> I don't know Google's exact ratios. But I would estimate that ~10% of their SWEs are L6 and 3-5% are L7+. It's similar at Facebook. Something like 10% are L

> I don't know Google's exact ratios. But I would estimate that ~10% of their SWEs are L6 and 3-5% are L7+. It's similar at Facebook. Something like 10% are L6+ (mostly L6 and very few L7+).