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Cognition

Software Engineer

San Francisco$260k–$300kfulltimemidAdded 2 days ago

About this role

Join an applied AI lab building AI software engineers and IDE tools. You'll tackle core infrastructure challenges for agentic systems that power Devin and Windsurf, working on long-horizon task execution, tool use, and developer experience at the frontier of AI.

What you'll do

  • Design and ship agent infrastructure including tool use, context management, planning, and code execution environments
  • Develop editor intelligence and agent-in-the-loop workflows for Windsurf IDE
  • Translate new model capabilities into shipped features through collaboration with researchers
  • Build reliable, performant systems handling millions of agentic tasks at scale
  • Contribute to real-time code understanding and developer experience improvements
  • Shape product direction and define what AI software engineering looks like

What they're looking for

  • Distributed systems design and reliability engineering
  • Python proficiency with production codebase ownership
  • Systems thinking and failure mode analysis
  • Product intuition and developer experience design
  • LLM and agent architecture understanding
  • Fast iteration and decision-making under ambiguity
  • High code quality standards
  • IDE or developer tools experience

Benefits

  • Base salary $260,000–$300,000 plus significant early-stage equity
  • Fully paid medical, dental, and vision coverage for employee and dependents
  • 401(k) with company match
  • Private chef, snacks, and workplace perks
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