We have a desktop application (for both macOS and Windows) with an AWS backend. Technology stack: - OS: Windows & MacOS - Language: Python/HTML/JavaScript/CSS - Library: PyQt5 - Server: AWS We are currently experiencing an AWS server connection error related to license key creation and validation. Additionally, the application needs to be updated to support the latest libraries and current macOS and Windows versions. The application also requires improvements to its loading speed. We are looking for a professional desktop application developer who can quickly identify and resolve these issues and make the application fully operational.