Develop an instant messaging client in Erlang like Facebook Messenger,

Develop an instant messaging client in Erlang like Facebook Messenger, WeChat, WhatsApp, BB Messenger, etc. with these and other features: Group conversations Voice and video calling Presence indicators Location sharing Social integration Quick search functionality When submitting your proposal, be as brief and as precise as possible, please specify if you are fluent in the Spanish language (optional), and present your portfolio digital (related to this project, also specify if you want to be a Partner of this project.