Senior Staff Software Engineer, APIActive$405K

The opportunity

Anthropic is seeking an exceptional Senior Staff Software Engineer to join the Claude Developer Platform team and serve as the senior-most individual contributor across API Engineering. Since launch, the Claude API has seen rapid growth and adoption by companies of all sizes to…

What you'll do

  • Define and drive multi-year technical strategy for the Claude API, setting: direction across API Core, Capabilities, Knowledge, Distributability, and Agents.

  • Identify and personally lead the highest-complexity, highest-impact: engineering initiatives spanning multiple teams.

  • Serve as the primary technical decision-maker for major architectural decisions with org-wide scope.

  • Partner with Research to evaluate and integrate frontier capabilities; work: with Inference and Platform for reliable delivery at scale; collaborate with Infrastructure and Safeguards for reliability, security, and responsible deployment.

  • Mentor and develop Staff-level engineers across the org.

  • Drive alignment across Product, GTM, Safety, and beyond while proactively: identifying and addressing systemic technical risks.