Senior Software Engineer,Billing

GitHub is a leading platform for software development and collaboration. The Senior Software Engineer will own and evolve billing systems serving millions of users, work across backend, API, and frontend technologies, guide testing and architecture, mentor engineers, collaborate across teams, and improve system reliability and compliance.

Responsibilities:

• Own and evolve a billing system that serves millions of GitHub users, driving architectural decisions that balance reliability, scale, and developer velocity
• Work across the stack, from backend services to APIs to frontend experiences
• Create and guide others in 1) developing clear testing plans to assure solution quality, reliability, and performance; 2) defining success metrics; and 3) integrating customer feedback for continuous improvement - all while ensuring system architecture meets security and compliance standards
• Mentor and grow engineers across the team and broader org through pairing, thoughtful feedback, leading by example, and contributing to engineering-wide practices
• Use AI-assisted development tools like GitHub Copilot to work effectively and help the team figure out where they're most useful
• Collaborate with and influence cross-functional teams and partner with stakeholders and lead discussions across GitHub and Microsoft on shared technical problems, including design and cross-cutting concerns
• Participate in on-call rotations, lead incident response, and drive reliability improvements based on operational learnings
• 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

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
• Demonstrated experience designing and operating services on cloud platforms such as Azure, including infrastructure and deployment concerns
• Hands-on experience building and operating Go services at scale in high-traffic production environments
• Experience with JavaScript and frontend frameworks like React
• Experience building or operating billing and licensing systems, payment and subscriptions management, budgeting controls, or similarly high-stakes transactional systems
• Familiarity with or curiosity about AI-assisted development workflows (GitHub Copilot, LLM-based tooling)
• Track record of driving technical decisions across teams through RFCs, design docs, and async collaboration in a distributed environment
• Experience mentoring engineers and raising the quality bar through code review, pairing, and technical leadership