Software developers are individuals who design, create and maintain software applications. They use their knowledge of programming languages to write code that enables computers to perform specific tasks or functions. Their work involves analyzing user needs, creating algorithms, debugging programs, testing for errors, and updating existing software to ensure it runs efficiently on different platforms. Software development is a rapidly evolving field with new technologies emerging regularly, so developers must stay up-to-date with the latest advancements in order to create innovative solutions that meet user needs.