Design some concurrent system, an architecture question that the interviewer couldn't articulate for 45 min
Sigiloso
The key in these questions is to cover the fundamentals, and be ready for the back-and-forth with the interviewer. Might be worth doing a mock interview with one of the Grammarly or ex-Grammarly Software Developer experts on Prepfully? They give real-world practice and guidance, which is pretty helpful. prepfully.com/practice-interviews