Staff Data Scientist, Ads

Reddit’s Ads Data Science team is looking for a highly experienced Staff Data Scientist to advance the intelligence powering our two-sided ads marketplace. In this role, you'll take deep ownership of a high-impact problem space within advertising, specializing in a critical area such as ad auctions, measurement, advertiser experience, performance optimization, ad formats, etc. Take end-to-end ownership of complex problem spaces such as auction optimization, auto-bidding, ad creative performance, personalization, and targeting. Build and deploy predictive models, optimization frameworks, and decision-support systems that power Reddit’s ad platform and marketplace health. Define core business and performance metrics, and design robust methodologies to measure the impact of product and modeling changes on advertiser ROI and user experience. Collaborate deeply with engineering, product, and sales.Champion best practices across modeling, experimentation, and measurement. Leverage causal inference, auction theory, and large-scale data systems to solve novel problems.