• Worked on Swagger API and auto-generated documentation for all REST calls.• Implemented persistence layer using Spring JDBC template to store the data in Oracle database. • Involved in maintaining and updating the procedure for ETL process. • Used Oracle as database and Involved in the development of PL/SQL backend implementation and using SQL created Select, Update and Delete statements. • Involved in writing complex SQL queries using correlated subqueries, joins, and recursive queries, PL/SQL stored procedures. • Excellent experience with Relational databases like MySQL, Oracle, SQL Server, DB2 and No SQL Databases like MongoDB and Cassandra.• Implemented NoSQL database like Cassandra to (store key values), for data analytics which is used as a Database for project. • Involved in developing a full-fledged REST API server with an open source NoSQL database that uses a document-oriented data model MongoDB and Mongoose connector.• Changing the AWS infrastructure Elastic Beanstalk to Docker with Kubernetes.• Experienced in writing real-time processing and core jobs using Spark Streaming with Kafka as a data pipe-line system.• Implemented Spring boot microservices to process the messages into the Kafka cluster setup.• Developed Mockito and JUnit test cases to improve code coverage. • Implemented unit tests for testing Angular components with frameworks using Karma and Jasmine.• Created JSON request and validated the response using postman Interceptor and Swagger UI.

• Extensively worked on Spring REST for creating REST API’s services with Spring Boot to modularize code and used Spring Data to access data from Postgresql database .• Actively involved in Analysis, Design, Development, System Testing and User Acceptance Testing. Followed Agile methodology in the Scrum Cycle model.• In responding to give feedback and provide technical solutions in creating the kinesis ,Lambda’s and event source mapping.• To perform coding upgrade in AWS under Spring boot framework by JAVA(applications including : S3buckets ,Kinesis API gateway and Lambda functions.Proxy Configuration and etc.)• Provide technical guidance and support in developing systems.• Perform code reviews and implement best practices in development process.• Build and deploy code releases/ patches on various environments as per schedule.• Work closely with QA team and provide support with their development of detailed test plans and test cases for use during SQT and UAT efforts.

• I have been working as a full stack developer for a Prepaid Multiline Upgrade project developing the Application Program Interface(APIs) using the Java1.8 as a language and Spring as a Framework. • Actively involved in Analysis, Design, Development, System Testing and User Acceptance Testing. Followed Agile methodology in the Scrum Cycle model.• Worked with Microservice architecture using Spring Boot to modularized code and implemented Rest API’s using Spring Rest and integrated Swagger API for documentation.• Dockerized the applications using Docker. Deployed application into Docker container and Docker consoles for managing the application life cycle on Kubernetes deployment manager.• Created a new cluster and container management tool using Kubernetes for Zero downtime Deployment.

• Developed use cases, drawn sequence diagrams and class diagrams for the application and responsible for writing program and functional specifications. • Involved in total Software Development Life Cycle (SDLC) of the application like Requirement gathering, Design, Analysis and Code development.• UsedReduxFrameworkarchitecture(likeReducers,Containers,Saga)forintegratingthedatawithReact- NativeApplicationandcreatedandusedReducersthatreceivedsaidActionstomodifyStoreStateTree.• Involved in responsive design and developed a single ISOMORPHIC responsive website that could be served to desktop, Tablets and mobile users using React.js andRedux.• ImplementedReactJScodetohandle crossbrowsercompatibilityissuesinMozilla, IE7,8,9,Safariand FF. Used Babel plugin tool for conversion of ES6 versions to support all type ofbrowsers.• Developed the Drag and Drop functionality usingReact-Dragabble.• Used React-Autocomplete for creating google maps location search on thewebpage.• Handled HttpRequestsusing Axioswhich supports Promise API functionality native to JSoracle.• Developed responsive applications using Bootstrap.js, Require.js and Node.js, D3.js which allowed the same application to be optimized for both mobile and desktopresolutions.

• Developed application based on SOA by integrating the Spring MVC application managed beans with JSF-Prime Faces view for building the application.• Build web application using JSF Prime Faces by assembling reusable UI components in a page and wiring the client generated events to server-side event handlers.• Developed reusable components using JSF Prime Faces through XML file view templates.• Extensively used Java server Faces (JSF) Navigation rules and JSF tags for enhanced user Interface.• Injected the JSF Managed beans using Spring-managed beans by extending the Spring BeanAuto Wiring support to achieve the Dependency Injection.• Used Spring Bean Faces Resolver i.e., Spring Resolver to integrate the Spring MVC application with the JSF pages.• Created RESTful based Web services and used SOAP UI to test for send and receive XML data and worked with JMS Queues for sending messages in point-to-point mode communication.• Managed Beans for handling JSF pages and include logic for processing of the data on the page.