SUMMARY

Senior Developer and Architect with 15 year experience in full life cycle software development. Highly skilled at architecture, design, development, deployment and integration of complex enterprise systems. Highly skilled at Java, J2EE, Web, XML based technologies. Proven record in software development, project management, team leadership and communication. US citizenship, eligible for security clearance. SKILLS Platforms: UNIX /Solaris/AIX, Linux, Windows Databases: MySQL, Oracle, Sybase, DB2/UDB, Tamino, SQL, PL SQL, TOAD, SQL Developer Programming Languages: Java, C /C, JavaScript, Ajax, HTML, CSS, Shell Scripting Object Orient Technology: OOAD, UML Methodologies, Design Patterns Distributed Computing: Multi-tier architecture, SOA, Web Services, J2EE, CORBA Java/J2EE Technology: Java 2, Swing, Servlet, JSP, JSTL, RMI, EJB, JMS, JDBC, JNDI, JTA, JMX, Java/Web security XML Technology: SAX, DOM, XML Schema, XSLT, XSL-FO, XPATH, SOAP, XML Messaging and RPC, XML security Middleware/App Server: WebLogic, WebSphere, OC4J, WebMethod, Orbix, OrbixWeb, Visibroker, Tomcat, JBoss, ServiceMix/Fuse Framework: Struts, Spring, Hibernate, iBatis, Castor, Log4J, JUnit, Xerces, Xalan, XEP, Soap, Axis, WSS4J, Jakarta Commons,ILOG JRules, AdventNet NMS/SNMP API, SNMP Research ARL CASE Tools: Rational Rose, Clear Case, Clear Quest, XML Spy, Continnus, Ant, Maven, SVN, PVCS IDEs: EClipse, IntelliJ, JBuilder, Visual Cafe, WebLogic Workshop, WebSphere WSAD Telecom/Networking: LAN, X.25, Frame Relay, ATM, SMDS, SONET, ADSL, TCP/IP, HTTP s /Tunneling, SSL, Routing Network Management: SNMP/MIB, CMIP/GDMO, OSS, TMN, FCAPS architecture Project Management: Full Life Cycle Software Development, RUP Process, Software Licensing, Vendor Relationship, CMM Model, ISO 9001 Certification, MS Project Domain Knowledge: Telecom OSS Systems, Finance/Mortgage, Non Profit/Government/508 Compliance, Air Traffic Management

EXPERIENCE

Confidential

Senior Software Engineer

Advanced Air Traffic Management System SPACER Project Architected, designed a new web based J2EE application to integrate with NASA's legacy system for air traffic management. Architected, designed and developed the new application based on SOA, Spring, Struts2, AJAX and JPA/Hibernate frameworks and other open source technologies and products, such as ServiceMix/Fuse, Apache Tomcat, MySQL and Acegis security etc. Interfaced with external systems by various protocols, such as FTP, Web Service, Google's Protocol Buffers. Integrated with legacy system by JMS messaging and Apache's AcitiveMQ. Developed web user interface by HTML,JavaScript, AJAX and Google Map APIs. Secured application by https, digital certificate and PKI. Senior Software Engineer, Advanced Air Traffic Management System JET Project Architect and developed web services and message adapters to exchange weather information between Air Force and FAA applications. Developed web services and JMS adapter to retrieve weather information from Air Force application Weblogic based and publish it to FAA application WebSphere based for consumption via JMS messaging. Developed JMS adapter to retrieve weather information from FAA application WebSphere based and inject it to Air Force application Weblogic based . Confidential Senior Java/J2EE Consultant, Incident Management, Coordination, Assessment and Determination System Designed and developed web based J2EE application for DHS/FEMA's Incident Management, Coordination, Assessment and Determination System. Re-architected and migrated existing PowerBuilder/Oracle client server based legacy system into Java/J2EE based web application. Performed architecture, analysis, design, coding and testing of the system on Oracle application server OC4J and Oracle database. Designed and developed application based on Spring, Struts and iBatis SQL map frameworks and other open sources from Apache, such as Jakarta Commons Chains, BeanUtils, Digester, Logging, etc. Designed and developed secured web services for integration with external applications. The web services are based on Apache Axis and the security is based on WSS4J, PKI, signature, encryption. Integrated application with centralized access control system for user authentication and authorization. Developed unit test cases using JUnit, developed user acceptance test cases using Firefox/Selenium, developed performance test and conducted performance tuning using Appache JMeter. Confidential

Confidential

Senior Java/J2EE Consultant LF /Technical Lead

Single Family Transaction Accounting Projects Led a team of system analysts and developers to develop Reporting and Reconciliation systems for Freddie Mac's single family transaction accounting business area. Assisted management team to ensure on time delivery of projects, specific tasks included project scheduling, resource allocation, dependency management and progress monitoring, etc. Responsible for end-to-end development of several J2EE based financial Reporting and Reconciliation systems on WebLogic application server, ILOG rule server, WebMethods integration server and DB2/UDB database. Integrated application with Tivilo Access Manager for user authentication and authorization. Applied common Java, J2EE technology and best industry practice in system architecture, design and development. E.g, SOA architecture, J2EE patterns, Struts MVC framework, Hibernate OR mapping framework, Process Flow integration, etc. 2

Coordinated with deployment and production team in deploying application into different test environments as well as production environment. Also responsible for post-production warranty support. Confidential Designed and developed web services for CSR Customer Service Representative Tool for New SAT Registration services. Designed and developed web services to retrieve and integrate CSR information from various backend enterprise systems including new SAT Registration System, Enterprise Data System, E-commerce system, etc. The web services currently supported .NET client. Designed and developed web services using SOA architecture, WebLogic web services, SOAP RPC protocol, WSDL language. Designed and developed web service data structure by XML, XSD schema. Converted web service data and application domain data by WebLogic XML beans. Implemented web service by session beans. Applied common J2EE design patterns Core J2ee, GOF and integration techniques in system design and development. Confidential Developed a multi-tired, web based J2EE application for academic assessment for educators and students. Performed architecture, analysis, design, coding and testing of the system on WebLogic application server, iPlanet, and Oracle and Tamino databases. Worked on end-to-end development of several vertical functional components, e.g. reporting, admin, and assessments/standards/instructions. Designed and developed J2EE web tier using HTML, JavaScript, JSP, JSTL Tags, Struts Tags, Tiles, Validation and MVC framework. Designed and developed J2EE web services using SOAP RPC, WSDL, XSD and xml beans. Designed and developed J2EE business logic tier using session, entity and message EJBs. Designed and developed J2EE persistence tier using entity beans, DAO objects. Retrieved assessment XML data from content management database Tamino. Transformed XML into HTML by XSLT and transformed XML into PDF by XSL-FO. Applied various J2EE design patterns Core J2ee, GOF in Web and EJB tiers, Patterns used included Paged List, Business Delegate, Service Locator, Service Controller, Session-Entity Facade, DAO, Value Object, etc. Re-architected and prototyped application by Struts, Spring and Hibernate J2EE framework. Confidential Developed a multi-tired, web based J2EE application for Freddie Mac's Loan Selling System. Performed architecture, analysis, design, coding and testing of the system on WebLogic application server and DB2/UDB database. Worked on design and implementation of web and business tiers for Product, Loan, Settlement and Funding subsystems. Designed and developed web tier using Servlet, JSP, HTML, JavaScript, Custom Tags, Struts and its advanced features such as tiles, validation framework and MVC architecture. Designed and developed business logic tier using session, entity and message EJBs and rule engine. Integrated with other applications by JMS and WebMethods Integration Server. Developed reporting functions by XML and XSLT. Applied various J2EE design patterns in Web and EJB tiers, Patterns used included GOF, Core J2EE, Paged List, Business Delegate, Service Locator, Service Controller, Session-Entity Facade, DAO, Value Object, etc. Developed unit test cases using JUnit and performed debugging using WebLogic's remote debugging capability. 3.