Building next-generation Python developer tools for productivity, including Ruff and uv, at the intersection of Rust and Python.

Astral is seeking a Build Engineer to work on python-build-standalone, a crucial project in the Python ecosystem that enables the creation of portable, standalone Python distributions. This project, with over 70 million downloads, powers Python installation for numerous tools including uv, Rye, mise, Bazel's rules_python, pipx, and Hatch.

The role focuses on sophisticated build engineering challenges, including resolving linker issues, optimizing build-and-release pipelines, and contributing improvements to the CPython build system. As an integral part of the position, you'll also serve as an open source maintainer, actively engaging with the community, reviewing pull requests, and fostering open development practices.

Astral operates as a highly distributed, remote-first team spanning from Pacific Time to Central European Time. The company culture emphasizes asynchronous collaboration through Discord, GitHub, and Notion, minimizing meetings to maximize coding time. Team members gather twice yearly for week-long, in-person on-sites to strengthen collaboration and team bonds.

The company offers competitive compensation including both salary and equity, along with comprehensive healthcare benefits. The work environment is built on high trust and strives to balance shipping excellent software at a rapid pace while maintaining an enjoyable workplace atmosphere.

The hiring process is fully remote and structured to mirror actual team interactions, featuring a take-home project to build a command-line tool, a technical presentation of your past work, and a collaborative coding session working on real issues and pull requests.

Senior Build Engineer position at Astral, focusing on python-build-standalone project and build system optimization, with remote work flexibility and competitive benefits.

Build Engineer

Building next-generation Python developer tools including Ruff and uv, focusing on fast Python linting, formatting, and package management.

Astral is revolutionizing the Python ecosystem by developing next-generation developer tools, including Ruff (a fast Python linter and formatter) and uv (a comprehensive package manager). This role focuses on Ruff and a new Python type checker (Red Knot), combining low-level optimization with high-level user experience design.

The position requires expertise in working with parsers, control-flow graphs, and type inference algorithms, while also demanding skills in building interactive interfaces for code modifications. As an open source maintainer, you'll actively engage with the community, review pull requests, and debug issues.

The team includes notable contributors to projects like ripgrep, bat, hyperfine, maturin, Biome, and Prefect, as well as CPython core developers. Working in a distributed environment spanning Pacific Time to Central European Time, the company emphasizes asynchronous collaboration through Discord, GitHub, and Notion.

Astral offers competitive compensation, comprehensive healthcare benefits, and bi-annual in-person team gatherings. The hiring process is remote-friendly, featuring a take-home project, technical presentation, and collaborative coding session, reflecting the actual work environment.

The ideal candidate should have strong experience in Rust, Python, open source, or developer tools, though expertise in all areas isn't required. This role presents an opportunity to shape the future of Python development tools while working with a high-trust, small team focused on shipping excellent software at a rapid pace.

Senior Software Engineer position at Astral, focusing on Python compiler development and programming languages, building next-gen developer tools in Rust.

Software Engineer, Compilers & Programming Languages

Building next-generation Python developer tools including Ruff and uv for making the Python ecosystem more productive.

Astral is revolutionizing the Python ecosystem by developing next-generation developer tools. They're the team behind Ruff, an extremely fast Python linter and formatter, and uv, a comprehensive Python package manager - two of the fastest-growing developer tools. The company boasts an impressive team including authors of ripgrep, bat, hyperfine, and maturin, along with core contributors to Biome, Prefect, and CPython.

As a Software Engineer at Astral, you'll work at the intersection of Rust and Python, contributing to projects that span from low-level optimizations to high-level user experience design. The role offers diverse opportunities whether you're passionate about hyper-optimizing parsers, designing command-line interfaces, or maintaining open source projects.

The team operates in a highly distributed environment across Pacific Time to Central European Time, with bi-annual in-person gatherings. They emphasize asynchronous collaboration through Discord, GitHub, and Notion, maintaining a minimal meeting culture that maximizes coding time. The company offers competitive compensation, comprehensive benefits, and embraces a high-trust, fast-paced environment focused on shipping excellent software while having fun.

Their hiring process is entirely remote, featuring a take-home project, a technical presentation, and a collaborative coding session, all designed to mirror real team interactions. They value candidates with deep experience in Rust, Python, open source, or developer tools, though expertise in all areas isn't required.

Join Astral as a Software Engineer to build next-generation Python developer tools, working with Rust and Python in a remote-first environment.

Software Engineer, General

Building next-generation Python developer tools for increased productivity, including Ruff and uv - fast Python linter, formatter, and package manager.

Astral is revolutionizing the Python ecosystem by developing next-generation developer tools that enhance productivity and speed. The company is behind Ruff, a lightning-fast Python linter and formatter, and uv, an extremely fast Python package manager - both among the fastest-growing developer tools ever created.

The role focuses on uv, which has achieved remarkable success with tens of millions of monthly downloads and handles hundreds of millions of daily network requests to PyPI. This position offers a unique blend of technical challenges, from deep optimization work to user experience design. You'll work with SAT solvers and shape the future of Python development.

The team includes impressive talent - creators of tools like ripgrep, bat, hyperfine, and maturin, as well as core contributors to Biome, Prefect, and CPython. Working at Astral means being part of an open-source-first culture, where you'll actively engage with the community, review pull requests, and help maintain our public-facing development approach.

The company embraces remote work across multiple time zones (UTC-7 to UTC+1) and maintains a strong collaborative culture through asynchronous communication. Team members meet twice yearly for week-long, in-person on-sites. The hiring process is thoughtfully designed to mirror actual work experiences, featuring a take-home project, technical presentations, and collaborative coding sessions, all without traditional live coding interviews.

This role is perfect for someone passionate about developer tools, open-source software, and creating high-performance solutions that impact millions of developers worldwide.

Join Astral as a Software Engineer working on uv, an extremely fast Python package manager, contributing to open-source development and shaping the future of Python tooling.

Astral Engineering Jobs

Building next-generation Python developer tools for productivity, including Ruff and uv, at the intersection of Rust and Python.