Principal Data Scientist

Help shape how Windows is built and shipped. Lead the technical vision and quality systems for Windows-wide experimentation to deliver fast, safe, trustworthy decisions at scale.

• Set and land experimentation best practices across Windows.
• Define and implement clear, practical guidance on experimental design, measurement, and decision frameworks so teams can make faster, higher-quality decisions.
• Own experimentation quality systems.
• Maintain and evolve guardrails, scorecards, and decision mechanisms to deliver trustworthy insights at Windows scale.
• Build next-generation measurement capabilities.
• Partner with Windows Experimentation colleagues to improve insight generation while reducing manual work through automation and reusable assets.
• Lead through influence to drive alignment and adoption.
• Create clarity across Windows PM, Engineering, and Data Science teams; land common practices; reduce duplicated effort; improve decision quality.
• Multiply impact by developing talent and raising the bar for the craft.
• Provide hands-on technical and career mentorship for earlier-career data scientists; lead reviews and learning sessions; and contribute to hiring practices.
• Represent Windows Experimentation externally and drive innovation.
• Share work at academic and industry forums, stay current on advances in experimentation and causal inference, pilot new approaches, and embed successful techniques into practice and the platform.

• Doctorate in Statistics, Biostatistics, Econometrics, Economics, Quantitative Social Sciences, Data Science, Operations Research, Mathematics, Computer Science, or related field
• 5+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results)

• Industry leading healthcare
• Educational resources
• Discounts on products and services
• Savings and investments
• Maternity and paternity leave
• Generous time away
• Giving programs
• Opportunities to network and connect

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.