Archive - The System Design Newsletter

Networking - A Deep Dive

#192: Part 1 - Must Know Networking Concepts Explained

22 hrs ago • Neo Kim

HTTP1 vs HTTP2 vs HTTP3

#191: Part 2 - 23 Concepts Every Engineer Must Know

Oct 17 • Neo Kim

HTTP1 vs HTTP2 vs HTTP3

#190: Part 1 - 23 Concepts Every Engineer Should Know

Oct 15 • Neo Kim

AI Engineering Playbook 🔥

Download My Playbook for Free

Oct 13 • Neo Kim

How to Scale an “AI App” to 1 Million Users in Production

#189: Part 7 - Generative AI Masterclass

Oct 12 • Louis-François Bouchard and Neo Kim

Claude Code on Autopilot: Schedule It Once and Walk Away

#188: Part 4 - Claude Code 24/7

Oct 6 • Neo Kim and Gencay

64 AI Concepts Every Software Engineer Should Know

#187: Part 1 - Generative AI, RAG, AI Agents, and 14 others.

Oct 5 • Neo Kim

How Vector Database Search Billions of Vectors in Milliseconds

#186: Understand HNSW Graphs, Approximate Nearest Neighbor Search, and Key Parameters Engineers Tune in Production

Oct 4 • Avani Chaskar and Neo Kim

API design was HARD until I learned these 33 concepts

#185: Part 2 - JWT, WebSockets, OpenAPI, and 13 others.

Oct 3 • Neo Kim

I struggled with "API design" until I learned these 33 concepts

#184: Part 1 - REST, GraphQL, Authentication, and 14 others.

Oct 2 • Neo Kim

September 2026

How to create a good LLM judge

#183: Build a judge from expert examples and measure the mistakes it makes

Sep 30 • Hamel Husain and Neo Kim

Realtime AI Agent - A Deep Dive

#182: Infrastructure layer behind realtime agents

Sep 28 • Neo Kim

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