Hard to crack be well prepared very good company better not to apply without proper preparation they don't care for Money they can give anything so must be pro in every thing and then apply that would be good to hear that you are in the best company

2 stages technical interview the first one with no coding challenges or questions only verification for your knowledge and your interest, the second is all about coding and theoretical questions, people are very polite even if you are not technically good and provide a detailed feedback for your interview