4G SIM-based Security Camera Prototype

I am looking for an experienced electronics/IoT developer to build a **working prototype of a 4G SIM-based security camera and a simple mobile app**. The camera should work without Wi-Fi and connect to the internet using a SIM/4G network... (Budget: ₹12500 - ₹37500 INR, Jobs: Bluetooth Low Energy (BLE), C Programming, Cloud Computing, Electronics, Embedded Systems, Mobile App Development, Mobile App Testing, Prototyping)