Your question is DoorDash Homepage Recommendations. 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).
Design a restaurant recommendation system for DoorDash's homepage.
Asked in the onsite - system design stage. Explain how you would clarify requirements, size the system, select models, and design reliable online and offline components. Cover retrieval, ranking, serving, evaluation, and operational failure modes.