At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Why Join Rider Applied AI Team? The Rider team is the heartbeat of Lyft business. Every feature you build translates to a better experience for millions of riders globally. The Rider Applied AI science team’s mission is to architect the intelligent layer of the Rider experience through applying state-of-the-art AI techniques and deliver hyper-personalized experiences for every rider, every ride. You will have the autonomy of a startup lead with the data scale of a global tech giant. We are seeking a Staff Applied Scientist to help build the next generation of AI/ML solution that powers personalized rider rideshare experience. In this role, you will lead a high-impact group of scientists and analysts to solve complex, large-scale problems in content ranking, user journey optimization and Rider intelligence engine. You’ll collaborate closely with Engineering, Product, Data Science, and Design to translate ambiguous business problems into rigorous algorithmic solutions that improve rider experience and drive meaningful revenue growth. This is a high-impact, highly technical role within a core business line. The ideal candidate brings strong applied machine learning intuition, hands-on modeling experience, and the ability to write clean, efficient production code. You will play a critical role in shaping the future of the Lyft rideshare experience and pushing the boundaries of personalization, measurement, and real-time optimization in a dynamic marketplace and bridge the gap between cutting-edge applied science research and production-scale product impact.