CI at Uber Scale - Lean, Green and Fast

Explore how Uber maintains continuous integration at massive scale in this 19-minute conference talk from PlatformCon 2025. Discover the design and evolution of MergeQueue, Uber's advanced scheduling system that guarantees mainline stability and production readiness while processing hundreds of code changes per hour from thousands of engineers. Learn about speculative validation techniques, build-time predictions, and sophisticated conflict resolution methods that enhance efficiency and reduce CI bottlenecks. Understand how this system optimizes resource usage and empowers engineering teams to ship code quickly and reliably, ensuring every commit is production-ready and seamlessly integrated into Uber's ecosystem at scale.