An open-source JavaScript tooling company focused on making programming simpler, among the most popular GitHub repositories with 33,000 Discord members.

Bun, a well-funded open-source JavaScript tooling company, is seeking a Systems Engineer focused on Developer Productivity to join their San Francisco office. With $26M in funding and a thriving community of 33,000 Discord members, Bun is revolutionizing JavaScript development. The role focuses on building tools and infrastructure to enhance team productivity, including debugging tools for memory leak detection, performance optimization, and CI/CD improvements. 

The position offers a unique opportunity to work with systems programming at a deep level. The team has built impressive components including a JavaScript & TypeScript parser, HTTP/1.1 client, TCP & UDP socket APIs, and various system utilities. This hands-on role requires expertise in CI/CD workflows, infrastructure-as-code, and systems programming languages.

The ideal candidate will have strong experience with self-hosted CI runners and understanding of manual memory management in large codebases. Knowledge of Zig (Bun's primary language), JavaScript runtime internals, and UNIX systems is a plus. The company offers competitive compensation ($120K-$180K plus equity), comprehensive healthcare, and generous time-off policies.

This is an on-site position in San Francisco with daily catered lunches and a collaborative work environment. The role presents an excellent opportunity for engineers passionate about improving JavaScript development tools and interested in systems-level programming. Join a team that values technical excellence and is committed to making programming simpler for developers worldwide.

Systems Engineer role at Bun focusing on developer productivity tools, CI/CD improvements, and debugging infrastructure in San Francisco.

Systems Engineer - Developer Productivity

Bun is a fast all-in-one JavaScript runtime and toolkit designed as a drop-in replacement for Node.js.

Bun is seeking a Systems Engineer focused on Developer Productivity to join our team in San Francisco. This role combines systems engineering expertise with a focus on improving developer tooling and workflows. As a Systems Engineer in Developer Productivity, you'll be working on optimizing and enhancing the development experience for both internal teams and Bun's user community. The position requires a strong understanding of build systems, development workflows, and performance optimization. You'll be instrumental in creating and maintaining tools that improve developer efficiency and code quality. This is a unique opportunity to work on a fast-growing JavaScript runtime that's making waves in the development community. The role offers the chance to make a significant impact on developer productivity while working with cutting-edge technology.

Systems Engineer - Developer Productivity position at Bun in San Francisco, focusing on improving developer tooling and productivity.

Bun is an incredibly fast all-in-one JavaScript toolkit for building, installing, running, and testing JavaScript and TypeScript.

Bun is an open-source developer tooling company focused on creating the fastest all-in-one toolkit for JavaScript and TypeScript development. With $26 million in funding from top Silicon Valley investors and one of GitHub's most popular repositories, Bun is revolutionizing the JavaScript ecosystem.

The Senior Systems Engineer role involves extensive open-source low-level systems work, primarily in Bun's GitHub repository and future commercial hosting product. The team takes full ownership of the entire software stack, having built components like JavaScript & TypeScript parser, HTTP/1.1 client, TCP & UDP socket APIs, and various system utilities.

This is an excellent opportunity for systems programmers to work on cutting-edge technology while making JavaScript development faster and more productive. The role is based in downtown San Francisco, with relocation assistance available.

Key responsibilities include:
- Developing and maintaining low-level systems components
- Contributing to Bun's core infrastructure
- Working on performance-critical systems
- Building scalable and efficient solutions

The ideal candidate should have strong experience in systems programming languages (C, C++, Zig, Go, or Rust), expertise in manual memory management, and excellent communication skills. Knowledge of JavaScript runtime internals, UNIX systems, or distributed systems is a plus.

Join a small, high-ownership team with minimal meetings and great benefits, including comprehensive healthcare and daily meals. Be part of a mission to transform the JavaScript development ecosystem.

Senior Systems Engineer role at Bun, working on open-source low-level systems and building the fastest JavaScript toolkit.

Senior Systems Engineer

Open-source JavaScript tooling company focused on making programming simpler, backed by $26M in funding.

Bun is an innovative open-source JavaScript tooling company that has secured $26 million in funding from top Silicon Valley investors. As one of the most popular GitHub repositories with a thriving community of 33,000 Discord members, Bun is focused on making JavaScript faster and more productive. The company recently achieved significant milestones with the launch of Bun v1.0 in September 2023 and added Windows support in v1.1.

The Systems Engineer role offers a unique opportunity to work on low-level systems programming, primarily contributing to Bun's open-source GitHub repository and future commercial hosting products. The team takes ownership of the entire software stack, making it an excellent environment for learning systems programming. Daily work involves developing complex components like JavaScript & TypeScript parsers, HTTP/1.1 clients, TCP & UDP socket APIs, efficient globbing libraries, and bash-like interpreters.

The position is based in their San Francisco office, where the team works on making JavaScript better for everyone. Bun offers a competitive compensation package, including startup equity, comprehensive healthcare benefits, and flexible time-off policies. The company maintains its own office in downtown San Francisco with daily catered lunches, fostering a collaborative environment where engineers are trusted, empowered, and well-compensated for their contributions.

This role is perfect for someone with strong systems programming experience who wants to work on cutting-edge JavaScript tooling and infrastructure. The ideal candidate will have experience with languages like C, C++, Zig, Go, or Rust, and a deep understanding of manual memory management in large codebases.

Systems Engineer position at Bun, working on open-source JavaScript tooling and infrastructure in San Francisco, focusing on low-level systems programming and performance optimization.

Bun Engineering Jobs

An open-source JavaScript tooling company focused on making programming simpler, among the most popular GitHub repositories with 33,000 Discord members.