Software Engineer Resume Example

Designer/Tester

• Localized MMS system in accordance with Japanese specification. 
• Developed shopping coupon-issuing system using Bluetooth API. Mainly I was in charge of designing UI windows and interface of database. Using Java, Linux,Perl, MySQL and Rational Rose. 

• Porting windows application (iPulse) to J2ME application. And supporting corporate system integration. Using java, J2ME, Perl, Linux, Oracle and Rational Rose.

Softback Japan 3G IMS push-to-talk

• Integration of 3G IMS for SoftbankMobile Japan. Chargedin Presence and Group Management (PGM) solution, and was responsible for customer interface. Responsibility for the SIP and XCAP interface between PGM and DSS. (Data Search Server / developed by external company in Japan)

Sales Support

• Supported Pre-sales activity for 3G Voice Mail System (VMS) providing resonse to RFP from VF-J.  Related nodes were MoIP, MSC and 3rd party vendor's VMS.  Using H.323. 
  

Vodafone Japan 3G Prepaid system upgrade

• Integration of 3G Prepaid System to Vodafone Japan. Responsible for Chargning Control Node. (CCN) CCN is connected to SMS-C and GGSN using Diameter protocol for real time charging and policy control. 

Vodafone Japan Enterprise VPN 

• Integration of Virtual Private Networking (VPN) service to Vodafone 3G Japan. Charged in developing provisioning system connected to TSP using LDAP.  Had responsibility for external vendor control. Using UNIX, Java, LDAP, Oracle, Veritas, SNMP and Junit 

Vodafone Japan 2G Long mail server management system development

• Developed 2G long mail management server.  Charged in requirement engineering, system design architecture, verification and integration as solution architect. Using Solaris, Java, Oracle, Veritas and SNMP. Related nodes were PPAS, IVR and 3rd vendor's nodes. We had also MVI with 3rd vendor.

IP Multi-media Services (IMS) R&D

• Joined IP Multi-media Services (IMS) Integration and Verifcation department in U.S. as software engineer, working for terminal interoperability development testing (IODT) team.  The Terminal IODT team verifies interworking between Ericsson IMS offerings and 3rd party Client/Terminal Vendors. My role requires excuting test cases, issuing trouble report and comunicating with Ericsson Design unit and external 3rd party vendors.
• PTT4U system verification. Joining E2E team. In addition to Softbank track, Generic PTT functions, Pre-arranged Group Sessions, Chat Group Media On Hold, IPA / IPA barring, Sigcomp, were included. 

• Softbank Mobile IMS 4.1 verification. Assined as Technical coodrinator: All technical issues and technical guidance to all team leaders. o    Spread of technical information from PUD/MU, Requirements from NRJ/PDU. Assistance in lab upgrade, guidance, planning, etc.o    Participation in technical workshops. o    Technical coordination between test teams Lead investigations and test analysis
• I & V Planning, I & V Test Analysis
• I & V Test Design and Documentation  
• TR handling and follow-up Test Reporting  
• Design support to Tyco for technical questions and experimental testing.