Back to all questionsSystem Design
Design a system for detecting fraudulent transactions at Evernote.
Tags
Data Analyst
Marketer
General
Consider both rule-based and machine learning approaches, with special attention to false positives that could affect legitimate users.
Companies Asking this quesiton.
Very hard Difficulty
Very-hard questions are the ultimate test of your expertise and preparation. They demand not just knowledge, but creativity and strategic thinking, often addressing unique or highly technical aspects of your field.
System Design question
System Design questions evaluate your ability to architect complex software solutions. Demonstrate your approach to requirements analysis, component design, scalability considerations, and how you make architectural trade-offs.