SUMMARY:

• Around 7 years of extensive experience in Design, Development Testing of software applications.
• Expertise in multi-tier service oriented and web based J2EE applications.
• Strong J2EE/Java application architecture, modelling and development background, with experience in defining functional/technical specifications.
• Expertise in several J2EE Technologies like JSP, Servlets, JAX-WS, JAXB, JMS, JPA, JDBC, JAX-RS, JSF.
• Excellent working knowledge of popular frameworks like spring, Hibernate, and Struts2.
• Design patterns like Dependency injection, Singleton, DAO, DTO, Business Delegate, Session Facade, Intercepting filters, Factory pattern, Service Locator, Front Controller, Command pattern, MVC.
• Experience in Web Services development using CXF, Axis2 Frameworks.
• Highly result oriented and pro-active with the ability to learn new technologies quickly and implement them successfully in production.
• Expertise in reviewing and prioritizing client requirements, creating project proposal scope, estimation and baseline project plan, and devising effective Design Flows.
• Expertise in Normalized Database Design and writing Sub Queries, Stored Procedures, Triggers, Cursors, Functions and, performed data analysis using SQL Developer for Oracle, TOAD for Oracle, EMS SQL Manager.
• Expertise in creating Conceptual Data Models, Process/Data Flow Diagrams, Use Case Diagrams, Class Diagrams, State Diagrams, Sequence Diagrams Activity Diagrams.
• Experience in estimating, project planning specialized in development phase, testing phase implementation phase , using RUP and Agile methodologies.
• Ability to transform complex business requirements into technical design specifications.
• Capable of working independently as well as a part of dynamic team. Ability to quickly grasp business domain.

SKILL SET:

PROJECT SUMMARY:

Confidential

Java Developer

Responsibilities:

• Studied the scope of the Project and scaled the estimates with the Design Team.
• Effectively interacted with Design Team members, and contributed to Interaction Sequence Flows.
• Created the technical documentation including the Function Specifications, ER Diagram, LL Sequence Flow Diagram, and Service specifications.
• Defined the required services based on the design and finalized the method signatures.
• Created the Service WSDL's for the finalized set of services with the corresponding operations and designed the corresponding SOAP-UI Test Cases.
• Contributed to the design of the Database schema, setup the database in Oracle 10g and created corresponding hibernate DAOs.
• Defined the Service Layer DAO's which interact with the Hibernate DAO, JMS services and external web services.
• Generating the Service Classes, and defining Service Layer interfaces and DAO integration.
• Worked on Spring application framework with the features IOC container and AOP for request/response logging.
• Configured CXF Interceptors for request filtering, header validation and message integrity validation.
• Setup Spring Batch 2.5 Job by configuring job Tasklets, Quartz Scheduler and Listeners for error handling, report generation and service retry mechanisms on failures.
• Defined Hibernate Named Queries for Batch related operations while defined Criteria Queries for Web service operations.
• Used Freemarker Templates to generate the sample request and response templates for the external web service invocation.
• Used Log4J to logging, debugging, and providing warning and info on the server console.
• Involved in creation of Test Cases for SOAP-UI Test Suite and carried out Load testing using Load UI.
• Used ClearCase Native Client as configuration management tool for code versioning and release management.
• Used ERACOM HSM Module for Dynamic Key Exchange between the application servers and to encrypt/decrypt the customer card data before storage.
• Involved in debugging and troubleshooting related to environment issues

Environment:

Java 1.5, J2EE 1.5, JAX-WS 2.2, XML, Spring 2.0, Hibernate2, Struts2, Log4j, CXF 2.0, Axis 2, XPath, FreeMarker 2.3, Oracle SQL Developer, Oracle SQL Developer Data Modeler, IBM Websphere 6.1/7.0, Oracle Database 10g, UML, Clear Case, PL SQL, SOAP-UI 4.0.1, Cruise Control, Microsoft Visio, Eclipse Galileo.

Confidential

Java Developer

Responsibilities:

• Actively involved in Analysis, Detail Design, Development, Bug fixing and Enhancement in Agile methodology. Involved in daily scrum and month sprint planning meetings.
• Involved in development of Business layer and the presentation layer of DWS and Agent site modules.
• Extensively involved in developing REST web services based java clients and producers to communicate with Mainframe and SharePoint systems using IBM-WINK.
• Used Jackson JSON API to serialize and de-serialize JSON data for interacting with SharePoint.
• Used SAX and DOM XML parsers to parse and build XML files for interacting with the mainframe Mobius system.
• Registered and used web services in WSRR Web Services Registry and Repository .
• Developed module to communicate with WSRR and obtain the end point URL for a particular web service.
• Used IBM WID and WESB and designed the mediations for accessing the web Services.
• Developed data source for Document Web Services module in WebSphere server and using JNDI reference to access the data source in WebSphere.
• Involved in Implementation of middleware framework of the Agent Site module using Hibernate and Spring Frameworks.
• Used Spring MVC as web framework and Spring to develop light weight business components.
• Implemented Spring Inversion of Control by way of Dependency Injection.
• Developed User interfaces Components for the ECM-front end module using JSF.
• Used Asynchronous JavaScript and XML AJAX , JQuery, JavaScript, HTML, XSLT and CSS for better, faster interactive Front-End.
• Implemented Design Patterns like Front Controller, MVC, Business Delegate, Data Transfer Objects and Data Access Objects.
• Developed various helper classes using Core Java multi-threaded programming and Collection classes.
• Used SQL server database for backend data storage.
• Performed Unit testing of web services modules using JUNIT.
• Implemented logging for error tracking using Log4J, SLF4J and fixed the errors.
• Created Use cases and Sequence diagrams using UML.

Environment:

JAVA, J2EE,SOAP/REST Web Services, XML, Struts, JQuery, AJAX, XSLT, Servlets, HTML, CSS, JavaScript, UML, Junit, ANT, Log4j, Eclipse, IBM WID 7.0, IBM WebSphere Application Server, IBM WESB WebSphere Enterprise service bus , SQL, PL/SQL, MS-SQL server 2008.

Confidential

Java Developer

Responsibilities:

• Worked as a lead developer in sprint teams in an Agile environment.
• Designed and developed various modules of the application with J2EE design architecture.
• Implemented J2EE design patterns such as Factory, DAO, Session Facade, Singleton, Value object.
• Designing the User interface using JSF, HTML and JavaScript.
• Framework leverages JSF features like Event handling, Validation mechanisms and state management.
• Creation Managed been used to instantiate backing beans used in a JSF application and stores them in a Scope.
• Used Hibernate for Object Relational mapping.
• Implemented features like logging, user session validation using Spring-AOP module.
• Developed client request validations and processing using JavaScript.
• Used Spring Framework at Business Tier and also spring's Bean Factory for initializing services.
• Used Session Beans for business logic and Entity Beans for database persistence.
• Developed server-side services using Java multithreading, Struts MVC, Java, Springs, Web Services SOAP, AXIS .
• Wrote application front end with HTML, JSP, Ajax/JQuery, Struts Tag-libraries. Wrote custom JSP tags for role-based sorting and filtering.
• Used Software development best practices from MVC, spring, databases.
• Develop and execute Unit Test plans using JUnit ensuring that results are documented and reviewed with Quality Assurance teams responsible for integrated testing.
• Provided extensive pre-delivery support using bug fixing and code reviews.

Environment:

Java, J2EE,JSF, Springs, Struts, Hibernate, EJB,JMS, Servlets, JSP, JSP Tag Libraries, Java Script Libraries, HTML JDBC 2.0, JUNIT, XML, XSLT, Eclipse, Swings, ANT, Weblogic server, SOAP, WSDL, Webservices, JAXB, Oracle, Windows XP.

Confidential

Java/J2EE Developer

Responsibilities:

• Developed J2EE, EJB Enterprise Java Bean Components and deployed on Weblogic Application Server.
• Designing and building of client-controller packages to comply MVC Model View Controller design paradigm using Struts.
• Used Jakarta Struts 1.1 validations Framework.
• Involved in several JSP tags to modularize and stream line web page code and Implemented MVC architecture.
• Involved in creating JMS Server configuration and worked with point - point and publish and subscribe messages.
• Involves extensively coding in database access by stateless session EJB, action control by Servlet classes, and presentation tier by JSP/HTML pages with custom tag, tag library JSP templates.
• Responsible in creating Servlets which route submittals to appropriate Enterprise Java Bean EJB components and render retrieved information under UNIX Environment.
• Implemented JDBC API to communicate with the database.
• Performed client side validation using JavaScript and server side validation using Struts Validation Framework.
• Created several Stateless Session and Message Driven Beans and deployed using Weblogic Application Server.
• Involved in system data analysis, design and implemented on MySQL. Optimized system performance by writing stored procedures and calling them using JDBC callable statements.
• Created XML files and applied XSL to enable users to access the system. JAXP API was used in processing XML files with DOM and SAX parsers.
• Created stored procedures for inserting and updating the database which are called in DAOs.
• Testing and Debugging using JUnit and building the application using ANT.

Environment:

Java, J2EE, JSP, JSTL, EJB, Struts, Servlets, Java Beans, JMS, JDBC, J2EE Design patterns, Weblogic 6.1, HTML, JavaScript, CSS, XML, XSL, DOM, SAX, SOAP, UML, ANT, JBuilder, Log4j, VSS, SQL, PL/SQL, MySQL and Windows.