• Used Spring Boot with ORM Framework (Hibernate) to do CRUD operations with Database.• Integrated Hibernate ORM framework with spring framework for data persistence and transaction management.• Implemented Java Message Services (JMS) using JMS API.• Involved in designing and developing the application's front end using JSP, JavaScript, AJAX, HTML5, DHTML, and CSS3.• Core Java development for different components. Developed the application using Core Java, Multi-Threading, Spring Core, Beans, JDBC, Transaction and Batch, ORACLE, and Maven.• Extensively used Java 8 features such as lambda expressions, Parallel operations on collections, multithreading, and effective sorting mechanisms.• Developed the components using Angular 10/9/8 needed for the application from scratch and customized from various Angular-related libraries to meet the application's functionality.• Developed the presentation layer and GUI framework based on Spring framework involving JSP, HTML5, JavaScript, and Angular.• Worked with the OpenShift platform in managing Docker containers and Kubernetes Clusters.• Implemented and tested the enterprise application with jQuery and Spring MVC.• Used Java Mailing or Messaging Service (JMS) API 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.• Build highly available content distribution sites using CI/CD tools like Chef, Ansible, Docker, Maven, Jenkins, Jira, Kubernetes, etc.• Involved in gathering, analyzing, and documenting business requirements, functional requirements, and data Specifications for application development.

•Involved in all project phases, from analysis and requirement phase to delivering the project. •Created System Requirement Specifications (SRS) report of the project by collecting all the requirements from the client. •Analyzed the requirements and formulated the project scope. •Designed front-end presentation logic using JSP, CSS, and Strut tags. •Implemented client-side validations using JavaScript. Developed various generic JavaScript functions for validations.•Developed internal coding using J2EE technologies based on the MVC Architecture. •Implemented Business Logic using Java, Spring, Struts, and Hibernate. •Designed and developed the REST-based Microservices using the Spring Boot•Achieved Dependency injection by creating Spring services, Spring controllers, and DAOs to wire objects of business classes. •Involved in configuring XML mapping files and POJO objects. •Used Hibernate Transaction Management, Spring/Hibernate Batch Transactions, and Hibernate cache concepts. •Retrieved information from the Oracle database using Spring-Hibernate. •Developed UI screens using JSP, JavaScript•Used AJAX extensively to implement the application's front-end/user interface features•Implemented REST Web services to retrieve data from the client side•Used Multi-threading and caching to improve the user experience• Unit testing through JUnit & Integration testing in the staging environment • Created new tables, PL/SQL stored procedures, functions, views, indexes and constraints, triggers, and required SQL tuning to reduce the response time in the application. • Focused on Test Driven Development, thereby creating detailed JUnit tests for every single piece of functionality before actually writing the functionality. • Scheduled daily status meetings within the offshore team and also used to communicate the same to the onsite team accordingly. • Resolved bugs/defects in the application by coordinating with project team members to assure a positive outcome.

• Gathered system requirements for the application and worked with the business team to review the requirements, and went through the Software Requirement Specification document and Architecture document• Designed UML Class diagrams and Sequence diagrams using Rational Rose• Developed application using Spring MVC, JSP, and JSTL; the business layer is built using spring, and the persistent layer uses Hibernate.• Produced content pages with CSS layout and style markup presentations and used JavaScript methods and properties• Maintained Interface compatibility and concurrency in the project using Java 8 new features like default, static methods, and Concurrency API• Worked in all the application modules, which involved front-end presentation logic developed using JSP, JSTL and JavaScript, Servlets, and spring framework.• Used various Core Java concepts such as Multi-Threading, Exception Handling, and Collection APIs to implement various features and enhancements• Created and injected spring services, and spring controllers to achieve dependency injection and to wire objects of business classes.• Used Hibernate, object/relational-mapping (ORM) solution, the technique of mapping data representation from MVC model to Oracle Relational data model with a SQL-based schema.• Used JSP for the presentation layer, developed high-performance object/relational persistence and query service for the entire application utilizing Hibernate. • Extensively used XML and Java Architecture for XML Binding (JAXB) to map java classes to XML representation.• Developed Docker container-based microservices using Spring Boot and deployment on Kubernetes cluster.• Extensively used Eclipse IDE for developing, debugging, integrating, and deploying the application.• Implemented Web Services with the help of WSDL, SOAP, and JAX-WS to get third-party updates.• Implemented build scripts using Maven to create WAR and deploy an application server.

• Developed the middle tier using Session Bean, Entity Bean / DAO, and Business Objects. The database layer is developed using – Oracle, while the Presentation layer is created using JSP.• Used Web services, Web Processing Service (WPS), BPEL, and REST extensively for the Operations module. In addition, Technologies SOA, SOAP, MTOM, TCPIP, TLS, PKI, WSDL, SAML, XSD, Xpath, JMS, and MDB are also used.• Eclipse is used for application development.• Deployed the packaging on to Web Logic application server.• Contributed to project by working on end-to-end flow - developing JSPs, Servlet, action classes of Spring and to database front by writing various SQL queries and Stored Procedures.• Developed an editor using JFC Swing.• Designed and developed reports using Crystal Reports and JReport.• Used Java Beans for the required JSP components.• Built, tested, and debugged JSP Pages for compulsory modules in the system. In addition, I coded the Taglibs to aid front-end JSP pages.• Deployed the application on the server, including installing My SQL database and setting up JDK and Tomcat.• Developed supporting JAVA classes that controlled the whole flow of the module as per specifications.• Involved in the high-level and low-level designing of the admin and Info center module • Developed an application using JFC Swing for manual data porting from Accounts Payable to Accounts receivable system. • Used Toad and Oracle SQL prompt to interact with the database.• Involved in client interaction for resolving technical and functional issues daily.• Developed the user interface layer using the spring framework.• Business Objects are used for Reports.