Principal Software Engineer - GitHub Platform & Enterprise

Design, develop, test and ship high-quality technical solutions that scale across multiple GitHub services and become intimately familiar with the systems you build and take pride in writing maintainable code. 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. Drive and support technical roadmap that aligns with product goals, ensuring that engineering efforts are strategically prioritized and incorporating the adoption of new technologies and methodologies where applicable. Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. These requirements include but are not limited to the following specialized security screenings: Master's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. 2+ year(s) technical leadership experience 3+ years' experience using general purpose programming languages (e.g., Go, Ruby, or a similar language) 3+ years' experience in one or more scripting languages (e.g., Bash, Python, or a similar language) Experience building and operating large-scale services, backend or full-stack, including on call. Experience building CI/CD or orchestration systems at scale Willingness and ability to participate in a rotating on-call schedule