IoT PCB Design for Smart Scooter

I'm working under Ramen Electric Pvt. Ltd., and I’m building a smart electric scooter project. I already have the mobile app UI and backend ready, but now I need the hardware side, plus help integrating it with the app... (Budget: ₹1500 - ₹12500 INR, Jobs: Electronics, GPS, Internet of Things (IoT), Microcontroller, Mobile App Development, MQTT, PCB Layout, Power Supply, REST API)