• Developed and maintained enterprise-level web applications using Java, J2EE technologies (Servlets, JSP, JDBC), and the Spring framework.• Implemented responsive user interfaces using HTML5, CSS3, and Bootstrap, ensuring cross-browser compatibility.• Extensively worked on Java 8, Microservices, Sprint Boot, and Pivotal Cloud Foundry (PCP) cloud structure.• Created REST Microservices increasing speed and reliability of existing infrastructure. Continue to maintain several Microservices and update older Java/Struts 1.1 systems• Develop RESTful Microservices using Spring Boot• Utilized JavaScript, jQuery, and React.js to enhance user interactions and provide dynamic content.• Designed and implemented RESTful APIs to facilitate seamless communication between the frontend and backend systems.• Written Kafka REST API to collect events from front end• Consumed the data from the Kafka queue to Spark Streams. Configured different topologies for the Spark cluster and deployed them regularly• Developed RESTful Web Services using Spring Boot to read data from the client side and process business logic using microservices architecture• Leveraged Spring Boot for rapid development of cloud microservices and Spring-based applications with minimal configuration.• Practiced test-driven software development and utilized JUnit for writing and executing repeatable tests.• Utilized Git and GitHub for version control, maintaining code components, and managing releases.• Assisted in database design and utilized MySQL for efficient data storage and retrieval.• Created and configured EC2 instances on Amazon Web Services (AWS) to establish cloud clusters and utilized S3 buckets for application storage.

• Involved in client requirements gathering, analysis, design, development, and testing of the application using the Agile methodology (Scrum).• Designed various modules utilizing CSS Media Queries, HTML5, AJAX, JSON, and JavaScript to create responsive and dynamic user interfaces.• Real time Microservices development experience using Cloud based DevOps solutions like AWS. Deployed application on Tomcat server, which is run on AWS cloud. • Deployed Spring Boot-based Microservices Docker container using Amazon EC2 container services and using AWS admin console. • Consumed the data from the Kafka queue to Spark Data Streams. Configured different topologies for Spark cluster and deployed them on regular basis• Used Spring Boot Actuator to monitor and manage the application in production environment.• Configured Hibernate to establish session factory and sessions, utilizing MySQL Workbench and Query Browser utilities for efficient database operations.• Closely worked with Kafka Admin team to set up Kafka cluster setup on the QA and Production environments.• Conducted unit testing using JUnit and integrated Jenkins for continuous integration and deployment.• Implemented application using spring boot framework and handled the security using the spring security.• Implemented authentication and authorization mechanisms using Spring Security for secure user access.• Managed bug tracking and issue resolution using JIRA on a daily basis.• Configured the Git repository for version control using Git and regularly pushed code to GitHub for collaboration and code management.• Collaborated with the UX team to create responsive designs and deliver a user-friendly experience.• Investigated and resolved production issues promptly, ensuring high availability and minimizing downtime.