{"id":2614655,"url":"https://alion.io/job/microsoft-senior-software-engineer-53","title":"Senior Software Engineer","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":75,"open_postings":116,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-15T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","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":null,"salary_estimate":{"min_usd":44000,"max_usd":97000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":8},"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Azure","optional":false},{"name":"Azure Cosmos DB","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"Python","optional":false},{"name":"Redis","optional":false}],"status":"live","first_seen_at":"2026-10-12T12:47:28Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-15T21:22:09Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"OverviewMicrosoft 365(M365) Intelligent Conversation and Communications Cloud is the platform that powers billions of real-time customer conversations across Microsoft’s first-party (Teams, Skype), second-party (Dynamics), and third-party solutions (through Azure Communication Services). The platform enables reliable and high-quality messaging, meeting, and audio/video calling services that work every time, from anywhere, seamlessly across all customer touchpoints. Conversations on our platforms are made more intelligent in real-time, empowering best-in-class productivity tools for the modern workplace where every call, meeting, or chat will make the next one better.\nWe are the team behind all the runtime policy scenarios across multiple products, and develop one of the largest scale, business-critical distributed systems in Microsoft. Our services protect organizations from data exposure or inappropriate/unwanted communication, and we process 25 billions of requests/day, enabling hundreds of millions of active enterprise as well as consumer users. The microservices are highly scalable, highly available, and extremely performant in geo-redundant, multi-tenant systems and honor data sovereignty, privacy, security, and compliance. We are seeking a Senior Software Engineer who will have an opportunity to work with a highly collaborative and fun team in a fast-learning environment.\nMicrosoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.\nResponsibilities\nBuild large-scale distributed services. Design, develop, and operate geo-distributed services on Kubernetes, Azure Cosmos DB, and Redis.\n\nBuild data and ML infrastructure. Design and run large-scale data ingestion, real-time aggregation, and ML systems on Azure Data Lake, Azure ML, and Stream Analytics.\n\nDevelop AI-first. Use AI tools with discipline across the whole development lifecycle, from requirements and design to code, tests, and operations. Own the quality of everything AI produces, and help the team raise its bar on AI-assisted engineering.\n\nOwn architecture and design. Identify dependencies, lead design documents, and weigh trade-offs. Make sure systems meet requirements for scale, resiliency, performance, cost, disaster recovery, and compliance.\n\nLead by example in code and code review. Write and mentor others to write extensible, maintainable, well-tested, secure code that's reused across products. Give timely, insightful reviews that make other engineers better.\n\nDeliver best-in-class engineering. Keep services well-defined and modular, secure, reliable, diagnosable, actively monitored, and reusable.\n\nTreat security as code. Define security invariants, threat models, and deployment gates. Apply least-access principles, and make sure AI safety features are built into production systems.\n\nShip safely. Plan work with flighting, feature flags, experiments, rollback plans, and zero-touch automated deployment.\n\nDrive cross-team execution. Work with PMs and other stakeholders to drive project plans, release plans, and work items across multiple groups.\n\nOwn the live site as DRI (on-call owner). Monitor for degradation and outages, lead incident mitigation and postmortems, and improve observability, troubleshooting guides (TSGs), and monitoring. Mentor engineers on operational excellence.\n\nKeep learning and share what you learn. Adopt new trends, tools, and patterns that improve availability, reliability, efficiency, and performance.\n\nThink end to end. Learn how Microsoft's business works, and work with stakeholders and architects to deliver cohesive experiences that start from the customer.\n\nQualifications\nRequired Qualifications:\nBachelor's Degree in Computer Science or related technical field, or equivalent experience.\nExperience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python.\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:\nMicrosoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.\nPreferred Qualifications:\nBachelor's Degree in Computer Science or related technical field AND technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or PythonOR equivalent experience.\n\nSoftware Engineering IC4 - The typical base pay range for this role across Czechia is Kč 1,338,000.00 - Kč 2,448,000.00 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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