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Staff Software Engineer, Web Platform

Menlo Ventures Portfolio

San Francisco, CA · full time · Staff

$320,000 – $405,000

Listed on Menlo Ventures Portfolio’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

Build foundational infrastructure and shared components that power Claude.ai across all platforms, enabling product teams throughout Anthropic to ship features faster and more reliably. This role suits engineers who excel at platform architecture and developer experience, and want their work to have multiplied impact across the entire organization.

Our summary, not Menlo Ventures Portfolio’s wording. The full posting is on their site.

Skills this role names

Log in to see which of these are already on your profile.

What they ask for

Required

  • Strong practical skills in modern web technologies like React and TypeScript
  • Experience designing or consuming APIs for frontend applications
  • Track record of building things that improve developer productivity
  • Solid instincts around reliability, observability, and performance in production systems
  • Ability to work effectively in fast-paced collaborative environments with cross-functional partners

Nice to have

  • 5+ years of software engineering experience with significant time on shared platforms, developer tools, or infrastructure
  • Experience building shared component libraries or design systems
  • API design and client-server architecture patterns across multiple platforms
  • Performance optimization and latency reduction in production web applications
  • Experience with CI/CD, build systems, and deployment automation
  • Experience with observability and monitoring tools

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