The era of "1 senior + 5 juniors" is ending. Enter the senior-heavy pod.
AI agents take over execution; engineers take over orchestration and validation. The developer's role shifts from "author of code" to goal-setter / constraint-definer / output-validator. Technical writing — precise specs for agents — is becoming an engineering discipline in its own right.
The backdrop is harsh: Q1 2026 saw 52,050 tech layoffs (the highest since 2023), and junior hiring at big tech is down ~25%. Meanwhile ML vacancies are up 59% against the 2020 baseline.
The verdict for team leads: if your growth pipeline rested on hiring juniors, it is broken. Start thinking about how to grow engineers in-house now that agents are claiming the bottom of the pyramid.