Life & fun · December 30, 2021
I'm writing a free, illustrated textbook for system design interviews
📕 SystemDesign.org Textbook for System Design ✅ Step-by-Step Illustrated Guide ✅ Curated Questions ✅ + pages ✅ Completely Free 🤑 📖 Document link: systemdesign.org Why are we writing this book? After talking to hundreds of engineers and candidates at FAANG companies, we fo...
I'm writing a free, illustrated textbook for system design interviews launched on December 30, 2021 with 67 votes, #885 of 2,707 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 4 years on.
In plain words
This is a free illustrated textbook designed to help people prepare for system design interviews. Launched in late 2021, it uses visual explanations to break down complex concepts and architectural patterns. The resource is hosted on Google Docs, making it accessible and easy to share. It's aimed at software engineers and job candidates studying for technical interviews who benefit from diagram-based learning approaches.
written from the facts on this page · September 2026
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