Principal Engineer - ML / AI – Foundation Models

Uber is seeking a Principal Engineer to lead the development of large-scale Foundation Models trained on proprietary marketplace data, transforming how the company understands and predicts marketplace behavior. This strategic, hands-on role involves shaping the long-term foundation model strategy, advancing representation learning, and driving company-wide ML impact across multiple product organizations. The position requires deep technical leadership in large-scale model development, training infrastructure, and distributed computing while collaborating with senior technical leaders and engineering teams.