Writing

Notes on architecture
and AI engineering.

Notes on AI engineering and system design — LLMs, RAG pipelines, agentic systems, and the gap between a working demo and production.

System DesignBackendArchitecture
Backend System Design: 20 Concepts Every Developer Must Understand
AI can write your Express routes. But ask it whether your system should use a monolith or microservices at your current scale, and you'll get a generic answer that could cost months of migration pain. That's the real difference.
May 4, 202620 min read
System DesignReactNext.js
Frontend System Design: 20 Concepts That Separate Architects from Coders
AI can scaffold your components. But can it decide whether your app needs SSR or CSR? The 20 frontend system design concepts that matter in production — and in interviews.
Apr 25, 202618 min read