Microsoft

Principal Data Scientist

$143K–$304K

Mountain View, CA +1 · On-site · Principal · Full-time · Posted Sep 29, 2026

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Location: Mountain View, CA
Redmond, WA
Experience: 3+ years with a doctorate, 5+ with a master's, or 7+ with a bachelor's in a related field; equivalent experience accepted. Preferred: 5+, 8+, or 12+ years respectively. Also lists 6+ years in programming languages as a preferred qualification.
Education: Doctorate, master's, or bachelor's degree in a listed related field, or equivalent experience.

About the job

Leads ecosystem-wide measurement, experimentation, and data science to guide Microsoft AI product strategy, investment decisions, and resource allocation.

What you'll do

Define metrics, measurement strategy, and decision frameworks across the Microsoft AI ecosystem.
Lead analyses, experimentation, and causal inference to identify opportunities and quantify impact.
Influence cross-functional strategy and resource allocation; mentor teams and advance analytical best practices.

What they ask for

Doctorate in a listed related field plus 3+ years of data-science experience, or master's plus 5+ years, or bachelor's plus 7+ years, or equivalent experience.
Expertise in statistics, experimentation, causal inference, and large-scale data analysis.
Experience developing metrics, evaluation frameworks, and measurement systems for product and business decisions.
Experience influencing strategy and leading cross-functional initiatives through data-driven insights.

Nice to have

Doctorate plus 5+ years, master's plus 8+ years, or bachelor's plus 12+ years of data-science experience, or equivalent experience.
6+ years of experience in Python, R, C++, Java, C#, or similar programming languages.

Pay

USD $142,800 - $274,800 per year (base pay); USD $188,000 - $304,200 per year (base pay)

Tools

Python, R, C++, Java, C#

AI focus

Measures value and ecosystem health for AI-powered consumer experiences and informs Microsoft AI investments.

Model-written summary · the original posting is authoritative