SUMMARY:

• 9+ years of IT experience as Sr. Java/J2EE Developer and with expertise in Spring, B2B, EAI, Web and Client/Server Applications.
• Expertise in designing, developing and deploying applications using J2EE technologies including Spring, Hibernate, Servlets, JSP, EJB, JSTL, Struts, JSF, JMS, AJAX, JDBC, JNDI, Java Beans and Web Services.
• Developed and Implemented web - services using RESTful, SOAP, and WSDL.
• Implemented Java 8 features like Default Methods, Streams, and Lambda expressions.
• Restructured NoSQL Databases like Cassandra, and MongoDB and other Big Data Technologies (Hadoop Apache Hive, Spark, MapReduce) in testing and implementation phase.
• Engaged in writing and performance tuning database queries and stored procedures using Oracle, DB2 and MySQL databases.
• Developed applications on Amazon Web Services (AWS) Cloud environment.
• Expertise in Web-Development technologies like HTML5, DHTML, JavaScript, JQuery, CSS3, XML and XSLT and AJAX.
• Applied JavaScript frameworks like Angular.JS, Backbone.JS, Node.JS and React.JS.
• Built scalable environment using Agile/SCRUM, Test Driven Development(TDD) methodologies.
• Expertise in Web Services architecture in SOAP and WSDL using JAX-WS.
• Experience in using frameworks and tools like J Unit.
• Extensive experience in using SQL to write Stored Procedures and Triggers.
• Well versed with complete systems life cycle development processes of design, development, testing and implementation.
• Good experience in Object Oriented Analysis & Design (OOAD) using different design methodologies/process frameworks like SDLC and tools like Rational Rose, Microsoft Visio.
• Developed web applications by implementing Model View Control (MVC) architecture using JSP pages that interact with Servlets.
• Document preparation including Requirement Specification, design documents, Test cases and Analysis, User Training documents and Technical Help documents.
• Experience in working with Virtual and Multi National Team.
• Excellent communication, interpersonal and analytical skills along with can - do attitude.
• Ability to learn and use new systems and paradigms in considerably less time.

PROFESSIONAL EXPERIENCE:

Confidential, Richfield, MN

Sr. Java Developer

Responsibilities:

• Developed and maintained Java/J2EE distributed applications using Spring MVC framework.
• Used Spring BOOT to create stand-alone Spring applications.
• Developed Model Components Action beans, Action Form beans, and Data Transfer Objects of Spring MVC Framework.
• Used Hibernate Framework for object relational mapping and persistence.
• Worked on middle tier framework with Spring Hibernate and Spring connectors to tie back-end business logic/systems with web properties via a corresponding RESTful API.
• Developed Servlets and JSPs based on MVC pattern using Struts framework and Spring Framework.
• Wrote Restful web services to communicate with MongoDB and performed CRUD operations on MongoDB using restful web services.
• Developed dynamic responsive Web Application by integrating Angular.JS with Bootstrap which is further integrated with Web Services.
• Developed generic Java packages to produce and consume JMS messages through topics and queues in asynchronous message processing with guaranteed delivery.
• Implemented a complete User Interface for the client web application using Angular.JS.
• Developing Chatbot scripts in JavaScript using Node.js and packaging software for deployment using Docker.
• Implemented Front end/client scripting languages like JavaScript(Angularjs), Bootstrap and .pug files
• Developed JavaScript API's for Ajax with Dojo Tool kit using the Dojo components and Dojo grid.
• Used JavaScript libraries like Knockout JS and CSS libraries like Bootstrap.
• HTML5, CSS, jQuery and AngularJS framework modules in conjunction with Bootstrap to render responsive web pages.
• Extensively involved in writing SQL queries (Sub queries and Join conditions), PL/SQL programming.
• Worked with Flat file adapters, FTP and JDBC Adapters.
• Established Database Connectivity using JDBC, Hibernate O/R mapping with Spring ORM for MySQL Server.
• Working on implementing MongoDB as the NoSQL database for this application.
• Performed CRUD operations like Update, Insert and Delete data in NoSQL database like MongoDB.
• Develop SOAP web services using SwitchYard framework in FUSE Server
• Used various open source technologies like Apache Camel, JBoss Fuse, Apache CXF to replace proprietary technologies like Oracle ESB.
• Knowledge of eclipse and intellij idea tool for the development of java projects.
• Provide tuning recommendations for Websphere Portal & Application Server (Thread Pools and TCP/IP Parameters)
• Worked on IBM MQ-Series, JMS, RabbitMQ, ActiveMQ, Web Sphere, WSAD, and DB2.
• Build and release the code from Clearcase, Subversion and Perforce.
• Experience in Version Controlling with SVN, Versions, GitHub & Source tree.
• Created Rest Resource for Integrating SOAP services Integration and write the JUNITs.
• Work with Agile Development Methodology both Scrum and Kanban board
• Developed the UML Use Cases, Activity, Sequence and Class diagrams using Rational Rose.
• Created Use case diagrams, Class diagrams and Activity diagrams using Microsoft Visio.
• In an Agile environment, developed new functionalities for a large-scale, high-volume web application using Java, SOAP, REST, Eclipse, JUnit, Spring, and Git.
• Involved in modifying the existing JSP's and writing the new controllers using Spring MVC and used IBatis for object relational mapping.
• Created Hibernate mapping files for Java classes using table per class hierarchy strategy.
• Extensively involved in Spring and DAO business logic implementation for this application.
• Used JIRA and Confluence as part of Bug tracking and requirement gathering tools for the SDLC methodology.
• Utilized React.JS for its efficient data flow architecture to create a lightweight and render efficient web app that fetched results via the GitHub API through keywords.
• Designed SPAs (Single Page Applications) using Angular.JS concepts of Directives, Services, Promises, Templating, Scope, Dependency Injection and two-way data binding.
• Developed a web control console using GWT to manage data matching for data staging.

Environment: s: Java, J2EE, Spring, Hibernate, IBatis, SCRUM, AWS, NoSQL, PL/ SQL, Oracle, SQL, SOAP, REST, Hadoop, Cassandra, APACHE CXF, Eclipse, Weblogic, MongoDB, Agile, SOA, HTML5, CSS3, JavaScript, Angular.JS, Node.JS, Backbone.JS, JSP, Junit, Xml, Soa

Confidential

Sr. Java Developer

Responsibilities:

• Responsible for developing web services with Spring, Apache CXF, JAXB.
• Generated Hibernate XML files for the configured beans. The business logic was written in EJB DAO classes and the service layer classes were configured in Spring-service.xml.
• Configured Spring managed beans and their scopes.
• Developed and Implemented WebServices and used Spring Framework.
• Developed Hibernate DAO Accessor Classes using Spring JDBC Template and Implemented various cross-project functionalities using Spring AOP.
• Architected Hadoop clusters translation of functional and technical requirements into detailed architecture and design.
• Designed and developed Servlets, JSPs, JavaBeans with dependency injection to implement JSF framework.
• Wrote scripts to automate application deployments and configurations on Hadoop.
• Developed presentation layer and GUI framework using Ext.JS and HTML. Client Side validations were done using JavaScript.
• Developing and Testing UX Designed Wireframes using React JS, Bootstrap with ECMA6 Standards.
• Worked on the modernization of a legacy and outsourced UI. Technologies used were Backbone.JS, Angular.JS, Ember.JS.
• Developed Model View Controller (MVC) architecture based Web Applications in Ruby on Rails, Backbone.js and Code Igniter.
• Implemented various Ajax Frameworks and JavaScripts using jQuery, DOJO, JSON.
• Expertised in Web-Development technologies for User Interface Development like HTML, DHTML, JavaScript, SASS, XML and XSL/XSLT and AJAX.
• Expertised managing Oracle or MSSQL Server.
• Developed complex database objects like Stored Procedures, Functions, Packages and Triggers using SQL and PL/SQL.
• Worked on performance tuning of cluster using Cassandra Configuration file and JVM Parameters.
• Developed application in Eclipse IDE with Java, Google Web Toolkit, Hibernate, CSS, JBoss, HTML & Oracle DB.
• Extensively used IBM Websphere Portal APIs for authentication and personalization features.
• Used GIT for version control and JENKINS for continuous integration.
• Developed JUnit test cases for all the developed modules.
• Executed project using waterfall model and practiced Agile Project Management & performed the Scrum Master role for specific projects/requirements as appropriate.
• Created web application and websites using RUP methodologies.
• Used Java Design Patterns and Unified Modeling Language (UML) in designing JEE applications.
• Developed a RESTful service to provide all the CRUD capabilities.
• Used WSAD Application Server to deploy this application.
• Used Apache Camel in the JBoss Fuse ESB as the integration platform for SOA Services.

Environment: s: Java, Spring, Hibernate, Struts, REST, JSF, PL/SQL, MongoDB, Apache Tomcat, Struts, SOA, EJB, Eclipse, JQuery, DOJO, SOAP, Servlet, Hadoop, HTML, JavaScript, CSS, Angular.JS, Backbone.JS, Node.JS, Junit, SVN, ITEXT, Db2, Pl/ Sql, JDBC, Mongodb, Soap, Web Services, Eclipse, SVN, Junit, Scrum, UML, JSP, XML, SOA, JMS

Confidential

Sr. Java Developer

Responsibilities:

• Developed applications using JAVA Spring MVC, Apache Camel, Oracle.
• Involved in developing the Spring Boot Application with iBatis classes for ORM Mapping.
• Implemented Struts MVC design pattern as part of this project along with EXTJs for validations and controllers.
• Involved in designing the user interfaces using JSF.
• Created ClearCase VOBs and setup triggers and backups for a new project
• Expertise in employing Water Fall Model and best practices for software development
• Used iBATIS framework with Spring framework for data persistence and transaction management.
• Used JSF messages for handling the error messages for the applications
• Used EJB, JMS, Java Script in enhancement of the product
• Designed and implemented database structure in MySQL Server
• Used TOAD for database query testing, in the process of optimizing the queries
• Created and Implemented Keyword Driven Framework using Selenium.
• Utilized Water Fall Model and best practices for software development
• Designed Use Case Diagrams, Class Diagrams and Sequence Diagrams and Object Diagrams to model the detail design of the application using UML.
• Use IBM MQ Series to send information from mainframe to web and back to mainframe
• Used all aspects of MySQL/PHP Programming (object oriented PHP), Framework in LAMP environment.
• Used TOAD for all database query testing and optimizations
• Designed the database and coding of SQL, PL/SQL, Triggers and Views using IBM DB2.
• Designed and developed DAO layer with Hibernate3.0 standards, to access data from IBM DB2
• Implemented migration from Oracle coherence cache with Hazelcast cache.
• Used Netbeans for development and WebLogic Application Server for deploying the web application.
• Experienced working with Application like servers Apache Tomcat, WebLogic, JBOSS.
• Migrated the code base from Subversion/Clearcase to GIT
• Automating iText Content Management System using Selenium Webdriver & Pyunit Testing framework
• Worked in Agile/Scrum Environment for Minor Enhancements of Reliant Energy Web Site and Mobile App or Mobile WEB. All other Projects were following Waterfall Model.
• Designed the UML diagrams based on the OOAD principles
• JSON is used for serializing and deserializing data that is sent to or receive from JSP pages.
• Full client side implementation of implementing OAuth and SAML algorithm for SSO access.
• Used Netbeans IDE for development, configured and deployed the application on Tomcat Server.
• Used J2EE to communicate legacy COBOL based mainframe implementations.
• Deployed the applications in Linux servers using deployment scripts.
• Designed and developed programs in C++ to integrate as per the users requirements.
• Created/translated PL/I programming into SAS, which were used as part of the process used to standardize military personnel records
• Worked on maintenance and support of legacy ASP.NET web applications.
• Developed Dash-Board to monitor and report Cache Coherence Servers.

Environment: s: Java, Spring, Hibernate, Hibernate, Bootstrap.JS, Angular.JS, Backbone.JS, Node.JS, MongoDB, Apache Tomcat, Selenium, Water Fall Model, Oracle ADF, Oracle BPM, IBMMQ Series Swing, WebSphere, DB2, Oracle BPM, Apache Tomcat, Linux, Unix, Ruby, C, C++, COBOL, PL/I, JCL, SQL, SAS VB, ASP.

Confidential, Chicago, IL

Java Developer

Responsibilities:

• Implemented the server side design using the industry standard J2EE design patterns like Business Delegate, Service Locator, Business Interface, Session Facade, and Data Access Object.
• Utilized various Rational Rose design methodologies for developing the framework.
• Used J2EE design patterns like Spring MVC
• Developed the application using Spring framework.
• Created sequence diagrams to show the page flows using WSAD.
• Developed Client side screens in XML using XSLT.
• Developed front-end screens using JSP and Tag Libraries.
• Used Hibernate for mapping object oriented design model to relational database.

Environment: Java, Spring, Hibernate, Hibernate, Bootstrap.JS, Angular.JS, Backbone.JS, Node.JS, MongoDB, Apache Tomcat, Mercurial, Water Fall Model, Oracle ADF, Oracle BPM, IBMMQ Series Swing, WebSphere, DB2, Rational Rose, Javascript, Xml, Html, Junit

Confidential, Seattle WA

Software Developer

Responsibilities:

• Involved in analysis, design and development of Portfolio Management.
• Created Use case diagrams, Class diagrams and Activity diagrams using Microsoft Visio.
• Developed front-end using JSP, HTML, CSS, JAVA Script and J query.
• Developed the bean classes for better data exchange between the MVC layers
• Successfully differentiated presentation from code.
• Used multi threading and socket programming.
• Deployed the application on WebLogic Application Server.
• Created connection pools and data sources.
• Modified JavaScript to read client side activities (events) and data and event validations.
• Extensively used Collabnet subversion for version control.
• Used Glassfish Server for deploying various components of application.

Environment: Java, Struts, Hibernate, Eclipse, JSP, JUnit, Servlets, SVN, Mysql, Windows XP Professional, Java Script, JQuery, Glassfish Serve.

Confidential, Columbus, OH

Java/J2ee Developer

Responsibilities:

• Involved in modifying, updating and testing of the component.
• Modified JSPs, used struts tag libraries and Java Server Pages Standard Tag Library (JSTL).
• Maintained Struts architecture throughout the application.
• Responsible for developing Servlet.
• Involved in implementing database design, connectivity and access.
• Wrote MySQL queries and used JDBC API.
• Worked in Windows environment for building the application using net beans IDE.
• Developed test cases and performed unit testing using J Unit.
• Suggested ER models and changes in the table structures
• Solved performance issues and brought optimal output from the available resources.

Environment: s: Java, J2EE, Sybase, Server, JSTL, SQL, Server, Struts Frame Work, Servlets, Jsp, Ejb, Wincvs, Javabeans, Eclipse, Uml, Windows Xp/Linux.

TECHNICAL SKILLS

Languages: Java, Flex, JavaScript, PL/SQL, T-SQL, C# .Net, HTML, XML

Web: Flex, JSF, Struts, Spring, Hibernate, WebLogic, Jboss, Tomcat

Databases: SQL Server, Oracle, MySQL, DB2

Tools: Eclipse, Flex Builder, NetBeans, RSA, MS Visio

Platforms: Windows, UNIX

Design Patterns: Observer, Strategy, Iterator, Command, State, COR.

SDLC Methodologies: Agile, RUP, CMMI