Sr Staff Engineer - Core Infrastructure

About the Role We are seeking a Senior Staff Engineer (L6) to lead the technical strategy and evolution of Uber's Core Infrastructure Platform . As a Senior Staff Engineer, you are the principal architect of an ecosystem that handles 1M+ concurrent trips and massive-scale ML workloads. You will own the technical roadmap for our Compute, Foundations, and Software Networking stack, driving the shift from "Service Provider" to "Strategic Partner." We aren't looking for a maintainer; we're looking for a visionary who can drive Platform Engineering 2.0 . You will solve the "hard problems" of extreme scale-driving fleet utilization from 26% to 40%+, scaling GPU pools for Generative AI, and ensuring "Security by Design" across a global multi-cloud footprint. What the Candidate Will Do - Architect Strategic Efficiency: Own the technical vision to drive fleet-wide CPU utilization and unit-cost optimization through ARM adoption (targeting XM+ cores) and silicon diversity. - Sca