Cucibayargo
A mobile app POS for laundry business.
About this project
A mobile point-of-sale tailored for laundry shops — quick order entry, customer history, and integrated payment flows. Built with React Native + Expo so it runs the same on Android and iOS.
Used BLE to talk to thermal printers without extra hardware.
Challenges
Cashiers use cheap Android devices and the shop's wifi is unreliable. Every interaction had to feel instant, and the app had to keep accepting orders even when offline. BLE thermal printer support across vendors was its own rabbit hole.
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How I contributed
I built the mobile app from the ground up with React Native + Expo, designed the offline-first sync, and wrote the cross-vendor BLE printing layer. I also handled the deploys to Play Store and TestFlight.
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Highlights
- Sub-second order entry on low-end devices
- BLE printing for receipts, no cables required
- Offline-first sync so the cashier never gets stuck
Built with
- React Native
- Expo
- BLE