> but it's not exactly what makes them qualified for it. No, which is why the interview should be testing on more interesting stuff like system design, team ba

> but it's not exactly what makes them qualified for it. No, which is why the interview should be testing on more interesting stuff like system design, team based skills, other technical minutae that might be relevant to the job. I just feel like compaonies waste a lot of time and resources on "reverse a binary tree" and "do the travelling salesman" type problems. I understand why they have to, because there's nothing out there to say "X candidate knows how to reverse a binary tree", so they have to test on it to make sure at least the baseline stuff is there. And they keep retesting. If a candidate moves from company to company they get the same test, regardless of levels of experience. It just seems like something that could be nipped in the bud with a certificate/qualification