JOBS / Anthropic

Research Engineer, Code RL (Reinforcement Learning)

San Francisco, CA | New York City, NY

Role

The Research Engineer role focuses on advancing Claude's coding capabilities through reinforcement learning, including designing RL environments and building reward signals. Candidates must have strong software engineering skills, deep Python expertise, and the ability to balance research exploration with engineering implementation.

Location: San Francisco, CA | New York City, NY
Employment: full time
Work pattern: hybrid
Seniority: unspecified

PythonReinforcement LearningPyTorchSoftware EngineeringDistributed Training

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Source and currency

This vacancy came from the organization’s official Greenhouse feed. Source update: 2026-08-21T12:50:24-04:00. Check the employer’s page for the complete description, current availability and application terms.

Anthropic RESEARCH PROFILE ↗