Systems Engineer - Developer Productivity

About Bun: Bun is an open-source JavaScript tooling company focused on making programming simpler. We’re hiring a systems engineer to come to San Francisco and help us accelerate Bun’s development velocity. This role will focus on building tools and infrastructure to make our team more productive.

Key Responsibilities:

• Lead the design and development of tools that optimize JavaScript development workflows.
• Drive architectural decisions for high-impact projects, ensuring reliability and efficiency.
• Co-author long-term technical roadmaps that set the vision for developer tooling improvements.
• Set the standard for a culture of engineering and operational excellence.
• Build and nurture effective partnerships across engineering, product, and security teams to align on developer tooling goals.
• Lead and conduct design reviews for critical projects with a focus on system-level tradeoffs and JavaScript performance.
• Drive the design and implementation of “secure by default” tooling systems in collaboration with security teams.
• Act as a key stakeholder by engaging with developers and internal teams to understand JavaScript requirements and deliver innovative solutions.

Required Skills and Qualifications:

• Proven experience leading complex engineering efforts focused on JavaScript development tools and infrastructure.
• Exceptional collaboration and communication skills, with a demonstrated ability to align stakeholders and lead cross-functional teams.
• A track record of contributing to long-term technical roadmaps and making thoughtful system-level tradeoffs.
• At least 8+ years of coding experience in languages like C, C++, Zig, Go, or Rust, with strong expertise in writing concurrent and distributed code.
• Extensive experience designing and building distributed systems, leveraging concurrency primitives, and optimizing JavaScript execution.
• Deep expertise in JavaScript runtimes, with familiarity across adjacent infrastructure domains.
• Hands-on experience with cloud providers such as AWS, GCP, or Azure, and the ability to optimize cost, performance, and scalability.
• A strong sense of ownership and the ability to balance short-term priorities with long-term strategic goals.

Compensation: The estimated pay range for this role is $120,000 - $180,000. Additionally, this role is eligible to participate in Bun’s equity plan.