A Development Etc. developer is responsible for creating and implementing software applications, integrating systems and software, troubleshooting and resolving issues, and ensuring software functionality. They also work on improving system performance through testing. Their duties involve collaborating with other developers, software architects, and project managers to ensure that the design requirements are met and the final product is up to standard. They may also be responsible for maintaining the documentation of software development and subsequent revisions. Their role requires them to have a strong understanding of programming languages, software development life cycle, and agile methodologies.