Problem
Scenario
You are building the decision system for a bank of elevators in a multi-floor building. The system observes hall calls, car positions, load, direction, and recent traffic patterns, then decides which elevator should serve each request.
Question
How would you design an elevator system?
What this tests
- Real-time candidate generation and ranking
- Online versus batch feature computation
- Edge serving and safe fallback design
- Evaluation, drift, and monitoring
Practicing as: Software Engineer interview at DeemHi, I'll play your Deem interviewer for the Software Engineer role. Candidates describe these interviews as often stressful and moderately difficult, so expect me to be direct and to the point. Take your time with the question above and answer like we're in the room.
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