Exactly. So the arbitrary line drawn by leetcode interviews filters in one particular way and benefits people closer to colleges age where these kinds of proble

Exactly. So the arbitrary line drawn by leetcode interviews filters in one particular way and benefits people closer to colleges age where these kinds of problems are fresher in the mind. As you get older the number of leetcode style problems you actually encounter in real engineering is pretty low. Have a chat, discuss experience and see how well they actually understand the things they have put on their resume. Dig as deep as you can and see if they actually understand what they say they have done. Also, references are at least as important as the interview.