Homegrown Meta engineers reach Senior at 84% vs 40% for outside hires

FinanceYF5 · x · 2026-10-22

Levels.fyi data shows that at Meta, 84% of engineers who joined fresh and never left have reached Senior or above, versus only 40% for outside hires with the same experience. Google shows 61% vs 29%, Microsoft 47% vs 25% — staying at one big tech company roughly doubles your odds of making Senior.

Related event: levels.fyi: Staying at Big Tech Nearly Doubles Senior Promotion Odds(3 posts)→

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