Looking for an experienced embedded firmware developers

For a project team working on development of connected devices, we are looking for experienced embedded firmware developers for freelance work (full-time position is an option after first project)
Qualifications:
preferred:
•Extensive experience with micro-controllers programming
•Low Level Drivers development
•In-Depth experience with SPI and I2C
Nice to have:
•Experienced with STM32 MCUs and IAR tools
•Experience with developing using Bluetooth Smart, preferred with knowledge in HCI
•Excited with unleashing the potential of “Internet of Things”