An FTP (File Transfer Protocol) developer designs, constructs, tests, and maintains FTP systems that enable efficient, secure file transfers over a network. They work with various protocols and programming languages to create user-friendly interfaces and ensure server-side configurations are optimized. They are responsible for setting up FTP servers, managing user access, troubleshooting connectivity issues, and ensuring data integrity during transfers. They also collaborate with other IT professionals to integrate FTP systems into broader network infrastructures, often developing automation scripts for routine tasks. Their role is crucial for businesses that rely on accurate, timely data exchanges.