Senior Staff Software Engineer, API

TL;DR

Senior Staff Software Engineer, API (Claude Developer Platform): Defining and driving technical strategy for the Claude API, ensuring reliability and scalability. Focus on integrating frontier capabilities and addressing systemic technical risks across API Core, Capabilities, Knowledge, Distributability, and Agents teams.

Location: Remote-Friendly. Expect all staff to be in one of our offices at least 25% of the time. Preference will be given to candidates based in New York or the San Francisco Bay Area.

Salary: $405,000 - $485,000 USD

Company

hirify.global’s mission is to create reliable, interpretable, and steerable AI systems.

What you will do

• Define and drive multi-year technical strategy for the Claude API.
• 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.
• 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 at Staff or Senior Staff level.
• Demonstrably shaped technical strategy for large-scale API or distributed systems platforms.
• Deep expertise in distributed systems and API architecture.
• Highly effective across org boundaries, building trust with Research, Inference, Infrastructure, Safeguards, and business stakeholders.
• Strong product instincts and a craftsperson's approach to API design.
• We require at least a Bachelor's degree in a related field or equivalent experience.

Culture & Benefits

• Competitive compensation and benefits.
• Optional equity donation matching.
• Generous vacation and parental leave.
• Flexible working hours.
• Lovely office space in which to collaborate with colleagues.
• We sponsor visas!

Hiring process

• Applications will be reviewed on a rolling basis.