Developed robust web applications using Spring Boot, Spring MVC, and Hibernate. Focused on back-end development utilizing Java 17 and newer versions with features like Collections, Streams, Functional Interfaces, Multi-threading, Servlets, Java Beans, and Exception Handling.Implemented RESTful web services using Spring MVC to ensure efficient communication between client and server.Worked extensively with relational databases such as Oracle, Postgres, and MySQL, optimizing data storage and retrieval processes.Deployed Oracle XStore applications on J2EE application servers such as WebLogic, JBoss, and Apache Tomcat.Configured and managed CI/CD pipelines using Jenkins, streamlining the build, test, and deployment workflow for continuous integration and delivery.Leveraged cloud computing platforms for scalable and efficient resource management.Utilized Docker for containerization, ensuring consistent environments across development, testing, and production.Deployed and managed containerized applications using Google Kubernetes Engine (GKE), enhancing scalability and reliability.Developed and optimized queries using BigQuery for efficient data analysis and reporting, integrating insights into business processes.Designed and developed microservices architecture with Spring Boot and Spring Cloud, facilitating modular and maintainable application development.Created dynamic and interactive user interfaces using JavaScript and AngularJS, enhancing the user experience with responsive design and real-time updates.Implemented Spring Batch for processing high-volume data and Spring Cache for improving data retrieval times.Designed and developed scalable microservices to access and manage customer data, ensuring high performance and reliability.

Developed web applications using Spring boot, spring MVC, Hibernate, Back-end coding and development using Java 1.8 Collections, Streams, Functional interfaces, Multi-threading, Servlets, Java beans, Exception Handling etc. Implemented RESTful web services using Spring MVC.Used JavaScript to add animations and visual effects to the UI, enhancing the user experience and making the application more engaging. Created Single Page Application (SPA) using AngularJS. Developed a cross-device/cross-browser web application for real-time location sharing utilizing AngularJS, JavaScript API. Used REST services in the Angular JS page to perform CRUD operations on the database server over HTTP with GET, POST, PUT, DELETE to the Web service. Worked on Java features such as Lambda expressions for making anonymous inline function calls by using Functional Interfaces which makes code readable and concise. Implemented Spring batch to process high volume records, Caching using Spring cache for faster retrieval of the data. Designed and developed a micro-service using Spring Boot and Spring Data for Spotlight to access customer data stored in Amazon Redshift.• Enhanced XStore functionality by building custom modules using Servlets and JSP in the J2EE environment.• Utilized Azure App Services for web application hosting and management, ensuring high availability and scalability.• Performed performance tuning on J2EE applications integrated with Oracle XStore to ensure scalability and reliability.Implemented serverless computing with Azure Functions to optimize resource utilization and reduce operational costs.

Development using Spring Framework (MVC, Dependency Injection, Auto wiring, Caching, Database Connectivity, REST and SOAP Client API, Asynchronous calls, Thread Executor framework) which communicates with various service layers and configuring the spring xml files. Used REST and SOAP Web Services to exchange information. Used Swagger Framework, implementing the Restful API and Swagger gives the rich UI to test API. Configured Maven for Java automation projects and developed Maven project object model (POM) for Unit and integration tests. Microservices are implemented using Spring Boot and Hibernate ORM. Implemented J2EE components using Spring Boot and spring security modules. Used Spring Batch, creating the batch jobs, which runs every day to get the data from other database to our local Oracle 11g database. Responsible for enabling second level cache in Hibernate framework. Used Amazon Web Services (AWS) for TEMP effective implementation of the modular components. Configured the RedHat server on AWS by creating the EC2 instance. Extensive hands-on experience in developing and implementing transactional systems, demonstrating a deepunderstanding of transaction handling and management principles.Proficient in utilizing Java Spring Boot to design and implement reliable and fault-tolerant transactional applications,ensuring data consistency and integrity. In-depth knowledge of database transaction management, including isolation levels, locking mechanisms, androllback strategies, contributing to high-performance and reliable data transactions. Strong expertise in optimizing database interactions for transactional processes, employing techniques such asconnection pooling, batching, and query optimization.

Worked on the entire SDLC life cycle including Requirements gathering, designing the application, and then implementing the design and implemented the application using Agile Development methodology which included daily scrum calls, weekly iterations, user story planning, reviews and grooming sessions. Designed, developed mapping documents, developed the interface and documented the application. Developed User Interface using the HTML, Bootstrap, CSS, JavaScript, and Angular. Used spring framework features like Spring IOC, Spring AOP and Spring Batch. Used NoSQL database Amazon dynamo DB to store data of reporting Application. Used Amazon Cloud Watch to monitor AWS services and Amazon CloudWatch logs to monitor application. Designed front end using JSP, HTML, CSS and JavaScript for Client-Side validations. Involved in implementation of DAO and Service layers. Configured the Controllers, and different Beans such as Handler Mapping, View Resolver etc. Created Hibernate configuration files. Expertise on using Amazon AWSAPI tools like: Linux Command line, puppet integrated AWSAPI tools. Developed Micro-Services based architecture to enable the application to be deployed on AWS Cloud.

Created and configured the continuous delivery pipelines for deploying Microservices and Lambda functions using Jenkins CI server. Developing RESTFUL web services using spring boot, Spring RESTFUL template, JPA, Cloud Foundry. Implemented Spring MVC controllers, configured using Spring MVC annotations and configuration files. Developed the modules using Servlets, Java j2EE and JDBC for connecting with MySQL. Performance tuning of JVM heap size, Garbage collections, java stack and Native thread & production performance. Used Node.JS to make the web application Scalable and efficient with the help of its event driven architecture and available non-blocking I/O API's. Developed REST web services using Spring MVC to extract client related data from database and used SOAP UI for testing these RESTFUL API web services. Worked with DB2 and Wrote SQL Queries, stored Procedures, triggers, and integrated SQL Queries into DAO. Deployed the application on Apache Tomcat Application Server. Proficient in developing end-to-end solutions for Capital Markets using Java Spring Boot 3 and Angular. In-depth knowledge of financial markets, trading platforms, and risk management within the Capital Markets domain. Part of the development and maintenance of financial applications within the Capital Markets domain, incorporatingJava Spring Boot 3 for backend services and Angular for front-end interfaces. Collaborated with cross-functional teams, including financial analysts and business stakeholders, to gatherrequirements and design solutions that meet the unique needs of the Capital Markets industry.

Responsible for designing and developing microservices using Spring Boot framework. Deployed the microservices on AWS cloud with DevOps tools. Reviewed other developers microservices PR’s and designing the architecture for new Microservices. Designed and developed SPA applications and integrating with Microservices developed using Spring boot framework. Designed, developed, implemented, and maintained a series of programs, subsystem, revision and enhancement of current system. Responsible for identifying and designing the business services to the given use cases. Performed CRUD operations like Update, Insert and Delete data in MongoDB. Designed, developed the Micro Services using Spring framework and designed the application for Convey architectural solutions to all levels of professionals and leaders.