Your question is Real-Time Financial Ingestion Pipeline. 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 real-time data ingestion pipeline that handles high-volume financial transactions while minimizing latency for Citi.
Clarify the required throughput, latency, durability, ordering, replay, and compliance guarantees before proposing an architecture. Address ingestion, validation, storage, downstream ML processing, failure recovery, observability, and capacity planning without assuming unstated business metrics.