A university is an educational institution where students seek for higher level of education. Online University management System is an automation software that is used to manage all the operations of the university. Jamhuriya University of Science and Technology is a local university based in Mogadishu that serves and operates like any other university. The university doesn't have a centralize information system that integrates all the tasks in the university. The main reason behind this research is solve the burdens that the university encounters and that is the lack of an online integrated system that the university uses. The methodology used to solve the afflictions faced by the university is a technological approach where by the researchers designed and developed an Online University Management System that makes the work easy and convenient way. The researchers used web technologies such ASP.NET as the front end and the SQL Server as the back end solution. They also used some other technologies like JQuery and CSS.