Senior Data Scientist II - Ads Optimization

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Data Scientist II - Ads Optimization based in Canada . This is a senior data science role focused on optimizing a large-scale advertising business through experimentation, analytics, economics, and algorithmic decision-making. You will help shape how advertising demand and supply interact across bidding, pacing, targeting, budgeting, and related optimization systems. Your work will directly influence advertiser outcomes, platform efficiency, user experience, and revenue performance. You will partner closely with Product, Engineering, Machine Learning, Data Science, and Sales teams to move ideas from research and modeling into production. The role combines rigorous experimentation and causal analysis with hands-on development of optimization systems operating in high-throughput environments. It also offers the opportunity to serve as a technical thought leader and mentor while influencing the strategic direction of ads optimization.