Principal Software Engineering, App Performance (C++)

Improve Roblox client performance across mobile, desktop, and console by working primarily in cross-platform C++ engine code. Own end-to-end performance, profiling and diagnosing bottlenecks on iOS and/or Android, and shipping measurable efficiency gains. Build repeatable benchmarks and experiments, automate CI/CD regression detection, and use dashboards/alerts to prevent performance regressions while partnering with Engineering, Product, and Design on priorities and rollouts.