Your question is Fraud Detection Pipeline for a Large Bank. 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).
How would you design a fraud detection pipeline for a large bank? Explain the end-to-end practical design, including transaction ingestion, stream and batch processing, feature generation, model scoring, storage, orchestration, data quality, monitoring, failure recovery, and backfilling. Discuss how you would achieve low-latency decisions while preserving reliable, auditable data for investigation and regulatory reporting.