They waste a lot of time. I wouldn't bother.
The HR are absolutely clueless about the process or the industry. They'll agree to a salary band and then tell you a couple of interviews down the line that they didn't note it down and it's 10% less than what was discussed.
Easy coding questions related to Python
The following metrics were computed from 23 interview experiences for the Klarna Senior Software Engineer role in Germany.
Klarna's interview process for their Senior Software Engineer roles in Germany is extremely selective, failing the vast majority of engineers.
Candidates reported having very negative feelings for Klarna's Senior Software Engineer interview process in Germany.