Firmware(Nordic Semiconductor) help needed

I need help with firmware development for my project using Nordic Semiconductor's nRF52 Series. The primary function of the firmware is communication through BLE and NFC. Therefore, I am looking for someone with experience in developing firmware for wireless communication. The preferred programming language for the firmware is C. The ideal candidate will have experience in:
- Developing firmware for Nordic Semiconductor products, specifically the nRF52 Series
- Working with BLE and NFC communication protocols
- Proficient in C programming language.