APIs
Ahmed Abdelmageed4 min read
Printing kitchen tickets from a cloud app with an 89-line Node bridge
How an order placed on a phone reaches a thermal printer inside a coffee shop: a polling bridge with no dependencies, tickets drawn as images so Arabic prints correctly, and a queue that survives a crash.
- Backend
- APIs
Ahmed Abdelmageed3 min read
Building a live fleet map on the Navixy GPS API
Polling that stops when nobody is looking, markers that glide instead of jumping, and the small traps in GPS data: two kinds of status, and trackers that report from 0,0.
- React Native
- APIs
- Maps
Ahmed Abdelmageed2 min read
Signing crypto orders on a phone without confusing errors
How Megora signs Binance orders on the device, fixes clock drift, and rejects bad orders before the exchange does.
- React Native
- Security
- APIs








