I’m a reliability engineer and a dad of two. I work on large systems: performance, reliability, and incident response. I’m interested in the gap between what looks fine and what is fine. A green dashboard before an outage. A fix that hides a deeper problem. AI-generated code that needs a closer look. Here I share what I build, what breaks, and what I learn along the way. What I’m building - [sacmoms.com](https://sacmoms.com/) — Helping Sacramento-area families find things to do with their kids, built with AI agents. - [jev-oncall](https://github.com/mingleiw/jev-oncall) — Exploring fast, low-cost AI for alert triage, with explicit rules for uncertainty and human review. Have a question or a different take? Find me on [X](https://x.com/RaeX1101) or [LinkedIn](https://www.linkedin.com/in/ming-lei-wang). Want new posts by email? [Subscribe to Thinking in the Gaps](https://buttondown.com/minglei) ## Posts - [[“Resolved” Is One of the Most Misleading Words in Engineering]] - [[Thinking with AI|Thinking with AI]] - [[Why Issue Tracking Drifts]] - [[Where Are We Taking the Kids Today?]] - [[Putting a model on the paging path without letting it drop pages]]