Embedded Systems Developer for Microcontroller Control

I'm seeking an experienced embedded systems developer to create firmware for a microcontroller that controls a sensor array. The control interface will be an app accessible on iOS, Android, and Desktop, with communication via Bluetooth.

Key Responsibilities:
- Develop firmware/software for the microcontroller to control a sensor array.
- Create a control interface app compatible with iOS, Android, and Desktop.
- Implement Bluetooth for reliable communication between the app and the device.
- Document the entire process for future updates and maintenance.

Ideal Skills:
- Proficient in embedded systems development.
- Experience with microcontroller firmware programming.
- App development skills across iOS, Android, and Desktop.
- Knowledge of Bluetooth communication protocols.
- Able to provide thorough documentation.