The Outlook Data Science team at Microsoft is seeking a Senior Data Scientist to lead initiatives across Outlook and Copilot. This role involves collaborating with various teams to define success metrics, build measurement systems, and evaluate AI experiences. The candidate will leverage data to influence product decisions and provide technical leadership. The position emphasizes the importance of establishing rigorous data science practices within the organization.

• Doctorate in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 1+ year(s) data-science experience.
• Master's Degree in a relevant field AND 3+ years data-science experience.
• Bachelor's Degree in a relevant field AND 5+ years data-science experience.
• Ability to meet Microsoft, customer and/or government security screening requirements.

• Lead the design and execution of analytical frameworks that evaluate product investments across Outlook Mail, Calendar, Search, and Copilot experiences.
• Define metrics, value-creating interactions, guardrails, funnels, retention measures, and feature-level success criteria in partnership with product managers, engineers, and scientists.
• Design and analyze online experiments, quasi-experiments, and observational studies to estimate causal impact and guide ship decisions.
• Develop trusted dashboards, semantic models, and reporting pipelines that monitor product health, experimentation outcomes, AI quality, reliability, latency, sentiment, and adoption.
• Evaluate generative AI and agentic experiences using offline and online evaluation methods.
• Apply prompt engineering and evaluation techniques to improve response quality for Outlook scenarios.
• Partner with applied scientists and engineers on model selection and measurement strategies for AI-powered product experiences.
• Use large-scale behavioral and telemetry data to identify customer needs and diagnose product issues.
• Influence product strategy by communicating clear, actionable insights to senior leaders.
• Provide technical mentorship and raise the bar for statistical rigor and operational excellence across the data science community.

• Employees at Microsoft are often offered comprehensive, “world-class” benefits—including health and mental-wellness programs, competitive pay with bonuses and stock awards, and retirement/savings options. Time-off and flexibility are common, with generous vacation and holidays, parental and caregiver leave, and flexible work schedules, alongside learning support, employee resource groups, product discounts, and matching-gifts/volunteering programs. Specific benefits can vary by region.