● Developed the single-page application following Agile Scrum, participated in dailystandups, sprint reviews, Kickoffs, and used Rally for project management.● Implemented functional programming using Java 8 with the help of new features suchas Lambda expressions, Stream, Default methods. Also, refactored old java code to Java8+.● Configured JBOSS Application server and used Oracle database with Hibernate ORMframework and used the functionalities of Hibernates second level EHCache.● Involved in Software Development Life Cycle for gathering requirements, Analyzing,Designing, Developing, and Testing applications using Agile methodology. ● The application is built in Micro Service Oriented Architecture using MEAN 4+(Mongo, Express Angular 8.0 and Node) stack and developed Single PageApplications (SPA).● Developed multiple Angular 11.0 components that are compatible with the latestversions of typescript, angular CLI.● Used different transformers, exception handling, testing & Security of MuleSoft ESBendpoint through OAuth. ● Implemented Java11 features like Lambda expressions, Streams, filters, pipelines,Optional Interfaces, etc.● Used AngularJS frontend to integrate REST endpoint for client.● Hands-on experience using ODM frameworks to connect asynchronous environmentswith Mongoose Connector and Cassandra Node Driver.● Worked with KAFKA Zookeeper for managing the cluster with broker/cluster

 Participated in various phases of Software Development Life Cycle (SDLC) of theapplication, as Requirement gathering, Design Analysis, and Code development.Developed the business layer logic and implemented EJBs Session beans. Implemented Java and J2EE Design patterns like Business Delegate and DataTransfer Object (DTO), Data Access Object and Service Locator. Designed and developed a web site application using Spring Boot, Hibernate, MVCframework and RESTful APIs. Worked on AOP (Spring) for logging the details in the database. This is used forApplication-level logging and data can be used for analysis in later stages. Designed application in layered approach like Presentation, Service, DAO, Utils andTest modules. Design and implementation of business logic and data processing routes. Used Singleton, Spring MVC, Hibernate, Factory Pattern and DAO designpatterns. Developed common XML schema's (XSD) as client contracts used to publish Top-Down approach-based Web Services Developed REST-Web services in a Service Oriented Architecture (SOA) consistingof the integration tier with Web services external to organization, middle tier withSpring Application Framework. Integrated Kafka with Flume in sand box Environment using Kafka sourceand Kafka sink Designed and implemented Hibernate Annotation-based persistence layer forbackend. Used Criteria, HQL and SQL as the query languages in Hibernate Mapping.Integrated the Spring and Hibernate framework.