Notes on building software.

I'm Lijin P. I write about React Native and Expo, web engineering, and the small decisions that make products feel good to use.

React Native shadows that actually work on both platforms

iOS and Android disagree about shadows. Here's a small, predictable approach that looks the same on both — plus why elevation keeps betraying you.

A pragmatic EAS build and update setup — three profiles, OTA updates on the right channels, and the guardrails that keep releases boring.