A Call Routing developer designs, implements, and maintains software that manages the routing of inbound and outbound calls in a communication system. This involves creating algorithms to direct calls to the correct extension, department, or individual based on predefined rules. They ensure efficient call distribution to enhance customer service and operational efficiency. Their responsibilities also include troubleshooting and resolving issues related to call routing. They work closely with other IT professionals, like network engineers and system administrators, to integrate the call routing software with other systems and ensure its smooth operation. They also conduct regular system tests and updates to maintain optimal performance.