What a waste of time! I mean, I have interviewed at my share of companies, but this has to be the worst. Please note, I am not saying toughest, but worst. What made it even horrible is all their blog bragging and telling you that it's going to be a "Pair Programming." I wouldn't even mind the complexity if they wouldn't have advertised by saying there's going to be "Real Life" questions. At least I could have prepared for 5th standard puzzles.
NDA.
The following metrics were computed from 158 interview experiences for the Block Software Engineer role in United States.
Block's interview process for their Software Engineer roles in the United States is very selective, failing most engineers who go through it.
Candidates reported having good feelings for Block's Software Engineer interview process in United States.