JOBS / Anthropic

Model Performance Software Engineer, Claude Code

San Francisco, CA | New York City, NY

Role

This role is a Staff Software Engineer position on the Claude Code team focused on setting technical direction for evaluation systems and research infrastructure. Candidates must have 10+ years of experience, a track record of operating as a Staff or Principal engineer, and the ability to architect complex systems at scale.

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

PythonTypeScriptSystem ArchitectureMachine Learning EvaluationResearch Infrastructure

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Source and currency

This vacancy came from the organization’s official Greenhouse feed. Source update: 2026-08-21T12:49:52-04:00. Check the employer’s page for the complete description, current availability and application terms.

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