Staff Software Engineer (Backend) - Java Platform

Staff Software Engineer (Backend) - Java Platform Department: Engineering Team: Backend Location: San Francisco, United States Type: Full-Time **About the Team** The Java Platform team is focused on empowering every Java engineer within Uber to efficiently deliver high-quality software solutions, excelling in cost efficiency, continuous innovation, and maximum engineering productivity. Our mission is to make writing the best Java code easy for all Uber engineers by building an end-to-end solution that leverages the latest language features to make Uber backend services performant, reliable, and efficient. Our work spans core platform pillars including **Quality** (linters, testing, profiling), **Efficiency and Performance** (JVM tuning, CPU/memory consumption), and **Modernization** (latest Java versions, GenAI automation). **About the Role** We are seeking a Staff Software Engineer (Level 5B) to join the Java Platform team. This high-impact role is a critical position, and you will immediately take ownership of foundational platform initiatives. The role demands an individual who can operate with autonomy and technical depth to set the technical direction for projects that impact the entire company. You will partner closely with other platform teams and engineering leaders to drive performance, efficiency, reliability, and modernization across Uber's massive Java ecosystem. **What You'll Do** - Lead the architecture and implementation of crucial Java platform components, guaranteeing high performance, efficiency, and reliability. Proactively manage and resolve complex platform stability issues to maintain service integrity. - Spearhead ambitious, long-term optimization initiatives. This includes enabling virtual threads, developing the TaskGraph framework for Java developers, and significantly improving the efficiency of both stateful and stateless services. - Drive the strategic modernization of Uber's Java ecosystem, ensuring the adoption of the latest LTS Java versions and enhancing essential developer tooling. - Ensure that platform designs, including APIs and architecture, result in scalable, re