System Design Academy

Source: GitHub: systemdesign42/system-design-academy ⭐ 25.5K

A curated collection of 168+ system design resources organized alphabetically by company, technology, and topic.

Categories

System Design Case Studies (by Company)

Alphabetically organized deep-dives into real-world architectures:

• # — Gaming leaderboard, live comments, distributed counter, presence platform
• A — AWS scaling, Airbnb HTTP streaming, Amazon Prime Video, S3, Lambda, Apple Pay/AirTags
• B — Bitly URL shortener, Bluesky
• C — Canva real-time collab, Cloudflare 55M req/s on 15 Postgres clusters
• D — Disney+ Hotstar (5B emojis, 25M concurrent), Disney+ launch
• F — Facebook live video (1B users), Facebook load balancer, Figma Postgres (4M users)
• G — Google Search, Giphy (10B GIFs/day), GCP scaling
• H — (Hotstar, etc.)
• I, K, L, M, N, P, Q, R, S, T, U, W, Y, Z — More companies

System Design Fundamentals (by Technology)

Concepts organized by technology letter:

• Caching, CDN, CAP theorem, Consistency, Database, DNS, Load Balancing, Message Queue, NoSQL, etc.

System Design Interview Questions

• A — API Design
• C — Chat systems, CDN design
• R — Rate limiter, Real-time systems
• S, T, W, Y — More interview prep

AI Engineering

• Architectures for AI systems and ML infrastructure

Software White Papers

• D, S, X — White papers analysis

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Newsletter: systemdesign.one GitHub: systemdesign42/system-design-academy