Congratulations on the PhD and welcome to industry! This is your introduction to the bizarre hazing ritual we've had going for decades. Many many companies use

Congratulations on the PhD and welcome to industry! This is your introduction to the bizarre hazing ritual we've had going for decades. Many many companies use the algo/ds knowledge filter as proxy for IQ test. You get to decide between a) drilling leetcode for a couple of months, at which time you know the shibboleth and whisper it at large swaths of companies to gain admittance; or b) look for companies that go with a more liberal but likely still uncomfortable interview ritual.