-Initially we have used Node.JS/Express.JS to mock REST services and built the UI app using that mocked backend; but later we integrated with the real backend system and coordinated with server-side development team. -Using Java features in developing the code like Lambda expressions, creating resource classes, fetching documents from database. -Created POC for Spring Batch for running batch jobs. Documented how Spring Batch is useful for the current project. -Deployed and configured Firewall Appliances (Barracuda, Palo Alto, Fortinet) to secure Azure Cloud-Have worked on AWS for fetch the pictures and Videos from AWS to UI. -Worked the backend by using Node JS, express JS and Mongo DB. -Worked on Angular 9, 10 technologies for one complete project in rebasing the UI of the application using the techniques in Angular 9, 10. -To manage the data flow in the risk management applications we use Angular 12.-We upgrade applications in Angular 12 latest version to improve the performance and resolving peer dependencies in Node packages when performing the upgrade.-Implemented initial setup of angular 8/9 application with node and npm modules. -Implement user authorities' management with Spring Security. -Currently working on developing Server less functioning using AWS lambda with JAVA 8 and 10. -Design and manipulation of JBPM process for the client activities in order to manage the people queue for each activity. -Implemented layout of front end web page with angular components and created angular services to interact with backend java application. -Demonstrated experience working with (consuming) REST or GraphQL APIs via client side JavaScript or server side via NodeJS -Established Database Connectivity using JDBC, Hibernate O/R mapping with Spring ORM for MySQL Server. -Written Map reduce and Spark codes in Java to run a sorting application on the data stored AWS. -Good knowledge in deploying the application jar files into AWS instances.

-Integrated Spring and Hibernate together and worked on developing backend components and services using Hibernate and Spring. -Used Azure tool for the deploying for the cloud and store the data into the cloud.-Also, used Azure Red Hat Openshift to deploy our application on to the develop environment. -Streamlined installation of OpenShift on partner cloud infrastructure such as AWS and Azure.-Extensively used HQL and SQL for querying databases. -Designed and implemented database and associated RESTful web service that persists high-volume user profile data for vertical teams. Migrated high-volume OLTP transactions from Oracle to Cassandra in order to reduce Oracle licensing footprint. -Developed Message Driven Bean for asynchronous sending Messages using JMS. -Consumed Web Services to interact with other external interfaces in order to exchange the data in the form of XML and by using SOAP. -Used Spring Batch and Hibernate for creating batch jobs to read multiple formats of data and write it into flat file. -Used J-Unit Testing and Ant Scripts. -Developed UNIT test cases using JUNIT and Mockito and configure through Maven surefire plugins to be part of continuous integration. -Making reproducible framework situations for the microservices engineering. Created a Request for Proposal (RFP) microservice providing RESTful API using Spring MVC and Spring Boot. -Used JIRA for tracking the Project Stories in AGILE Methodology. -Implemented Spring Batch and Spring Task Scheduler to automate importing data from CSV files sent from client into DB2 database.

Used spring boot Actuator to externalize application's configuration properties for different environments. Worked on the development of the Language Manager application using Portlets, Struts, SQL Server, Hibernate, etc. Used Spring Batch with Spring Boot framework for developing a batch application for Loyalty Rewards. Built restful web services using MongoDB/Node.JS and implemented the front-end using jQuery and Angular.JS 6 controllers, directives, and service. Involved in doing POC such as MongoDB and Spring Boot Technologies. Debugged and solved problems on several applications based on different technologies. Worked on the validation of forms and user authorization using authorization tokens with JavaScript and jQuery and Bootstrap for styling UI Interface of the application. Participated in the design of the database tables in MySQL to store information of the clients and their project details after Normalization of the database schema. Implemented the concept of smart tables in AngularJS. Helped in fixing the bugs found in unit testing and integration testing by the QA team. Developed UI pages with JSP, Spring MVC, HTML5, CSS3, JavaScript, JQuery, and used Boot Strap for creating Responsive Web pages. Created AngularJS Controller which isolate scopes perform operations in UI. Develop unit test using Karma and Jasmine. Followed strict patterns of RA team for unit test cases with jasmine. Used Drools Decision table using excel sheets with a Spring MVC project. Used JENKINS for continuous integration(CI) and continuous deployment(CD).

-Involved in Scrum meetings, Sprint planning and estimation of the tasks for the user stories.-Involved in various SDLC phases like Requirement gathering, Design, Analysis and Code development. -Used XML Web Services using SOAP protocol to transfer the amount to other application that is remote and global to different financial institutions-Wrote code Web Services (JAX-WS) for external system via SOAP/HTTP call and to fetch data from web services via JSON response and updating HTML pages.-Used Web services (SOAP, REST) for transmission of large blocks of data over HTTP.-Implementing a Continuous Delivery framework using Jenkins, CHEF, Maven in Linux environment.-Experience with CI (Continuous Integration) and CD (Continuous Deployment) methodologies using Jenkins.-Experienced with automating release process using Maven, Jenkins, and Jira as tools in diversified project environment.-Responsible for design of WSDL files and schemas. Designed and hosted SOAP based Web Services.-Working on AWS Auto Scaling for providing high availability of applications and EC2 instances based on the load of applications by using Cloud Watch in AWS.-Used Java8 features like stream and Lambda expressions.-Maintained Interface compatibility and concurrency in the project using Java 8 new features like default, static methods and Concurrency API.-Implementing a Continuous Delivery framework using Jenkins, CHEF, Maven in Linux environment.-Experience with CI (Continuous Integration) and CD (Continuous Deployment) methodologies using Jenkins.-Experienced with automating release process using Maven, Jenkins, and Jira as tools in diversified project environment.-Experienced in all phases of SDLC using JAVA, J2EE (Servlets), MVC Framework, Spring, Hibernate, XML, JDBC, Webservices, SOAP, REST, WSDL, XML, Linux technologies.

-Developed web application based on J2EE Spring framework, Implemented Java and J2EE Design patterns like Business Delegate. -Involved in the analysis, design, and development and testing phases of application using AGILE SCRUM methodology. -Implemented MVC architecture application using Spring, JSP & Java beans.  Extensively Used JavaScript and Ajax to provide the users with interactive, Speedy, functional and more usable user interfaces. -Extensively worked with Hibernate Query Language (HQL) to store and retrieve the data from Oracle database. -Implemented application level persistence using Hibernate and spring. -Designed the Front-end screens using JSP, HTML, CSS and JSON. -Created and maintained the configuration of the Spring IOC Container. -Developed Business Layer and DAO Classes and wired them using Spring Framework. -Integrated spring (Dependency Injection) among different layers of an application -Integrated Hibernate with Spring for persistence layer. -Configured Struts, Hibernate framework with Spring MVC. -Used GIT for source code maintenance. -Created custom readers, processors, Validators, Field Extractors for various Spring Batch application. -Used spring batch framework to create custom readers and writers to work with the application. -Integrated version controller-GIT with the spring application to connect the GIT server and managing the code. -Used Spring AOP for cross cutting concerns like logging and exception handling. -Created various spring boot and spring batch applications to connect them to various databases and created queries to retrieve data and modify the tables for the databases. -Created REST web services for populating and saving data from/to database. -Used Web services - WSDL &SOAP for getting credit card information from third party. -Involved in the Maintenance and Code changes from existing code, Support of the System. -Involved in the configuration management using SVN

-Applied OOAD principle for the analysis and design of the system. -Developed Spring batch jobs for importing xml data in to database and for email notifications. -Applied J2EE design patterns like Singleton, Business Delegate, Service Locator, Data Transfer Object (DTO), Data Access Objects (DAO) and Adapter during the development of components. -Developed front-end screens using Struts, JSP, HTML, AJAX, JQuery, JavaScript and CSS. -Developed Struts Action Forms, Action classes and performed action mapping using Struts. -Performed data validation in Struts Form beans and Action Classes. -Developed POJO based programming model using spring framework. -Used IOC (Inversion of Control) Pattern and Dependency Injection of Spring framework for wiring and managing business objects. -Used Hibernate framework for Entity Relational Mapping. -Implemented Asynchronous messaging between System Integration components using JMS [Spring JMS Template]. -Used Web Services to connect to mainframe for the validation of the data. -SOAP has been used as a protocol to send request and response in the form of XML messages. -WSDL has been used to expose the Web Services. -Implemented business logic on server-side as Entity Beans and Session Beans. -Developed code to call stored procedures using Spring JDBC. -Designed and developed access logging using Spring AOP and log4j debugging for services access report and audit purpose. -Implemented micro services based architecture using Spring Boot interacting through REST API. -Developed stored procedures, Triggers and functions to process the data using PL/SQL and mapped it to Hibernate Configuration File and also established data integrity among all tables. -Administered and deployed applications into JBoss Server. -Developed JSON services JAX-RS and JSON documentation using Swagger API. -Created tables and worked on My SQL and PL/SQL to write Stored Procedures functions and package

-Responsible for implementing the process for sending/receiving messages through JMS message queues to/from various systems. -Worked on low-level design and development of new features. -Ensure appropriate application of Software life cycle and serve for the software system -Struts is used as base framework to control the application flow, OR mapping tool Hibernate is used for the interaction with database Oracle and Spring beans are used for controlling the flow between Business layer and Hibernate,while JSP's formed the UI for the application.-Involved in developing interface for web pages like user registration, login, registered access control for users depending on logins using HTML and Java Script/DOJO. -Designing the project flow in UML.-Used JSF to build a Web Application for Administration purposes. -Implemented Session Management using Session Factory in Hibernate.-Implemented user coverage based on 8-digit or 5-digit postal code by using SOA services and WSDL. -Implemented components using JSF RichFaces3.3 Final API. -Design and develop user interfaces using JSP, JavaScript and HTML.-Developed Java Servlet on server side for handling requests and responses from the Web pages. -Implemented the XML binding functionality using JAXB. -Implemented unit tests and code reviews using Junit. -Migrating and deploy the application on Tomcat server. -Performed code review and test cases review for the developed features. -Written test cases for unit testing the code using JUnit testing Framework. -Developed Stored Procedures, Triggers and Views to populate the database Oracle and maintained the data integrity. -Did performance analysis on the code and carried out code refactoring on the existing code.