Compact Low-Power Wearable Prototype

I'm looking for a skilled developer to create a compact, low-power wearable prototype. An NDA is required for this project.

Key Requirements:
- Custom behavioral event detection.
- Device session logging.

Essential Sensors and Components:
- Micro camera
- Contact sensor
- BLE module
- Memory storage
- Rechargeable battery

Ideal Skills and Experience:
- Experience in developing low-power wearable devices.
- Proficiency with BLE and various sensors.
- Background in behavioral detection algorithms.
- Ability to design compact, efficient hardware.

Please provide samples of relevant previous work.