Principal Data Scientist

Microsoft
U.S. / San Francisco Bay area / New York City metropolitan area2026-05-04onsite

About the job

Microsoft AI (MAI) creates innovative AI-powered and personalized web experiences in Microsoft Windows, Edge & Bing, that inform, entertain, add value, save money, and breathe productivity into the life and work of millions of customers. MAI makes the web work for our consumers, advertisers, and publishers in a safe environment where everyone can get informed, entertained, save money and thrive! Copilot Discover is a personalized AI content feed in Copilot apps. Our mission is to empower every person on the planet to be informed, entertained, and inspired. We are looking for a highly motivated and experienced Principal Data Scientist to join our Growth and Analytics team.

Responsibilities

Build metrics system to measure Business Health and quick identify the root cause when metrics moves. Collaborate with cross-functional teams to understand features, estimate impacts and drive the engagement improvements based on insights from big data. Enhance products by evaluating performance metrics and user feedback. Develop self-service dashboards and reports for various stakeholders using reporting platforms. Analyze large datasets to identify patterns, trends, and content performance to improve the relevance and quality of our recommendation systems. Conduct business modeling to identify growth opportunities and initiate projects with a positive long-term ROI. Design and conducting A/B tests to evaluate algorithm performance and proposing iterative improvements based on the results. Effectively communicate findings, insights, and make recommendations to both technical and non-technical stakeholders, enabling informed decision-making.

Qualifications

Minimum

Doctorate in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 5+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) OR Master's Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 7+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) OR Bachelor's Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 10+ years data science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) OR equivalent experience.

Preferred

Doctorate in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 8+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) OR Master's Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 10+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) OR Bachelor's Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 12+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) OR equivalent experience. 5+ years of experience in data science modeling, statistics, analytics, business intelligence, or data-driven business strategy. Previous web analytics, product analytics and or content analytics experience. Knowledge of Ads and content ecosystem Interpersonal communication and ability to leverage the data to tell a story. Demonstrated stakeholder management ability including effective prioritization, clear and concise communication, and delivery of actionable data-driven insights. Knowledge on big data processing from raw events to metrics and insights