Staff Web Platform Engineer - Build Shared UI & Platform Tools

Anthropic; San Francisco (CA); Hybrid; USD 320,000 - 405,000; Full time

Job summary

Anthropic is seeking a Software Engineer for its Web Platform team in San Francisco. You will design and ship shared components, evolve backend-for-frontend APIs, and improve build, deploy, and observability systems that empower multiple product teams.

You will focus on developer experience and build tools that enable dozens of features, enhancing speed and stability across Claude.ai surfaces.

Qualifications

• Strong skills in modern web technologies (React, TypeScript) and APIs for frontend apps.
• Proven track record improving developer velocity and tooling.
• Reliability, observability, and performance in production systems.
• Thrives in fast-paced, collaborative environments.
• Willing to take on ownership beyond strict role boundaries.

Responsibilities

• Improve developer velocity by reducing friction in build, deploy, and testing pipelines.
• Improve performance and reliability, enhance observability, and set high platform standards.
• Design and build shared UI components, libraries, and abstractions for web and mobile.
• Collaborate with product engineering to understand needs and shape platform investments.
• Maintain and evolve documentation and tooling for engineers joining or building on the platform.

Skills

React

TypeScript

APIs

Developer experience

Observability

Performance

Education

Bachelor's degree

Tools

CI/CD

Build systems

Deployment automation

Monitoring

Job description

Anthropic is seeking a Software Engineer for its Web Platform team in San Francisco. You will design and ship shared components, evolve backend-for-frontend APIs, and improve build, deploy, and observability systems that empower multiple product teams.

You will focus on developer experience and build tools that enable dozens of features, enhancing speed and stability across Claude.ai surfaces.