Software Engineer, Claude Code at Anthropic

Anthropic - Software Engineer, Claude Code New York City, NY / San Francisco, CA / Seattle, WA (Hybrid) | Rolling applications

About Anthropic:

Anthropic's mission is to create reliable, interpretable, and steerable AI systems.

We're specifically looking for a Software Engineer to help us build and maintain new agentic coding tools for developers. The ideal candidate will have a passion for developer tools, extensive knowledge of diverse programming environments and languages, and experience with advanced LLM features like tool-use, chaining and orchestration patterns, and prompt engineering.

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

Contribute across the stack from front-end UI to back-end infrastructure

Dive into unfamiliar areas like Python notebooks, VS Code plug-ins, and containerized environments

You may be a good fit if you:

Are excited about AI-assisted coding as a tool to enhance developer productivity

Spend a lot of time refining and customizing your AI workflows

Have experience building and maintaining dev tools

Are an expert in React development (hooks, context, suspense, performance optimization)

Specialize in UX engineering but are a capable full stack developer

Have hands-on experience with LLMs and prompt engineering

Have worked on projects with safety, security and/or compliance requirements

Have 5+ years of work experience

Strong candidates may also have experience with:

Building and maintaining CLI tools

Working in large codebases

Container orchestration and cloud infrastructure

Scaling TypeScript projects

Alternate JavaScript runtimes like Bun and Deno

Annual Salary: $320,000 - $560,000 USD Hybrid: minimum 25% in-office Visa sponsorship available