1. Ruibo Cai ruibo.cai@gmail.com
1000 Bayview Drive, Delta, BC V4M 2R6 604.288.9207 or 778.985.9207
CAREER OBJECTIVE: Software Developer (Contract or Full time)
HIGHLIGHTS OF QUALIFICATIONS ____________________________________
 20 years experience involved in all aspects of software development life cycle
 Extensive experience in methodology and design principles for implementing highly
complex systems in a very structured manner
 Proven troubleshooting skills built upon many years of software development experience
TECHNICAL SKILLS ______________________________________________
Language: C /C++(10+), Java(3+), SQL (10+), XML/XSD/WSDL (3+), JSON
Database: Oracle (10+), Sqlite (3+), MySQL (3+), PostgreSQL
Protocol: TCP/IP, SNMP, TLS/SSL, HTTP, COSEM, GSM, SOAP,
Design and Modeling: UML, ER, Flowchart, XMLSpy
Operating System: Unix / Solaris / Linux / Aix, Windows, Mac OS
PROFESSIONAL EXPERIENCE ________________________________________
Senior Software Designer – Smart Metering System Development Feb, 2011 - now
Corinex, Vancouver, BC
 Provide technical support to FAE team on Concentrator application and help them trouble
shoot and fix issues discovered in the field
 Integrated SNMPv3 agent to JSON server so that Concentrator core services are
provisioned to network manager application
 Designed and implemented firmware configuration/upgrade/activation to levels of devices
 Designed and implemented memory based database structure for performance
enhancement and SD card protection
 Designed and implemented Data Concentrator (ARM Linux based) WEB GUI server that
mediates WEB backend PHP scripts and Data Concentrator core in JSON
 Designed and implemented Data Concentrator IPC infrastructure that integrate all DC
internal application modules.
 Designed and implemented secure web service based communication system and
successfully integrated our HES(Windows based) to LandysGyr MDM and our Data
Concentrator to Gorlitze MDM.
 Designed and implemented MDM Web Service simulator using SOAPUI
 Implemented HES smart metering breaker and limiter control modules
 Involved in MySQL, ORALCLE performance turning, MySQL to ORACLE data migration.
 Design and implemented meter simulator ZOHO NMS and Oracle database integration
 Environment: Arago(Embedded Linux) on ARM processor, Windows Server 2008,
Oracle 11g, MySQL, Gsoap, 0mq, C, Visual C++, g++/gcc, QT, Groovy.
Software Developer – Chinese Tax filing system Development July, 2010 – Dec, 2010
TTM Tax, Vancouver, BC
 Designed and partially implemented Chinese tax filing system from scratch
 PostgreSQL database installation and management
 Environment: Linux, PostgresSQL
Software Developer - HLR and OMC Application Development Feb, 2006 – Feb, 2009
UTStarcom, Richmond, BC
 Designed and developed HLR Subscriber Management system (SDM) web services
 Designed and implemented Oracle database migration tool
 Implemented Oracle schema installation tool
 Configured and tested Oracle HA clusters setup
 Implemented SNMP NE status probing and graphical display

2. 
Ruibo Cai ruibo.cai@gmail.com
Page 2 of 2 604.288.9207 or 604.842.8834
PROFESSIONAL EXPERIENCE continued
 Implemented new message types and handling code to support GSM CAMEL
 Implemented centralized BSC / BTS upgrade management
 Environment: Solaris, Oracle 10g, Oracle 8i, C, Oracle OCI, libxml2, SOAP,
Berkley DB, KSHELL, Oracle PL / SQL, Java, JDBC, JNDI, RMI, Java Web Start, Apache
XML parser, MySQL, OpenLDAP, OpenNMS
Customer Support Developer April, 2004 – Feb, 2006
MDSI, Richmond, BC
 Provided technical support for 30+ customers, including providing workaround
solutions, trouble investigation and root cause analysis
 Organized customer ticket / trouble investigation reports and helped team
members achieve code level understanding for issue being addressed
 Created and delivered SQL and Shell scripts to customer to handle
emergency situations
Environment: Solaris, Oracle 9i, Oracle 8i, C++, CORBA, TUXEDO and Oracle OCI
PC and Internet Technical Support Specialist Dec, 2002 – Nov, 2003
Convergys, Kamloops, BC
 Provided customer support for “Road Runner” Internet service and Hewlett-Packard PC
Software Developer Dec, 1997 – April, 2001
Asiainfo, Beijing, China
 Designed and implemented a prototype of Asiainfo Service Oriented Network
Management System (NMS/EMS)
 Team lead in design and development of China Unicom Billing/Settlement System
 Participated in the development of China Telecom Mobile Telecommunication
Billing System project
 Wrote proposal to bid for the China Telecom Roaming Settlement System tender
 Collected and documented customers’ requirements in various product designs
Environment: Solaris, Oracle 7/8i, C++, Java, Visibroker (CORBA), Oracle ProC
Software Developer Dec, 1996 – Dec, 1997
Sitech Co. Ltd., Beijing, China
 Designed and implemented China Telecom Roaming Records Dispatching System
 Led team to set up Heilongjiang Provincial Mobile Telecom Billing System Network,
including PC, Motorola Mini Computer, Router, Switch, Microsoft and AIX HACMP system
Environment: AIX, SCO UNIX, SOLARIS, HP UX, C and TCP/IP Socket
Software Developer Dec, 1995 – Nov,1996
Email Co. Ltd., Beijing, China
 Implemented the prototype of People's Daily Web Publishing System
 Implemented the first Chinese language email system in China
Environment: SCO UNIX, Informix, C, CGI, HTML, Informix ESQL/C
Software Developer July, 1993 – Dec, 1995
Hebei Electronic Information Co., Ltd., Beijing, China
 Implemented various management information systems for Huaneng Power
 Participated in the development of the Huaneng Power Fuel Management System
Environment: UNIX System 5, Oracle 6, C and Oracle ProC
EDUCATION AND PROFESSIONAL CERTIFICATION __________________________
Bachelor of Science Degree in Computer Science 1989 - 1993
Guilin University of Electronic Technology, Guilin, China