Logger with Independent Handlers and Keyword Search

Problem Overview

The round: a phone screen: a logger built from handlers, then search. Two graded parts and a discussion; one candidate only discussed Part 2. Reports say the point is OOP and design patterns: one prompt asks you to discuss the design pattern and make the logger extensible for future API…

• 7 candidate-reported follow-ups — the exact probes interviewers asked, with the trigger for each
• The rest of the problem statement — full requirements, constraints, and edge cases
• Approach and trade-offs — what passing candidates did, and the mistakes that sink people