Flutter frontend experts & Backend experts needed to build a Social Network App .

Need all the features of a dating site, voice , video, chat, notifications, video streaming,...etc. Looking for a team or individuals for frontend, backend or both. Strong CS background is important. Good knowledge of Clean coding , SOLID principles, Test driven design, QA, CI/CD...etc, for an awesome social network app that will support Millions of users . Need App for IOS , Android & Web.