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Supaboard is a whiteboard purpose-built for system design interview practice. Diagram architectures using pre-built components (databases, caches, queues, load balancers), track requirements as you build, take on guided challenges, and get real-time feedback from an AI mentor that analyzes your actual diagram. Browse the community gallery to learn from other engineers' approaches. Free to start.
SupaboardPractice system design interviews with AI mentorship
Andre Cytrynleft a comment
Hey PH! I'm Andre, eng lead based in Vancouver. I've interviewed a lot of engineers for system design rounds over the years. The pattern that kept bugging me: candidates clearly understood the theory but fell apart when they had to actually build something from scratch. They'd watched all the YouTube videos, memorized the classic walkthroughs, but give them a slightly different problem and...
SupaboardPractice system design interviews with AI mentorship