// blog
Engineering notes — coming soon.
I'm planning to share concrete write-ups here, from things I encountered on client work or on my side projects.
- Coming soon/cognito-migration
Migrating authentication to AWS Cognito without breaking the user experience
Lessons from moving a custom auth system over to Cognito in production.
- Coming soon/rn-nx-firebase
Structuring a React Native app with Nx, Firebase and TypeScript
How I split domain / application / infra / mobile inside an Nx monorepo.
- Coming soon/revenuecat-expo
Setting up RevenueCat and In-App Purchases inside an Expo app
Setup, subscriptions, sandbox testing, and pitfalls to avoid.
- Coming soon/design-system-rn-web
Building a design system shared across React and React Native projects
Tokens, primitives, private packaging via GitHub Packages.
- Coming soon/firebase-app-check
Firebase App Check, Crashlytics and Cloud Functions in a mobile project
Securing the backend, observing crashes, automating what can be.
- Coming soon/rn-testing
React Native testing: what I actually test on a product app
A pragmatic test pyramid for a mobile team.