Engineering Notes

Lessons from building production mobile and web applications.

Migrating from Expo CLI to React Native CLI (New Architecture)

A practical guide to migrating your Expo managed workflow app to React Native CLI with the new architecture enabled. Covers native module bridging, build configuration, and common pitfalls.

January 15, 202612 min read

offlinearchitecturereact-native

Designing Offline-First Mobile Apps at Scale

How to architect mobile applications that work seamlessly offline. Includes sync strategies, conflict resolution patterns, and real-world examples from production apps.

January 8, 202615 min read

authperformancedebugging

Fixing Auth Race Conditions in Production

Debugging and resolving authentication race conditions that only appear in production. Token refresh timing, session management, and bulletproof auth flows.

December 20, 20258 min read