An Application Management Developer is responsible for designing, testing, and maintaining software applications. They work closely with clients to understand their needs and translate them into functional applications. They ensure the application's functionality, security, and integration with other systems. Their duties also include troubleshooting and resolving issues, improving system performance, and updating applications to meet changing user needs or technological advancements. They also manage backend services and the interchange of data between servers and users. In addition, they are involved in all stages of application development, including planning, development, testing, deployment, and maintenance.