Have you (did you) consider hiring an interview coach? Often the first few layers of interview are the most difficult, then it eases up as you get to just talk

Have you (did you) consider hiring an interview coach? Often the first few layers of interview are the most difficult, then it eases up as you get to just talk to real human beings. Having someone help you play the game to get to the next step could be helpful. (None of this is to say I condone the asinine hiring paths so many companies have adopted.)