Principal Applied Scientist

Microsoft Corporation

Multiple Locations, Multiple Locations

Job posting number: #7319196 (Ref:ms-1860507)

Posted: October 24, 2025

Job Description

Be at the forefront of AI evaluation by joining the Copilot Offline Evaluation Platform team and help us deliver the platform that makes Copilot innovation fast, reliable, and regression-free.


As a Principal Applied Scientist, you will help transform how Copilot features are evaluated and improved. Your team will deliver end-to-end experimentation, evaluation, and insights to Copilot engineers, PMs, and fellow scientists. You’ll lead the development of a robust data generation platform that simulates realistic user behaviors, curate representative datasets, and develop comprehensive query sets and evaluation tooling. You’ll work on scalable pipelines that support offline evaluations for Copilot Search, BizChat, Connectors, and Agents (DAs). This opportunity will allow you to dive deep into Copilot technologies, shape how AI quality is measured at scale, build critical skills in the AI-era, and rapidly grow your career.
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.





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More Info

Job posting number:#7319196 (Ref:ms-1860507)
Application Deadline:Open Until Filled
Employer Location:Microsoft Corporation
Redmond,Washington
United States
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