• Involved in analysis, specification, design, and implementation and testing phases of Software Development Life Cycle (SDLC) With TDD approach.• Used agile methodology such as extreme programming (XP) to improve the quality of code and to meet the change in customer requirements even at the late stage of the development process.• Used Design Patterns like Singleton, Factory, Session Facade, and DAO.• Used Java Microservices in Web-Application will make requests to the Account-Service microservice using a RESTful API• Used Spring and Hibernate for implementing IOC, AOP, and ORM for back-end tiers.• Created and injected Spring services, Spring controllers, and DAOs to achieve dependency injection and to wire objects of business classes.• Used Spring Inheritance to develop beans from already developed parent beans.• Writing application interface codes using JavaScript following react.js workflows.• Implemented SOA to develop REST-based Web services using Apache Axis.• Exposed the Web Services to the client applications by sharing the WSDL.• Used SOAP UI for testing the web services.• Used Xstream API to transfer data back and forth between Spring MVC and Ext JS.• Used DAO pattern to fetch data from database using Hibernate to carry out various databases.• Used Hibernate Transaction Management, Hibernate Batch Transactions, and cache concepts.• Worked with HL7v2 and HL7v3 message specifications and worked on CDA documents.• Used HL7 interface engines such as E-Gate JCAPS.• Used Spring MVC Transaction Management, Spring/Hibernate Batch Transactions, and Hibernate cache concepts.• Wrote complex SQL queries using hibernates native SQL.• Used Spring Quartz to schedule the Jobs (CRON Jobs), and Spring boot to load the application with configuration for Batches.

• Participated in the complete software development lifecycle tasks (design, coding, testing, and documentation).• Responsible for preparing the use cases and for designing and developing object models, and class diagrams with UML Specifications.• Designed and Developed UI for Customer Service Modules and Reports using Angular2.0, HTML, CSS, Bootstrap, JavaScript, and jQuery Created web application prototype using JavaScript and AngularJS.• Implemented nested views and routing using Angular UI Router as per the requirement. GUI was developed using JSP, HTML, and AngularJS and created reusable components in Angular7.0 using Custom Directives Filters, Services, and Partials.• Created Typescript reusable components and services to consume REST APIs using component-based architecture provided by Angular JS. Also developed internal services using Java and Node.js.• Customized Restful Web Service using Spring RESTful API, sending JSON format data packets between front-end and middle-tier controller.• Called REST web services through AngularJS services to get JSON Object and modified the response object to display in UI.• Developed the backend tier using Spring Boot framework providing Dependency management.• Developed the application under Core Java, J2EE Architecture using REST, JBoss, Node.js, backbone.js, EXT JS, Spring, Struts, Hibernate, Servlets, Web logic, Swing, Agile, Eclipse, Jenkins, and JSP.• Developed API to Integrate with Amazon EC2 cloud-based architecture in AWS, including creating machine Images.• Used 'TestNG' for backend test cases and Jasmine for AngularJS test cases.• Developed the application using Spring MVC intensively that leverages classical MVC architecture and JavaScript for major data entry that involved an extreme level of data validation on the client side.• Developed REST APIs using Spring MVC and Spring Boot, and hosted all microservices on Pivotal Cloud Foundry (PCF).

• Involved in software development life cycle (SDLC), which includes requirement-gathering, design, coding, and testing.• Developed Project Specific Java APIs for the new requirements with the Effective usage of Data Structures, Algorithms, and Core Java, OOPS concepts.• Used Bootstrap, and NodeJS for effective design of Web pages.• Developed web service for web store components using RESTful API using Java & and Spring.• Experienced in developing web-based applications using CSS, HTML, JavaScript, jQuery, and UML.• Responsible for analysis, design, development, and integration of backend components using J2EE technologies such as Springs 3 Spring JDBC, and EJBs.• Wrote Microservices to export/import data and task scheduling and spring boot, Spring, and Hibernate in the • Experienced in front-end frameworks such as jQuery, Ajax, JavaScript, Nodejs, ReactJS, BackboneJS, and Angular. • Created Typescript reusable components and services to consume REST APIs in Angular 2.• Analyzing the execution plan and choosing the optimized query for the DB operation using SQL Developer.• Developed Project Specific Java APIs for the new requirements with the Effective usage of Data Structures, Algorithms, and Core Java, OOPS concepts.• Used XML, XSD, and JSON messages for Data transfer. Used JAXB API and DOM for XML parsing messages.• Developed application-specific thread-safe XML APIs, XML Document Builder, and parser utils, validators using java DOM Parser which is used among the components.• Created and Modified Jasper Reports and have good Knowledge of Jasper server.