Daniel Chen Email & Phone Number

Mississauga

The most widely-used EHR platform for long-term care.

Toronto

• Environment: Linux, JAVA 6, JavaEE, JBoss AS7, Oracle 11g, JDBC, Store procedures, JMS, ActiveMQ 5.6, Unix Shell Script, Web services, CXF, Restful, Poster plug-in, JSP, Servlet, JSTL, SpringMVC, FreeMaker, Spring 3.1.
• Participated into designing, programming SVMS (Smart VOIP Management System)
• Developed the Linux shell script to retrieve and archive the accounting binary files from Metaswitch server to SVMS server periodically by cron
• Analyzed, designed and implemented these parsers for retail, wholesale and conference call binary files by Java multithreading and imported CDRs into database by batch inserts using JDBC PreparedStatement
• Designed and developed the prefix tree to save calling rates and reached the best time and space complexity
• Designed and programmed Restful web services integrated with Spring and Hibernate using CXF framework for customer self-Care system

Markham

• Environment: Sun Unix, Java5/6, J2EE, Tomcat, Oracle 10g, JDBC, Store procedure, JMS, ActiveMQ, Unix Shell Script, Web service, CXF, SOAP, WSDL, JSP, Servlet, JSTL, Struts, Spring, Hibernate, JavaScript, Json, jQuery.
• Participated in analyzing, designing, programming on Tremor Universal ISP Billing & Management System
• Designed and programmed Tremor web application using JSP, Struts1.0, Hibernate, Spring, jQuery, JavaScript, AJAX, JSTL, Servlet, JUnit, log4j in Solaris/Linux, Oracle and Tomcat environment
• Designed and developed Common Payment Gateway using CXF SOAP web services integrated with Spring and Hibernate and implemented the features of making payment, querying payment history and refunding
• Designed and programmed to provision Dial-Up and High-Speed user data to LDAP Directory, Cisco DSLAM (Digital subscriber line access multiplexer) or Calix NGN by JMS using ActiveMQ
• Designed and developed the reporting of exporting data to excel format files using JXLS Java library

Thornhill

• Environment: Windows2003, J2EE, Weblogic, My SQL, JavaScript, AJAX, Eclipse, Ant, Log4j, JSP, Servlet
• Attended meetings with collaborative organizations, participated in the requirements analysis for Web Collaboration module of Siemens HiPath ProCenter, a customer call centre product
• Designed the customer service instant intercommunication system based on Web application
• Designed and developed web pages with JSP, JavaScript and AJAX to facilitate customers to communicate with representatives through web page

China

• Environment: AIX Unix, Java5, J2EE, Websphere, WSAD, DB2 8.0, EJB2.1/3.0, MQ, JDBC, Store procedure, Unix Shell Script, Struts, JSP, Servlet, JSTL, JavaScript, Ant, Log4j, Mercury LoadRunner, Mercury QTP
• Participated in analyzing, designing, programming and testing on IBM Global Resource Deployment System (GRDS) project for ongoing support
• Met with the team to separate requirements to use cases, wrote the detail design documents
• Developed the MDB to notify the relevant PM and people manager when the project status was changed or candidates were proposed to this project
• Merged/validated IBM global position categories from outside systems into GRDS DB

China

• Environment: Sun Unix, J2EE, BEA Weblogic, Oracle, JDBC, Store procedures, Unix Shell Script, JSP, Servlet, JavaScript, JBuilder, Ant, Log4j, Mercury LoadRunner, Rational TestManager, Rational Tester, Rational Rose
• Designed and developed Customer Care subsystem using JSP and JavaScript for Guangdong Telecom IP Billing & Management System in Solaris Unix and Oracle environment
• Designed and developed Fujian Telecom IP Billing & Management System: designed ETL (Extract, Transfer and Load) model and implemented the ETL functions of Data Warehouse by Sybase SQL store procedures
• Designed and developed the complex reporting subsystem of Guangdong Telecom Switches Network Management System based on Client/Server, C++, PowerBuilder, Sybase, Solaris