[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Microsoft jobs](https://jobs.opennash.com/companies/microsoft/) · [Search jobs](/search/) Microsoft # Principal Software Engineer - GitHub Platform & Enterprise United States, California, Mountain View, Washington, Redmond, New York Senior individual contributor Software Engineering Listed on Microsoft’s official careers site. Posted August 7, 2026. Check that it is still open and apply there. [Apply on Microsoft’s careers site →](https://apply.careers.microsoft.com/careers/job/1970393556944737) [OpenNash Jobs](https://jobs.opennash.com/) / [Microsoft](https://jobs.opennash.com/companies/microsoft/) / Principal Software Engineer - GitHub Platform & Enterprise ## Job description 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 ## At a glance - Posted by the employer: Aug 7, 2026 - First seen by OpenNash: Aug 21, 2026 - Last checked: Oct 18, 2026 - Listed for: 72 days - Location: United States, California, Mountain View, Washington, Redmond, New York[Apply on Microsoft’s careers site →](https://apply.careers.microsoft.com/careers/job/1970393556944737) ## More jobs at Microsoft ### [Senior Software Engineer, Ads](https://jobs.opennash.com/companies/microsoft/jobs/f630c0205ab9f273e89b/) United States, California, Mountain View, Washington, Redmond, New York ### [Director, Technical Solutions - Microsoft Advertising](https://jobs.opennash.com/companies/microsoft/jobs/eaaf923d3546e7e3c62b/) United States, California, Mountain View, Washington, Redmond, New York ### [Principal UX Researcher](https://jobs.opennash.com/companies/microsoft/jobs/3dd5e2ec945f02ae9e62/) United States, California, Mountain View, Washington, Redmond, New York ### [Senior Product Manager](https://jobs.opennash.com/companies/microsoft/jobs/1b740e1fecdb521caaaf/) United States, California, Mountain View, Washington, Redmond, New York ## Similar jobs at other companies ### [Principal Software Engineer – Mobile Software Architecture](https://jobs.opennash.com/companies/qualcomm/jobs/914589d5d4db917886f4/) Qualcomm · San Diego, California, United States of America ### [Principal Software Engineer](https://jobs.opennash.com/companies/jpmorganchase/jobs/43ddee4b84a577509be8/) JPMorganChase · Seattle, WA, United States ### [Principal Software Engineer](https://jobs.opennash.com/companies/citigroup/jobs/57f0d1514e469a39bd0b/) Citigroup · Jacksonville Florida United States ### [Principal Software Engineer](https://jobs.opennash.com/companies/aramark/jobs/ab582b5e1a57f5b633f8/) Aramark · Philadelphia, PA, US ### [Principal Software Engineer - Apache Cassandra](https://jobs.opennash.com/companies/jpmorganchase/jobs/a7c527beea02339f82da/) JPMorganChase · Columbus, OH, United States [Software Engineering jobs](/functions/software-engineering/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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