Sr. Software Engineer, Mac Cloud

GitHub, Inc.

3d • Remote

About The Position

GitHub is the world’s leading platform for agentic software development — powered by Copilot to build, scale, and deliver secure software. Over 180 million developers, including more than 90% of the Fortune 100 companies, use GitHub to collaborate, and more than 77,000 organisations have adopted GitHub Copilot.

GitHub Actions powers automation for millions of developers worldwide, processing billions of CI/CD jobs monthly — from simple builds to complex deployment pipelines spanning multiple environments and platforms including macOS. Our team owns the macOS platform within Actions, working across cloud infrastructure, networking, security, and distributed systems to deliver a reliable and performant experience for developers. We're looking for a Senior Software Engineer to design, build, and ship the systems behind this platform. You'll prototype and deliver solutions to interesting infrastructure challenges alongside a team that values quality, collaboration, and improving the developer experience at scale.

Requirements

• 6+ years experience in Software Engineering, Computer Science, or related technical discipline with 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
• OR Associate’s Degree in Computer Science, Electrical Engineering, Electronics Engineering, Math, Physics, Computer Engineering, Computer Science, or related field AND 5+ years experience in Software Engineering, Computer Science, or related technical discipline with 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
• OR Bachelor's Degree in Computer Science, Electrical Engineering, Electronics Engineering, Math, Physics, Computer Engineering, Computer Science, or related field AND 4+ years experience in Software Engineering, Computer Science, or related technical discipline with 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
• OR Master's Degree in Computer Science, Electrical Engineering, Electronics Engineering, Math, Physics, Computer Engineering, Computer Science, or related field AND 2+ years experience in Software Engineering, Computer Science, or related technical discipline with 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
• OR Doctorate in Computer Science, Electrical Engineering, Electronics Engineering, Math, Physics, Computer Engineering, Computer Science, or related field
• OR equivalent experience.

Nice To Haves

• 2+ years' experience using general purpose programming languages (e.g., Go, Ruby, or a similar language).
• 2+ years' experience in one or more scripting languages (e.g., Bash, Python, or a similar language).
• Experience building or operating CI/CD systems at scale.
• Experience developing on MacOS or iOS platforms.

Responsibilities

• Design, develop, test and ship high-quality technical solutions that scale across multiple GitHub services with a focus on MacOS support for Actions.
• Provide technical leadership, mentorship, pairing opportunities, and code reviews to encourage the growth of others; support teams in producing extensible and maintainable code, ensuring integration with downstream dependencies and adherence to quality standards.
• Own and advocate for the health and quality of the systems that the team builds, including participating in on-call for first responder rotations and live incidents.
• Design and implement APIs to facilitate seamless integration between software components.
• Collaborate with cross-functional teams and partner with stakeholders and lead discussions for technical solutions, including design and cost considerations.
• Lead the team in developing comprehensive testing strategies, defining success metrics, and incorporating customer feedback to drive continuous improvement.
• Champion security across GitHub Actions by designing and implementing isolation mechanisms for untrusted code execution, ensuring compliance with enterprise security requirements, and partnering with Security teams to protect against vulnerabilities in our services.
• Champion operational excellence by improving system reliability, reducing incident response times, and establishing best practices for monitoring, alerting, and runbooks across Actions services.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 1,001-5,000 employees