I applied through other source. The process took 1+ week. I interviewed at DataArt (Breslau) in Jul 2015
Interview
At first few days I have writing with recruiter and then we have arranged for skype meeting. After that I had 3 skype conversations. The recruiter check my skills, polish language level, asked me about my experience.Then after few days I received a reply from the employer.
Interview questions [1]
Question 1
First they asked me about myself, then about education and then about my expectations. Asked me about my skills, about what I like to do at the future.