Your question is Card Delivery 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).
Design Card Delivery System.
Asked in the system design stage. Described as a typical system design round.
Explain how you would design an end-to-end system for Revolut card delivery, including delivery-time prediction, carrier or service selection, and status prioritization. Clarify the requirements you need, estimate scale, and describe the data, model-serving, and monitoring architecture. Address online versus batch processing, latency and availability, delayed feedback, feature drift, training-serving skew, and operational failure modes. Discuss how you would evaluate the system offline and through controlled production experiments. Keep the design practical and explain the tradeoffs behind your choices.