About the Job

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Staff Engineer, ML Evaluation & Infrastructure

Anthropic

gb

21 September 2026

Anthropic is seeking a Staff Software Engineer for the Claude Code team in the United Kingdom. You will set technical direction at the intersection of engineering and research, architecting evaluation and research infrastructure and leading end-to-end ownership of critical systems.

You will mentor engineers, translate research questions into durable engineering solutions, and partner with research leads to shape capabilities and progress metrics while maintaining high standards of reliability

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