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Mai YuEMAIL AVAILABLE PHONE NUMBER AVAILABLE Citizen of USASUMMARYHighly motivated and versatile software professional with 27 years of software development experience and 20 years Java/J2EE development experience on Windows and UNIX platforms under Waterfall and Agile development methodology. Developed various systems from commercial software products(CA TNG) to second prize of Bio-IT world best practices award system(NIH PTMS). Also have experience with customizing commercial software products Platuea Learning Management System in Successfactor(now merged to SAP). Contributed to product development, provided technical leadership and supervised teams and mentored individuals to enhance productivity. Areas of expertise include:Analyze/design/develop/support web application using Java/Java Servlet, JSP, Struts, SPARX, Kendo UI, Bootstrap, Sitemesh, Spring, Hibernate, iBatis, OJB, JPA, Web Service(SOAP AXIS2, Restful Spring and Oracle Service Bus), Mule, JavaScript, AJAX, JQuery, AngularJS, HTML, CSS, Ant, Maven, XML, XQuery, XSL, XSD, DTD, JDBC, JNDI, Log4J, Unix Shell Script, C++, C/CGI, Perl, Tomcat/GlassFish/Websphere/JBoss/WebLogic/Resin/OC4J/iPlanet web application server;Analyze/design/develop database application using ORACLE, MongoDB, Couchbase, Micrsoft Access, Microsoft SQL Server, Sysbase, Ingres, IMAGE/3000 AND SQL/PLSQL/Java/C++/Visual Basic/COBOL;Develop Graphical User Interface applications using Swing, Microsoft MFC and Window SDK;Analyze/design/test appliation using Case Tool Rational Rose, Mercury Quality Center, JUNIT, Mockito, SOAPUI Selnium, TestNG, Microsoft Test;Middleware Mulesoft, IBM MQ, Oracle Service Bus;Use version control tools including PVCS, Dimension, CVS, Subversion and GIT;Demonstrate management skill in supervising team to deliver the project or providing technical leadership and mentoring individuals to maximize levels of productivity.EDUCATIONSun Certified Java 2 Programmer, Feb., 2002Sun Certified Web Component Developer, Jan., 2006Ph.D. Candidate, Computer Science, State Univ. of New York, Binghamton, Sept. 1997M.S. Computer Science, Shanghai Jiao Tong University, Shanghai, China, Jan. 1993B.S. Computer Science, Shanghai Univ. of Technology, Shanghai, China, Aug. 1990WORKING EXPERIENCEData Source Inc, McLean, VA Sept. 2023 - Dec. 2023Senior Software EngineerWorked as a senior software engineer in a 6 persons team working on ABIS system(Automated Background Investigation System) for US Government using Java 1.8, Eclipse, Spring, GitLab, MicroSoft SQL Server 2019, Microsoft SQL Server Management Studio and Agile methodology.Accenture, Arlington, VA July 2021 - Sept. 2021Senior Software EngineerWorked as a senior software engineer in a 15 persons team working on 5X project for General Service Administration of US Government using Java 1.8, Eclipse, DBeaver, Oracle, React and Agile methodology.Alta, Washington DC Oct. 2019 - Jun. 2021Senior Software EngineerWorked as a senior software engineer in a 5 persons team to deliver CDIS5.0(Consolidated District Information System 5.0) for Department of Justice using Java 1.8, Struts, Spring, Spring Data, Restful Webservice, Webservice API, Bootstrap 4.3, Sitemesh 3.0, Ldap with Apache Directory Studio, DevOp tool Bamboo, Oracle 12c on Tomcat 9.0 server and Agile methodology.SalientCRGT, Washington DC Jan. 2019 - Apr. 2019Senior Software EngineerWorked as a senior software engineer in a 5 persons team to fix EXIM ONLINE(Export Import Bank Online-EOL) 508 compliance using CSS, HTML, JSP, WAVE Plugin and Agile methodology. Wrote a guideline for other EOL development teams to fix 508 compliance.OpenText, Gaithersburg, MD Apr. 2017  Dec. 2018Senior Software EngineerWorked as a senior software engineer in a 5 persons team to deliver a new release of Health Product MedNX AutoPrint, which migrate legacy Kendo UI to Kendo UI 2018.1, using Java, JQuery, JSP, KenDo UI, EJB, Maven, GIT, IBM MQ, Spring, Web Service, Web Service API and Microsoft SQL server, Couchbase, GlassFish and Agile methodology. Also upgraded automation test cases code for the new MedNX Autoprint release using Selenium, TestNG to do Automation Test.Buchanan-Edwards, Washington DC Mar. 2016  July 2016Senior Software EngineerWorked as a senior software engineer in a 7 person team to design and implement and deliver NetIQ project for Department of State using Oracle Service Bus, XSL, XQuery, Java, SOAPUI and Agile methodology.1 Source, Washington DC Mar. 2014  Aug. 2015Lead Software EngineerWorked as a lead software engineer to be in charge of deliver new release of IRIS(Integrated Revenue Information System) in a 3 developer team. Designed and implemented new IRIS that migrating IRIS from JDBC to Hibernate using Weblogic12c, Struts, Hibernate 4.2.13, Swing, EJB, Oracle, Ant and Agile methodology.Agilex, Washington DC Sept. 2013  Mar. 2014Senior Software EngineerWorked as a senior software engineer in a 10 person team to develop ELIS2(Electronic Immigration System) using Tomcat7.0, Spring, Restful Web Service, Web Service API, Angular JS, JavaScript, Oracle, MongoDB, Mule, DevOp tool Jenkin, Gradle, GIT and Agile methodology. Also developed test code using Mockito, JUnit. As a team member, won 3 awards: Innovator Award, 3 Peat Award, Beast of the East Award.SCI, Rockville, MD Feb. 2013  May 2013Senior Software EngineerWorked as a senior software engineer to delivered new upgraded the tool(Sentinal) of caBIG which is a NIH project from old techstack to new techstack using JBoss4.0.5, JBoss5.1, JDK1.5, JDK1.6, Spring, Struts, Java Servlet, JSP, Javascript, XML, HTML, CSS, Subversion, SQL, ORACLE 10g on UNIX and Window platform.Successfactors--An SAP Company, Arlington, VA Jan. 2011  Feb. 2013Principal ConsultantWorked as a principal consultant in a 40-person technical service team to customize Plateau Learning Management System, a companys software product that manages learning programs effectively on web, using Plateau Report Design(Birt), Spring, Struts, Java/Java Servlet, JSP, Javascript, JQuery, AJAX, XML, HTML, CSS, ANT, Maven, iBatis, Subversion, DevOp tool Hudson, SQL(very complex and new ORACLE analytics feature), PLSQL, Tomcat7.0, ORACLE 11g on UNIX and Window platform.Avaya Government Solution, Fairfax, VA Feb. 2009  Oct. 2010Senior Software EngineerWorked as lead engineer in a 10-person team to successfully design, implement and deliver national release of Field User Interface System (FUIS) for US Postal Services from the ground up using Struts, Java/Java Servlet, JSP, AJAX, AXIS2 SOAP Web Service, Web Service API, JavaScript, XML, HTML, CSS, ANT and Tomcat.National Institutes of Health, Bethesda, MD Feb. 2007  Dec. 2008Senior Software Engineer, Kelly Service contractorServed as a major team player in a 4 developers team to directly worked with the end client (NINDS director and director office) and successfully implemented and delivered multiple releases of PTMS (Protocol Tracking and Management System), which won second prize of Bio-IT World best practices award in 2008, using Struts, Java/Java Servlet, JSP, Applet, JavaScript, XML, HTML, CSS, ANT, OJB, SQL on Websphere application server6.0 and ORACLE10g. Also won distinguished performance award from Kelly Service. Also delivered modified PTMS to another NIH institute.RNSolutions, Rockville, MD Aug. 2006  Dec. 2006Principal EngineerServed as a principal engineer in a 4-person team to be in charge of releasing a new version of Department Contracts Information System(DCIS ) for US Department of Health and Human Services. Added new modules to display reports using Struts, Java/Java Servlet, JSP, XML, HTML, CSS, ANT, SQL, Oracle Report on Oracle OC4J Application Server and Oracle Report Server.Northrop Grumman, Fairfax, VA Dec. 2003  Aug. 2006Senior Software EngineerWorked as the senior engineer of a 6-person team to use full software life cycle methodology to implement and deliver new J2EE web components on top of the original Progress-based Defense Travel System using Struts, SPARX, Java/Java Servlet, JSP, XML, HTML, CSS, ANT, LOG4J, JNDI, JDBC on ORACLE, PROGRESS and Resin Server. Web components included a deployment tool, an administrator maintenance tool and were deployed over 11,000 sites and had over 100,000 transactions per month. As a team member, won achievement award;Used full software life cycle methodology to implement service daemon components running on the background to process travel documents transaction of Defense Travel System using JAVA/Threads, JDOM, XML, DTD, XSD, JavaMail, SQL and ORACLE;Supervised a team of 4 engineers to perform integration and system test of the Defense Travel System using Mercury Quality Center under tight schedule.Vanguard Group, Malvern, PA Jan. 2000  Nov. 2003Senior Software EngineerParticipated in analyzing and designing Vanguard new web site(Vanguard is a big financial company), which was rated as one of the best mutual fund web sites in US and has over millions visitors everyday, using UML and Rational ROSE;Developed and implemented Fund Modules of Vanguard web site on the iPlanet and Websphere server using Java/Java Servlet, JSP, XML, DTD, HTML, JNDI, ORACLE, Sybase, DB2;Supported Vanguard web site, which has over 5 million registered users, using C++, C/CGI, HTML, UNIX Shell Script, Perl, Java/Java Servlet, JSP, XML, Sybase, DB2 and JProbe under Sun Solaris platform. Analyzed complex production problems and found the resolutions in a fast-paced production environment;Supervised a team of 3 engineers to release a Fund Performance Data Comparison System using full software life cycle methodology and Microsoft Access, Microsoft Visual Basic.Computer Associates International, Islandia, NY Oct. 1997- Dec. 1999Software EngineerDeveloped the GUI components of Unicenter TNG 2.2, a well-known enterprise management product used in fortune 500 companies, using Microsoft MFC, Microsoft SQL Server, Ingres and Raima;Developed Unicenter TNG 2.2 API, which is the interface between Unicenter TNG GUI and Unicenter TNG kernel using Microsoft VC++;Developed Ingres repository layer of Unicenter TNG 2.2 using Microsoft VC++ and Ingres;Packaged software using Installshield;Ported Unicenter TNG GUI components from WINDOWS platform to UNIX platform using C++ and MainWin.State University of New York at Binghamton, Binghamton, NY Oct. 1996- Sept. 1997Research AssistantAnalyzed and designed a simulation application through OMT method using CASE tool Rational ROSE.Intel, Santa Clara, CA & Shanghai, China Sept. 1994- Sept. 1996Software Engineer/Project LeaderPorted a graphical tool of XWINDOWS named Inter Views 3.1 from the UNIX platform to WINDOWS platform using Window SDK;Built an Internet inquiry system using Microsoft Internet Information Server, Microsoft SQL Server and HTML;Developed a benchmark for Intel 3-Dimensional Rendering component using C++;Tested Intel Native Signal Processing product on WINDOW 95 using MS TEST V3.0;Supervised an out-sourcing team of 7 engineers to develop and test GUI part of Intel performance tuning product VTune 1.0&2.0. Coordinated with different teams in VTune development.Hua-Pu Information Technology Corp(A Hewlett Packard Joint Venture),Shanghai,China Feb. 1993-Aug. 1994Software Engineer/Database AdministratorParticipated in analyzing, designing and implementing the library database applications using ORACLE PLSQL and ORACLE FORM on HP9000/UNIX machine;Developed and delivered new release of the sales management information system using COBOL, C, IMAGE/3000 on the HP 3000 computer;Provided technical support for the CASE tool ObjectMaker.