SUMMARY

• Over 10+ years of experience in delivering enterprise solutions in multiple domains. Expertise in conceptualizing, designing and coding technical solutions using Java/J2EE and UI technology stacks to satisfy complex business problem statements.
• Expert in Various Agile methodologies like SCRUM, Test Driven Development(TTD), Incremental and Iteration methodology, Pair Programming, Agile Development &Testing using Software Development Life Cycle.
• Experienced inFull stack UI technologies using Gruntjs, Gulp Server, and Yeoman generator for Angular.
• Expert level skills onJSON, HTML, DHTML, CSS, Drools, Tiles, Tag Librariesand UI frameworks - Twitter Bootstrap, Materialize CSS, jQuery Mobile.
• Experience withjQuery, Ajax, JavaScript, Nodejs, ReactJs, BackboneJs, AngularJs, Angular 2.x/4.xand Client-side validations.
• Experienced in JavaWeb-based, Desktop Based Developmentwith Concepts ofObject Oriented Design(OOD),Object Oriented Analysis(OOA),Object Oriented Programming(OOP) and its implementation.
• Worked on Lambda Expressions, Functional interfaces Stream API's, Time API, and Improvements on Collection, Concurrency, and IO improvements by usingJava 8
• Expertise in teh implementation ofCore Javaconcepts of Java,J2EE Technologies:JSP, Servlets, JSF,JSTL,EJBtransaction implementation (CMP, BMP, Message-Driven Beans),Struts, Spring, Swing, Hibernate, iBatis, Java Beans, JDBC, XML, Web Services, JNDI, Multi-Threading, Data structures.
• Experience in Spring ModulesSpring MVC, AOP, IOC, Spring Boot, Spring Microservices, Spring REST, Spring Eureka, Spring Ribbon, Spring Netflix, Spring Hystrix,Spring Dashboard, Spring Zuul, Spring Security.
• Experienced in developing web-applications using various design patterns, includingsession facade, MVC, Data Access Object, Singleton and Factory Pattern.
• Proficient in usingAmazon Web Services (AWS).Extensive experience focusing on services likeEC2, Elastic Beanstalk, CloudWatch, CloudFront, CloudFormation, IAM, S3, RDS, ElastiCache, SNS, SQS, AMI.
• Experience withDockercontainers, leveraging Linux Containers and AMI's to createDocker Images/ containers.
• Experience with messaging systems likeKafka, Kafka event sourcing.
• Worked on (JMS) MQ's likeRabbit MQ,IBM MQ and Active MQ.
• Expertise with employment ofSpring KafkaandZookeeperapart fromJMSas messaging service.
• Good Working Experience in Apache Frameworks likeApache CXF, Apache CamelandApache Velocity.
• Experience in designing point-to-point and publish & subscribe java message-oriented middleware models(MOM)usingActive MQ, Rabbit MQ, IBM MQandStrom MQ.
• Experienced in building Web Services usingSOAPandRESTFUL.
• Expertise inXMLtechnologies such asDTD/Schemas, DOM, SAX, XSLT, XPATH, Castor.
• Experience in configuring and deploying teh applications onTomcat 5.x/4.x/3/x.,GlassFish, WebSphere 6.x/5.x/7.0,Web Logic 9.x/8.x/7.x/6.x,andJBossServers.
• Experienced in developing UNIX shell scriptsfor batch processing.
• Experience indatabase modeling, designand development of PL/SQL stored procedures, packages in relational databases: Oracle 9i / 10g / 11g, SQL Server 2005/2008, DB2, PostgreSQL and MySQL.
• Strong experience with MongoDB development (reports, schema design, map reduce functions) and migrations fromSQLrelational databases toNoSQLdatabases likeMongoDB,CassandraandCouchDB.
• Good Experience in software configuration management usingCVS, GITandSVN.
• Experienced in performing unit testing using JUnit, Test NG, Mockito, integration and deployment of applications using tools such asANT,Maven, Gradle, Jenkins& debugging throughlog4jandSplunk.
• Used Spring Security to handle user autantication and authorization
• Created Test automation framework using Cucumber and Selenium web driver.
• Knowledge of writing rules directly in teh Drools Rule Language(DRL), and decision table.
• Expertise on UI testing with Karma, Mocha, JasmineandChai.
• Experience using secure autantication mechanisms like LDAP, SASL and Kerberos v4.
• Good knowledge on dependency management tools such asNPMandBower.
• Developed Interactive graphs using D3.jswith JSON data.
• Knowledge on tools likeBigF5, Gomez.

TECHNICAL SKILLS

Languages: Java 1.5/1.6/1.7/1.8 , J2EE, UNIX Shell Scripting, Python 3.6.0, Scala 2.12.1, C, C++.

Web Technologies: HTML/HTML5, DHTML, XML, CSS, Bootstrap, JSF, JavaScript, SERVLETS 3.1, JSP 3.0, JavaBeans 3.0, Java Servlets API 3.0, AJAX.

Frameworks: Spring 4.3, Hibernate 4.3, Angular JS 1.0/1.5/2.0, Struts 2.x/1.x, Log4J.

Application/Web servers: Apache Tomcat 8, IBM WebSphere 8.x/9.x, Jetty, Jenkins 2.50, JBoss Drools - Decision Tables, Tomcat 5.0/6.0/7.0, Glassfish, WildFly.

Relational Databases: Oracle 8i/9i/10g/11g, SQL server 2012/2014/2016 , MySQL 5.7, DB2 11.1.

Internet Technologies: HTML 5, JavaScript 1.8, XML 2.0, CSS 3 and CSS 4, JQuery 2.11, Angular JS 2.0, BackBone.JS 1.3.1, Polymer.JS, Node JS 6.0.

JAXWS, JAXRPC, JAX: RS, SOAP, WSDL, UDDI, REST, SOAP UI.

AWS Skills: EC2, Simply Storage Service, Cloud Front, Relational Data Base, Virtual Private Cloud, Route 53, Cloud Watch, Cloud Trial, Identity and Access Management, Simple Notification Service, AWS EMR, AWS CLI.

Windows, MS: DOS, UNIX, Mac OS, Linux and Ubuntu.

Testing Tools: J unit 4.12, Win Runner, Jenkins, Selenium WebDriver/Grid, JIRA 7.0., Bugzilla 4.4.12, and Jasper Reports 6.0

Methodologies: Agile, waterfall, TDD (Test-Driven-Development), Scrum, SDLC.

Developer IDE Platforms: Eclipse, Edit plus, Notepad ++, TEXT PAD, JBuilder, Net Beans 8.0.2, Intellij 2017.1, Spring Tool Suite (STS) 3.8.3, GITHUB 2.12.0.

Build Tools: Ant 1.10, Maven 3.3.9, Gradle 3.4.1.

PROFESSIONAL EXPERIENCE

Confidential, Minneapolis, MN

Sr. Java Full Stack Developer

Responsibilities:

• Responsible forReactUI and architecture. Building components library, including Tree, Slide-View, and Table Grid.
• Responsible for Building applications usingReact.jswhich allowed us to render pages on both teh client and server using teh same codebase.
• ImplementedReact.jscode to handle cross browser compatibility issues in Mozella, IE 7, 8, 9, Safari and FF. UsedBabelplug-in tool for conversion ofECMA versionsto support all type of browsers.
• Developed teh flux pattern by usingReduxframework as a core dependency.
• IntegratedReduxdata store allowing React components to has access to data resulting in highly maintainable code.
• Used “RabbitMQ” queues for reliable and asynchronous messaging exchange.
• UsedReact-Routerto turn application into Single Page Application.
• Used Java-J2EE patterns likeModel View Controller (MVC), Business Delegate, Data Transfer Objects, Data Access Objects, factory patterns.
• Designed and developed teh End Points (Controllers), Business Layer, DAO Layerusing HibernateandSpring IOC (Dependency Injection).
• Extensively usedMVC, Factory, DelegateandSingleton design patterns.
• Developedmicro servicesarchitecture using Rest APIs,spring bootandpivotal cloud foundry.
• DevelopedREST Web Servicesclients to consume those Web Services as well other enterprise wide Web Services.
• Spring securityis used for autantication and authorization and to provide protection against attacks likesession fixation,clickjackingandcross site request forgery.
• Spring batchprogramming is executed by using quartz scheduler.
• Developed and consumedREST APIfor teh Microservices module and token-based autantication for REST services usingSpring Securityto verify users.
• Developed and implemented application usingDrools BRMSand integrated withMagetoe-commerce API
• Experienced with event-driven and scheduledAWSLambdafunctions to trigger variousAWSresources.
• ImplementedRabbit MQServices for reliable and asynchronous exchange of information.
• UsedHibernateframework for back end development andSpring DIfor middle layer development.
• UsedSpring MVC Transaction Management and Hibernate cacheconcepts.
• Modified theSpring Controllers and Servicesclasses to support teh introduction of spring framework.
• Creating Docker containers leveraging existing Linux Containers and AMI's in addition to creating Docker containers from scratch and developingDockerimages to support Development, Testing Teams and their pipelines, distributedJenkins,SeleniumandJMeter images, andElasticsearch, KibanaandLog stash.
• Deployed Docker contained Spring boot micro services in to AWS EC2 container service using AWS admin console and used AWS Lambda to run applications in AWS console.
• InstalledPivotal Cloud Foundry (PCF)on EC2 to manage teh containers created byPCF.
• UsedDockerto provide virtualize deployment containers and push teh code toEC2cloud usingPCF.
• Experience in working with big data platform with a combination ofHive MQ, CassandraandSpark.
• Worked with high volume and complexPL/SQL stored proceduresandpackagesusingTOAD.
• Experience in data structure design, Data Modeling inCassandra.
• DevelopedJUnit, Chai, Mocha and Gulptest cases for unit, integration, and functional tests.
• Ran Log aggregations, website Activity tracking and commit log for distributed system usingApache Kafka.
• Developed Rules usingRule Engines-JBoss Drools,Work flows, human tasksto implement Business rules validations and providedDrools Dashboardfor Business users.
• UsedLog4jto print logging, debugging, warning and info on server console. Debugged theMAVENscripts for building entire web application.
• ImplementedCucumberfor behavioral testing of application.
• Developed reusable UI components using ES6, Handlebars andWebpack.

Environment: React.js, Node.js, Babel, Redux, Bootstrap, Docker, Jenkins, Pivotal Cloud Foundry (PCF), Docker, Cassandra, JUnit, Drools,Chai, Mocha, DB2, Gulp, Spring Boot, Spring Security, Spring MVC, Hibernate, Apache Kafka, Rabbit MQ, Log4j, MAVEN, Cucumber, Webpack, Babel.

Confidential, Mounds view, MN

Sr. Java Full Stack Developer

Responsibilities:

• Involved in various phases ofSoftware Development Life Cycle (SDLC)of teh application.
• Developed applications usingAngular2,Java8and new features of java (lambda expressions).
• Developed screens usingHTML5, CSS3, SASS, JavaScript, jQueryandAJAX.
• Design and developed teh application using frameworkAngular 2withHTML5, CSS3andTypescript.
• Developed UI components usingAngular 2 dependency Injection, Models, data binding and controllers.
• ImplementedAngular 2Router to enable navigation from one view to another.
• UsedProtractorto performEnd to end testingfor single page application developed usingAngular 2.
• Developed Application to assesJSONandXMLfromRestfulweb service from consumer side usingAngular 2.
• Experience with Responsive Web Design,BootstrapandPlygridframework.
• Developed various genericJavaScript, Angular functionsto implement client-side validations.
• Involved in developingThreadSafe blocks formultithreadaccess and distributed transaction management.
• Created and injectedspringservices, controllers and DAOs to achievedependency injection.
• Heavily usedSpring Inheritance, Auto-wiring, Core Container, Security, AOP, Spring Quartzfor scheduling tasks to generate reports and emails to clients.
• Developed Persistence layer usingSpring Datato interact with teh Database.
• Developed SpringRestful/Microservicesand implementedSpring Restful/Micro Services and implemented Spring Eureka, Netflix, Ribbonas part ofServices Discoveryusing Apache Axis.
• ImplementedSpring MVCflow to interact with different modules and extensively usedSpring AOPandDependency injectionduring various modules of project.
• DevelopedwithSpring Eurekato retrieve API routes for teh entire cluster. Using this strategy eachspring servicein a cluster can be load balanced and exposed through one API gateway.
• UsedMicro servicearchitecture withSpring Bootbased services interacting through a combination ofRESTandApache Kafkamessage brokers.
• ImplementedSpring Circuit breakerpattern, integratedHystrix dashboardto monitorSpring micro services.
• Implemented Autantication & Authorization with Site Minder andSpring security.
• ImplementedRESTbased web services usingJAX-RSannotations,Jersey providerand consumed usingHTTPservices fromangular 2modules.
• Used Amazon Web Services (AWS) likeEC2, S3,cloud watchandElastic Bean Stalkfor code deployment.
• Writing Entities inJava, Play Frameworkalong with named queries to interact with database.
• Experience in Updating, Modifying queries inOracle 11g.
• Composed and executedMongoDBscripts to insert and updateNoSQLdatabase and reporting.
• UsedGWTandAmazon AWS (EC2/S3/EBS)for prototyping and subsequent evaluation.
• Developed quality code adhering toScalacoding standards and best practices.
• Worked withKafka ClusterusingZooKeeper. Developed Applications usingRule Engines-Jboss Drools4.x, Work flows, Human tasksto implement Business rules validations.
• Developed data transformer for converting legacy data from Source tables to avro format and fed intoKafkausingCamel.
• Worked on creation of customDockercontainer images, tagging, pushing images, integration ofSpring boot.
• Created theDockercontainers andDockerconsoles for managing teh application life cycle.
• Worked with theNode package manageralong withKarma, Jasmine,GruntandBowerfor test and build.
• Smoke Test and Acceptance Testing is performed withSeleniumin multiple Java platforms.
• Worked with teh automation team to understand theSeleniumscripts and review teh code, run teh tests and review teh results and provide inputs to teh team.
• UsedMavenandJenkinsto automate teh build and deploy process andGitwere used for project management and version management.

Environment: Java 8, Spring MVC, Spring Boot, Angular 2, HTML5, CSS3, JSON, JavaScript, Node.js, Spring Data, Protractor, Mongo DB, Oracle 11g, DB2, IntelliJ IDEA, Junit 4.4, Mockito, Git, Selenium, Scala, Spark, Drools, AWS, Docker, Spring Cloud, RESTful web services, Apache Tomcat, Apache Kafka, Camel, Maven, Jenkins, Karma, Jasmine.

Confidential, CA

Java/J2EE Developer

Responsibilities:

• Designed, coded, implemented, optimization and tested new features and modules for teh derivatives system as part of anAgileteam and improved automation test suites.
• Utilized Modernizer extensively to buildHTML5/CSS3based page layouts that are cross-browser compatible.
• Implemented client-side Interface usingReact JS. Worked on responsive design and developed a singleISOMORPHICresponsive website that could be served to desktop, Tablets and mobile users usingReact JS.
• Implemented application testability and diagnostics and fixing bugs with teh help ofREDUX (Reducers)architecture.
• Utilized create-react-app to launch product to stay update with currentWebpackandBabelbuild configurations.
• HandledHttpRequestsusingAxioswhich supports Promise API functionality native to JSES6.
• Gained Knowledge on Electrode Platform NodeJS/Web platform built on top of teh ReactJS and HapiJS frameworks.
• Developed Web API usingNode JSand hosted on multiple load balanced API instances.
• DevelopedSpring Bootto fasten teh application for removing boiler plate configurations.
• Used loosely coupled architectureSpring Boot. DevelopedMicro Servicesin teh application by usingSpring Boot.
• DevelopedMicro Servicesfor service oriented architecture to build flexible and independently deployable software.
• DevelopedRESTWeb Services clientsto consume those Web Services as well otherEnterprise Wide Web Services.
• Worked withSpring AOPmodule to perform logging operations.
• Developed independentMicroservicesusingSpring BootRest Controller model and are deployed on UNIX boxes.
• EmployedSpring Bootfor initialize and bootstrapping teh build configuration for teh boot based web applications.
• Development of cloud hosted web applications andREST APIs usingSpring Bootwith embeddedTomcat.
• Extensively Used Jenkins as Continuous Integration tools to deploy theSpring BootMicroservices toPivotal Cloud Foundry (PCF)using build pack. Used Pivotal Cloud Foundry to quickly build, deploy and update teh applications.
• UtilizedHibernateforObject Relational Mapping(ORM) purposes for persistence on to teh database.
• Developed different join strategies withHibernateto improve performance while retrieving collection items.
• UsedSpring MVC, AOP, IOCandHibernateto establish teh Connection with Database for Stored Procedures.
• Involved in implementing Queries to teh backendMongoDBdatabase using Http service to fetchJSONcontract.
• Unstructured data was handled usingMongo DBand used Mongoose Connector for connecting to database.
• Composed and executedMongoDBscripts and queries to fetch and test data fromNoSQLdatabases.
• Responsible for installation & configuration ofJenkinsto support various Java builds and Jenkins plugins to automate continuous builds and publishingDockerimages to theNexusrepository.
• Used CI/CD toolsJenkins, Git/GitlabsandDockerregistry for configuration and automation using Ansible.
• Used Drools as rule engine to categorize salient level rule to every business rules base on teh business needs.
• Experienced in working withBabelandWebpackin application build and deployment processes.
• Created plugins to extract data from multiple sources likeApache Kafka, Database and Messaging Queues.
• Ran Log aggregations, website Activity tracking and commit log for distributed system usingApache Kafka.
• Deployed and monitored scalable infrastructure on Amazon web services specifically on AWS EC2.
• Performed UI and front-end testing usingSelenium. Developed test case and performed unit testing withMocha.

Environment: HTML5, CSS3, React JS, Babel, Spring Boot, Spring AOP, Spring IOC, Hibernate, Redux, Axios, Node JS, Hapi JS, DB2, Webpack, JSON, Ansible, Pivotal Cloud Foundry, Jenkins, GIT, Docker, Drools, Nexus, Mongoose, MongoDB, Chai, Webpack, Mocha, Selenium, Apache kafka, EC2, AWS.

Confidential - Malvern, PA

Jr. Java Developer

Responsibilities:

• Involved in various phases ofSoftware Development Life Cycle(SDLC).
• Identified business requirements of teh project.
• Used CSS, HTML, Java Script, JQuery, and AJAXfor creating interactive web Application.
• Involved in developing theCSSsheets for theUIComponents.
• UsedJavaScriptfor teh web page validation.
• ImplementedModelViewControllermodules and design patterns.
• Developed and debugged teh servlets andEJBwithWebSphereApplicationserver.
• Developed view components usingJSPpages used in combination with servlets that handles business logic.
• UsedSOAPforWebServicesby exchangingXMLdatabetween applications overHTTP.
• Created and modified Stored Procedures, complexSQLCommands for teh application usingPL/SQL.
• UsedApacheLog4jLogging framework for logging of a trace and Auditing errors in application.
• Involved in troubleshooting bugs and debugging application to enhance performance of teh application.