Staff Software Engineer Claude Code

AI safety and research company building reliable, interpretable, and steerable AI systems, including the Claude product family and developer platform.

Series F+Recently funded0 current maintainers0 active leadsTeam intelligence

Maintainer signals as of 9/24/2026

San Francisco, United States
About Anthropic

Anthropic PBC develops frontier AI systems and deploys them through Claude products and the Claude Platform, with a stated focus on safety, interpretability, and steerability.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will build and maintain scalable AI-powered development tools across the frontend and backend. You will collaborate with developers and researchers, improve shared tools and evaluations, experiment with AI-assisted coding techniques, and work with environments such as Python notebooks, VS Code plug-ins, and containers.

Requirements

  • Experience building and maintaining developer tools
  • Expert React development skills, including hooks, context, suspense, performance optimization, and component architecture
  • Full-stack development capability with user experience engineering specialization
  • Hands-on experience with large language models and prompt engineering
  • Experience with safety, security, or compliance requirements
  • 6+ years of work experience
  • Bachelor’s degree or equivalent education, training, or experience
  • Relevant field of study demonstrated through coursework, training, or professional experience

Responsibilities

  • Design, build, and maintain scalable features and infrastructure for AI-powered development tools
  • Gather developer insights and improve the user experience
  • Collaborate with researchers on shared tools and evaluations
  • Evaluate emerging AI-assisted coding techniques
  • Develop features across frontend UI and backend infrastructure
  • Fix bugs and optimize performance
  • Work with Python notebooks, VS Code plug-ins, and containerized environments

Benefits

  • Optional equity donation matching
  • Generous vacation
  • Parental leave
  • Flexible working hours
Staff Software Engineer Claude Code at Anthropic | JobStash