SUMMARY

• Over 8 years of professional full stack development in IT industry with exposure to all the stages in Software Development Life Cycle (SLDC) including gathering requirements, analysis of requirements, software design, development, testing and maintenance of web applications using JAVA/J2EE technologies.
• Expertise in Designing and Developing User Interface using HTML5, CSS3, Bootstrap, JQuery, ECMASscript6(ES6), ECMAScript5(ES5), Javascript, Typescript.
• Well understanding the features of ES6 like arrows, promises, modules, block scoping, enhances object literals to build highly interactive pages.
• Expertise in implementing MVC architecture on client side using Angular JS, React with redux, React with flux, Backbone JS, Ext JS, knockout JS.
• Developed view rendering pages using React.js.
• Experience in implementing MVVM architecture on client side using Angular 2, Angular 4, Angular 5 with typescript 2.7.
• In Angular implemented various concepts like components, directives, Data Binding, Event Binding, written services for dependency injection, Observables, Shadow DOM.
• Implemented angular observables and listeners (RxJS libraries) to simplify making asynchronous calls to backend REST API’s.
• Experience in using Angular 4 router to build single page application (SPA) to navigate through the different components.
• Experience in developing server - side JavaScript frameworks using NodeJS along with Express JS to build event driven, non-blocking i/o model web applications.
• Experience in developing and publishing RESTful web services using Node Js Asynchronous programming and express JS.
• Experience in developing Restful API’S with Hapi.js and followed Event driven approach with Node.js.
• Expertise in working with Hapi.JS to build reusable application logic by avoiding spending time on building infrastructure.
• Developed applications using node JS Socket.io programming for persistence connection from client to the server.
• Experience in developing applications with Angular 2, Node Js, Express Js and Mongo DB to keep application synchronized with the database.
• Expertise in using of Java Script build tools and task runners like Webpack for React, Grunt, Gulp for Angular 2.0/4.0, Browserify for packaging Node JS modules for browsers.
• Good amount of working experience with web application’s UI testing frameworks such as Karma, Jasmine, Protractor for Angular JS, Mocha and Chai for React JS and Backbone JS.
• Worked extensively with JAVA 8 features like Stream API, Time API, Functional Interfaces Multithreading, Transaction Management, Exception Handling, Collection API.
• Extensively worked on Microservices for creating API’s services with Spring Boot to modularize code.
• Experience in developing and deploying Micro Services based on Spring boot and Spring Cloud.
• Expertise in using Spring Boot to create stand-alone applications and for building web service.
• Good understanding of Spring annotations as well as XML configuration for dependency injection.
• Experience in implementing Swagger for dynamic API documentation.
• Expert in integrating JMS (Java Message Service) with SPRING BOOT by providing an instance which is embed with Active MQ.
• Experience in implementing Service Oriented Architecture (SOA) with web services like Simple Object Access Protocol (SOAP) and service based technology like Representational State Transfer (REST).
• Extensively worked on SOAP protocol using JAX WS and Apache CXF and documented services using WSDL.
• Developed projects with RESTful services (JAX-RS, Apache CXF) and REST resources that include components like Jersey and used WADL for documenting REST API’S.
• Extensively worked on servlets, JSP, Structs, JSF, Spring MVC, Spring IOC, Spring AOP, Spring JDBC, Spring Data, Spring I/O, Spring REST, Spring JTA, Spring security, Spring batch to implement Monolithic Architecture.
• Experience in Deploying and Configuring Application servers and Web Servers such as Oracle WebLogic, IBM WebSphere, JBoss, Glassfish and Apache Tomcat.
• Good knowledge in Object Relational Mapping (ORM) framework which includes Hibernate, Spring JPA, Apache iBATIS, Spring Data, Spring JDBC.
• Experience in using with Hibernate’s second level cache by Ehcache.
• Experience in Relational Database Management System (RDBMS) databases like Oracle 10g/11g/12g, MySQL5.x, DB2, PostgreSQL.
• Experience in NoSQL database like MongoDB, Apache Cassandra, Apache CouchDB, Graph database.
• Proficient in writing stored procedures, functions and triggers using. PL/SQL in JDBC, ODBC in WebLogic server.
• Experience using Object Document Mapper (ODM) frameworks to connect asynchronous environment with Mongoose Connector and Cassandra Node Driver.
• Expert command on implementing Spring Cloud- Netflix OSS Stack, Zuul (API Gateway), OAuth 2.0. (authentication framework), Hystrix (Circuit Breaker) and Eureka for service registration
• Expertise in applying JMS (Java Messaging Service) for reliable information exchange across Java applications using Apache Kafka, RabbitMQ, ActiveMQ and IBM MQ to communicate from Client to server.
• Experience in using Apache Kafka (Message Queues) for reliable and asynchronous exchange of vital information between multiple business applications
• Good knowledge in using Apache Kafka in cluster as messaging system between the APIs and micro services.
• Experience in maintaining log delivery system by creating producer, consumer and broker architecture using Apache Kafka.
• Experience in building real-time dashboard applications for visualizing, analyzing and exploring data on Apache Web servers using Elastic Search, Logstash and Kibana 4.0 (ELK), Splunk.
• Experience in using various AWS (Amazon Web Services) IaaS (Infrastructure as a Service), PaaS (Platform as a Service) Components like EC2 for running applications on virtual machines, Lambda for serverless program functions, S3 for storage, Amazon DynamoDB which provides seamless scalability and fast performance, Amazon Elastic Load Balancing for distributing traffic on the network.
• Expertise in using Microsoft Azure which is cloud computing service for building, testing, deploying and managing applications and services through a global network of Microsoft-managed data centers.
• Expertise in Pivotal Cloud Foundry (PCF) which isan open sourcecloudplatform as a service (PaaS) on which developerscanbuild, deploy, run and scale applications.
• Used Docker Container to address every application across the Hybrid Cloud and Docker for better collaboration and innovation.
• Hands on experience in managing this Docker Container using Kubernetes with zero downtime deployment.
• Experience in Oauth 2.0 providing security for authorizing the users, single sign on for authenticating, JWT for producing tokens.
• Implemented Docker container service, build pipe line like Jenkins, Bamboo and GoCD for Continuous Integration and Continuous Deployment that can run on the cloud or on-premises.
• Experience in automation tools like MAVEN, ANT, Gradle for project builds, documentation and dependency.
• Strong Experience in working with JAVA based testing frameworks like JUint, Selenium, TestNG, Mockito, Spock, Cucumber, Powermock, MockMvc, etc.
• Experience in Web Application testing using Selenium, Cucumber (Body Driven Development).
• Experience in working with various version controlling tools like Git, SVN, Bitbuckets and different Project management tools like JIRA, Rally, Microsoft Project.
• Experience in using Drools which is Business Rule Management System (BRMS) for defining business rules and Validations.
• Experience in using Mule soft which is light weight Java based Enterprise Service Bus (ESB) which allows connecting applications together quickly and easily, enabling them to exchange data.
• Experience in using open source framework Apache Camel which for message-oriented middleware with a rule-based routing and mediation engine that provides a Java object-based implementation of the Enterprise Integration Patterns (EIP) using an application programming interface to configure routing and mediation rules.

TECHNICAL SKILLS

Programming Languages: C, C++, Java, PL/SQL, UNIX Shell Script

JavaScript Frameworks: HTML5, CSS3, JavaScript, AJAX, JSON, Bootstrap, jQuery, Angular2.0/4.0, React JS with Flux, Redux, Ember JS, Knockout JS, Back Bone JS, Handlebar JS, Node JS, Express JS, Hapi JS

Java/J2EE Technologies: Servlets, Spring, EJB, JPA, JTA, JDBC, JSP, JSTLFrameworks

Messaging Services: JMS, Active MQ, Rabbit MQ, IBM MQ, Apache Kafka

Methodologies: Agile, Waterfall, OOAD, SCRUM

Testing Tools: Junit, TestNG, Mockito, Jasmine, Karma, Mocha, Chai, Spock, Protractor

Version Control: SVN, CVS, GIT and Clear Case

Build& Configuration Tools: Ant, Maven, Gradle, Jenkins, Bamboo Gulp, Grunt, Webpack, NPM, Bower

Project Management Tools: JIRA, Rally, Microsoft Project

Cloud Technologies & DevOps Tools: AWS, PCF, EC2, S3, Docker, ECS, EBS, EKS, SQS, RDS, S3, Glacier, Lambda, Kubernetes

IDEs: Eclipse IDE, RAD 6.0/7.0, Intellij IDEA, Spring Tool Suite (STS), Sublime Text, Putty

Operating Systems: Windows, Linux and UNIX

Software: Visual Studio, Rational Rose and Microsoft Office

PROFESSIONAL EXPERIENCE

Confidential

Full Stack Java Developer

Responsibilities:

• This application is built on Micro Service Architecture using MEAN (Mongo, Express, Angular 4.0 and Node) stack and developed Single Page Applications (SPA).
• Designed efficient Interaction pages using HTML5, CSS3 and Bootstrap CSS framework and media queries to create responsive web pages.
• To allow fully encapsulate custom elements, created custom elements, HTML imports and Shadow Dom, pipes using Angular 4 and implemented Angular Router to enable navigation from one view to the next as the user performs application task.
• Implemented form validation on HTML forms using the built-in validation properties and methods in Angular 4.0.
• Have worked with reactive forms, template driven forms and written pipes in Angular 4.0 to transform the data.
• Developedclient-side validationcode usingJavaScriptandJQUERY.
• Worked on various features in ECMAScript 6 (ES6) such as Arrow functions, Classes and enhanced object literals.
• Createdcross-browser compatibleand standards-compliant CSS-based page layouts.
• Used Angular 4 Lazy Loading and ahead of time compilation to optimize the performance of application.
• Developed angular views to hook up models to the DOM and synchronize data with server as a SPA.
• Used Built-in AJAX HTTP Service with observables extensively for making quick and incremental updates to UI of the application.
• Developed RESTFUL web services usingSpringBoot.
• Used Microservices for creating API’s services with Spring Boot to modularize code and implemented Swagger for dynamic API documentation.
• Used complete annotation driven approach to develop the application using Spring Boot and was involved in setting up the Spring bean profiling.
• Extensively worked in integrating JMS (Java Messaging Service) with SPRING BOOT for reliable information exchange across Java applications using ActiveMQ to communicate from Client to Server.
• Developed Microservices using Spring Cloud Netflix OSS stack to address Load balancing using Ribbon, API Gateway using Zuul, Fault Tolerance using Hystrix.
• Unit testing of web services is done using Spock framework by extending Groovy syntax.
• Used OAuth 2.0 protocol for authorization of server and JWT to generate to access a protected resource on a resource server.
• Developed Mean Stack application from scratch including Mongo DB server setup and Express-JS server development.
• Developed RESTful web services using Node JS and Express JS and used Node JS server to interact with the Rest services and database, hosted on multiple load balanced cloud instances.
• Implemented services call from Angular at client to Node JS using Express JS.
• Implemented Node JS as a server-side proxy for an event-driven, non-blocking I/O model to make the application lightweight and efficient.
• Configured Express JS node http framework to set up middle-wares to respond to HTTP requests and used its front-end tooling like Web packs, Starter packs, Boiler plates efficiently.
• Used Postman to test the API workflow tested on the JSON files which are generated by the NodeJS, Express JS.
• Focused on Test Driven Development (TDD) for UI testing we have used Jasmine and Karma for Angular and for back end we used Mocha and chai for Node JS, Junit and Mockito for Spring Boot and embedded databases like HSQL and function testing we use Spring MVC mock.
• Handled unstructured data using MongoDB and used Mongoose connector to connect to database.
• Composed and executed MongoDB scripts and queries to fetch and test data from NoSQL databases.
• Performed configuration, deployment and support of cloud services including Amazon Web Services (AWS). Launch various AWS EC2 instance to deploy the application.
• Implemented AWS solutions using E2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups, Optimized volumes and EC2 instances and created monitors, alarms and notifications for EC2 hosts using Cloud Watch.
• Used AWS Lambda to run the code and manage the servers in AWS with the help of API.
• Deployed application into Docker container and Docker consoles for managing the application life cycle on Kubernetes deployment manager and monitored on Git.
• Experience in maintaining log delivery system by creating producer, consumer and broker architecture using Apache Kafka.
• Used Apache Kafka in cluster as messaging system between the APIs and microservices.
• Worked on Splunk search processing language (SPL) queries, reports, alerts, dashboard, visualizing and logging using Log4j.
• Worked with the automation team to understand the Selenium scripts and review the code, run the tests and review the results and provide inputs to the team.
• Used Maven as build tool and Jenkins for CD/CI deployment process and used GIT for version management.

Environment: s: Angular 4, Java 1.8, Node JS, Express JS, HTML5, CSS3,MongoDB, Mongoose, jQUERY, ES6,Spring 4.2.0, AWS, REST services, OAuth 2.0, Swagger 2.0, Jasmine, Karma, Mockito, Apache Kafka 0.11.0.1, Junit 4, Log4j, Selenium 3.0, GIT, Kubernetes, Maven 3.3 and Jenkins.

Confidential, Hillsboro, OR

Sr. Java Full Stack Developer

Responsibilities:

• Created UI specification documents by interacting with business users and design documentation and data modelling for the entire project.
• Designed and developed efficient web pages using HTML5, CSS3-SASS and Twitter Bootstrap CSS framework and media queries to create responsive web pages.
• Expertise in usingReact.js/Reduxto build User Interface, strong knowledge ofstate store, middleware, action creator, reducer and container.
• Written several Axios service calls like get and post to make REST service calls.
• Developed user interface by using the React JS, Redux for SPA development and implemented client-side Interface using React JS.
• Created responsive design and developed a single responsive website that could be served to desktop, Tablets and mobile users using React JS.
• Implemented Redux Form to build Report Data Grid, tree grid, and developed DataGridItems which can be dragged by IRD system users.
• Implemented Virtual Dom for Client-Side view rendering services using REACT JS.
• Worked on Redux/NGRX and understanding of the Redux pattern.
• Wrote Client-Side code using React JSand used NPM, directories to generate the server environments used browserify, flux to manage with targeted URL's (Uni-Directional data flows) and to monitor the application.
• REACT JS Virtual DOM used for client-side view rendering services, React-Redux for state management and React-Router for programmatic navigation.
• Building cloud Microservices and implemented back-end using Spring Boot.
• Worked with Microservice architecture using Spring Boot to modularized code and implemented Rest API’s using Spring Rest and integrated Swagger API for documentation.
• Implementation domain base classes providing basic properties using Spring Data.
• Worked with JAVA8 features like Functional Interfaces, Stream API for Bulk Data Operations, Time API, Transaction Management, Concurrency API, Collection API, Calendar API.
• Created reusable templates using Angular directives and worked with NPM package manager tools (Node JS).
• Experience in maintaining log delivery system by creating producer, consumer, and broker architecture using Apache Kafka.
• Used Apache Kafka in cluster as messaging system between the API’S and microservices.
• Experience in Docker Engine and Docker Machine environment, to deploy the micro services-oriented environments for scalable application.
• Proficient in writing react code with help of ECMAScript (ES6) and JSX.
• Deployed our Application on Pivotal Cloud Foundry which is used to reduce the development overhead by providing a ready to use platform.
• Deployed and Monitored Micro Services Using Spring Cloud Foundry Managed Domains and Routes with the Spring Cloud Service Registry.
• Implemented Spring Cloud- Netflix ZUUL to building microservices to communicate with each other, Hystrix for circuit breaker and Eureka to provide weighted load balancing based on several factors like traffic, recourse usage, authentication, monitoring services and routing.
• Implemented Netflix OSS(Open Source Software) for Feasible changes after the deployment.
• Implemented platform modules through spring Java micro and Node.js services by employing Hapi.js, as well as front-end React JS.
• Involved in writing Promises and call back function in Node Js to build microservices using Hapi.JS.
• Developed reusable application logic by avoiding building infrastructure by Hapi.JS.
• Worked onDocker hub, creatingDocker images and handling multiple images primarily for middleware installations and domain configurations.
• Implemented Spring Circuit breaker pattern, integratedHystrix dashboard to monitor Spring micro services.
• Configured JBOSS Application server and used Oracle database with Hibernate ORM framework and used the functionalities of Hibernate’s second level EHCache.
• Implemented Relational Data Base like Oracle and PL/SQL store procedures.
• Worked with NoSQL based ORM frameworks like Cassandra Db and used Cassandra node driver.
• Worked with Cassandra Node Connector for database persistence to interact with Cassandra NOSQL DB with unify and ease the access to Cassandra persistence stores.
• Performed Code building using Gradle.
• Implemented a metrics collection mechanism for the server by utilizing Apache Kafka to stream server-side events.
• Configured Kibana data visualization plugin for Elasticsearch, Logstash and created bar, line and scatter plots, or pie charts and maps on top of large volumes of data.
• Worked with Web pack for bundling application source code in convenient chunks and for loading that code from a server into a browser
• Worked with OpenShift for Platform as a service with configuration management.
• Authenticating Users and to provide the security to RESTFul web services using OAUTH 2.0
• Implemented unit test cases using Karma and Jasmine on client side.

Environment: Swagger, Node-JS, React, Redux, Web pack, Karma and jasmine, Rest,Spring 4.x, Spring Boot, Spring cloud like Ribbon, Hystrix, Netflix ZUUL, Micro services architecture, Docker, Cassandra Db, OAUTH, Apache Kafka, Kibana, OpenShift.

Confidential, Campus Martius Park, Detroit

Full Stack Java / J2EE Developer

Responsibilities:

• Designed the user interface screen and its functionality as per user requirements and developed RESTful Web services in MuleESBbased on Service Oriented Architecture (SOA).
• Developed dynamic web pages using HTML5, CSS3, Bootstrap and AJAX.
• Effectively migrated the Angular JS application to Angular 2.0 to use the enhanced features of type script, Angular Routers and Angular Components.
• Used Angular 2.0 to create views to hook up models to the DOM and synchronize data with server as a Single Page Applications.
• Effectively used Angular Directives, filters, declarative templates, service providers and context aware communication.
• Performed Angular JS end to end testing using Protractor framework.
• Worked on using Grunt used for concatenation, minification and running of unit test cases.
• Legacy Web Services Systems using SOAP (AXIS-2) is migrated and implemented using REST (Jersey extending the JAX-RS) with data representation in different formats such as XML and JSON.
• Implemented WADL configuration and API documentation for the understanding of Rest based Web services.
• Wrote custom marshaller for webservices in the application for converting in-memory object into persisting or transportable format.
• JAX-RS API generic and pluggable interface calledMessage Body Writerfor doing the custom marshalling.
• Written IBatis Criteria queries for data retrievals and have performed the ORM mappings to map java entities to database tables.
• Implemented second level cache using Oracle Coherence for IBatis.
• Worked extensively with persistence context (JPA) implemented by IBatis.
• DB2 database used to load the application data and written PL/SQL procedures, complex queries to perform various data operations
• Message broker services are achieved in the application using Active MQ with JMS framework
• Used Maven build tool to deploy the application on web servers i.e. JBoss.
• Deployed and monitored services using Open Shiftand managed Domains and Routes
• Configured Jenkins to handle application deployment inPivotal Cloud Foundry(PCF)server and to integrate with Git Hub version control
• Implemented Drools Business Logic Integration Platform which provides a unified and integrated platform for Rules, Workflow and Event Processing
• Business Unit, functional, end-to-end testing is achieved using TestNg framework
• Integration testing methods and Behavioral driven testing in the application are implemented by using Selenium and Cucumber respectively

Environment: Angular JS, HTML5, CSS3, AJAX, Bootstrap, JSON, Active MQ, JMS, Hibernate, DB2, SOAP-AXIS2, Restful services, JAX-RS SOA, Eclipse Java EE IDE Neon.3,Jenkins, Git, Log4j, DB2, Grunt, Jasmine, JBoss, Jenkins, Open Shift, Drools, Maven, TestNg, Protractor, Grunt, Selenium, Cucumber, WADL.

Confidential, Atlanta, Georgia

Java Full Stack Developer

Responsibilities:

• Developed User Interface view with Spring MVC and Backbone JS as a Service Oriented Architecture (SOA) application.
• Used HTML5, CSS, jQuery, Ajax and performed client-side validationsusing JavaScript.
• Developed responsive UI modules using Backbone.JS, Handlebar JS.
• Designed and developed various UI features using Backbone JS, performed routing using Backbone Router.
• Used Backbone JS to utilize its rendering functions and create controllers to handle events triggered by clients and send request to server.
• Developed various building blocks such as models, views, events, routers and collections for assembling the client-side web applications using backbone.js.
• Made Ajax calls using backbone.js to render the view from the server side.
• Used jQuery libraries to query the DOM and handled the Events using backbone.js
• Implemented Spring Beans using IOC and Transaction management features to handle the transactions and business logic, spring AOP to increase code modularity by cross cutting concerns.
• Implemented Internationalization using Spring MVC Interceptors and spring core modules.
• Expertise in developing flexible and loosely coupled Application using Spring MVC and handled different HTTP Request and Responses using Dispatcher Servlet.
• Implemented Spring MVC Validation to validate the form inputs at the server side.
• Redirected the pages based on the Http Request and handled Exceptions using Spring MVC.
• Implemented spring batch framework to create custom readers and writers to work with the application and Spring security for authentication and authorization.
• Used Hibernate as ORM framework and Hibernate JPA implementation, annotated the classes with JPA annotations.
• Involved in multi-tiered J2EE design utilizingSpringInversion of Control (IOC) architecture andSpringJPA.
• These applications need to maintain privacy and restrict illegal users. To achieve this functionality, we used Spring Security.
• Worked with Hibernate session objects to interact with database and used HQL to query the database.
• Worked with message queueing using RabbitMQ for exchanging data between processes, applications, and servers and involved in setting up a connection and publishing/consuming messages from a queue.
• Developed and enhanced data processing tool in Java by implementing connection pooling and multithreading.
• Created stored procedures, triggers, functions, views, indexes using PostgreSQL and written complex queries using JOINS and Subqueries to retrieve data.
• Worked with Maven for project build, dependency and documentation.
• Used Jenkins for continuous integration of the build and deployment for release process.
• Used Drools rules engine for defining business rules and Validations.
• Involved in performing Unit and Integration testing Junit.

Environment: Java, backbone.js, Handlebar.js, Hibernate JPA, Spring MVC, Spring JPA, Spring Security, PostgreSQL, Maven, RabbitMQ, Junit, Jenkins, Drools.