Worst interview experience in my career. They called me 20 minutes after the scheduled time of a 15-min interview, never apologized and never called me back. The HR gives a very bad first impression.

The HR is rather arrogant and generally has an attitude of "I'm doing you a favor passing you to the next stage". It is as if she owns the company or something. The technical interview involved a lead and a senior developer. The latter was cool and supportive, however the former was rather pushy and pretty toxic. The interview didn't have a proper format, just random questions many of which where not relevant to the position at hand. Overall I wouldn't re-apply to this company for the foreseeable future.