OBJECTIVES

• I categorize myself as hands - on Sr J2EE / Java consultant.
• I own extensive architectural & technical knowledge in J2EE / Java under Oracle / IBM platform cross various industries (healthcare, utility, financial, manufacture, loan, etc.). I am also Sun / Oracle certified SOA / J2EE Expert.

TECHNICAL SKILLS

Enterprise Software: Oracle Fusion Middleware (10g & 11g & 12c), Oracle Data Integrator (ODI), Oracle Identity Manager (OIM), OC4J, EBIZ, EnterpriseOne, MuleESB

Programming Languages: J2EE (JMS, JSP, Servlet, EJB, JMS, JDBC, JNDI, RMI), Web Services (SOAP, WSDL, JAXB, SAAJ, DOM, JDOM, SAX), JNI, XML Tool (XSLT, XPATH, XSD, CSS).

Server Engine: Weblogic (admin / dev), WebSphere, JBoss

Database: SQL & NoSQL

Open Sources: Spring (JDBC, Transaction, Unit Test etc), Spring Boot, Angular JS, Hibernate, Struts, Quartz, Junit, Castor, iText, Dozer, Jetspeed, Cactus, ANT, Maven

PROFESSIONAL EXPERIENCE

J2EE Backend Developer

Confidential

Responsibilities:

• Backend Architect: Work with Confidential (Business Social Network) by use of Spring Boot as backend service and AngularJS as front end to build business social networks mobile app for restaurant vendors.
• AngularJS $http consumes restful web services built by Spring Boot.
• Spring Boot contains all logics to access data located at MySQL / MongoDB.
• Spring Boot sends verification code to customer cell phone;
• Skills: Spring Boot, Angular JS, MongoDB

Integration Consultant

Confidential, Kansas City, MO

Responsibilities:

• Work with Oracle CC&B (Premise, Service Order & Autopay etc.) and MDM (Energy Usage etc.) SOA integration architecture design & implementation for various utilities interfaces to access / provide Restful / http Web Service.
• Skills: Restful / Http Web Service, Java / Spring / Hibernate, Restful / http Web Service, Oracle SOA / OSB / ODI.

Integration Consultant

Confidential, Denver, CO

Responsibilities:

• Federal Project: lead & implement IPAL download project by use of Oracle SOA / Enterprise Scheduler / JMS / J2EE Restful Services.
• Troubleshoot various issues from WebLogic Admin Servers / Clustered SOA Servers /etc. Create Enterprise Scheduler Service (ESS) jobs for nightly runs.
• Skills: Restful / Http Web Service, J2EE / JMS / Spring / WLST / Maven, Oracle SOA / OSB / ESS

Integration Consultant

Confidential, Denver, CO

Responsibilities:

• CGI Project: work for Colorado Health Benefit Exchange (COHBE) to design interfaces which communicate data of individual or employer insurance enrollment information between Colorado State and different insurance carriers. I am mainly in charge of designing, reviewing, implementing and troubleshooting all B2B 834/820/999/TA1 data exchange tasks related to those interfaces. The main technologies I am using are Oracle Fusion Middleware & J2EE Web Services (ADF Faces, J2EE Web services).
• CU (University of Colorado) Entitlement: work with fetching users & courses from Oracle Identity Manager by use of Java Web Services.
• CDHS (Colorado Department of Human Services): Work with J2EE system integration of refreshing the new registered users from Active Directory LDAP to Oracle Identity Manager by use of Google Juice Java Dependency Injection framework etc.
• Skills: Java / JSF / JMS / Spring, Oracle SOA

Sr. J2EE Integration Consultant

Confidential, Carlsbad, CA

Responsibilities:

• Project: 1) Dash Board by use of ADF BC & faces; 2) Integrate Oracle EnterpriseOne with GES online biotech sales order system through SOA; 3) Design & Develop SOA Client Access to SAP through WebMethod Portal; 4) Promote Java code to web service so that Oracle SOA can access.
• Skills: Spring / Hibernate / Struts / Ant, J2EE SOA Web Services, JAX-WS, JSF, Spring, Hibernate, Oracle SOA

Sr. J2EE Consultant

Confidential, Denver, CO

Responsibilities:

• Project: Work with Lehman Brothers Automatic Underwriting Software, mainly built up SOA layer to connect to Fannie Mae Underwriting web services, and ILOG JRule engine
• Skills: Spring, Hibernate, Maven, ILOG, SOA, JAX-WS.

Sr J2EE Consultant

Confidential, Denver, CO

Responsibilities:

• Project: 1) work on Confidential Transaction Management Service project. Design and implement Gift Card project. 2) re-architecture whole web service system.
• Skills: Spring, Struts, Hibernate, Axis, WSDL, JMS, and MDB.

Sr. J2EE Consultant

Confidential, Denver, CO

Responsibilities:

• Project: Work on Confidential Voyager Fleet Command Credit Card Online. 1) Design and implement Hibernate mapping and DAO pattern to implement business logic against database; 2) Use Web Services to communicate Oblix eDirectory; 3) Prototype, design and implement connector between J2EE application and Report Caster scheduling server.
• Skills: Spring, Struts, Hibernate, EJB, WebSphere AS / Portal, SOA (SAAJ, JMS), WebFocus Report Caster V5.3, WSAD, UDB, JUNIT, Cactus, log4j, Oblix Access Server API / LDAP.

Sr. J2EE Middleware Developer

Confidential, Denver, CO

Responsibilities:

• Project: 1) XPI Integration with EnterpriseOne; 2) Develop EJB for EnterpriseOne with Eclipse, WSAD and BEA Workshop, and deploy & test web application on WebSphere AS / Portal and Weblogic. 3) Implement Web Search Engine with Java Native Interface and Verity Development Kits API. 4) Use JAXB to implement XML / Java Object Marshaling / Unmarshaling for Metadata XML Project. 5) Design, develop and maintain the middleware for EnterpriseOne. 6) Work on different projects to enhance EnterpriseOne web solutions, such as Optimal Data Retrieval, and Integrate JDBC with XML, 21 CFR audit & signature, IBM DB2/UDB JDBC solution, JAS logging, ERP-CRM JDBC solution, web database middleware re-architecture, OneWorld® JDBC Driver Tester etc. 7) Work with clients from different countries to resolve their issues of web applications on WebSphere and Weblogic.
• Skills: EnterpriseOne XPI, EJB, JDBC, Verity, ANT, JAXB, WebSphere / Weblogic.

Sr. J2EE Developer

Confidential, Lincoln, NE

Responsibilities:

• Project: develop e-business software by using Servlet/JSP/Apache/MySQL/Oracle, such as Web Mail Systems, Online Used Car Sale Systems, and Online Student Information Systems etc.
• Skills: Servlet, JSP, JDBC.