The challenge
Every branch had a fingerprint device with its own desktop software, and payroll was compiled by hand. Customer SMS went through a paid provider that did not understand local number formats.
What we built
We built a light collector in each branch that pulls fingerprints from the devices into a central multi-company database without duplicates and produces wage protection files, tested on a real fingerprint device.
We built a notifications platform with one API for every system, whose channel is a native SMS gateway on a dual-SIM Android phone, and fixed everything that surfaced on a real network: number normalisation, operator prefixes and delivery reports.
The outcome
Payroll ready straight from the fingerprint devices, and messages that reach customers at lower cost with clear delivery reports.