SUMMARY

• About 8 years of experience in software engineering, Expert in Core Java, J2EE software development environment.
• Extensive hands - on experience in JSP, Servlet, Struts, JDBC, Spring, Hibernate, Web Service.
• Solid understanding in OOD/OOP programming, such as Collection, Reflection, Annotation, Generics, Multi-Threading.
• Good knowledge of GOF Design Pattern, such as Singleton, Factory, Decorator, Adapter, delegate, etc.
• Around 2 years RIA experience in HTML 5, XML, DOM, JavaScript and JQuery. Hands on experience in JQuery event, JQuery widget and AJAX.
• Over 3 years RIA experience of development environment in Adobe Flex 4.1 and expert in ActionScript, MXML, Flex Components, Flex Event, Cairngorm MVC, Swizz.
• Over 7 years of experience in Database. Expert in SQL Server Database, MySql database, Oracle Database and IBM DB2.
• Extensive experience writing PL/SQL, T-SQL, trigger, store procedures in database such as MS-SQL, MySQL, Oracle, Sqlite3 etc. Rich experience in Data modeling and Database design.
• Experience in Version Control such as CVS, SVN, IBM Rational ClearCase.
• Expert in Java/J2EE Software Development Life Cycle (SDLC) of project which include System analysis, documentation, development, testing, and deployment. Familiar with Agile and Extreme programming.
• Experience in .NET platform using C#, ASP.NET, ADO.NET. Experience in Android platform.
• Excellent knowledge of business, vehicle insurance, banking and commercial domain.
• Excellent verbal, written communication skills, a good team player and easy to pick up things.

TECHNICAL SKILLS

Programming Language: Java, C/C++, C#, ASP.NET, HTML/HTML5, CSS, JavaScript, SQL, DOM

Flex: ActionScript3, MXML, BlazeDS, Cairngorm, Flex Component, Swiz

J2EE Technologies: JSP/Servlet, JDBC, JavaMail, Web Service, EJB, JQuery, REST, SOAP

Frameworks: Struts 1.x/2.x, Spring 2.x, Hibernate2.x, JUnit, Unix/Linux Shell Scripting, groovy

Design Pattern: MVC, Singleton, Factory, DAO, DTO, Observer, Delegate

Database: Oracle 10g/11g, SQL Server 2005/2008/2010 , MySQL, Sqlite 3, DB2

Application Server: Tomcat 5.x/6.0, Websphere, JBOSS, IIS, XAMPP

Operating System: Windows 95/98/2000/XP/7, Linux, MacOS, Android 2.x/3.x

IDE & Tools: Eclipse, Visual Studio 2008/2010, Flex Builder 3/4, DreamWeaver, Netbeans, Jcreator

Version Control: CVS, SVN, IBM Rational ClearCase

PROFESSIONAL EXPERIENCE

Confidential, CA

Java/JQuery developer

Responsibilities:

• Responsible for SDLC, designed, implemented and tested for insurance application (online exchange system).
• Adopted Spring IoC, AOP, Security for back-end framework design. Created Queue for online application response. Used Soap concept for the web service design and implementation. Worked with multiple web service for consumer/broker/agency operations.
• Created XML format for data parsing from UI to web service. Used SoapUI for XML and web service testing.
• Applied JSP/HTML/Spring Web flow/JQuery for UI design include consumer information, health plan, Eligibility Results (Check with FFM to get response), payment, products Confirmation and Summary.
• Configured Ajax for communication between Front-UI and Web services such as consumer basic information, Eligibility check, Application submission and payment.
• Worked with MySQL database for Data fetching and testing.
• Used SVN and IBM Rational ClearCase for version Control.

Confidential

Technical Support

Responsibilities:

• Used Spring 3.0 IoC for Dependency Injection used Spring 3.0 transaction management. Created Exception Handle framework by Spring AoP
• Applied Core Java, Used Collection, Design Pattern for system logic design.
• Implemented JMS for stock data generation and push the date to front-end.
• Used Core Java, Involved various design pattern, such as Factory, singleton, MVC. Used Collections to handle the customers’ data from front-end.
• Designed Front-end by Flex 4 with customized component like TitleWindow, Tabs, DataGrid and ItemRenderer for user UI design like user login, Stock information and trading process.
• Used customized Event for event handle triggered by user operation. Used data Binding for data Synchronization. Invoked integration of Spring-BlazeDS, Remote-Object for data communication between front-end and back-end.
• Used PieChart, BarChart for user Stock portfolio views.
• Invoked CSS style sheet for the application skinning.
• Used Hibernate for O/R Mapping DAO package design. Oracle 11g for Database Design.
• Invoked SVN for Version Control.

Environment: Flex 4, BlazeDS, Java 1.5, Spring 3, Oracle 11g, Hibernate 3.2, SVN

Confidential, Springfield, IL

Senior Java/J2EE/Flex developer

Responsibilities:

• Worked in Agile Team of 14 people, Responsible for SDLC(Software Development Life Cycle) analysis for enhancement, collected enhancement requirement through Rational Clear Quest for the state users. Collaborated with QA with development.
• Used Spring 2.5 IoC to Integrated the ServiceImplementation in the back-end, handled events and operations triggered by users, Spring AoP for System exception handle, extends the Throwable class to store exceptions. Partially used Spring 3.0 transaction management.
• Used Core Java, Involved various design pattern, such as Factory, Singleton, MVC. Used Collections to handle the customers’ data from front-end.
• Applied Multi-Threading each WorkItem Id, Case Id, Provider Id, Task Id Creation.
• Developed back-end by using JavaVO(java value object) for data mapping, used JNDI factory for naming the object, used Fast4j( Confidential API) for DAO generate.
• Used Fast4j write SQL query in SelectionStatement to mapping data selected for DB2 and also Fast4j InsertionStatement for the data insert and update.
• Designed Front-end by Flex 4.1, using Swizz 1.1 to build all the parts such as Model Locator, Views, Controller, Swizz IOC in order to handle every event such as work item, cases, provider details, tasks process. Invoked ModelLocator as singleton pattern for Data Binding.
• Implemented customized component such as TitleWindow, Tabs, Accordion, DataGrid, Validator, AdvancedDataGrid, ItemRenderer and Formatter for state works to create work item, cases, manage provider. Also rewrite the Flex component for some paticular operation.
• Configged the Spring-BlazeDS integration. Developed ActionScript beans and JavaVOs for data transfer between front-end and back-end through RemoteObjects.
• Applied DB2 Command Center for table structure views and Command Editor for Query analysis and data insertion test.
• Used JUnit for the back-end Unit Test, Used Flex Unit for the Flex test. Used java data test
• Monitored daily data operation by Websphere 7. Used IBM Rational Performance tester tools for system data load test.
• Used IBM Rational ClearCase for version control, update and deliver view for team members

Environment: Flex 4.1, ActionScript 3, MXML, Swizz 1.1, BlazeDS, Java 1.5, Spring 2.5,Fast4j( Confidential API), JUnit, Websphere, DB2, IBM Rational ClearCase for Websphere 7.5.5(Eclipse and Version Control), IBM Rational Performance tester, Flex Builder, JNDI

Confidential, Short Hill, NJ

Senior Java/J2EE/JQuery developer

Responsibilities:

• Responsible for SDLC analysis, collected the requirement of each process. Worked with 9 people in Agile development team.
• Used Spring 2.5 IoC to configure the POJOs, handled event and operations triggered by user.
• Involved various design pattern during the project, such as Factory, delegate, Proxy, Singleton, MVC. Applied Core Java for web service and back-end logic design.
• Used Struts 2.x to configure the data between front-end and back-end.
• Invoked Multi-Threading to prevent double submission when user do the payment.
• Developed back-end by using JavaBeans for data mapping, DAO package to operate data between Hibernate and front-end.
• Configured Hibernate for O/R Mapping and used Hibernate for Data caching and persisting to Oracle database, using ORM configuration such as one-to-one, one-to-many, many-to-one and composite-primary-key to map relationship to load the customer’s information.
• Designed Front-end by HTML5, JavaScript, JQuery and CSS for Loan client application, used JQuery Widget for Loan underwrite and payment, JQuery Event for users’ operations.
• Worked on the configurations of AJAX integration. Used JSON and XML for data transferring between back-end and front-end. Used SOAP web service for Application process design, RESTFUL web service concept for customer online Bank system.
• Implemented PL/SQL for special requirement for the customer’s security requirement.
• Applied interface for Mobile team to build mobile application by using Android 2.x.
• Involved JUnit for the back-end Unit Test, Used Flex Unit for the Flex test. Assisted the testing team for Black-box and White-Box testing.
• Used SVN (Sub-Version Control) for version control, communicate with other team members.

Environment: JavaScript, JQuery, CSS, Java 1.6, Spring 2.5, Struts 2.x, Hibernate 3.2, JUnit, Websphere, Oracle 11g, Eclipse 3.3, SVN, Windows Android 2.x, SOAP, XML, RESTFULJSON, AJAX

Confidential, Pekin, IL

Senior Java/J2EE developer

Responsibilities:

• Attended in the SDLC, participated in edit SDD, class component design. Applied Agile development methodology for SDLC.
• Using Spring IoC and AoP to inject POJOs and other package, using Core Java Collection in the back-end to calculate the proper amount and help user to get an insurance quote.
• Involved Hibernate ORM for beans and database mapping, also mapping the relationships among the tables. Used DAO for data operations.
• Involved in development of project by using Flex 3 for front-end, using Cairngorm MVC as frame to design the performance interface.
• Implemented various ItemRenderer and HeaderRenderer to sort, multi-choose, auto-choose, drag & drop on AdvancedDataGrid components to manage and list the user’s policy.
• Involved LCDS for messaging and remote objects to communicate between Flex and J2EE.
• Using Oracle 11g for database design, PL/SQL for data fetching, using Toad Data Modeler for tables design. Separate the whole Database into 4 clusters as user information, policy, vehicle and claim. Created store procedures and triggers for data operation. Using Linux Shell Scripting to test the Database Structure
• Provided test cases for functionality with the use of Spring framework, JUnit and FlexUnit
• Used CVS (Concurrent Version Systems) for version control.

Environment: Flex 3, ActionScript 3.0, MXML, BlazeDS, Cairngorm MVC, Java 1.6, Spring 2.5, Hibernate 3.2, XML, JBOSS, Linux, Shell Scripting, Eclipse 3.5, Oracle 11g, JUnit, FlexUnit, Subversion, REST

Confidential, Hartford, CT

Middle-Level Flex / J2EE developer

Responsibilities:

• Reviewed design documents, gather information to design SDD for front-end and back-end.
• Used HTML, XML, CSS and JavaScript front-end, using Strut 1.x for front-end logic design.
• Used EJB 3.0 for back-end configuration. Applied SessionBean for business logic implementation, EntityBean for keeping persist data from database. Also integrated JavaBeans, DAOs, Services following JNDI rules to communicate with client side.
• Involved Core Java API such as Collections, Multi-Threading, Exception-handling to design the back-end.
• Used EJB 3.0 to communicate with Database instead of previous edition which was used Hibernate to communicate with Database.
• Developed DB2 for the Database design.
• Helped the Database team to create parts of Database logic by using trigger, functions and store procedures.
• Used SVN(Sub Version) for Project Version Control.

Environment: Struts 1.x, HTML, CSS, JavaScript, JNDI, Java 1.6, EJB 3.0, Eclipse 3.3, Web logic, DB2, FlexUnit, JUnit, SVN, Hibernate

Confidential, MA

J2EE developer

Responsibilities:

• Involved in design and development phases of Software Development Life Cycle (SDLC).
• Extensively used Core Java to write the business functions based on multi-threading and Collection frameworks.
• Developed web page using JSP, JSTL, JavaScript, Struts Tag libraries.
• Used XML for data transform and page transform.
• Used Spring MVC to control JSP Page and Struts frame, DAO for Database configuration.
• Used XAMPP server as web server
• Used SQL Service 2005 for Database design. Create store procedure, triggers and functions for data operation.
• Performed unit testing integrated testing

Environment: Java 1.5, JSP, Struts 1.x, Spring 2.x, SQL Service 2005, Eclipse 3, Xampp, JUnit.