Building scalable products, clean systems, and thoughtful experiences.

I design reliable software across web, mobile, and cloud. Explore the latest insights, engineering notes, and a focused portfolio of production work.

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Apr 13, 202601

Stop Using Timestamps as IDs — Your Distributed System Is One Race Condition Away From Chaos

Auto-increment integers, UUID v4, and created_at-based ordering are everywhere — and they all have silent failure modes in distributed systems. This post breaks down exactly where each approach breaks, why it matters, and which ID strategies (ULIDs, Snowflake IDs, UUID v7) actually hold up under real production load.

Apr 9, 202602

Claude Code Leaked: What 512,000 Lines of TypeScript Taught the World About AI Agents

On March 31, 2026, Anthropic accidentally shipped the full Claude Code source — 512,000 lines of TypeScript — inside an npm package. The resulting clean-room rewrite became the fastest-growing GitHub repo in history. Here's exactly what the architecture reveals, and what you can take from it as an engineer.

Apr 5, 202603

Netflix Uses Cassandra. Instagram Uses PostgreSQL. Twitter Uses Redis. They're All Right.

Netflix writes 3M records/sec. Instagram serves a billion users. Twitter handles 300K timeline reads/sec. Each picked a radically different database — not because one is better, but because their access patterns are fundamentally different. This post reverse-engineers all three architectures and gives you a mental framework for making these decisions yourself.

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Mar 23, 202601

Nvidia Just Made AI Agents Enterprise-Ready. Here's What Actually Happened.

Jensen Huang called OpenClaw 'the most important software release, probably ever' — comparing it to Linux, HTML, and Kubernetes in the same breath. Bold claim. But after digging into what Nvidia actually built around it, I think he might be right.

Mar 17, 202602

5 Brutal Truths Nobody Taught Me About Programming (But Should Have)

I've been writing code for years. Read the books. Studied the patterns. Nailed the algorithms. And yet — the lessons that actually made me a better developer? None of them came from a textbook. Every single one came from something breaking, a user doing something unexpected, or me staring at a screen at midnight wondering where it all went wrong.

Mar 16, 202603