Design a Rate Limiter - LLD Interview Problem. Master token bucket & sliding window algorithms. Solutions in Python, Java, C++, TS, JS & C#.
Low Level DesignLLD+5
30–60 min4 steps · 200 XP Design a Payment Processor - LLD Interview Problem. Master idempotency & transaction state management. Solutions in Python, Java, C++, TS, JS & C#.
Low Level DesignLLD+7
60–90 min4 steps · 300 XP