I'm Cuong Phan, we are planning to look for a software designer or a team to build a large global user-based client-server voice and messaging mobile application on Android and iOS devices similar to Viber/Skype/WhatsApp. The application will be served a large number of users globally, so ideally it needs to function well and reliably on various network type (Wifi, 4G LTE, 3G, 2G)
If this project is of your interest, would you please provide us with a bit of details on how your company and teams going about to tackle such project at your earliest convenient:
1. How do your company bill for your service (hourly based vs project based) and what is your best estimate for the product I briefly describe above?
2. How soon (time-frame) your company can complete the project?
3. What is your company policies on extended supports, patches, additional requirements after project completion and handoff?
Thank you for your time and attention.