Piotr is the software engineer from Poland, Europe with a few years of experience related mostly to web and mobile applications. He graduated from Macrofaculty of Automatic Control, Electronics and Computer Science at the Silesian University of Technology in Gliwice, Poland. He likes to share his knowledge off-line, at the conferences and meetups (http://wittchen.io/ts) as well as on-line, on his technical blog (http://wittchen.io/) and StackOverflow (http://wittchen.io/so). Piotr is also active open-source contributor (http://wittchen.io/gh).