You've stumbled upon page about Dalibor Filus, a web developer / systems architect from Prague, Czech Republic.
He can do things with computers and likes to tell them what they should do.
He is programming in Ruby, Haskell, Go and has some experience with few other languages.
Dalibor likes to build stable, secure systems with emphasis on high performance, which utilize network communication, databases such as Postgres, MySQL, Redis. Systems which are talking with each other via message queues (like RabbitMQ) and to the world often via HTTP. Systems which are distributed across multiple linux servers, are monitored via Monit and configured mainly via Ansible.
He is a full time developer since 2009, but begun with hobby programming somewhere around 2000 with Basic, Pascal and, later on, PHP.