{"id":2907669,"url":"https://alion.io/job/microsoft-principal-software-engineer-github-actions","title":"Principal Software Engineer - GitHub Actions","company":{"id":18,"name":"Microsoft","domain":"microsoft.com","url":"https://alion.io/company/microsoft","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Eightfold","truth_index":{"grade":"B","score":82,"open_postings":357,"ghost_share":0,"stale_share":0.72,"repost_share":0.003,"time_to_fill_p50_days":29,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Czech Republic"],"countries":["CZ"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":1983000,"max":3553000,"currency":"CZK","period":"year","gross":null,"usd_annual":163882},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"GitHub","optional":false},{"name":"GitHub Actions","optional":false},{"name":"JavaScript","optional":false},{"name":"Python","optional":false},{"name":"Rust","optional":false},{"name":"Go","optional":true},{"name":"Ruby","optional":true}],"status":"live","first_seen_at":"2026-09-10T18:25:56Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-29T07:36:52Z","board_verified":true,"closed_at":null,"days_open":48,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":48},"description":"OverviewGitHub is expanding its Engineering team and seeks experienced professionals to elevate our software engineering efforts. As a Principal Software Engineer at GitHub, you will architect and deliver high-performance systems that power collaboration for millions of developers. You will drive technical execution from design through production, leading initiatives across distributed teams.\nWithin GitHub’s ecosystem, Actions powers automation for millions of developers worldwide, enabling them to build, test, and deploy code directly from their repositories. As the backbone of CI/CD workflows across GitHub, Actions processes billions of jobs monthly, from simple builds to complex deployment pipelines spanning multiple environments. Our team owns the core infrastructure and services that make this possible, ensuring reliability at massive scale. We're a group of engineers passionate about developer productivity, tackling challenges in distributed systems, container orchestration, security, and cloud infrastructure. You'll work alongside talented colleagues who value collaboration, operational excellence, and building products that developers love.\nResponsibilities\nDesign, develop, test and ship high-quality technical solutions that scale across multiple GitHub services.\n\nProvide 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.\n\nOwn 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.\n\nDesign and implement APIs to facilitate seamless integration between software components.\n\nCollaborate with cross-functional teams and partner with stakeholders and lead discussions for technical solutions, including design and cost considerations.\n\nLead the team in developing comprehensive testing strategies, defining success metrics, and incorporating customer feedback to drive continuous improvement.\n\nChampion 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.\n\nChampion operational excellence by improving system reliability, reducing incident response times, and establishing best practices for monitoring, alerting, and runbooks across Actions services.\n\nDrive 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.\n\nQualifications\nRequired Qualifications:\nBachelor's Degree in Computer Science or related technical field and demonstrated technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python, Rust OR equivalent experience. \nDemonstrated experience with large-scale system architecture and design, particularly in cloud-based environments, with a strong understanding of distributed systems and microservices. \nTechnical leadership and hands on coding experience.\nOther Requirements:\nAbility to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings: Microsoft Cloud Background Check:This position will be required to pass the Microsoft background and Microsoft Cloud background check upon hire/transfer and every two years thereafter.\n\nPreferred Qualifications:\nExperience using general purpose programming languages (e.g., Go, Ruby, or a similar language)\nExperience in one or more scripting languages (e.g., Bash, Python, or a similar language)\nExperience building or operating CI/CD systems at scale\nSoftware Engineering IC5 - The typical base pay range for this role across Czechia is Kč 1,983,000.00 - Kč 3,553,000.00 per year. Certain roles may be eligible for benefits and other compensation.\nFind additional benefits and pay information here:\nhttps://careers.microsoft.com/v2/global/en/corporate-pay/czech-republic-corporate-pay.html\nThis position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.\nMicrosoft 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. 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