• Agile methodology for application development.• Hibernate for object-relational mapping and persistence.• Spring Data JPA, SWING, J rules, Groovy, microservices, Spring Boot, for CRUD operations.• Python for application service components and Spring IOC, SWING.• Action Controllers, Python SOA Interceptors for client validations.• Spring Interceptors for web service request validation and notifications.• i18n and i10n for multiple language support.• Spring Boot and Bootstrap for RESTful Microservices.• Spring MVC and Spring REST Controllers for REST API development.• Object-oriented design, Java concepts, C++ concepts, Collections, Multithreading, Exception Handling, SWING with Python.• HTML5, SOA, CSS3, JavaScript, Angular JS, NodeJS for user interface changes.• JUnit for unit testing, Log4J for logging and debugging.• Maven scripts for application build and deployment.

• Designed class diagrams, sequence diagrams, and high-level technical documents using UML.• Implemented Java, C++, and J2EE design patterns, including Business Delegate, DTO, Data Access Object, and Service Locator.• Utilized Spring MVC, Oracle 11g, annotations, and XML configuration for Dependency Injection, JavaScript, and SWING.• Implemented Spring security for authentication and authorization.• Used Hibernate for persistence and implemented various database queries in the DAO layer.• Configured Hibernate second-level cache and developed REST web services using microservices, JavaScript, SWING, Spring boot, Hibernate, Oracle 11g, JAX-RS, and JAXB.• Implemented features using Core Java concepts like multi-threading, Spring boot, exception handling, and Collection APIs.• Extensively used UI concepts like TypeScript and React JS with SWING.• Worked on Apache Tiles for dynamic JSP page generation and reusable JSPs.• Developed UI using Spring View, microservices, JSP, HTML, CSS, JavaScript, SWING, and AngularJS.• Collaborated with the testing team for functional testing.• Utilized Jenkins for continuous integration, application building, testing, and deployment.

Involved in various SDLC phases, including design, development, and testing. Utilized Rational Rose for creating use case, object, class, and sequence diagrams. Designed front-end using HTML, CSS, JSP, Servlets, JSTL, Ajax, and Struts. Developed CSS sheets for UI components and Struts validation classes. Implemented Hibernate for persistence and JavaScript for web page validation. Created Servlets to route submissions to EJB components and render retrieved information. Developed EJB components, session beans, and entity beans for business functionality. Implemented the Email module, including JMS message queue, email client, and message-driven beans. Used Apache Axis for Web Service consumption. Developed base/helper/utility classes for Spring access. Wrote ANT scripts for application artifact building. Monitored error logs using Log4J and fixed issues. Utilized XML with SAX parser for data transfer between applications. • Wrote PL/SQL stored procedures, prepared statements, and used APIs.• Unit tested using JUnit.• Created test documents and code reviews.• Deployed application components on WebSphere Application Server.• Contributed to creating a Database Management System using ORACLE stored procedures, functions, and triggers.