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Senior Data Scientist

Microsoft

$119,800 - $258,000
Aug 27, 2025
Remote, US
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The Windows Experimentation team needs to build the statistical and technical foundations that power experimentation across the Windows ecosystem to enable product teams to test new features with confidence and help engineering and release teams make data-driven decisions about shipping Windows.

Requirements

  • 2+ years of experience applying data science techniques in a business or applied research setting
  • Experience applying causal inference techniques to drive product development or applied research outcomes.
  • Experience designing and implementing complex experimental designs (e.g., factorial, adaptive, or sequential designs; bandits) in any domain.
  • Experience collaborating with engineering and product teams to build scalable data science capabilities (e.g., experimentation platforms, ML infrastructure, or similar).

Responsibilities

  • Develop and apply statistical methods to support randomized controlled trials (RCTs) that inform both product development and deployment decisions across the Windows ecosystem.
  • Design scalable systems and tooling that enable rigorous, high-throughput experimentation across the Windows ecosystem.
  • Partner with engineering, product, and data science teams to define metrics, validate experimental designs, and ensure robust causal inference.
  • Investigate experiment outcomes and anomalies to surface insights, improve decision quality, and strengthen system observability.
  • Advance experimentation best practices by contributing to internal guidance, tooling, and methodology.
  • Stay current with advances in causal inference, experimentation platforms, and statistical methodology and bring fresh thinking from academia and industry into our work.

Other

  • This position is flexible to remote work within the United States.
  • 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.