We are looking Audio call cross platform application, We need professional and experienced people to handle professional way. Technically sound and previously developed similar application added advantage. so please send you us your portfolios with quoted amount.
I am attaching screens as well, so i am only looking those functionalities, and they can make free calls as long as they using our app (its similar to Viber)
u just design sample UI and need to write code, if that functionality work fine, then we copy those functionality as per our application integration.
Note : Payments assurence we will give through freelance full payment. but we release the payment based on progress, no advance.