Senior Staff Software Engineer, API

🕒 February 26

🏢🏡 San Francisco – Hybrid

💵 $405k - $485k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

🦅 H1B Visa Sponsor

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Anthropic

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2020

🤖 Artificial Intelligence

☁️ SaaS

🏢 Enterprise

Artificial Intelligence • SaaS • Enterprise

Anthropic is an AI safety and research company based in San Francisco. The company focuses on developing research and creating reliable, beneficial AI systems. It offers products such as the Claude AI model, designed to be safe and efficient for enterprise use, and provides tools like the Claude API to help drive efficiency and create new revenue streams for businesses. Anthropic places a strong emphasis on AI safety, aligning its work with principles of harmlessness and ethical AI deployment.

📋 Description

• 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.

🎯 Requirements

• 12+ years of engineering experience with a clear track record operating at Staff or Senior Staff level. • Have demonstrably shaped technical strategy for large-scale API or distributed systems platforms. • Drive the highest-leverage technical outcomes without formal authority—you lead through influence, quality of thinking, and trust. • Have deep expertise in distributed systems and API architecture, and are effective writing design docs, making architectural calls, and coding in critical paths. • Are highly effective across org boundaries—you build trust with Research, Inference, Infrastructure, Safeguards, and business stakeholders alike. • Bring strong product instincts and a craftsperson's approach to API design; you communicate clearly with both technical and non-technical audiences.

🏖️ Benefits

• Competitive compensation • Generous vacation and parental leave • Flexible working hours • Lovely office space