Principal Applied Scientist
Microsoft is hiring for Principal Applied Scientist in Redmond, WA, US. Staff level. First seen November 4, 2026, posted 7 times; open as of November 13, 2026. Jobs taken straight from company career pages — no aggregator in between.
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- Company
- Microsoft
- Where
- Redmond, WA, US
- Level
- Staff
- First seen
- November 4, 2026
- Postings
- 7
- Listed via
- Microsoft
What the posting says
As a Principal Applied Scientist on the Microsoft Ads Fraud Detection team, you will lead the most complex and ambiguous fraud challenges: designing new anomaly detection approaches to surface emerging attacks early, building robust cross-signal correlation frameworks to define and expand fraud perimeters, and developing next-generation ML models and low-latency pipelines that stop attacks before they scale. A key expectation for this role is to architect scalable solutions end to end, ensuring detection systems remain performant, resilient, and cost-efficient as data volume, attack…
Read more and apply on Microsoft's site
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