Wearable Sensor Vest Prototype — GPS/IMU + Heart Rate (PCB, Firmware, Enclosure)

I'm looking for an experienced hardware/embedded engineer to build a first working prototype of a wearable sensor vest for athlete movement and heart rate monitoring. Scope: Sensor 1: GPS + 9-axis IMU... (Budget: ₹75000 - ₹150000 INR, Jobs: 3D Printing, Bluetooth Low Energy (BLE), Electrical Engineering, Electronics, Embedded Systems, Firmware Development, PCB Layout, Product Design, Prototyping, Sensor Integration)