SUMMARY:

• Over 6 years of experience in analysis, design, implementation and testing of Object - Oriented Applications in Client/Server environments using Java/J2EE.
• Experienced in Java Web-based, Desktop and Multitier Based Development with Concepts of, Object Oriented Design, Object Oriented Analysis, Object Oriented Programming and its implementation.
• Experience working with various Software Development Life Cycle like, Waterfall Model V-Shape Model Iterative Model and methodologies based on Agile, Scrum, Iteration, and TDD
• Expertise in design and development of various web and enterprise-level applications using Java/J2EE Such as MVC, Hibernate, Struts2framework, EJB, Servlets 3.x, JSF and Google Web Toolkit.
• Experienced in Middleware persistence framework like Hibernate/JPA for mapping Java classes with database and using Hibernate Query Language.
• Expertise in Web based Distributed and Front-End applications in a three-tier architecture using Java, J2EE, HTML5, Backbone JS, Bootstrap, AngularJS, Angular 4, React.js, Ajax, Node.js, JSP, CSS, JavaBeans.
• Experience working with MEAN and MERN (MongoDB, Express, Angular/React and Node.js) stack.
• Experience in Node environment using Node.js, NPM, Grunt, Gulp, Groovy Bower.
• Involved in Developing restful APIs using Node.js frameworks.
• Experienced in Developing Java/J2EE Applications using JDK 1.7/1.8, Core Java, JSP, JSF, Springs, Web Services, Struts, XML, XSD, XSL and JNDI.
• Developed Microservices using Spring Boot and deploying Microservices into AWS cloud using Jenkins.
• Experienced in frameworks: Spring MVC, Struts framework, JSF, Spring and Hibernate.
• Strong experience in Spring Framework modules such as MVC, IOC, AOPand Spring JDBC, Spring JTA, Spring IO, Thyme leaf, Spring HATEOS, Spring Heroku, Spring Netflix, Spring Hystrix.
• Developed Struts based presentation layer, hibernate based DAO layer, Transactional based service layer for business logic and integrated all these layers using Spring Dependency injection, ORM and Web modules.
• Documented APIs using OpenAPI Specification (Swagger). Tested APIs in Node.js with Mocha testing framework and Chai assertion library.
• Experience in developing UG Open API’s for customization of various CAE functionalities.
• Expertise in building real time pipelines using Spring Kafka and zookeeper apart from JMS and messaging.
• Good Knowledge on Apache Storm which is used for real-time Stream processing
• Experienced in working with multiple databases like Oracle 10/11g, SQL Server, MySQL, DB2, Sybase, PostgreSQL and SQLite and NoSQL Databases like (mongo DB, Cassandra, Dynamo DB, Infinity).
• Hands on experience in Amazon Web Services provisioning and good knowledge of AWS services like EC2, S3, Elastic Beanstalk, ELB, RDS, VPC, SpringRoute53, Cloud Watch, Cloud Formation, IAM, SNS etc.
• Experience in implementing Java EE design patterns such as MVC, Singleton, Session Façade, DAO, DTO, and Business Delegate in the development of Multi-Tier distributed Enterprise Applications.
• Experience in configuring and deploying the applications on Tomcat, WebSphere, WebLogic and Jboss.
• Experience in using build tool as ANT, Gradle, Maven to compile, package the components to the Application Servers MAVEN scripts for customizing WAR/ JAR file management for web applications and log4J.
• Experienced in performing unit testing using Junit, Test NG, Mockito, integration and deployment of applications using tools such as ANT, Maven, Gradle and Drools& debugging through log4j.
• Hand-on experience in Service-Oriented Architecture, Web Services using JAX-WS, SOAP, WSDL, UDDI, JAX-RS RESTFul, Jersey, CXF and OAuth2.
• Good Experience in Security - System development for Web Applications. Involved and Developed all phases of security implementation using spring security system against All types of authentications: LDAP authentication, Database authentication and Pre - Authentication.
• Experience in creating Docker images, Containers, push/pull and integrating with Spring Boot for running applications securely on container platform by flexible integrating existing processes with log4J.
• Experience with build tools like CICD-ANT, Maven and logging tools like Log4J.
• Experienced in Development, testing and deployment of enterprise applications on Windows & UNIX platforms using IDE’s such as Eclipse, Rational Application Developer, NetBeans, IntelliJ.
• Experience in using different controlling/tracking systems Subversion, CVS, GIT, and Rational Clear Case.
• Experienced in Splunk Log Management Creating dash boards, monitoring, reporting, Email Notification to Users for threshold limit.

TECHNICAL SKILLS:

Programming Language: Core Java, SQL, PL/SQL

Java/J2EE Technologies: Servlets, JSP, JSTL, JDBC, JMS, JNDI, RMI, EJB, Swing, AWTMulti-threading, Java Networking

Java Frameworks: Spring MVC, Struts 2.0, JSF

Application/Web Servers: WebLogic, IBM WebSphere, Jboss, Tomcat

ORM Frameworks: Hibernate, JSF, IBATIS

Web Technologies: JSP, JavaScript, jQuery, AJAX, XML, XHTML, CSS, SASS, HTMLAngularJS, Angular 4, React.js, Node.js, Express.js, Ext JS, backbone JS, JSON.

Spring Framework: Spring IOC, Spring Batch, Spring Boot, Spring Security

Database Server: Oracle, DB2, SQL Server, MySQL, RDBMS, MongoDB, Cassandra

IDE: Eclipse, NetBeans, Intellij, STS, WebStorm, Visual Studio Code

REST, SOAP, JAXWS, JAX: RPC, JAX-RS, WSDL, Axis2, UDDI, Apache

CXF

Version Control: GIT, CVS, SVN, Clear case

Build Tools: ANT, Maven, Gradle

Agile, Scrum, Water: Fall, Rapid Application DevelopmentTest Driven development

Modelling Tools: Microsoft Visio, Rational Rose

Operating System: Windows, Mac, Linux, UNIX

Tools: Apache Camel, ESB, cucumber, Rational Rose.

Testing &logging: Junit, Jasmine, Karma, Log4J, SoapUI, Test NG, easy mock and power mock.

Karma, Protractor, Mockito, Selenium, Jenkins, Docker

Cloud D evelopments: EC2, S3, Elastic, ELB, Spring PCF (pivotal cloud foundry)

PROFESSIONAL EXPERIENCE:

Confidential, Overland Park, KS

Sr. Java/J2EE Full Stack Developer

• Involved in Full Cycle of Software Development from Analysis through Design, Development, Integration and testing phases by following Agile Software Development with Scrum methodology.
• Well versed with core Java concepts like Collections, Swing, Serialization and Servlets & JSP.
• Developed User Interface application modules using HTML, CSS and JavaScript, JSON, jQuery and AJAX.
• Wrote client-Side code using ReactJS and used NPM and gulp directories to generate the server environments used flux with redux framework to manage targeted URL’s and to monitor the application.
• Used ReactJS to implement rich functions in various pages: form validation, crud, grid list, search, sort, pagination, multi-selection, tags-input, advanced/custom directives, authentication, unit tests, etc.
• Used React.js with RXJS for building rich internet applications, and to optimize in-browser use and to load the module and to improve the Speed. Linked with API data to view render virtual DOM dynamically.
• Built REST by building NodeJS and Express JS in the back-end to handle requests sent from the jQuery, Ajax.
• Used Node.js as a proxy to interact with Rest services and interacting with Database.
• Implemented the business modules integration using Spring and Hibernate data mapping.
• Used Spring Boot Actuator for application's configuration properties in various environments, Upgraded Spring Rest Controllers and Services classes to support migration to Spring framework.
• Using Spring AOP Module to implement logging in the application for application status and deployed Spring Security for session fixation, clickjacking, cross site request forgery.
• Developed Microservices using Spring Boot, Spring Cloud with Netflix Eureka to create the discovery Server, service, discovery clients and integrated Apache Kafka and Zoo Keeper as message broker.
• Developed Microservices with Spring to retrieve API routes for the entire cluster. Using this strategy each Microservice in a cluster can be load balanced and exposed through one API gateway.
• Developed Entity objects and used Hibernate the ORM tool to access persistent data.
• Experience using persistence framework like Hibernate, JPA for mapping java classes with Database.
• Experience working on Docker Hub, creating Docker images and handling multiple images primarily for middleware installations and domain configurations.
• Worked on creation of Docker container images, tagging, pushing images, integrating Spring boot, created the Docker containers and Docker consoles for managing the application life cycle.
• Utilized AWS Lambda platform to upload data into AWS S3buckets and to trigger other Lambda functions (EC2, MongoDB) focusing on high-availability, fault tolerance, and auto-scaling).
• Involved in configuring Elastic Load Balancers with Auto scaling to handle high traffic loads.
• Experience in development of DAO's (Data Access Objects) to interact with the database using JEE, Hibernate and spring data Cassandra.
• Worked with Open API’s for various coupling functionalities.
• Regression testing algorithms for functionalities. Developed various Open API’s and worked with knowledge fusion (KF) to successfully implement the regression testing.
• Worked on JBoss Application server implementation, support, workload management and performance tuning including Web server setup configuration with JBoss App Server.
• Designed and developed custom message adapter components using Apache Kafka that allowed message to travel through Microservices to base on RESTful API utilizing Spring Boot with Spring MVC.
• Used Maven automated build scripts to compile and package the application and implemented Log4j.
• Implemented unique design patterns such as singleton, business factory and J2EE design patterns.
• Used Maven as build and dependency management tool for creating EAR, WAR and JAR file to be deployed in application servers and integrated with GitHub, Jenkins Jobs.
• Used JIRA for bug tracking, issue tracking and project management.
• Involved in converting SQL queries into Apache Spark transformations using Apache Spark RDDs and Scala.

Environment: HTML5, CSS, jQuery, AJAX, React.js, NodeJS, APIGEE, Java1.8, J2EE, Spring, Hibernate, Web Services, SOAP UI, XML, Cassandra, OpenApi, Docker, AWS, Spring Boot, Swagger-UI, Log4j, Selenium, Jenkins, JIRA, Maven, GIT, JBoss.

Confidential, Richmond, VA

Sr. Java/J2EE Full Stack Developer (Contract)

• Involved in Brain Storming sessions, Daily Scrum meetings, Sprint planning and estimation of the task’s stories.
• Used Design Patterns like Singleton, MVC, Front Controller, Service Locator, Session Facade and DAO
• Developed the web application by using Prime Faces employing AJAX at client -side components which enables rich web application content in GUI's.
• Worked on Spring modules like Dependency Injection, Aspect Oriented Programming and Spring Mail, Spring JMS and Spring Security.
• Involved in development of Agent Verification System using Spring MVC framework.
• Extensively used Hibernate mappings, HQL, EH Cache, Query, Lazy loading Transactions and Locking.
• Developed Batch Rescore Tool to rescore multiple claims using Multithreading.
• AngularJS/Rest angular framework for page rendering and ajax calls to backend RESTful services.
• Worked on MVC framework like AngularJS as a development framework to build single page applications.
• Web application development for backend system using AngularJS and Node.js with cutting edge.
• Experience with jQuery, AngularJS in templating and Bootstrap.
• UI development with technologies like HTML 5, Angular JS and Jquery.
• Used jQuery to make the application highly interactive and used JSON objects for efficient client-side coding.
• Developed GUI using JavaScript, HTML/HTML5, DOM, XHTML, AJAX, CSS3
• Built Web pages that are more user-interactive using jQuery plugins for Drag and Drop, AutoComplete, AJAX, JSON, and JavaScript, Bootstrap.
• As a core developer designed and implemented a Java Lucene based search engine for small and middle size company’s e-commerce product items search and ERP data search.
• Leverage Java Lucene search to build a graph data set to enable precise search results.
• Scanning customer profiles using Apache Lucene to prevent bad transaction in system.
• Used Spring JMS to post and consume the messages from the IBM MQ Server.
• Implemented RabbitMQ client to read incoming notifications that are placed on queue.
• Used Spring Mail for sending emails to the customers and business.
• Extensively used hibernate named queries, criteria queries, Hibernate Query Language and Optimistic Locking and Caching to process the data from the database.
• Worked with Android Studio and the latest Android SDK in developing an enterprise level mobile application
• Implemented Quartz jobs for running the batch jobs based on the Cron triggers configured in the Spring files.
• Developed Microservices with Spring Eureka to retrieve API routes and Implemented Spring Circuit breaker.
• Involved in deploying and testing the application in JBoss application server.
• Used MongoDB as a NoSQL for storing JSON data.
• Responsible for continuous monitoring and managing Elastic Map Reduce cluster through AWS console.
• Designed and installed our distributed ELK log monitoring system using File beat, Redis, Logstash, Elasticsearch, and Kibana.
• Setup and effectively use SOAP Monitor tool supplied with Apache axis to track SOAP request and response sent to and from ATLAS Webservice on daily basis.
• Utilized GIT to communicate with other team members to work on same code-base in the repository.
• Implemented validation rules using JBOSS BRMS (Business Rule Management System), a version of DROOLS.
• Log4j, Active MQ Series, Soap Webservices with Apache CXF 2.3/ JAX-RPC/ JAX-WS, JSON Rest Webservice.
• Developed Unit /Integration test cases using Junit, Easy Mock, Mockito and Selenium tools.
• Used Ant/Maven tools for building and deploying the Web applications.

Environment: Java 1.7, Spring, JPA, Hibernate, Web services, jQuery, Angular Js, AJAX, Java Script, Jenkins, Web Sphere 8.5, GIT, Google Guava, IBM MQ, NoSQL, Mockito, Spring MQ, Lucene, Spring MVC, Elasticsearch, Web Services, SOAP UI, JAXB, WSDL, Scala, XSD, AWS, XML, MongoDB.

Confidential, Phoenix, AZ

Java/J2EE Developer (Contract)

• Involved in all the phases of software development lifecycle including Requirements Collection, Design & Analysis of the Customer Specifications, Development, Deployment and Customization of the Application.
• Developed UI using HTML, CSS and jQuery to display the data on the client side. Wrote Single page web applications using Restful web services plus AJAX and Angular JS.
• Called web services with REST Architecture to specify constraints through Angular JS services to get XML file data.
• Involved in implementation of enterprise application communication and integration with Web Services and Legacy Systems using REST (Using Axis and Jersey frameworks).
• Used various Core Java concepts such as Multi-Threading, Exception Handling, Collections framework extensively to store, retrieve and manipulate data objects of application in the business logic layer.
• Involved in writing Spring Configuration XML file that contains declarations and another dependent object declaration.
• Used J2EE Design patterns like Singleton, Service Locator, Session Façade Business Delegate during development.
• Expertise in Microservices to communicate through HTTP protocol for implementing SOA approach.
• Using each Microservice in a cluster can be load balanced and exposed through one API gateway.
• Used Spring Transactions in the application and spring beans to develop Session beans for business logic.
• Spring MVC Framework IOC design pattern is used to have relationships between application components. It is also used to separate the application configuration and dependency specification from the actual application code.
• Implemented spring service layer with dependency wiring, transaction, DAO, Annotations for DI
• Designed and developed Application based on Spring Framework, Spring MVC and spring templates, Used Spring Framework for Dependency Injection and integrated with Hibernate DAOs for ORM mapping.
• Used Hibernate framework in persistence layer for mapping an object-oriented domain model to a relational database.
• Involved in Writing JPA/Hibernate queries.
• Worked on Pivotal Cloud Foundry to host Application which used to role-based access controls, applying, enforcing roles and permissions to ensure that users can only view and affect the spaces for which they have been granted access.
• Configured WebSphere Recourses like JDBC Providers, JMS providers.
• Created Connection Factories and configuring JMS Queues and Topics on WebSphere server.
• Involved in number of installations of IBM WebSphere instances from development to production.
• Installed and configured IBM Http Server, installed WebSphere plugins, involved in generating plug-in file and solving plug-in related issues
• Developed Solr engine queries for extracting metadata information of product specific logs. Used MySQL to store the extracted information.
• Built a self-updating caching layer (Redis) on Solr
• Wrote the SQL queries for CRUD operations, and Stored Procedures.
• Re-architect monolithic service into Microservices-based architecture using spring boot and pivotal cloud foundry.
• Used Selenium Data Driven framework for testing the application and integrating it with Maven Build Management Tool, TestNG Unit Testing tool and Jenkins Continuous Integration Tool for continuous delivery pipeline.
• Created and configured management reports using Splunk by identifying data patterns, metrics.
• Used Maven as the Build tool. Experienced in using assistant tools such as GIT to access the code repository and version control repository SVN (Subversion by apache).
• Implemented the logging using log4j framework which is used to log both User Interface and Domain Level Messages

Environment: J2EE, spring, Hibernate, AJAX, JMS, XML, SOAP, Apache SOLR, WSDL, REST, JDBC, JAX-WS, JavaScript, AngularJS, UML, HTML5, JAXB, SVN, Log4J, JMeter, WebSphere 8.5 Application Server, Eclipse, Oracle 11g, Maven, Jira.

Confidential

Java/J2EE Developer (Contract)

• Identified the Business requirements of the project.
• Involved in preparing System Requirements for the project.
• Involved in preparing the Detailed Design document for the project.
• Extensively used MVC, Factory, Delegate and Singleton design patterns.
• Used Java1.4 for the compilation.
• Used Spring Framework AOP Module to implement logging in the application to know the application status.
• Used Spring DAO Module along with Struts Framework to deal with Database.
• Spring MVC Framework IOC (Inversion of Control) design pattern is used to have relationships between application components.
• Developed, and debugged the servlets and EJB with WebSphere Application server.
• Developed the middle tier using EJBs, Java Servlets.
• Developed session, entity beans and message driven beans.
• Designed and Developed Presentation Tier using Spring MVC and JSP integrating Custom Tags.
• Implemented AngularJS and NodeJS with Spring MVC as model component.
• Developed custom AngularJS directives, tags and integrated with Spring forms.
• Designed and developed the UI using Struts view component, JSP, HTML, CSS, JavaScript, AJAX, JSON.
• Designed the data flow for the client-side screens and the object interaction layer for the server side components using Rational Rose.
• Involved in Use Case Diagrams, Class Diagrams and Sequence diagrams using Rational Rose.
• MQ was used to provide a single unifying transport that reduces cost and maintenance efforts, including support for HTTP, REST and JMS.
• Created standalone Scala programs to read data from several XLS files and insert data into the Database.
• Responsible for writing test cases for project, also responsible for doing black box testing using Scala.
• Used XML/XSLT for transforming common XML format and SAML for Single Sign-On.
• Designed configuration XML Schema for the application.
• Used JavaScript for the client side validation.
• Used XMLHttpRequest Object to provide asynchronous communication as part of AJAX implementation.
• Designed and implemented Java Classes to use JAXP parser to create Java objects so as to be able to modify the data received in the response.
• Used SOAP for Web Services by exchanging XML data between applications over HTTP.
• WSDL was used for publishing Web Service interfaces.
• Junit tests were written to test each module in the application.
• Wrote Ant Scripts to automate the build and deploy process.
• Involved in Code Review, Unit Testing and Integration Testing.

Environment: Core Java/J2EE, Servlets, JSP, Java Spring, JSTL, EJB, JMS, XML, XSLT, JDBC, AJAX, IBM WebSphere Application Server 7.0, Oracle 10g, WSAD, NoSQL, Scala, IBM MQ, HTML, Node JS, CSS, JavaScript, Eclipse, UML, Rational Rose, Windows XP, CVS, JUnit, ANT, Adobe Flex, Visio, TDD.

Confidential

Software Engineer (Contract)

• Developed UNIX shell scripts for applications and for FTP files from one location to another.
• Designed use case diagrams, class diagrams, and sequence diagrams as Design Phase using Rational Rose.
• Responsible for some enhancements to existing project
• Developed the Enterprise Java Beans (Stateless Session beans) to handle different transactions such as online funds transfer, bill payments to the service providers.
• Developed deployment descriptors for the EJB to deploy on Web Sphere Application Server.
• Developed Web Services for data transfer from client to server and vice versa using Apache Axis, SOAP.
• Written and executed various SQL Queries& PL\SQL programs to retrieve the data from the database Oracle.
• Developed XML documents and XSL files for Payment Transaction and Reserve Transaction systems.
• Worked on AJAX to develop an interactive Web Application and JavaScript for Data Validations.
• Build ANT Script for the application and used Log4J for debugging.
• Used JUnit Framework for the unit testing of all the java classes.

Environment: JDK 1.5, EJB 2.0, Spring IOC, HTML, JavaScript, XML, CSS, UML, SOAP, Ajax, JUnit, Ant, Eclipse, Linux, MySQL.