דרושים פרילנסרים לפיתוח Chat עבור iOS ו- Android

Chat requirements :
* Important !!! We prefer to use ready Third-party solution for chats ( even with monthly payment )* Based on Firebase
* Support multiple rooms for Admin
* Allow passing every message to RESTfull API
* Support system messages. System messages r generated by Third-Party Service , should be injected to Chat room and be visible