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 5, 202601

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.

Apr 2, 202602

Claude Code Best Practices: 10 Things Every Developer Should Know

Most developers fire up Claude Code, ask it to write some code, and call it a day. But the teams getting 10x results are doing things very differently. This post breaks down how Claude Code actually works under the hood, the best use cases, and 10 battle-tested practices straight from the people who build it.

Apr 1, 202603

100 Million Downloads. One Compromised Account. Your Machine Is Now a Botnet.

On March 31, 2026, two malicious versions of Axios — axios@1.14.1 and axios@0.30.4 — were discovered containing a precision-engineered, self-erasing supply chain attack. The RAT it dropped could silently steal your AWS credentials, API keys, and more — and npm audit reported a clean bill of health the entire time. Here's exactly how it worked.

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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