Senior Machine Learning Engineer, Ads Experimentation & Measurements

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Unity’s Ads Experimentation Platform team seeks a senior machine learning engineer to lead the validation and optimization of the global advertising ecosystem. The role involves technical leadership on experimentation and evaluation, bridging statistical methodology and large-scale engineering. Responsibilities include evaluating ad delivery systems, driving product analytics, designing advanced statistical methodologies (CUPED, sequential testing, interleaving), building automated ML experimentation pipelines, defining long-term value proxy metrics, and providing cross-functional leadership. Requirements include 5+ years in Data Science or Applied Research in Ad Tech or marketplaces, MS or PhD in a quantitative field, expertise in causal inference and statistics, programming skills in Python or Scala, experience with Spark, Snowflake, or BigQuery, and practical experience with advanced testing methodologies. Benefits include health insurance, commute subsidy, stock ownership, retirement plans, vacation, parental support, snacks, mental health programs, employee resource groups, assistance programs, training, and volunteering support. Location: New York, NY, USA. Salary range: $148,700 to $229,900 USD.