Need Agora expert for voice, chat , video call functionality

Hello , i am looking for group chat , group audio and group video call in my messanger with one to one chat , one to one audio , one to one video call as well In both the app (android and Ios ) - Swift - for iOS ( latest Xcode ) - Java for Android Like whatsapp Messenger module- - agora + firebase 1 to 1 to many chat 1 to 1 to many audio call 1 to 1 to many video call ( strength up to 8 minimum ) Go live ( live streaming ) for social feed UI figma files: [login to view URL] Mobile view: [login to view URL] i need this done as soon as possible price is fixed $400 for android with java and $400 for IOS with swift thank you Pankaj