Senior Software Engineer, Rust & Open Source Tooling

United States Digital Space LLC; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

United States Digital Space LLC is seeking an experienced software engineer to build next-generation programming language tooling. If you enjoy writing high-performance Rust and exploring the future of programming, this role fits well.

You’ll work on Ruff, uv, ty, and related tooling, contributing to open source and evolving the toolchain to accelerate development at the company. You should have deep experience with Rust, Python, or open source projects, with a track record of leading complex

Qualifications

• 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).

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 the company.
• Build entirely new tools, in entirely different programming ecosystems, to power the future of agentic software development.

Skills

Rust

Python

Open source

Compilers

Developer tools

Tools

Git

Job description

United States Digital Space LLC is seeking an experienced software engineer to build next-generation programming language tooling. If you enjoy writing high-performance Rust and exploring the future of programming, this role fits well.

You’ll work on Ruff, uv, ty, and related tooling, contributing to open source and evolving the toolchain to accelerate development at the company. You should have deep experience with Rust, Python, or open source projects, with a track record of leading complex