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Senior Data Scientist - Experimentation in Ads

Unity
Full Timesenior
CAPosted April 24, 2026

Job Description

Enhance advertising ecosystems as a Senior Data Scientist focused on experimentation. Lead innovative statistical models and methodologies to optimize ad performance across billions of devices. This position requires a seasoned professional with over 8 years in Ad Tech or large-scale experimentation.

You'll act as the technical authority, combining deep statistical expertise with engineering to advance A/B testing and causal evaluation techniques. Your insights will drive the development of automated ML experimentation and enhance marketplace integrity. Key Responsibilities:

  • Lead implementation of variance reduction techniques
  • Create frameworks for rapid ranking evaluations
  • Develop strategies to mitigate budget overlap
  • Define metrics correlating with long-term user value
  • Drive automated pipelines for feature and hyperparameter testing Requirements:
  • Minimum 8 years in Data Science or related fields
  • MS or PhD in Statistics, Economics, or similar
  • Strong programming skills in Python or Scala
  • Mastery of causal inference and experimental design
  • Familiarity with real-time data processing frameworks Elevate the standard of ad experimentation, providing actionable insights and fostering rapid innovation within a global advertising network.

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