Cracking the System Design Interview: 20 Real-World Problems with Scalable Architectures (English Edition)

System design interviews are among the toughest rounds in software engineering hiring. Unlike coding tests, they measure how you think about scale, reliability, trade-offs, and distributed systems under ambiguity - and most candidates struggle not because they lack knowledge, but because they've never been taught to reason through architecture decisions.

This book walks through twenty real-world system design problems - from URL shorteners and chat systems to payment platforms, video streami...