System Design Cheat Sheet: Concepts Every Developer Should Know (opens in new tab)

I spent years reading system design books and articles, watching conference talks, and building actual systems. This cheat sheet is everything I wish I had when I started. It covers the concepts that actually matter when building systems that scale. Use this as a reference when designing systems, preparing for interviews, or reviewing architecture decisions. Table of Contents The System Design Process Scalability Fundamentals Load Balancing Caching Databases Message Queues API Design Distribu...