Most of the code I ship now is typed by an agent. I write the spec, Claude Code writes the diff, the checks run, and I read what came back. That changed which of my skills earn their keep. Typing speed stopped mattering; judgement started mattering more.

This is the list I would hand an engineer who wants to be useful through 2027. It is opinionated and comes from my own daily work. For each skill I cover why it matters now, what good looks like, and one exercise you can do this week.

The numbers back up the shift. The Stack Overflow 2026 Developer Survey, published in October, found that 73% of people who use AI coding assistants or agents use them daily, that Claude Code (66%) and GitHub Copilot (59%) are the agents of choice, and that 79% of respondents want to improve their AI skills. It also found 93% want source attribution before trusting AI output. Usage is high; trust is earned.

The results of the 2026 Developer Survey are here!…