Zoox, an innovative autonomous vehicle company, is seeking a Principal Machine Learning Engineer for their Perception team. This role focuses on developing cutting-edge algorithms for autonomous driving systems, working with world-class sensor data and infrastructure. The position involves creating new algorithms for segmentation, tracking, classification, and high-level scene understanding. As a Principal ML Engineer, you'll lead machine learning algorithm development affecting both onboard and offboard autonomy, collaborating with teams in Prediction, Planning, Simulation, and Safety Validation. The role offers competitive compensation ($296,000-$451,000), plus Amazon RSUs and Zoox Stock Appreciation Rights. The position provides an opportunity to work on groundbreaking autonomous technology while mentoring other ML developers and influencing the company's technical direction. The hybrid work environment in Foster City, CA, combines flexibility with in-person collaboration.