Engaged in the design, development, and implementation of business applications using Java/J2EE technologies.Led the migration initiative from Java 1.7 to Java 1.8, harnessing the latest features and enhancements of the updated Java platform.Continuously pinpointed opportunities for optimizing performance and refactoring code, guaranteeing adherence to best practices and industry standards.Took an active role in the modernization of the existing codebase, integrating design patterns and architectural enhancements to foster scalability and maintainability.Executed database optimization techniques, incorporating indexing strategies and query optimizations to elevate the overall performance of the database.Extensively collaborated with the database administration team, orchestrating the scaling of Aurora/PostgreSQL databases to align with evolving application requirements.Regularly conducted evaluations of AWS resource usage, optimizing configurations to effectively manage costs.Employed innovative cost-saving strategies that preserved system performance and scalability.Collaborated seamlessly with the team to design and implement event-driven microservices architecture, guaranteeing efficient communication and data flow between components.Engaged closely with cross-functional teams, fostering collaboration among DevOps, QA, and business analysts to seamlessly integrate new features and functionalities.Thoroughly documented Java version migration, database changes, and Kafka implementations, ensuring comprehensive knowledge transfer within the team.Engaged actively in Agile methodologies, contributing to the overall efficiency of the development process by attending sprint planning, daily stand-ups, and retrospective meetings.

Engaged in multiple phases of the Software Development Life Cycle (SDLC), encompassing requirement gathering, modeling, analysis, and architecture design & development.Developed and sustained Java-based web applications, utilizing Spring MVC, Hibernate, and JSP to ensure seamless user experiences.Enhanced code modularity and maintainability by implementing Dependency Injection (DI) and Aspect-Oriented Programming (AOP).Accelerated microservices creation and deployment using Spring Boot, thereby improving application scalability and performance.Deployed AWS services like S3 and EC2 for storing, managing, and deploying application resources, ensuring high availability.Integrated Lambda expressions to simplify code and enhance readability within functional programming paradigms.Collaborated with Oracle and Cassandra databases to design, develop, and optimize data storage solutions for efficient data management.Crafted dynamic front-end interfaces with HTML, CSS, jQuery, and Angular, elevating user interaction and visual appeal.Implemented XML and JSON for seamless data exchange between the front and back end, ensuring effective communication.Utilized JMS (Java Message Service) to facilitate asynchronous communication between components, thereby improving system responsiveness.

Designed and developed a custom, single-page, responsive Web Application on front end using Angular Build microservices for the delivery of software products across the enterprise.Developed server-side application to interact with database using Spring Boot and Hibernate.Designed and developed UI of application modules using CSS, jQuery, AJAX, JSON, and DOJO.Deployed applications in AWS EC2 instances, created snapshots for the data that must be stored in AWS S3.Used Jenkins pipelines to drive all microservices builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes.REST API's development with Spring Boot, configuration, and maintenance of Microservices with CXF.Implemented Spring Transactions along with Spring ORM for Database transactions.Moved the project to Java 8 to extensively use Lambda expressions and have better connectivity to Cloud in addition adding Spring Boot Libraries and UI Enhancement.Created Components using Struts, JSP and Servlets.Preparing the XML schema for the cross-commit XML structure.Deployed Spring Boot-based Microservices Docker container using Amazon EC2 container services and using AWS admin console.

Involved in the analysis, design, and development phase of the application. Created Class, Activity, and Sequence Diagrams using the IBM Rational Rose modelling tool. Responsible for creating efficient design and developing User Interaction screens using Angular. Highly involved and created the action classes, action interceptors, and business services. Developed the presentation layer using JSP and Servlets with a RAD tool.Used Spring Framework for MVC and JMS.Designed and implemented the User Interface using Core Java, HTML 5, CSS3, JavaScript, and Angular JS. Used the collection framework, Multithreading concepts and used the java reflections extensively. Used java reflection to eliminate the dependence in the project.Used JavaScript, Angular for front-end user input validations and Restful web service calls. Developed and deployed UI layer logics using JSP, Angular, and JavaScript.HTML.Used Spring Core for middle-tier development to achieve inversion of control.Used Spring for implementing (Data access objects) DAOs.Used Java Message Service (JMS) for the loosely coupled, reliable, and asynchronous exchange of patient treatment information among J2EE components and legacy systems.

Involved in the analysis, design, and development phase of the application. Used spring modules like Spring MVC, Spring Boot, Spring IOC, Spring DAO, Spring AOP and Spring Batch.Analysis, design, and development of Application based on J2EE and Design Patterns. Used the Struts framework for managing the navigation and page flow. Created templates using design patterns Business Delegate, Service Locator, Session Facade extensively. Used JDBC for accessing the data from the DB2 database. Worked on Registration, Recovery and Service contracts modules. Followed architectural standards and coded Request Handlers, BO, DAO, SQL Helper classes.