IoT Firmware for Sensor Integration

I'm looking for an experienced firmware developer to create firmware for IoT devices. The primary functionalities required are sensor integration and wireless communication, specifically using the Wi-SUN protocol. Experience with Silicon Labs Simplicity Studio is a requirement.

Key Requirements:
- Develop firmware for IoT devices
- Integrate various sensors
- Implement Wi-SUN wireless communication
- Ensure robust and reliable performance

Ideal Skills:
- Experience with IoT firmware development
- Proficiency in sensor integration
- Expertise in Wi-SUN protocol
- Strong background in embedded systems and microcontrollers

Please provide relevant experience and examples in your bids.