Jonatan Männchen — software architect / lead engineer. Located in the beautiful village of Speicher, Switzerland. Working at Sustema AG and open for part-time contracts. Member of the Erlang Ecosystem Foundation Security Working Group. Open Source oidcc — OpenId Connect client library in Erlang & Elixir ZipStream — a library to stream .zip's from PHP expo — a library for Low-level GNU gettext file handling in Elixir crontab - a library to parse / compose cron expressions & calculate their next / previous execution date