Your question is Typical LeetCode and System Design. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Tell me about the kinds of technical questions you expect, including typical LeetCode and product or system design topics.
Focus your answer on how you would prepare for ML system design discussions: clarifying requirements, sizing a system, selecting retrieval and ranking approaches, separating online from batch work, and defining evaluation and monitoring. Briefly explain how you would balance algorithm practice with practical design reasoning, including feature drift, training-serving skew, and production failure modes.