Model Performance Software Engineer, Claude Code

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San Francisco, CA | New York City, NY Posted 30+ days ago

RESPONSIBILITIES * Set technical direction for evaluation systems, research infrastructure, and internal tooling across the Claude Code team * Architect eval frameworks that measure model capabilities across diverse coding tasks and scale with our research roadmap * Lead the design of infrastructure that enables researchers to run experiments at scale, and make the foundational tradeoffs that shape how the team operates for years * Identify the highest-leverage engineering investments—often before anyone has asked for them—and drive them to completion * Serve as a senior technical bridge…

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