Mateusz is a self-taught programmer who is not afraid of solving difficult problems. Over about 6 years of his professional work, he has acquired a lot of knowledge about different programming languages and technologies. Mateusz cares about code quality and always thinks ahead when it comes to application architecture. Mateusz believes in open-source software and uses his spare time to contribute to open-source projects or to develop his own ideas and share them with the world. When it's time to chill out, Mateusz enjoys dancing his favourite dance style called "popping". He also likes to play demanding computer games such as Europa Universalis 4 or Civilization.