Cognition
Product Engineer
San Francisco +1 · On-site · Full-time · Posted Aug 6, 2026
- Location
- San Francisco
New York City - Education
- BS, MS, or equivalent in Computer Science, Mathematics, Engineering, or a related technical discipline from a highly selective program.
About the job
Build and ship end-to-end product experiences across Cognition’s IDE, web, and CLI, while developing Devin and its core agent infrastructure.
What you'll do
- Own features from implementation through user conversations and use feedback to shape future work.
- Create polished, performant interfaces and define interaction patterns for developers working with AI agents.
- Build Devin’s agent loop, tool use, and harness, and solve difficult engineering problems across product surfaces.
What they ask for
- Full-stack engineering depth and strong product quality instincts.
- Proficiency in Python, TypeScript, and React, with experience in complex production-grade products.
- Developer empathy and the ability to make independent product decisions.
- A BS, MS, or equivalent in Computer Science, Mathematics, Engineering, or a related technical discipline from a highly selective program.
Nice to have
- Experience building developer tools, IDEs, or technical products for engineers.
- Experience at a frontier AI lab, applied AI company, or developer tools company.
Tools
Python, TypeScript, React
AI focus
Build Devin and its core agent infrastructure, including the agent loop, tool use, and harness for reliable operation on real-world tasks; define developer interaction patterns for AI agents.
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