Archive - The System Design Newsletter

How Virtual Machines Work - A Deep Dive

#148: Part 1 - DevOps Mastermind

23 hrs ago • Neo Kim and Ayaan

AI Agents: State, Memory, Consistency - A Deep Dive

#147: Understanding State, Memory, and Consistency in AI Agents

May 17 • Neo Kim and Sivasankar Natarajan

How ML Systems Actually Work: From Data to Deployment

#146: From Embeddings to Feature Stores - 38 Concepts That Power Netflix, Uber, and Spotify

May 12 • Paolo Perrone and Neo Kim

I struggled with mobile system design until I learned these 53 concepts

#145: Part 2 - Conflict resolution, certificate pinning, rendering performance, and 17 others.

May 7 • Shefali Jangid and Neo Kim

Design a personal AI chat assistant

#144: Part 2 - Generative AI Masterclass

May 4 • Neo Kim and Louis-François Bouchard

April 2026

Multi-Agent Architectures, Clearly Explained

#143: Coordination architectures, protocols connecting them, and how to pick the right one before you write any code.

Apr 30 • Neo Kim

29 LLM Evaluation Concepts Every Engineer Needs to Know

#142: From “it looked fine in testing” to a system you can actually trust

Apr 27 • Anshuman Mishra and Neo Kim

Vector Database - A Deep Dive

#141: A Beginner’s Guide to the AI Stack’s Most Misunderstood Component

Apr 25 • Maxine Meurer and Neo Kim

9 Agentic Patterns, Simply Explained

#140: The design decisions behind modern AI systems: how each design pattern works, where it breaks, and when to use it.

Apr 22 • Neo Kim

I rejected 1000s of resumes at Meta

#139: This is what they got wrong

Apr 15 • Austen McDonald and Neo Kim

11 AI Concepts Explained, Simply

#138: Break into AI Engineering

Apr 9 • Neo Kim and Logan Thorneloe

Everything You Need to Know to Design GenAI Systems From Scratch

#137: Part 1 - Generative AI Masterclass

Apr 7 • Louis-François Bouchard and Neo Kim

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