Hi, I'm Henry Wang. I'm a Quality Engineer who makes apps for the Mac and iPhone and works on Linux.

I've used a Mac for 16 years and Linux for 10. I work at LSEG, worked at Red Hat before that, build Berthly on the side, and maintain bootc. I write here about software, design, travel and books.

All Apple Software Life Books Design

Software Jul 2, 2026 · 1 min read

Local LLM + Claude Code: Cut AI Costs Without Cutting Quality

Split agent work by complexity: Claude Code for reasoning, a local Qwen model on a MacBook Air for mechanical tasks at zero token cost, with Ollama and oMLX benchmarked.

Life Jun 30, 2026 · 2 min read

Build factories, not features

Two months after a layoff, Andrej Karpathy's talk on agentic engineering turned my panic into a question I can act on: how do I become an agentic engineer instead of a vibe coding one?

Apple Dec 7, 2014 · 4 min read