There are a few reasons you might want to hire a Serial Port Interfacing developer: - If you need someone to develop software that communicates with devices over a serial port, then you will need a Serial Port Interfacing developer. - If you have legacy software that needs to be maintained or updated, and it uses serial ports, then you will need a Serial Port Interfacing developer. - If you are developing new hardware that needs to interface with a computer over a serial port, then you will need a Serial Port Interfacing developer.