Research Engineer, RL Engineering is open at Anthropic in San Francisco, CA | New York City, NY | Seattle, WA. The posting gives a salary of $500K - $850K. Posted on Oct 14, 2025, and still on Anthropic’s careers page when we last checked, on Nov 14, 2026.
About the role
Reinforcement learning (RL) is how Claude learns to reason, write code, and act autonomously over long horizons. This role sits on the team that builds and owns the RL training system: the system that trains our production models and that researchers across Anthropic run their experiments on. The team works closely with research teams across the company on the science and engineering of making RL work at scale. As a…
The opening lines of the posting. The rest is on Anthropic’s careers page.
Hiring at Anthropic
Anthropic has 669 open roles right now, 59 of them remote. Most are in Engineering, Sales & Business Development and Data & Research. The median advertised salary across its roles with a published range is $352K. See all its roles
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