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.

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

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