 Addressing heavy traffic situation and migrating user-specific data off service instances and into a shared by using Microservices.  Used core java concepts like Multithreading, Collections Framework, File I/o and concurrency. Worked on Core Java concepts such as OOP Concepts, Collections Framework, and Exception Handling, I/O System, Multi-Threading, JDBC, Generics. Used Java8 features in developing the code like Lambda expressions, creating resource classes, fetching documents from database. Designed, developed, and tested HTML5, CSS3, Bootstrap, JavaScript, jQuery and React.JS that meets accessibility and web browser standards for website. Developed user interface by using the React JS, Flux for SPA development.  Implemented React JS code to handle cross browser compatibility issues in Mozella, IE 7, 8, 9, Safari and FF. Used React-Router to turn application into Single Page Application.

 Actively participated in the Analysis, Design, Development and Testing phases of various modules. Created Typescript reusable components and services to consume REST API's using Component-based architecture provided by Angular 6/7. Implemented Angular 2 Services for connectivity between web application and back-end API'S using TypeScript. Implement the technical transformation for the front-end from Angular.JS to Angular7. Developed single page applications using Angular7 Routers.  Performed form validations using reactive forms from the Angular7 framework.  Created Angular7 Directives, Components, Pipes, Injectable across the whole system, such as to build the custom filter.  Utilized the features of Angular7 to present effective web design. Developed various pages in the applications in front end technologies HTML5, CSS3-SASS, JSON, Angular 6. Extensively involved in upgrading the existing system from Angular 5 to Angular 7. Developed Single Page Applications (SPA) using Angular 7, TypeScript, HTML5, CSS3, and Bootstrap 3  Used HTML5, CSS3, JavaScript, Angular7 and Bootstrap in front end.  Worked with Angular7 Controllers, Directives, Services, Pipes, Guards, Angular Routing. Designed animated web pages by importing the @angular/animations which is the latest animation package in Angular7.

 Used Spring framework MVC in the development of new modules based on requirements. Utilized various utilities like JSP, JSTL, JavaScript, HTML, & CSS, jQuery. Refactored existing project to make it more RESTful and thread safe. Involved in the creation of dynamic web pages with the use of JSP and HTML. Configured and set up Java Workspace which included setting up server and theme installation and configuration. Became familiar with using and navigating through Java Workspace (Eclipse). Debugged Java classes used to modify web pages such as Business Objects and Data Access Objects. Implemented JDBC to perform the database calls from the Java layer. Used JDBC to persist Java Objects into the Sybase database. For XML marshalling and unmarshalling used JAXB. Worked with databases like Sybase. Tested many components of web application and documented my observations.  Used Servlets as an interface between frontend and backend to handle HTTP requests and to send the response back to the front end. Participated in analysing the requirements and depicted them through use cases and scenarios. Participated in unit testing, integration testing and installation of the system. Contributed to the decision making of the software and hardware requirements and tool evaluations. Implemented logging for the whole application using Log4j. Involved in daily scrum meetings, worked on the sprint tasks in the Agile Scrum development.