A desktop apps developer designs, builds, and updates software applications for desktop operating systems. They analyze user needs, create application interfaces, and test application functionality. They often work with programming languages such as Java, C++, or .NET, and use development tools like Visual Studio. They also debug and resolve software bugs, collaborate with UX designers, and implement security measures. They are responsible for maintaining the software's quality through code reviews and performance testing. Furthermore, they often interact with clients or stakeholders to gather feedback and incorporate it into subsequent versions of the software.