Mobile Developer Productivity at Scale

on YouTube ↗48m

" summary

Uber runs a mobile mono repo with over 10 million lines of code, ~600 mobile engineers, and tens of thousands of modules, and reports developers commonly trigger local builds touching ~200 targets. It uses Bazel & Buck (migrating Buck→Bazel), collects granular telemetry with LDA (a local daemon), and ships cloud workspaces called Dev Pods plus a hot‑reload tool Quick UI. Compiler work (Kaptish, ABI jars, per‑class avoidance) and snapshotting cut indexing and build latency substantially; migrations and community collaboration are ongoing.

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" chapters (10)

1. 0:00Introduction
2. 0:12Scale at Uber
3. 4:25Organizing mobile teams
4. 7:35Measuring developer productivity
5. 14:36Build systems at scale
6. 22:36Faster Kotlin compilation
7. 37:27IDE and dev tools
8. 40:13Quick UI demo
9. 40:33Dev Pods cloud IDE
10. 47:21Open source resources

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