Research Engineer, RL Scaling Science

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London, UK Posted 30+ days ago

This role lives at the boundary between research and engineering. The problems are open, the experiments run at frontier scale, and the path from a robust result to production is short. KEY RESPONSIBILITIES * Design, run, and interpret large-scale RL experiments, reasoning rigorously about what the data does and doesn't show * Investigate how RL improves as horizon, compute, and model size grow * Build and maintain benchmarks for long-horizon RL so progress is measurable and reproducible * Translate validated findings into production training recipes, exercising judgment about when a…

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