Software Engineer, Claude Code

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