Billing and Customer Care for mobile carriers in Japan


The client is a Global IT Innovator delivering technology-enabled services and solutions to users around the world. The client has headquarter in Japan and offices around the world.  


The client is looking for a competent software outsourcing partner in Vietnam to provide verification and validation service for their product – a billing and customer care system for mobile carriers.  


IMT formed up a dedicated offshore team to work with customer’s development team in Japan. We have provided quality system testing service for the product meeting all the delivery schedules.  

Technologies used in project:  

  • .NET, Java, Oracle DB  
  • .Unix Server, Windows Client  
  • DB Validation, WEB Support Validation, Unix Logfile Validation  
  • Tools: SQL Dev, Teraterm, Hinemos, Jmeter, TortoiseSVN  


  • The client has been able to release all major functions on time and within budget.  
  • The offshore team got good recognition from customer and team size was doubled after the pilot project.