HR operations were very nice. The process was effortless and they contacted me at any stage very swiftly. The questions were great and I really enjoyed the whole process. First I applied via a career web site, later I was invited for an HR interview. In the second stage I was interviewed by technical persons related to the job. They were really nice as well and wanted to get to know me and how I work. They explained me the company culture and expectations. It was smooth.