Qiuyu Jiang has over 3 years of experience in desktop and web application development. They have created applications using technologies like WPF, Silverlight, Android, and web frameworks like Bootstrap. Their work involves tasks like parsing protocols, managing large datasets, designing user interfaces, and developing communication between hardware and software. They have a Master's degree in Computer Science from Northeastern University and have experience with projects involving big data analysis, machine learning classification, and developing recommendation and visualization systems using various APIs and programming languages. Their technical skills include languages like Java, Python, C/C++, C#, databases like SQL Server and MySQL, and IDEs like Eclipse and Visual Studio.