Research Engineer - Pre-training is open at PrimeIntellect in San Francisco. The posting gives no salary; similar roles in the United States advertise a median of $194K. Posted on Oct 16, 2026, and still on PrimeIntellect’s careers page when we last checked, on Nov 14, 2026.
About the role
Build and extend the pre-training code in prime-rl, taking small experiments into full training runs. - Evaluate model architecture changes, including MoE and attention designs, against model quality and training cost. - Profile training jobs and improve end-to-end throughput, working with systems engineers on hardware-aware execution. - Make long runs resilient to failures, with reliable checkpointing and recovery…
The opening lines of the posting. The rest is on PrimeIntellect’s careers page.
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