Economist III - Supplier Ads Science @ Wayfair Inc.

The base pay for this position is $185,000 - $196,500 per year. The base pay offered may vary depending on location, job-related knowledge, skills, and experience. Restricted stock units will be provided as part of the compensation package.Who We Are: Wayfair is one of the world’s largest online destinations for the home. We are driven by cutting-edge data science and economics, powering intelligent decision systems that influence nearly every aspect of our business. The Supplier Ads Science group plays a central role in Wayfair’s digital marketing ecosystem — delivering systems that optimize real-time bidding, measure performance impact, and guide investment decisions through causal inference. We are looking for an Economist III to lead high-impact initiatives at the intersection of bidding optimization, auction dynamics, and causal measurement. This role is ideal for candidates with strong theoretical and empirical backgrounds who are eager to solve complex problems with real-world data and deliver practical, scalable solutions. What You’ll Do: Lead Development of Bidding Algorithms: Architect and refine auction bidding strategies that drive media efficiency and revenue. Model advertiser-platform dynamics and optimize bids across Google, Meta, and programmatic platforms using economic and ML theory. Causal Impact Modeling: Build and apply structural and reduced-form causal models (e.g., instrumental variables, difference-in-differences, DML) to measure the impact of bidding decisions and other marketing interventions. Auction Simulation & Optimization: Construct market simulation environments to test bidding strategies, study incentive compatibility, and evaluate counterfactuals. Collaborate Across Disciplines: Partner with engineering, data infrastructure, product, and marketing teams to integrate your models into production systems and influence business strategy. Advance Measurement Science: Design experimentation frameworks and contribute to the evolution of attribution models that combine observed and experimental signals. Who You Are: Ph.D. in Economics, Quantitative Marketing, Operations Research, or a related field, with 2+ years of post-Ph.D. experience (or equivalent… Apply To This Job