Overview
GitHub is seeking a Principal Software Engineer to join the Developer Experience (DX) team and help shape the future of our Engineering organization. In this critical leadership position, you’ll drive system architecture, inspire and coach engineering teams, and deliver innovative solutions that make a real impact.
We’re looking for someone with deep expertise in building and tuning scalable, high-performance systems, someone who thrives on optimizing high-throughput services at scale. You have a proven track record of solving complex technical challenges with creativity and pragmatism, and you excel in highly collaborative, cross-functional environments.
In DX, our mission is to empower GitHub developers to do their best work while ensuring our platforms are stable, secure, and reliable in an ever-evolving ecosystem. As a Principal Software Engineer, you’ll work alongside a globally distributed team of talented engineers and managers to enhance and scale our products, delivering an exceptional experience to our diverse and growing customer base.
You’ll lead by example—both through your own technical contributions and by mentoring others. You’ll guide technical strategy, influence architectural decisions, and drive performance optimization across teams. Our culture is built on developer empathy, transparency, and inclusive collaboration. Here, curiosity and a drive for impact are at the heart of everything we do.
Responsibilities
Join us to help shape the future of software development and make a difference for millions of developers around the world.
Lead and influence system architecture design for complex products and solutions, ensuring they meet security, compliance, and performance requirements.
Establish and mentor best practices for testing, performance tuning, and code quality, defining success metrics and ensuring maintainability across dependencies.
Qualifications
Proven experience maintaining and delivering production software coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Go, Ruby, Rust, or Python
Bachelor’s or Master's degree in Computer Science, Electrical Engineering, Electronics Engineering, Math, Physics, Computer Engineering, or related field.
Preferred Qualifications:
Deep understanding of performance profiling, observability, and telemetry-driven optimization, especially in Go or similar languages.
This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.
Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process.
