All Services Programming & Development Programming $50/hr · Starting at $25 Great enterprise level design/architect, consultant for multiple Fortune 500 and government agencies. Successful designed and developed several web-based J2EE and VOIP pre-paid billing systems with very reasonable rates. About $50/hr · Ongoing Download Resume Great enterprise level design/architect, consultant for multiple Fortune 500 and government agencies. Successful designed and developed several web-based J2EE and VOIP pre-paid billing systems with very reasonable rates. Skills & Expertise ApacheBasicBillingBilling SystemsDesignERwinGovernment AgenciesHibernateIisJ2EEJBossLevel DesignLinuxRadiusRADIUS ServerUMLUnix ShellVisioVisual BasicVoIPWebLogicWebSphereWindowsWindows 2000XML 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Design & ArtWebLogic AdministratorsJ2EE DevelopersVisual Basic ProgrammersDesignersWebSphere DevelopersBilling ServicesVoIP ServicesApache DevelopersXML Developers