About SystemDesign.guru
We're building the most comprehensive, accessible, and practical system design education platform on the internet.
Our Mission
“Make world-class system design knowledge accessible to every engineer, regardless of background, location, or ability to pay.”
System design is one of the most important skills in software engineering. It determines whether your application serves 100 users or 100 million. It's the gatekeeping interview round at every major tech company. And yet, learning it has traditionally been fragmented — scattered blog posts, expensive courses, and textbooks that nobody finishes.
We set out to change that. SystemDesign.guru is the complete, structured, free-at-its-core learning platform that takes you from “what is a load balancer?” to “let me walk you through the architecture of a distributed LLM inference system.”
What Makes Us Different
Truly Structured
Not random blog posts. A complete 14-module curriculum with prerequisite chains, learning paths, and progressive difficulty.
Interactive Diagrams
Every concept comes with zoomable, annotated architecture diagrams. Not static PNGs — real interactive visuals.
Free Core Content
200+ topic pages, 40+ case studies, and all quizzes are free forever. Premium adds practice tools, not paywalled knowledge.
Always Current
Updated for 2026 with AI/ML systems, LLM architecture, and modern cloud patterns that didn't exist a year ago.
Real-World Focus
Every concept tied to production systems: how DynamoDB uses consistent hashing, how Kafka handles replication, how Uber does driver matching.
Interview + Beyond
Not just interview prep — genuine engineering education that makes you a better architect and technical decision-maker.
By the Numbers
Contact Us
General inquiries: hello@systemdesign.guru
Content feedback: feedback@systemdesign.guru
Partnerships / Sponsorships: partnerships@systemdesign.guru
Student discount requests: students@systemdesign.guru