• Designed and developed the RESTful web services using the JAX-RS API to communicate over the network.• Worked on creating, retrieving, updating and deleting documents in MongoDB.• Used AngularJS as framework to create Single Page Applications which can bind data to specific views and synchronize data with server.• Implemented Spring Boot microservices to process the messages into the Kafka cluster setup.• Involved in various phases of Software Development Life Cycles (SDLC) like Design, Development and testing phases, and developed Use Case diagrams, Class diagrams, and Sequence diagrams. • Enhanced application performance by Angular 6 Component based development in view of future Angular framework transitions.• Designed an API Life Cycle template for the API business objectives before building a programmatically accessible platform.• Experience in writing unit tests using Junit, Mockito and Easy Mock to improve code coverage.• Created Routing hierarchy for different view by using AngularJS UI Router and isolating scopes in custom directives.• Tested the performance of our API using JMeter and HP Load Runner.• Implemented a Continuous Delivery framework using Jenkins, Maven in the Linux environment.• Wrote build & deployment scripts using Maven, shell scripts to build and deploy the application in JBoss Application Server.• Deployed Java applications and Web-services using CI/CD tools like Jenkins, Puppet in standalone and clustered environments.• Used Spark and Spark-SQL to read the parquet data and create the tables in hive using the Scala API.

¥ Developed server-side application to interact with database using Spring Boot and Hibernate.¥ Created and configured spring.xml files to manage control flow.¥ Creating XML based configuration, property files for the application and developing parsers using JAXP, SAX, DOM technologies.¥ Implemented the development of business module applications using J2EE technologies like Servlets, JSP, and JDBC.¥ Used MySQL as RDBMS and created Data Models.¥ Developed real time chat application using Node.js (socket.io based on socket technology, Express JS framework)¥ Providing support for implementation, troubleshooting and updates of applications on Linux/UNIX servers.¥ Performed Reverse Engineering to map POJO classes to database.¥ Created various Advice (before, after) methods as required using Spring AOP such as Logging.¥ Developed Spring JMS message listeners to consume JMS messages from queues and used Spring transaction management to manage the transactions in the application.¥ Worked with application servers like JBoss, and Apache Tomcat.¥ Created various unit test cases and integration tests for the DAO, Service, and Controller components using JUnit classes, and Spring Web flow Tests.¥ Automating Angular applications by using Protractor, Jasmine and Karma.¥ Used Git repository for version control, Ant for building the application and Jenkins for continuous integration.

¥ Developed different join strategies with Hibernate to improve performance while retrieving collection items. ¥ Used Spring MVC and Hibernate to establish the Connection with Database for Stored Procedures. ¥ Experienced in working with Babel and Webpack in application build and deployment processes. ¥ Created plugins to extract data from multiple sources like Apache Kafka, Database and Messaging Queues. ¥ Ran Log aggregations, website Activity tracking and commit log for distributed system using Apache Kafka. ¥ Deployed and monitored scalable infrastructure on Amazon web services specifically on AWS EC2. ¥ Developed multiple POCs to create an interface between Backend to Frontend by using MongoDB, ExpressJS, Angular JS and Node.js¥ Performed UI and front-end testing using Selenium. Developed test case and performed unit testing with Mocha¥ Connected server and database to update data information with Node.js and MONGODB.¥ Managed data using MongoDB and updated the database on a regular basis and worked on Bootstrap 3 to make it responsive for any resolution.¥ Involved in Unit Testing of various modules by generating the Test Cases. ¥ Performed configurations and day to day activities using WebLogic.

¥ Used loosely coupled architecture Spring Boot. Developed Micro Services in the application by using Spring Boot.¥ Installed Kafka manager for consumer logs and for monitoring Kafka Metrics also this has been used for adding topics, Partitions etc.¥ Implemented the data persistence functionality of the application by using Hibernate to persist java objects to the relational database.¥ Used JDBC API to connect to the database and carry out database operations.¥ Used SQL statements and procedures to fetch the data from the database.¥ Implemented module-based persistence layer under the guidance of DAO design pattern, for data access layer and JMS API for the messaging requirement. ¥ Developed REST Web Services clients to consume those Web Services as well other Enterprise Wide Web Services. ¥ Implemented Spring MVC controllers like Controller, Simple Form Controller.¥ Implemented Spring MVC framework in the presentation tier for all the essential control¥ Used SVN for version control across common source code used by developers.¥ Development of cloud hosted web applications and REST APIs using Spring Boot with embedded Tomcat.

¥ Used JSF messages for handling the error messages for the applications¥ Used EJB, JMS, Java Script in enhancement of the product ¥ Developed web services using Apache Axis2 in Java and SOAP/WSDL on SOA architecture.¥ Worked Extensively on Spring IOC, Spring DAO framework, Spring Web services and integrated spring with Struts framework¥ Used Net beans for development and WebLogic Application Server for deploying the web application.¥ Used JBoss application server to deploy application into Production environment.¥ Created and Implemented Keyword Driven Framework using Selenium.¥ Designed Use Case Diagrams, Class Diagrams and Sequence Diagrams and Object Diagrams to model the detail design of the application using UML.¥ Designed and developed an account module that authenticates the access level for the users.¥ Monitor and manage the incidents and alerts for all the WAN devices from stores through Service-Now, and NMS tools.¥ Integrated the various modules of the application and performed the various unit test cases using JUnit.