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Staff Software Engineer, Claude Code

Anthropic· Engineering & Design - Product
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San Francisco, CA, New York City, NY, Seattle, WA$320k - $625kfull-timePosted 2mo ago

About the role

Software engineer role focused on building and maintaining AI-powered developer tools, with emphasis on LLM features, tool-use, orchestration patterns, and prompt engineering to support AI-assisted coding.

Responsibilities

  • Design, build, and maintain scalable features and infrastructure for AI-powered development tools
  • Engage directly with developers inside and outside Anthropic to gather insights and improve user experience
  • Collaborate with researchers to improve model capabilities through shared tools and evals
  • Stay ahead of advancements in AI-assisted coding by experimenting with new tools, evaluating emerging techniques, and tracking enhancements to existing ones
  • Contribute across the stack—from front-end UI to back-end infrastructure—to develop new features, fix bugs, and optimize performance
  • Dive into possibly unfamiliar areas like Python notebooks, VS Code plug-ins, and containerized environments.

Qualifications

  • Are excited about AI-assisted coding as a tool to enhance developer productivity and creativity—not replace human ingenuity
  • Spend a lot of time refining and customizing your AI workflows
  • Have experience building and maintaining dev tools
  • Are an expert in React development, including performance optimization, modern patterns (hooks, context, suspense), and component architecture
  • Specialize in user experience engineering but are a capable full stack developer
  • Have hands-on experience working with large language models and prompt engineering
  • Have worked on projects with stringent safety, security and/or compliance requirements
  • Care about the societal impacts and ethics of your work
  • Have 6+ years of work experience

Skills

Required:React developmentFront-end / Back-end full stackLarge language models & prompt engineering

Benefits

  • Competitive compensation and benefits
  • Optional equity donation matching
  • Generous vacation and parental leave
  • Flexible working hours
  • Office space in San Francisco to collaborate with colleagues
Last updated Aug 12, 2026. Interested? Apply on the company site.

About Anthropic

building reliable, interpretable, and steerable AI systems

Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.

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