Applied Scientist, Advertising, AMPI Measurement Job ID: | Amazon.com Services LLC Amazon is investing heavily in building a world‐class advertising business, and we are responsible for defining and delivering a collection of advertising tools and products that drive discovery and Advertiser success. Our products are strategically important to our Retail and Marketplace businesses, driving long‐term growth. We deliver billions of ad impressions and millions of clicks daily and are breaking fresh ground to create world‐class products. We are highly motivated, collaborative, and fun‐loving with an entrepreneurial spirit and bias for action. The Marketing Effectiveness & Measurement Science team develops causal inference and machine learning systems to measure the impact of marketing programs across Amazon's advertising ecosystem. We build production‐grade measurement models and the calibration system that serves as the measurement truth layer — continuously validating model out...