Successfully developed the admin portal frontend for the Facility Application admin services to track, manage and monitor facilities/systems related activities. Created Types of charts using D3 library and graphs for visualising data activities on Facility Application portal and track user activity. Implementing several Functionalities on different pages like: search, add-edit user, add-edit role, add-edit group, add-edit facility, apply for a license, statistic data of facilities.. Maintaining best security standards for authentication using Oauth and jwt token.Show dynamic UI to each user according to the authorities provided in the JWT token.