
We’ll solve one low-level design problem in an interview-style mock. The focus will be on requirements clarification, designing the LLD flow of classes either through an API-driven approach (following a controller–service–repository pattern) or through a standalone main-function flow, along with entity and class design, extensibility, applying appropriate design patterns, concurrency and thread-safety considerations, and discussing design trade-offs.
You’ll receive actionable feedback on your design clarity, structure, and communication to perform better in real LLD interviews.