RL Scaling Scientist – Research Engineer for Frontier Training

Anthropic is seeking a Research Engineer to design and run large-scale RL experiments, study scaling properties across model size, compute, and horizons, and translate findings into production training recipes. You will work at the interface of research and engineering, tackling open problems where robust results are quickly deployed to training pipelines.

The role emphasizes building benchmarks, bridging teams, and delivering measurable progress in frontier-scale AI systems, with a focus on

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