This study aims to produce a web-based Universitas Negeri Jakarta alumni data information system that can be accessed anywhere. The development of the alumni information system website, UNJ, is an Object-oriented Programming (object-oriented) by using the Unified Modeling Language (UML) as a model. The research was conducted using the waterfall method where the research went through several stages, namely needs analysis, system planning, and system design. In this study, two testing phases were carried out, namely feasibility testing and usability testing where this test was carried out after the web was completed and tested using a questionnaire as a research instrument. The research questionnaire distributed consisted of 18 questions grouped into 5 usability variables. Based on data processing, the results were obtained from the 5 usability variables used in the questionnaire, it can be seen that for each aspect of usability the percentage values are above 80% (Learnability, Efficiency, Memorability, Errors, and Satisfaction).
Keywords: alumni data, Universitas Negeri Jakarta, web