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Sr. Java/j2ee Developer Resume

St Louis, MO

SUMMARY:

  • An accomplished software engineer specialized in object oriented programming analysis with extensive full Software Development Lifecycle (SDLC) experience in Application Software Specifications, Design, Development, Testing and debugging, Maintenance.
  • Over 8years of strong software experience in design, development and deployment of web - based and Client-Server business applications using OOP, Java/J2EE technologies in various domains like Finance/ E-Commerce/ Banking/ Insurance.
  • Ability to efficiently translate algorithms, ideas and concepts to software applications.
  • Proficient in applying design patterns like MVC, Singleton, Session Facade, Service Locator, Visitor, Observer, Decorator, Front Controller, Data Access Object.
  • Expertise in design with Use Case, Sequence diagrams, Activity diagrams, Class diagrams with exposure to UML, tools like Rational Rose and use of Rational Unified Process (RUP).
  • Excellent experience in Object Oriented Analysis and Design (OOAD), Development, Implementation and Testing of various software applications using Java, J2EE.
  • Expertise in the implementation of Core concepts of Java, J2EE Technologies: JSP, Servlets, JSF, JSTL, EJB transaction implementation (CMP, BMP, Message-Driven Beans), JMS, IBM MQ, Struts, Spring, Swing, Hibernate, Java Beans, JDBC, XML, Web Services, JNDI, Multi-Threading etc.
  • Proficient in implementation of frameworks like Struts, spring, JSF, AJAX frameworks (Rich Faces, My Faces) and ORM frameworks like Hibernate.
  • Expertise in XML technologies such as XSL, XSLT, XML schemas, X Path, X Forms, XSL-FO and parsers like SAX, DOM.
  • Utilized the IBM WebSphere MQ for asynchronous messaging between components using JMS.
  • Expertise in developing SOA (Service Oriented Architecture), REST and J2EE Web Services based on SOAP, WSDL, UDDI, JAX-WS, JAXB, JAX-RPC using tools like Apache Axis.
  • Proven experience with Application Servers like IBMWebSphere 6.x/5.x/7.x, Oracle/BEA WebLogic9.x/8.x/7.x/6.x, JBoss and Tomcat 5.x/4.x/3/x
  • Proven experience in writing Queries, Stored Procedures, Triggers, Cursors, Functions and Packages using TOAD.
  • Excellent experience with major relational databases - Oracle 8i/9i/10g, SQL Server 2000/2005/2008, DB2, My SQL.
  • Extensive development experience in different IDE's like Eclipse 3.x, Aptana Studio, J builder 9.x/8.x, WSAD 5.x, IBM RAD and Altova XML Spy.
  • Knowledge on Grid Controls, Pie Charts and other Swing Components
  • Experience with Angular JS, JQuery, JavaScript, VBScript, Perl, AJAX, Adobe Flex, ActionScript, JSON, HTML, DHTML, CSS, Tiles, Tag Libraries.
  • Experience in software configuration management using CVS, SVN and IBM ClearCase.
  • Hands on experience with build tools like ANT, Maven and logging tools like Log4J.
  • Expertise in testing with Junit using tools like JMeter.
  • Experience in Agile software development process, Test Driven Development and Scrum.
  • Experience in Jenkins integration service for software development.
  • Experience on Flex to utilize the power of Java servers while creating expressive and interactive interfaces with a technology that has almost 100% deployment in browsers.
  • Production support-Provided development (quick fixes) and technical support for complex/ critical applications. Coordinated with other teams to resolve end-user issues promptly.
  • Excellent written and verbal communication skills, Analytical, Problem Solving skills, strict attention to detail and ability to work independently, lead/work within a team environment.

TECHNICAL SKILLS:

Java/J2EE Technologies: Servlets, JSP, JSTL, JDBC, JMS, JNDI, RMI, EJB, JFC/Swing, MQ, AWT, Applets, Multi-threading, Java Networking

Programming Languages: Java JDK1.4/1.5/1.6, C++, C, SQL, PL/SQL

Application/Web Servers: Oracle/BEA Web logic 8.1/9.1, IBM Web sphere 5.1/6.0/6.1/7.0, J Boss, Tomcat 5.0.28/6.0,Bug tracking, Jenkins.

Frameworks: Struts 2.x/1.x, Spring 3.x/ 2.x, Hibernate 3.x, JSF 1.2/2.0,iBatis,Flex

IDEs: Eclipse 3.x, IBM WSAD, IBM RAD 7.x/6/x, IntelliJ

Web technologies: JSP, JavaScript, J son, j Query, AJAX, XML, XSLT, HTML, DHTML, CSS

Web Services: JAX-WS, JAX-RPC, JAX-RS, SOAP, WSDL, UDDI, REST

XML Tools: JAXB, Apache Axis, Altova XML Spy

Methodologies: Agile, Scrum, RUP, TDD, OOAD, SDLC

Modelling Tools: UML, Rational Rose, Visio

Testing technologies/tools: JUnit, JMeter, Html Unit

Database Servers: Oracle 8i/9i/10g/11g, DB2, SQL Server 2000/2005/2008, MySQL

Version Control: CVS,SVN, Rational clear case, git

Build Tools: ANT, Maven

Platforms: Windows 2000/98/95/NT4.0, UNIX, Windows 7

PROFESSIONAL EXPERIENCE

Confidential - St. Louis, MO

Sr. Java/J2EE Developer

Responsibilities:

  • Developed the J2EE application based on the Service Oriented Architecture.
  • Used Design Patterns like Singleton, Factory, Session Facade and DAO.
  • Developed using new features of Java 1.7 Annotations, Generics, enhanced for loop and Enums. Used spring and Hibernate for implementing IOC, AOP and ORM for back end tiers.
  • Involved in writing Thread Safe blocks for multithread access to make valid transactions.
  • Created and injected spring services, spring controllers and DAOs to achieve dependency injection and to wire objects of business classes.
  • Configured and build Asynchronous communication with JMS services with MQ Series.
  • Used Spring Inheritance to develop beans from already developed parent beans.
  • Worked on Spring Quartz functionality for scheduling tasks such as generating monthly reports for customers and sending those mails about different policies.
  • Developed various generic JavaScript functions used for validations.
  • Developed screens using jQuery,JSP, JavaScript, AJAX and Ext JS.
  • Developed various generic JavaScript functions used for validations.
  • Developed screens using HTML5, CSS, JavaScript, JQuery and AJAX.
  • Used Aptana Studio and Sublime to develop and debug application code.
  • Used X Stream API to transfer data back and forth between Spring MVC and Ext JS.
  • Used AJAX extensively to implement front end /user interface features in the application.
  • Developed the presentation layer and GUI framework in JSP and Client-Side validations were done.
  • Implemented SOA to develop REST Based Web services using Apache Axis.
  • Developed RESTWeb Services clients to consume those Web Services as well other enterprise wide Web Services.
  • Designed and developed custom message adapter components that allowed message to travel through IBM MQ Series XML Beans and JMS.
  • Exposed the Web Services to the client applications by sharing the WSDL’s.
  • Created logical and physical data models putting to practice, concepts of normalization and RDBMS.
  • Used Hibernate framework for back end development and Spring dependency injection for middle layer development
  • Involved in a full life cycle Object Oriented application development - Object Modeling, Database Mapping, GUI Design
  • SVN was used for project management and version management.
  • Deployed the application on Websphere 7.0 application server.
  • Developed Functional Requirement Document based on users’ requirement.
  • Experience with Flex framework for building and maintaining web applications

Environment: Core Java, J2EE, Spring framework, Spring MVC, Hibernate 3.x, jQuery, JSON, JSF, Servlets 2.3, JDBC, AJAX, Web services, SOAP, XML, Java Beans, XStream, Apache POI, Ext JS, JQuery, Restful, JavaScript, Oracle 11g, IBM RAD, Websphere 7.0, Agile Methodology, Design Patterns, SVN, Apache Maven, JUnit, Html Unit, XSLT, HTML/DHTML.

Confidential - St. Louis, MO

Sr. Java/J2EE Developer

Responsibilities:

  • 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 Java 1.6 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. It is also used to separate the application configuration and dependency specification from the actual application code.
  • 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 the UI using Struts view component, JSP, HTML, CSS andJavaScript, 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.
  • 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 XML Http Request 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.

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

Confidential

Sr. Java/J2EE Developer

Responsibilities:

  • Involved in various phases of Software Development Life Cycle (SDLC) of the application like Requirement gathering, Design, Analysis and Code development.
  • Worked as a team lead of the project.
  • Generated Use case diagrams, Class diagrams, and Sequence diagrams using Rational Rose
  • The application is designed using J2EE design patterns and technologies based on MVC architecture
  • Agile Methodology is used for development of the application.
  • Used J2EEdesign patterns like Value Object Pattern, Session façade, Singleton, Factory and DAO.
  • Spring with Tiles Framework is implemented for a common look in all the presentation views.
  • Integrated struts MVC with spring DI and Spring hibernate DAO
  • EJB Session Beans were used to process requests from the user interface and CMP entity beans were used to interact with the persistence layer.
  • Developed EJB MDB’s and message Queue’s using JMS technology.
  • Implemented security for different front end views based on the access privileges.
  • Involved in writing XML validation classes using Struts validation framework.
  • Designed the user interfaces using JSPs, AJAX and Struts Tags.
  • Used XML Web Services using SOAP to register agents using non-java application.
  • Used RAD IDE based on Eclipse for writing code for JSP, Action Classes, Struts and spring beans.
  • Involved in writing DAO, DTO’s using Hibernate DAO Support.
  • Implemented persistence layer using Hibernate that uses the POJOs (which do not have the business processes) to represent the persistence database tuples.
  • Used IBM WebSphere Application Server to deploy the application.
  • Developed Junit test cases for DAO and Service Layer methods.
  • Used SVN for version control of the application.
  • Used Log4J to capture the log that includes runtime exceptions.
  • Developed the ANT scripts for preparing WAR files used to deploy J2EE components.
  • Interacted with quality assurance team for requirements gathering and analysis.

Environment: Core Java, J2EE, JSP, Struts, Spring, OOAD, Oracle 9i, HTML, EJB3, AJAX, JMS,XML, Design Patterns,ANT, Rationale Rose, IBM RAD IDE, Soap, IBM WebSphere Application Server 6.1, Restful, Hibernate 3.0, LOG4J, SVN, TOAD, JUNIT, UML.

Confidential, Miami, FL

Java/J2EE Developer

Responsibilities:

  • Involved in various phases of Software Development Life Cycle (SDLC) of the application like Requirement gathering, Design, Analysis and Code development.
  • Generated Use case diagrams, Class diagrams, and Sequence diagrams using Rational Rose.
  • Developed the applications using Java, J2EE, Struts, JDBC
  • Worked on various use cases in development using Struts and testing the functionalities.
  • Involved in preparing the High Level and Detail level design of the system using J2EE.
  • Created struts form beans, action classes, JSPs following Struts framework standards.
  • Implemented the database connectivity using JDBC with Oracle 9i database as backend.
  • Involved in the development of model, library, struts and form classes (MVC).
  • Used display tag libraries for decoration and used display table for reports and grid designs.
  • Designed and developed file upload and file download features using jdbc with Oracle Blob.
  • Worked on core java, using file operations to read system file (downloads) and to present on JSP.
  • Involved in the development of underwriting process, which involves communications without side systems using IBM MQ and JMS.
  • Used PL/SQL stored procedures for applications that needed to execute as part of a scheduling mechanisms.
  • Designed and developed Application based on Struts Framework using MVC design pattern.
  • Developed Struts Action classes using Struts controller component.
  • Developed SOAP based XML web services.
  • Used SAX XML API to parse the XML and populate the values for a bean.
  • Used Jasper to generate rich content reports.
  • Developed XML applications using XSLT transformations.
  • Created XML document using STAX XML API to pass the XML structure to Web Services.
  • Apache Ant was used for the entire build process.
  • Used Rational Clear Case for version control and JUnit for unit testing.
  • Used quartz scheduler to process or trigger the applications on a daily basis.
  • Configured WebSphere Application server and deployed the web components.
  • Provided troubleshooting and error handling support in multiple projects.

Environment: Core Java, Flex, EJB, Struts, Spring, JSP1.2, Servlets2.1, Jasper reports, JMS, IBM MQ, XML, SOAP, UDDI, WSDL, JDBC, JavaScript, XSLT, XML, UML, HTML, JNDI, Rational Rose 98, Restful, Oracle 9i, IBM Websphere 6.0, ClearCase, Log4J, ANT, JUnit, IBM RAD, and Apache Tomcat.

Confidential - Detroit, MI

Java Developer

Responsibilities:

  • Designed the application using the J2EE design patterns such as Session Façade, Business Delegate, Service Locator, Value Object, Value List Handler, Singleton.
  • Developed Use case diagrams, Object diagrams, Class diagrams, and Sequence diagrams using UML.
  • Developed presentation tier as HTML, JSPs using Struts Framework.
  • Developed the middle tier using EJBs.
  • Developed session, entity beans and message driven beans.
  • Entity Beans used for accessing data from the SQL Server database.
  • AngularJs opinionated about how a CRUD (Create, Read, Update, Delete) application should be built.
  • Prepared high and low level design documents for the business modules for future s and updates.
  • Deployed the application on Websphere application server in development and production environment.
  • Undertook the Integration and testing of the different parts of the application.
  • Developed automated Build files using ANT.
  • Used Subversion for version control and log4j for logging errors.
  • Code Walkthrough, Test cases and Test Plans.

Environment: Core Java/J2EE, Struts 1.2, Tiles, EJB, JMS, Servlets, JSP, JDBC, HTML, CSS, JavaScript, JUnit, Websphere 7.0, Eclipse, SQL Server 2000, log4j, Subversion, Windows NT.

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