SUMMARY:

• Solid education background in science. Strong learning, critical thinking and problem solving ability.
• Sixteen years full time industrial Software Development Life Cycle (SDLC) experience including requirements collection, application design, development, deployment and support.
• Sixteen years design and develop n - tire, multithread, scalable, extensible and maintainable distributed system using J2EE.
• Sixteen years experience in Object Oriented Analyze, Design and Programming using Java.
• Over nine years experience in Data Modeling and Database Design.
• Over thirteen years experience in Oracle and DB2, ODBC/JDBC, SQL, PL/SQL and SQL*Plus including stored procedures, triggers and etc.
• Excellent experience in both SOAP and RESTful Web Service.
• Excellent experience in Maven and unit test using Junit and Mockito.
• Expertise in Agile methodologies like Rally.
• Excellent knowledge of Service Oriented Architecture (SOA) and cross platform integration using web services.
• Expertise in TIBCO Designer, TIBCO EMS, TIBCO BusinessWorks, Contivo Analyst, Altova XML SPY, IBM WebSphere, Eclipse, Sonic MQ.
• Expertise on Microsoft Word, Excel, Access, PowerPoint, Outlook and Visio.
• Experience with machine learning, such as Neural Network processing.
• Experience continue integration using Jenkins.
• Strong written, oral, and presentation skills.

TECHNICAL SKILLS:

Languages: Java 6, 7 and 8, C/C++,J2EE(JSP/Servlets/JMS/RMI),JavaScript/Shell Scripting,XML/HTML/CSS/ASP

Tools: PL/SQL, SQL*Pluse, Per,lJunit 4, SAS, Matlab,UML/MS Visio, Crystal report, Power Builder, Visual studio, Oracle Enterprise, Eclipse, WSAD, RAD, TIBCO, Rational Rose, VSS, CVS, SVN, GIT, Putty, Cygwin, Gems, Contivo Analyst, Altova XML Spy, MySQL, Microsoft Word, Excel, PowerPoint, Outlook, HP ALM, Jenkins

Operating Systems: MS Windows,Unix (Sun Solaris)

.Databases:Oracle 7.3, 8i, 9i, 10g,IBM DB2 9.0, MS Access, SQL Server,Data Model/Architecture

Open Source/Frameworks: Enterprise Java Beans (EJB)

Utilities: CORBA, log4j, JAXB, Spring, Hibernate

Methodologies: Apache/Tomcat, JBoss, Websphere, LDAP, Maven 3, ANT ITUP, EXPRESS, AGILE(Rally), Waterfall(PRIMS)

PROFESSIONAL EXPERIENCE:

Confidential, MO

Sr. Specialist-Applications Developer

• Developer lead, Technical architecture designer and Principal Developer on J2EE based muti-layer applications for Billing Information Management and BIM eXtension in middleware.
• Application designer, application developer and unit tester on Java based for Network Management Web Service of both Waterfall and Agile software project.
• Primary application designer, application developer and unit tester for CSI-Customer Care Web Service -- a SOA based architecture.
• Primary Tier 2 supporter on services for Production, QC and testing environment.
• Monitor on site developers, contractors and offshore team member.
• Lead production, integration, regression and unit testing, server-side application building and deployment.
• Lead development team on team work administration, task priority, scheduling, and tracking as well as training new developer.
• Designed, implemented, delivered and supported Network Management Web Services on CSI M2E framework by using Model Driven Architecture approach. The application provides common service for performing TELCO Telephone Number, Cellular Telephone Number (CTN), IP Address, Customer Voice Over IP (CVOIP) and Pooled TN Inquiry functionality. Major technologies used in the application including J2EE, Web Service, MDA, SOA,JMS, SOAP,XML,XSD,WSDL, XPDL, AT&T Business Studio, Convtio Mapping, oracle JDBC, LDAP, M2E and DME.
• Designed, implemented and developed real time EJB based application with multiple proxies for Billing Information Management (BIM). This application was created from scratch including requirements analyzing and environment setup. BIM is responsible for real-time Billing Information Management. It is key part of AT&T current billing information production. BIM is a mutil-layer middleware system based on J2EE and EJB architecture. Major technologies used in the applications including EJB, JMS, CORBA, IDL, SOAP, XML, WSDL, Multi-threads, J2EE.
• Established and lead a development team for Billing Information Management Extension (BIMX) Application. BIMX was a significant enhancement of BIM including added Web Service API for new clients and provide precise, quick, extensive and high efficient billing information service for over 30 clients within AT&T. I managed work distribution, prioritization, scheduling and resource allocation for a functional team. Responsible to ensured that client needs are met, deliverables are completed on time, and resources are effectively utilized. Managed teams daily operations, productivity, identifies areas for improvement, develops action plans to improve performance. Trained new developers (include both onsite and offshore), enforces Company policies, provided input into disciplinary matters, and evaluated individual performance.
• Designed, implemented, delivered and supported CSI-Customer Care Services application - a Model-Driven SOA Web service. The application has two infrastructure structure version TIBCO based and M2E based. I designed and developed both versions. It is used by many clients for more than 20 projects. The system spans across more than 20 backend legacy system. Major technologies used in the application including MDA, SOA,JMS, SOAP,XML WSDL, J2EE, XPDL, Convtio Mapping, oracle JDBC, LDAP, Webservice, M2E and DME.
• Designed, developed, documented, Analyzed and delivered all technical development documentations for projects and system architecture and managed all documentations in AT&T Coordinated Repository(ACR), SVN, CVS, VSS, Rally Agile tool, PRIMS, tSpace.
• Leaded and created Vicuna Proxy by using IDL data Messaging Vicuna to provide capability for C/C++ clients and multi-thread BIM Evirude Vicuna server for enhancing BIM performance.
• Supported, maintained BIS and CSI middleware application systems by using Tracking Software, such as iTrack(Atlassian JIRA), HP Application Lifecycle Management(HP ALM), Monitor Software - SOA Cloud Global Resource Manager(GRM) and Splunk.

Primary skills used: Both server and client side Java programming using Java 6, J2EE, JMS, SOAP, XSD, WSDL, XML/XSL, Maven 3.0, ORACL, DB2, SQL, SQL*Plus, SOA, WebServices, OOD/OOA, IDL,CORBA, JDBC, Vicuna, VicunaLite, WSAD5.0, RAD6.0, Eclipse, Rational Rose, ANT, Altova XML Spy, Contivo analyst 5.6, CVS, SVN, VSS, TIBCO, Spring, log4j, Jenkins, AT&T Technology Standards and Strategies.

Environment: Windows 2000, NT, XP,Windows 7, UNIX, WebSphere 6, JBOSS

Confidential, Columbia, MO

Research Assistant

• Created and designed a relational database model for neural network processing for prediction. This database is used as data storage of a neural network model and model updating and using history. Create and developed a web-based application for neural network processing. It allows users to create, edit, train, and perform simulation through the web and save the information into the database. The application also has learning and prediction function.

Research Assistant

• Designed and implemented reports used on the web for Missouri Arthritis Rehabilitation Research Training Center (MARRTC) by using Seagate Crystal Reports. Data used to generate reports was stored in Oracle 7.2.3 and the connection between Crystal reports and Oracle was established by using ODBC.
• Designed and implemented data communication between heterogeneous databases (Microsoft Access and Oracle 8.0) for ITS Employee Database development by using ADO and Visual Basic.
• Designed and implement some of report for Missouri Kidney Program by using Crystal reports and also did all tests of database architecture and implementation of this project. The database of this project was implemented in MS SQL sever.

Teaching Assistant

Teaching Assistant of following courses in computer science department:

• Design and Analysis of Algorithms I (CECS303),
• Theory of Computation (CECS341)
• Operating System I (CECS352).

Confidential

Software Engineer

• Translating business needs into technical solutions and defining solutions to problems through reasoned application of information technology.
• Designs, develops, documents and analyzes overall architecture of systems. Determines integrated hardware and software architecture solutions that meet performance, usability, scalability, reliability, and security needs.
• Designed medical information database using relational database model.
• Implemented it by using dBase3 and FoxBASE.
• Installing, customizing, and supporting medical information Management products in docs system
• Customer and system supports.