No Juniors Today, No Seniors in 2031 — Blog | Filipe Brito Ferreira — Front-End Engineer

AI didn’t kill the senior engineer. We did, by not hiring the junior who would’ve become one. Compound interest works in both directions. The per-developer cost I wrote about a month ago is one side of the meter. The unhired junior is the other, and that meter has been running since 2024 whether the dashboards report it or not.