Senior Developer

In The Zoom-Out, I wrote about the moment a senior developer realizes they don’t know what they don’t know — Corepack, Yarn, Orval, the whole peripheral toolchain that matured while we were busy shipping. That post was about naming the feeling and regaining perspective. Plenty of readers wrote back with the natural next question: “Okay, I get it — the map is huge and I can’t know everything. But how do I actually find the important stuff before I’ve been doing it wrong for five years?” ...

It happened to me this morning. After 15 years in the trenches—building frontend architectures, dipping into the backend, leading teams, and surviving countless framework wars—I hit a wall. Not a technical wall, but a conceptual one. I realized I didn’t know what Corepack was. I’ve never actually used Yarn. I’ve heard of test‑managers and code‑generation tools like Orval, but I’ve never managed to actually run one in a production pipeline. ...