STM32 simultaneous USB HID keyboard mouse Emulation

I need an experienced developer to implement simultaneous keyboard and mouse emulation using an STM32 Blue Pill with the ST HID Library. The project requires the following functionalities:

Keyboard:
- Special function keys
- Macro support (additional details can be provided)

Mouse:
- Scroll wheel support

Ideal Skills and Experience:
- Proficiency in STM32 development
- Experience with USB HID protocols, especially using ST's HID Library
- Knowledge of integrating special function keys and implementing macro support

Please provide relevant experience in your bids.