A Bash developer designs, writes, tests, and debugs scripts using Bash (Bourne Again SHell), a popular Unix shell and command language. They automate tasks to streamline processes, manage files and text data, and control job scheduling. Bash developers also manipulate system and application-level tasks, improving the efficiency and performance of systems. They work with system administrators and developers to identify operational needs and develop suitable solutions. A Bash developer must have a deep understanding of Linux/Unix servers, and they often work in areas like system building, deployment, and server management. They can also troubleshoot and fix issues related to Bash scripts.