• Worked in Agile framework, collaborating with business and dev teams in story grooming, reviewing story/acceptance criteria and performance metrics.• Created Spring Boot application and Refactored the code Java 11. Implemented latest version of Java 11 Features like Utility Methods, Nested Based Access Control, and Local Variable Syntax for lambda Parameters.• Used Microservice architecture, with Spring Boot-based services interacting through a combination of REST and MQ and leveraging AWS to build, test and deploy micro services.• Implemented OAuth tokenisation for RESTful webservices using Spring boot.• Involved in creating and Deployment of REST API and Microservices in Java J2EE using Spring Boot.• Responsible for developing all the UI pages using HTML, CSS3, Bootstrap, Angular 11, Typescript, AJAX, JSON and RESTful API.• Successfully Updated Angular JS Application to latest Version Angular 11.• Created Single Page Applications using Angular 11, binding data to specific views and synchronizing data with the server,• Created SPAs with multiple views using route services and developed/tested features in an AGILE environment using Angular 11 and Typescript.• Used angular modules like, angular-animate, angular-cookies, angular-filter, angular-mocks, angular-resource, angular-route, angular-sanitize, angular-touch, ui-bootstrap.• Used Ngxs library in the application for the new improved decorators.• Generated Components, Services, Pipes, Directives by using Angular CLI.• Implemented Spring Netflix Zuul API gateway and Eureka service registry for reverseproxy and Dynamic service discovery of API's.• Used Spring Data Repositories to perform CRUD operations.• Responsible for implementing the business requirements using Spring MVC, Spring Boot, Spring Data and Spring Security, Microservices.• Developed REST controllers using Spring Data REST to serve the UI with required JSON data.

• Involved in analysis, specification, design, and implementation and testing phases of Software Development Life Cycle (SDLC) and used agile methodology (SCRUM) for developing application.• Used Java 1.8 Lambda expressions along with Streams for performing chain operations such as Filter, Map, and Collect on a collection.• Developed the application security using Spring Security and integrated with LDAP and Active Directory.• Developed Open stack API to integrate with Amazon EC2 cloud-based architecture in AWS, including creating machine Images.• Worked on some of the new features of Angular 4 like new if else syntax, ng-templates, form validators• Used functionalities to write code in HTML5, CSS3, Angular 4/5, JavaScript, jQuery, Ajax, JSON and Bootstrap.• Extensively used JavaScript to make the web page more interactive.• Created application with Angular 4/5 and worked extensively on Angular4/Typescript SPA domains.• Helping design feature architecture. Improving existing code to efficiently use OOP.• Involved in writing applications using Angular 4/5, ES6.• Developed Restful web services (Microservices) supporting both XML and JSON (Jackson) via Spring Rest Template.• Responsible for the overall layout design that meet cross-device compatibility using Bootstrap, color scheme of the web site using HTML5 and CSS3.• Secured API's by implementing OAuth 2.0 token-based authentication/authorization using Spring Security.• Implemented performance-oriented CSS selector, scalable and modular CSS approach for front-end architecture.• Used Node JS for heavy DOM manipulation.• Worked with core Java concepts like Collections Framework, Multithreading and Memory management.• Implemented the various services using Microservices architecture in which the services working dependently.• Written Indexing queries on MongoDB collections to expedite the fetch process based on some values of fields in the documents.

• Involved in Agile software development life cycle (SDLC) with SCRUM methodology.• Involved in developing an application using SPRING frameworks like Spring ORM and Spring IOC.• Developed DAO interfaces & implementations for database related operations using Hibernate and JAXB.• Used Spring Hibernate module as an Object Relational mapping tool for back-end operations over SQL database.• Used log4j to capture the log that includes runtime exceptions, debugging and request/response/error logging.• Developed applications using Hibernate persistent framework, developed persistent classes, hibernate-mapping files, configured XML files, hibernate query language.• Implemented the Spring IOC for the core business application logic and used Hibernate as persistence framework.• Used Java Mailing or Messaging Service (JMS) API's for mailing detailed notifications depending upon the success and failure once the backend process is complete and also for mailing administrator of any system related problems.• Involved in Java Multithreading to cascade multiple changes on multiple records in only one transaction and developed a batch process framework.• Developed the application using Eclipse IDE and deployed the application on WebLogic Server.

• Used Hibernate to establish connectivity to the database.• Used Spring IOC for dependency Injection of one class objects into other class such as model objects into controller classes.• Used Exceptional Handling and Multi- Threading for high performance of application.• Developed SOAP based JAX-WS Web Service interfaces for integrating multiple systems, code re-usability.• Worked with JAXB, SAXP and XML Schema for exporting data into XML format and importing data from XML format to data base and JAXB in the web service's request response data marshalling as well as marshaling process.• Generated Hibernate configuration files hibernate mapping files and Hibernate Data Objects to communicate data in persistent layer.• Involved in JUnit Testing, debugging, and bug fixing.• Used Log4j framework to log the system execution details to log files.• Used Maven as build tool and deploying the application.• Developed server-side scripts in shell to customize GIT and integrate it with tools like JIRA and Jenkins.• Developed and deployed application on WebLogic Application server.