• Implemented Micro-services-based architecture on the UI.• Involved in integrating micro-services apps as a single application.• Researched Micro frond and SPA’s architecture while implementing Micro-services architecture• Used NGRX state Management to maintain the state of the application on the client side. Used Actions, reducers and side effects.• Implemented infinite scroller to handle large amount of data sets on the browser.• Implemented token based auth on the UI by using browser sessions.• Handled browser memory efficiently with large data sets and also with the memory leakages while using RXJS.