Staff+ Software Engineer, Platform

Anthropic · San Francisco, CA | New York City, NY | Seattle

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Company: Anthropic
Location: San Francisco, CA | New York City, NY | Seattle
Salary: $405,000 — $485,000
Posted: April 8, 2026

About this job

We are looking for experienced software engineers to join our Platform organization. We build the foundational primitives that accelerate product development across Anthropic, and own infrastructure and systems that teams depend on to ship reliably and at scale - either internally or by hundreds of thousands of external global users and companies at all stages. You'll independently scope complex, multi-month projects, drive cross-org alignment through ambiguous problem spaces, and make architectural decisions that shape how Anthropic builds and scales its products. You'll partner directly with research to productize cutting-edge capabilities, and will have lasting impact on the platform that hundreds of thousands of companies and internal/external engineers depend on every day.…

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