This Data Scientist role at Google focuses on optimizing Google Display Ads. Responsibilities include collaborating with stakeholders to define analytical questions, translating business needs into tractable analyses and models, leveraging custom or existing data infrastructure, designing and evaluating models to solve complex problems, and gathering, cleaning, and validating data from various sources using tools like SQL, R, and Python. The ideal candidate will possess a Master's or PhD in a quantitative field, strong analytical and problem-solving skills, and experience in managing investigative projects. Experience with machine learning and mathematical optimization is preferred.