Ryan Dahl
American software engineer · United States · On the map · Developers · Born 1981 · age 45
Ryan Dahl built Node.js, the runtime that moved JavaScript from browser novelty to backend workhorse - then walked away from it to build Deno, a second attempt to get it right.
Ryan Dahl is read about 119 times a day, in 16 languages.
A typical day, 30 days to 9 November 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 400 days, one point a day.
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About this person
Born in 1981, Dahl is an American software engineer who saw what JavaScript could become if it escaped the browser. Node.js, his first runtime, turned the language into a server-side tool and reshaped how developers think about concurrency and event loops. But technical debt and design regrets accumulated. So he built Deno, a JavaScript and TypeScript runtime, addressing the mistakes he'd lived with in the first go. Two runtimes, one author, both bets on the same unlikely language.
