Custom BLE EV Charger App

I have an AC EV charger that already works through the generic Tuya app, but I now need a fully branded solution. Your first task will be to flash our existing BLE module with custom firmware so it exposes the functions we need... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, Bluetooth, Bluetooth Low Energy (BLE), Cloud Computing, Firmware Development, iOS, iPhone, Mobile App Development)