A Communication Protocols developer designs, develops, tests, and debugs communication and data exchange protocols used in computing systems and networks. They ensure seamless data transmission, establish rules for data transfer, and manage errors in communication. They work with network protocols like HTTP, FTP, TCP/IP, and more. Their responsibilities also include optimizing existing protocols, creating new ones, and integrating them into software applications. They collaborate with network engineers and software developers to ensure protocols meet performance requirements and security standards. They also troubleshoot issues related to protocols and improve protocol efficiency.