consultancy

San Francisco, CA · $250k–$300k a year · Posted October 23, 2026

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About the job

...Researcher or engineer? This role wants both, in one person. A profitable, seed-stage AI company in San Francisco creates long-horizon reinforcement learning environments and post-training data for leading AI labs in the US and abroad. Most data providers solve demand...