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, including concurrency, consistency models, and high-availability patterns. 3. Track record of mentoring junior and mid-level engineers (L3/L4) and driving engineering excellence across a Broad organization. 4. Applied AI Experience: Proven track record of building user experience leverage AI, deploying and scaling Machine Learning models in production environments For San Francisco, CA-based roles: The base salary range for this role is USD$202,000 per year - USD$224,000 per year. For Sunnyvale, CA-based roles: The base salary range for this role is USD$202,000 per year - USD$224,000 per year. For all US locations, you will be eligible to participate in Uber's bonus program, and may be offered an equity award & other types of comp. All full-time employees are eligible to participate in a 401(k) plan. You will also be eligible for various benefits. More details can be found at the following link https://jobs.uber.com/en/benefits . Uber's mission is to reimagine the way the world moves for the better. Here, bold ideas create real-world impact, challenges drive growth, and speed fuels progress. What moves us, moves the world - let's move it forward, together. Uber is proud to be an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you have a disability or special need that requires accommodation, please let us know by completing this form . Offices continue to be central to collaboration and Uber's cultural identity. Unless formally approved to work fully remotely, Uber expects employees to spend at least half of their work time in their assigned office. For certain roles, such as those based at green-light hubs, employees are expected to be in-office for 100% of their time. Please speak with your recruiter to better understand in-office expectations for this role.