responsibilities and contributions:Utilized Scrum methodology, actively participating in Agile ceremonies including Daily Scrum, Sprint planning, and Retrospectives.Led the development of critical microservices like the "Unmatched Handler" using Spring Boot, enhancing transaction reconciliation in transportation systems.Developed RESTful web services using Java 17, Spring, Spring Boot, and Hibernate, enabling data storage and retrieval from PostgreSQL databases.Designed and implemented frontend applications using HTML5, CSS3, Angular, React, and Node.js to provide dynamic user experiences.Integrated and developed web services and interfaces using Spring, Angular, and Reactive frameworks, including third-party modules for user dashboards.Provided extensive support to the QA team by developing automation tests and defining test cases for software reliability and performance.Implemented custom exceptional handling for API consumers, easing error management Deployed applications using CI/CD pipelines with tools like Jenkins and AWS, configuring resources like JDBC providers and data sources.Configured Docker environments for consistent testing across different layers and utilized logging frameworks like Log4J and monitoring tools like Splunk and Grafana.Collaborated with testing teams to develop cucumber-based automation test cases and performed frontend testing using Karma, Mocha, and Jasmine.Orchestrated AWS infrastructure setup for hosting microservices, collaborating with network engineering teams for subnet creation and security group implementation.Designed and deployed microservices on AWS cloud platforms using automated processes with services like Lambda, EC2, S3, CodeDeploy, and CodePipeline.Implemented Kafka producer and consumer applications on Kafka clusters, ensuring smooth message processing using Spring Kafka API.Conducted end-to-end server communication flow testing and performed unit testing with JUnit and Mockito.

• Utilized Scrum methodology, attending Daily Scrums, Sprint planning, and Retrospectives.• Collaborated with the team in story grooming and development.• Developed RESTful web services using Java 17, Spring, Spring Boot for data storage and retrieval.• Employed Spring Data JPA, Hibernate for transactions with PostgreSQL.• Utilized JavaScript, JQuery, JSON, Bootstrap, Node.js, AngularJS, React, Backbone.js for scripting.• Designed frontend with HTML5, CSS3, SCSS, Bootstrap, Angular 7/9, implementing dynamic validations.• Integrated web services and interfaces using Spring, Angular, Reactive frameworks.• Developed SPAs with Angular, React, NodeJS for dynamic content loading and performance.• Implemented custom exception handling for efficient error management.• Used Spring Boot for building and configuring applications, integrated with Jenkins.• Implemented Spring JPA, ORM for database interactions and Spring Security for authentication.• Configured WebSphere resources and setup CD/CI pipelines using AWS, Jenkins, Shell Scripts.• Consumed REST and SOAP Web Services for external API integration.• Configured Oracle Database functions, procedures, and Active MQ for message processing.• Utilized Docker for local environment setup and Log4J, Splunk, Grafana for logging and monitoring.• Guided testing team in developing automation test cases with Cucumber.• Managed Use Cases, Design documents, and coordinated with development and QA teams.• Conducted front end testing using Karma, Mocha, Jasmine.• Hosted microservices on AWS using Jenkins CI/CD pipelines, managed AWS infrastructure.• Designed and deployed microservices on AWS using Lambda, EC2, S3, CodeDeploy, VPCs.• Implemented Kafka producer and consumer applications with Spring Kafka API.• Tested end-to-end server communication with load balancers.• Utilized JUnit test cases (using Mockito) for application testing.• Employed GitHub Enterprise for version control.

Global Payment Systems, a major payment processing provider, tasked our team with developing a robust application for seamless transaction processing. Responsibilities included Java, J2EE module design and coding, mentoring team members, and ensuring timely project delivery. Utilized technologies such as Spring, Hibernate, JPA, EJB, HTML, CSS, JavaScript, AJAX. Mentored team on latest tech, architecture. Designed dynamic UIs with Angular, Bootstrap, Vue.js, and integrated with web services. Employed Spring MVC, JSTL, Struts, Maven, Gradle for build creation. Implemented Restful Web services with Spring, Spring Security, OAuth2. Integrated message brokers like Rabbit MQ, Active MQ for microservice architecture. Utilized Swagger for API documentation, Hibernate for ORM, and Splunk for monitoring. Deployed on AWS EC2, Lambda, S3, RDS, SQS, Cloud Formation. Utilized Spring AOP, SOAP, JAX-WS, JAX-RS, JNDI, Selenium, Jenkins for CI/CD pipelines. Tested with JUnit, Log4j, PostgreSQL, Groovy/Grails, and Kafka. Managed security with LDAP integration, JMS, and Spring JMS. Environment included Java 8, Linux, SQL, HTML5, Bootstrap, Angular, Oracle, JIRA, Kafka, AWS, OpenShift, Git, Jenkins, Splunk.

• Participated in daily scrum meetings, sprint planning, and calls.• Prepared high-level technical and low-level design documents.• Interacted with business analysts to translate requirements.• Customized various modules including Purchase Orders, GL, AR, AP, etc., using OBIEE 11g.• Created Dashboard prompts and filters.• Designed application following UML Methodology.• Developed front-end GUIs using XHTML and JSPs.• Designed Restful Web Services using Spring Rest API.• Utilized Hibernate ORM for persistence logic.• Worked in Agile environment with JIRA and Kanban.• Developed using Spring MVC, Spring Boot.• Designed UI with Angular JS, HTML5, CSS3, JavaScript, JQuery, AJAX, JSON.• Used JQuery, AJAX, and JSF for interactive web pages.• Implemented Apache Struts MVC framework.• Developed CMP Session and Entity Bean components.• Designed connection pooling classes.• Implemented servlet clustering for load balancing.• Developed Micro Services with Spring Boot, CI/CD using Docker and Jenkins.• Connected to Oracle DB using JDBC.• Wrote stored procedures and triggers in PL/SQL.• Generated PDF reports using XML-FOP.• Used CVS for version control.

• Analyzed user requirements, used application development tools to develop customizedcomputer systems and executed testing plans.• Designed and developed web applications using Struts, Spring MVC and Spring JDBC.• Developed the UI using JSP and struts tags.• Developed Controllers, Service Classes and DAO based on MVC architecture.• Worked with Informatica tool to extract the transformations applied and converted them into java code.• Designed and developed the UI using Struts view component, JSP, HTML, CSS and JavaScript, AJAX, JSON.• Designed and developed web pages using with HTML, DHTML, XHTML, CSS3, Ajax, JSP and JQuerybased on the W3C standards and Web 2.0.