System Design Course – APIs, Databases, Caching, CDNs, Load Balancing & Production Infra
freeCodeCamp.org 2h 5m EN published 2026-04-16
Why LearnPath recommends it
A 2025 freeCodeCamp system design course covering APIs, database choices, caching, CDNs, load balancing and observability with diagrams and worked examples. The most current end-to-end treatment verified.
Editorial review dimensions (1–5), assigned by LearnPath editors — not a computed score. Last reviewed 2026-09-12.
What you walk away with
Design a scalable service architecture on a whiteboard
Justify caching, replication and sharding decisions