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Principal Applied Scientist - Auction & Bidding

United States, Redmond 139900.00 - 274800.00 USD / Year · Job Posted April 11, 2026
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Job Description

The Ads Monetization Algo team at Microsoft Advertising focuses on optimizing ad performance for all advertisers in our ecosystem by bidding on their behalf in real-time auctions across our marketplaces. We are also responsible for designing and optimizing the auctions for the long term. All of these works are done through algorithm development, optimization, and experimental analysis of advertiser strategies and auction mechanisms. In our team, applied scientists work together and utilize all sorts of platforms, techniques, and approaches, including but not limited to mathematical modeling and optimization, machine learning, optimal control, game theory, and general economics and operations research. We build and develop both online stacks as well as offline workflows to support our algorithms. At its core, our team utilizes signals of user and advertiser intent as well as auction characteristics to determine in real-time or near-real-time which ads can enter the auctions. Our work directly impacts 10+ billion dollars in revenue annually.

Job Responsibility

  • Designing, implementing, and analyzing bidding strategies using techniques from optimization, control theory.
  • Designing, prototyping, and analyzing different auction mechanisms given specific product area.
  • Designing and overseeing large-scale, long-term experiments to improve the health of the marketplace using advanced statistics and machine learning.
  • Designing automation algorithms for advertisers using techniques from AI and ML to improve advertisers’ return on investment.
  • Implementing methods for optimizing the marketplace at the large scale.
  • Developing models for causal reasoning using techniques from AI, ML, and statistics.

Requirements

  • Bachelor's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ years related experience (e.g., statistics, predictive analytics, research)
  • OR Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 4+ years related experience
  • OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 3+ years related experience
  • OR equivalent experience.
  • 8+ years of experience developing and deploying live production systems, as part of a product team.
  • 3 Years of experience in Auto-Bidding or Auction Design.

Nice to have

  • Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 9+ years related experience
  • OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ years related experience
  • OR equivalent experience.

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