• Participated in Requirements Analysis, Design and Development phases of the project and worked in Scrum Methodology.• Used Core java for development of different components.• Developed the application using Core Java, Multi-Threading, Collections, Spring Boot, JDBC transaction and Batch.• As a developer, created a script to validate the efficiency and fall back of new Cloud database using Jenkins tools.• Extensively used Java 1.8 Spring Framework modules like MVC, DI (IOC), Auto Wiring, Spring Boot and AOP.• Used spring's test framework to create integration tests for various spring boot and spring batch applications.• Implemented Microservices architecture using Spring Boot for making application smaller and independent.• Created Server instances on AWS. Tomcat, Swagger and Hawtin are installed and used for deploying Micro-services.• Involved in writing the microservices in Spring Boot application with spring annotations.• Converted a monolithic app to microservices architecture using Spring Boot using 12 factor app methodologies. Deployed, Scaled, Configured, wrote manifest file for various Microservices in PCF.• Extensively worked with spring frameworks and hibernate. Written spring beans Hibernate mapping files.• Used JMS to exchange information over reliable channel in an asynchronous way by using ActiveMQ as a message queue.• Used XML technologies like XPath, XSLT and JAXB for data exchange and presentation.• Involved in Business Process and Decision Management Design using JBoss Drools Rules Engine.• Experience working in and building Continuous Integration (CI) and Continues Deployment (CD) by building custom build and deployments jobs in Jenkins.• Integrated the different pages to be a single page application using Angular 4 and Typescript.• Experience on AWS Deploying, managing and operating scalable, highly available, and fault tolerant systems and managed continuous delivery systems and methodologies on AWS.

• Developed application on Spring5 framework by utilizing its features like dependency injection, Spring Beans, Spring data, Spring AOP, Spring Security, Spring boot, Spring batch, Spring Web flow using MVC. • Developed persistence layer integrating Hibernate with spring support and used Spring JDBC for lightweight database operations.• Enhanced the application to use Spring JPA instead of Spring JDBC.• Utilized Apache Kafka for publishing and consuming the events.• Used Spring Boot for building Micro services and developed spring based application radically faster with very less configuration interacting through a combination of REST and Apache Kafka message brokers.• Implemented and exposed the Micro services (based on REST API) utilizing Spring Boot with Spring MVC.• Implemented REST based web services using JAX-RS annotations, Jersey provider and consumed using HTTP services from angular6&8 modules.• Used Hibernate Annotations for Mapping Objects to Tables, hibernate features such as Lazy Loading, Hibernate Query Language (HQL), Criteria and Pagination.• Utilized MongoDB for storing the failure responses.• Involved in all phases of SDLC like Requirements Gathering, Design, Analysis and Code development utilized Angular JS components, filters, services, bootstrap to support Desktop and mobile versions.• Involved in Angular6&8, HTML5 and CSS3 code optimization, DOM loading and cross browser compatibility designed Prototype and project layout skeletons using CSS3, Typescript and HTML5.

• Upgrading existing UI with HTML5, CSS3, Typescript and Bootstrap with Angular Js interaction.• Application is implemented using Agile methodology where there is a daily SCRUM meeting to understand the status and resolve any issues.• Working on Amazon Web Services (EC2, ELB, VPC, S3, Cloud Front).• Management, AWS Cloud Watch, Lambda, Amazon EBS and Amazon Cloud Front.• Server's, Domain's and Database's migration on Amazon Web Services.• Involving in analysis, specification, design, and implementation and testing phases of Software Development Life Cycle (SDLC).• Developing and upgrading applications with Core Java Concepts like Swing, AWT, Graphical User Interface, OOP, Exception Handling.• Followed Agile development methodologies like Test Driven Development (TDD), SCRUM, and Pair Programming.• Good Knowledge in developing Express, working with Microservices backend with RESTful, Graph QL, gRPC etc.• Using Web services like (SOAP / REST), JSF, JavaScript, J2se SDK Business Process Management (jBPM) tool, Collections, and Multi-threading.• Deploying of artifacts and J2EE applications on Cloud Foundry(PCF) by using Jenkins.• Implementing the application using Spring ICO, Spring MVC Framework, Spring Batch, Spring Boot and handled the security using Spring Security.

• Involved in design, development and testing phases of the SDLC using Agile Methodology.• Developed Use Case Diagrams, Object Diagrams and Class Diagrams in UML using Rational Rose.• Used AJAX API for intensive user operations and client-side validations. • Designed and developed Micro services platform to support a multitude of enterprise level• applications.• Developed user interface using JSP Tag libraries, third party libraries and Java Script to simplify the complexities of the application and developed the User Interface using HTML, CSS, Typescript, jQuery and Ajax. • Developed application using Struts 2.0 MVC Framework wrote Configuration XML file that contains declarations and another dependent object declaration.• Inserted Dependency Injection between components using Spring's (IOC) concept.• Used Multithreading in programming to improve overall performance using Singleton design pattern in Hibernate Utility class.• Hands on modern web application technology, framework/Library such as HTML, CSS, JavaScript, VueJS, ReactJS, React Native, MVC, Graph QL, NodeJS.• Designed REST API for logging front end errors occurring in Angular JS, Tableau dashboards and those logs were harvested and reported through Elastic search tools.

• Involved in Analysis, Design, and Implementation of software applications using Java, J2EE, XML and XSLT and Web Services (SOAP, WSDL). • Implemented Agile Methodology as part of project requirement changes. • Implemented J2EE design patterns like Singleton and Session Facade. • Developed Facade classes to encapsulate the business logic and hide the implementation details of the data access classes.• Used wide implementation procedures in order to disintegrate whole monolithic application• into loosely coupled reusable Micro services.• Build test cases for web services using Mockitto, Junit and containerize the application using Docker. • Developed application using Spring MVC, JSP, JSTL and AJAX on the presentation layer, the business layer is built using spring and the persistent layer uses Hibernate.• Designed and Developed UI for Portfolio Review Dashboard application using HTML5, CSS3, Bootstrap, Typescript, JSP, JavaScript and JQuery. • Implemented all the components of Spring Frame work (Controller classes, Spring Bean Configuration file (dispatcher-servlet.xml). • Used Angular Http services for asynchronous validations for the input fields of the forms with the data existed in the database.

• Designed and developed the application using Struts Model View Controller (MVC) design Pattern.• Developed Struts Action Forms, Action classes and templates and performed action mapping in struts.• Develop GUI related changes using JSP, HTML and client validations using JavaScript.• Coded JavaScript for AJAX and client-side data validation.• Developed an automated application using JMS for messaging and JNDI to interact with the Server.• Implemented Service locator pattern to invoke EJBs through Struts.• Used JMS API for asynchronous communication by putting the messages in the Message queue. • Configured the data mapping between Oracle and SQL Server and tested performance accuracy related queries under SQL Server.• Used Angular libraries like angular-UI-router, angular-resource to create the effective single page application and used angular-cookies to temporarily store the data used in this application.• Developed Bootstrap responsive web application pages using Angular.JS&2, services, controllers and directives for front end UI and consumed RESTful web service API.