Notes

Blog

Short write-ups on the systems I've built — tracking, geofencing, offline-first design, and the rest.

Building Auto-Close Trip Detection with the Haversine Formula

How a simple distance formula between two GPS coordinates can automatically close a delivery trip — no driver action needed.

Node.jsGeofencingLogistics

Offline-First at the Warehouse Gate: Why IndexedDB Saved Us

Warehouse gates don't have reliable internet. Here's how an offline-first architecture with IndexedDB kept the Dock Gate Pass System running through network outages.

React.jsIndexedDBOffline-first