Software Engineer, Astral

OpenAI•New York, NY

3d•$250,000 - $400,000

About The Position

The Astral team at OpenAI builds high-performance developer tools like Ruff, uv, and ty, which are used by millions of developers worldwide. This role involves designing and implementing features for these existing open-source projects, supporting them as a maintainer, and evolving the Astral toolchain to accelerate development velocity at OpenAI. The position also includes building new tools for agentic software development in different programming ecosystems. The ideal candidate is an experienced software engineer who enjoys writing high-performance Rust and thinking about the future of programming.

Requirements

5+ years of professional engineering experience, excluding internships, in relevant engineering roles.
High agency and comfort operating in a fast-moving environment, with strong ownership of security, reliability, and operational excellence.
Strong developer empathy and communication skills, including experience maintaining open source projects.
Exceptional systems engineering fundamentals and a track record of leading complex projects from ambiguous problem statements through to user impact.
Proficiency in one or more system programming languages (like Rust).

Nice To Haves

Deep experience with Rust, Python, open source, compilers, or developer tools.
Prior Rust or Python experience.

Responsibilities

Design and implement features in Astral’s existing open source projects (Ruff, uv, ty, and python-build-standalone, and more).
Support Astral’s open source projects as a maintainer, triaging user issues, reviewing pull requests, and participating in community discussions.
Evolve the Astral toolchain to accelerate development velocity at OpenAI.
Build entirely new tools, in entirely different programming ecosystems, to power the future of agentic software development.