About the RoleAs a Sr. Staff Software Engineer in Core Services, you are a technical anchor for the foundational systems that power every Uber trip, delivery, and transaction globally. Your scope extends beyond a single team; you will define the 2-3 year technical vision for Uber's backend ecosystem.You will be responsible for the health, scalability, and evolution of our most critical infrastructure—Identity, Payments, and Safety—ensuring they remain resilient as we scale to the next 100 milli…