Senior Data Scientist (Ads & Demand Optimization)
Core
Design algorithmic frameworks for ad ranking, automated promo assignment, and auction mechanics to maximize platform ROI and ecosystem health.
Role type
Senior IC data scientist (ads & demand optimization)
Builds
Ads ranking systems, promotional budget allocation mechanisms, and causal inference models for incrementality.
Domain
Marketplace economics, digital advertising, and machine learning
Deliverable
production ML models
Required skills
causal inference, uplift modelling, experimental design, ads auction theory, statistical modelling, machine learning, mathematical optimization, Python, SQL, distributed data frameworks (Spark)
Preferred skills
experience in ads ranking, recommendation systems, or marketplace optimization
Responsibilities
Develop data science methodologies for ad ranking and automated promo assignment; Deploy uplift models and causal inference frameworks; Improve ads auction mechanics and budget allocation; Design experimentation frameworks (A/B testing, switchback, bandits) to evaluate CTR, CVR, and incremental GMV; Partner with Product and Engineering to translate marketplace challenges into data science roadmaps
Seniority
Senior, hands-on IC
