A Flexera InstallShield developer designs and develops installation packages for applications using InstallShield software. They're responsible for creating, testing, and maintaining installers to ensure smooth installation of software on different operating systems. Their role involves scripting, debugging, troubleshooting, and resolving installation issues. They also create updates or patches for existing software. They ensure the installer complies with software specifications and user requirements. Additionally, they work closely with software development teams to integrate the installation process into the software development lifecycle, thus contributing to the overall quality and user-friendliness of the software products.