I am ProcessOne founder and technical lead for ejabberd XMPP server and Boxcar mobile push notification service. I am a developer, programming in Erlang, Elixir, Go and Swift, but I fancy working with many other languages. I am expert in the following topics: Real-time messaging XMPP based messaging solution (major contributor on ejabberd) Push and notification system, web or mobile based Erlang, with project like ejabberd, Tsung. Scalable mobile architecture to support iOS and Android apps. Mobile development, primarily iOS, Objective C and Swift. ©