Software Engineer II - Fundamentals

Job ID: 200052349Posted: 2026-09-04Location: United States, Washington, RedmondSalary: USD $102,100 - $202,200 per yearEmployment type: Full-TimeWork site: 3 days / week in-officeRole type: Individual ContributorTravel: Less than 25%Profession: Software EngineeringDiscipline: Software EngineeringCompany: MicrosoftOverviewThe Windows + Devices Fundamentals team improves the reliability, performance, battery life, and sustainability of Windows devices. We define and measure the health of the Windows ecosystem by transforming device telemetry and diagnostic signals into actionable insights and engineering improvements.We are seeking a Software Engineer II to build data-driven solutions that reveal how Windows devices behave at enterprise scale in commercial landscape. You will develop metrics, analytics, and system improvements that help teams detect regressions, prioritize investments, and deliver measurable gains in Windows Fundamentals.Microsoft’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.ResponsibilitiesDefine meaningful Windows Fundamentals metrics and success criteria for reliability, performance, battery life, and sustainability.Analyze fleet telemetry, diagnostic signals, and traces to identify trends, anomalies, regressions, and customer impact.Build reliable data pipelines, queries, dashboards, and automated analyses that make device-health insights timely and actionable.Investigate metric movements using statistical methods, experimentation, debugging, and performance-analysis tools.Design, implement, and test well-scoped operating-system or analytics improvements that address identified opportunities.Evaluate data quality, establish baselines, quantify tradeoffs, and validate outcomes against measurable goals.Collaborate with Windows engineering, data science, security, servicing, Original Equipment Manufacturer (OEM), support, and enterprise partner teams to drive Fundamentals improvements.QualificationsRequired Qualifications: Bachelor's Degree in Computer Science or related technical field AND 2+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python.OR equivalent experience.Preferred Qualifications:Bachelor's degree in Computer Science or a related technical discipline and 3+ years of software engineering experience – or equivalent practical experience.1+ years of experience in software engineering, systems analysis, debugging, performance engineering, data engineering, or related work.Experience analyzing telemetry or operational data to diagnose system behavior and improve reliability, performance, efficiency, or security.Experience developing, testing, and delivering reliable production software, data pipelines, metrics, or analytics.Solid programming, debugging, data-analysis, and problem-solving skills; ability to independently execute well-scoped work and use evidence to guide decisions.Experience with operating systems, system-level development, performance engineering, data engineering, or large-scale analytics.Knowledge of Windows internals, reliability engineering, performance analysis, or power efficiency.Experience defining KPIs, establishing baselines, investigating regressions, and communicating insights through dashboards or technical reports.Experience with Kusto, Azure data platforms, fleet telemetry, statistical analysis, experimentation, anomaly detection, or machine learning.#W+DJOBS#WSSISoftware Engineering IC3 - The typical base pay range for this role across the U.S. is USD $102,100 - $202,200 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $133,800 - $219,200 per year. Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.Microsoft 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. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.