Writing · 5 posts
Writing.
Notes on React, TypeScript, Postgres and the craft of building interfaces that hold up in production.
Showing 5 of 5 posts
Latest · 8 October 2026
Add Google sign-in to an Expo app and an Express API, step by step
A complete walkthrough with screenshots: Google Cloud consent screen, the Web and Android OAuth clients, the SHA-1 from EAS, ID token verification on an Express API, account linking, and the two mistakes that cost me an afternoon.
18 min read#react-native#expo#oauth#google#nodejs#tutorial
8 min read
The bug that only showed up after I'd already fixed the first one
Preloading a TikTok embed to kill tap-to-play lag in a video feed fixed one problem and quietly introduced a worse one: a visible snap back to frame 0, on every first play. Two wrong fixes before the right one.
#react-native#expo#performance#debugging#video
8 min read
Meta's WhatsApp App Review: where the real instructions are hidden
The permission descriptions in the dashboard tell you almost nothing. The actual per-permission instructions are buried two clicks deep in a screen most people never open, and guessing wrong costs you a day.
#whatsapp#meta#api#app-review#graph-api
8 min read
A FedaPay integration that survives a retried webhook
A walkthrough of the FedaPay integration running in logemoi-api: a provider-agnostic order model, an idempotent checkout endpoint, and a webhook handler built around one fact — the provider will send the same event more than once.
#nodejs#express#typeorm#payments#webhooks
8 min read
Building a WhatsApp lead-intake flow: what the docs don't tell you
Redesigning a 3-screen WhatsApp Flow into a lean 2-screen form, and the platform quirks I only found by publishing to a real number.
#whatsapp#api#integration#conversational-ui