Senior Software Engineer

Senior Software Engineer Department: Engineering Team: Backend Location: San Francisco, United States Type: Full-Time **About the Role** The Earner Trip Experience (Tripex) team builds the core engine that powers seamless on-trip experiences for millions of Earners worldwide. As a **Senior Software Engineer - Backend (L5)**, you will be a technical leader responsible for architecting the highly scalable platforms, SDKs, and APIs that define how Earners interact with the Uber marketplace. You won't just build features; you will create the foundational infrastructure that allows cross-functional teams to build atop our trip technology reliably and efficiently. What you will do 1. **Lead Technical Strategy:** Architect and own the backend services and SDKs that power the Earner trip lifecycle—from dispatch through completion. 2. **Build Platforms:** Create reusable frameworks and APIs that enable other Uber teams to plug into the trip experience without reinventing the wheel. 3. **Drive XFN Collaboration:** Act as the primary technical point of contact for complex initiatives, aligning roadmap requirements between backend, mobile, and product stakeholders. 4. **Scale Systems:** Optimize system performance and reliability to handle peak global traffic, ensuring a 99.99% uptime for mission-critical Earner workflows. 5. **Champion Quality:** Set the bar for code quality, architectural reviews, and comprehensive testing strategies within the Tripex organization. Basic Qualifications 1. **5+ years** of professional experience in backend software engineering. 2. Proven expertise in designing and building **highly scalable, distributed systems** using languages like Go, Java, or C++. 3. Demonstrated experience in **Platform and SDK/API design** 4. Experience leading complex projects that require **cross-team and cross-functional (XFN)** collaboration with Product, Design, and Data Science. Preferred Qualifications 1. Experience building and maintaining **large-scale platform abstractions** that support multiple client types 2. Deep understanding of microservices architecture, includin