RepresentativeAIRLHFPyTorch
San Francisco / RemoteFull-time
Active network04 specialist practices·NDA first
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Representative searchAI
Staff Research Engineer, Post-training
Frontier AI Lab (client name withheld under NDA)
Own post-training for a frontier model family - RLHF, preference data and evaluation - inside a small, senior research org.
This is a representative search. Availability varies and this should not be interpreted as a current vacancy.
The brief
A well-funded frontier lab building general-purpose models. The post-training group is deliberately small and works directly with pre-training and product. Client name is shared with shortlisted candidates after a mutual NDA.
Deep experience training or fine-tuning large language models in PyTorch or JAX
Track record of published work, shipped models, or equivalent industrial impact
Comfort operating at large GPU scale with distributed training