Design a Banking Fraud Ranker

HardSystem Design00:00

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Your question is Design a Banking Fraud Ranker. Take a moment with it on the right.

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Problem

Scenario

You are building an ML system for an online banking platform that scores account activity and payment events for fraud risk while handling sensitive financial data. The system must support real-time decisions for customer actions in web and mobile banking.

Question

How would you design a scalable online banking system with secure handling of sensitive financial data?

What this tests

Real-time fraud retrieval and ranking design
Feature store and training-serving consistency
Latency, scale, and fallback planning
Evaluation, drift, and monitoring