All Services Programming & Development iOS and Android app development $8/hr · Starting at $25 I have worked on high level application. Also we worked on payment gateway and chat functionality. About $8/hr · Ongoing Download Resume I have worked on high level application. Also we worked on payment gateway and chat functionality. Skills & Expertise AndroidAndroid DevelopmentApp DevelopmentChat SupportiOSPayment Gateway IntegrationSoftware Development 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Software DevelopersWeb Application DevelopersMac OS DevelopersPayment Gateway Integration ServicesChat Support ServicesFramework DesignersProcess DesignersAndroid App Developers