Senior Staff Software Engineer, API

Tech Stack

Responsibilities

• Define and drive multi-year technical strategy for the Claude API across multiple teams (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, Inference, Platform, Infrastructure, and Safeguards to integrate frontier capabilities and ensure reliable, secure, and responsible API deployment.
• Mentor and develop Staff-level engineers across the organization and drive alignment across Product, GTM, and Safety stakeholders.

Soft Skills

Benefits

• Equity
• Flexible Hours
• Parental Leave
• Visa Sponsorship

Culture

Requirements