Low-Level Design Mock Interview with Raushan Singh

A 60-minute low-level design / machine-coding round in Java, the format many product companies use for SDE-2 and Senior roles: a problem like a parking lot, rate limiter, LRU cache, splitwise or elevator system, designed and coded end to end.

We focus on class design, SOLID principles, the right design patterns, concurrency where it matters, and writing clean, extensible code under time pressure.

You get a scorecard plus written feedback within 24 hours. Share your target company and level in the booking questions.