i'm not a big 'interview prep grind' person but i ended up prepping pretty carefully for the Scale AI behavioral round because i'd heard it mattered more than the typical AI company. here's what actually happened.
the round was 45 minutes with an engineering manager. it was clearly structured around their values, though they don't call them 'leadership principles' or whatever. the vibe was more like: tell me what you've actually built and how you navigated the hard parts.
questions i got: tell me about a time you had to ship something under significant time pressure. what did you cut and why? describe a situation where you disagreed with a technical decision your team made. how did you handle it? tell me about a project where the requirements changed significantly mid-execution. what did you do? have you ever had to deliver hard feedback to a peer or report? walk me through it.
there was also a softer one: why Scale AI specifically. they genuinely want to hear that you understand what the company does (building reliable AI data infrastructure, not just a 'cool AI startup'). if you can connect your background to the data quality or human-in-the-loop work they do, that seems to land well.
what i noticed: the interviewer pushed for specifics. every answer i gave, they'd ask 'what did YOU specifically do' or 'what was the actual outcome.' have numbers or concrete signals ready for each story. vague impact statements did not satisfy them.
the behavioral round felt like it mattered. i got feedback later (unofficially, from the recruiter) that my technical rounds were strong but they especially liked that my behavioral answers were specific and not rehearsed-sounding. so it counted.