An Application Support Services Developer is responsible for managing and overseeing the optimal functioning of software applications within a business. They troubleshoot technical issues, perform software updates, and provide user support. They also monitor system performance, ensuring software compatibility and efficiency. These developers work closely with other IT professionals to implement new applications, modify existing ones, and resolve any operational problems. They play a crucial role in maintaining business continuity and productivity by ensuring the smooth running of applications. They may also contribute to user training and generate reports on application health and usage.