Jobs

Anthropic is seeking a systems-oriented Software Engineer to enhance the performance and reliability of Claude Code, their terminal-first, agentic coding tool, and its underlying JavaScript runtime, Bun. This low-level role involves optimizing core systems, driving down memory usage and latency, and debugging performance issues across the stack. The ideal candidate will have 5+ years of experience with C, C++, and Rust, deep systems programming knowledge, and experience with language runtimes or JS engines. This position offers the opportunity to contribute to cutting-edge AI tooling and collaborate with researchers and product engineers.