Germany splits the employer's share of social insurance across four separate schemes, each with its own rate, and two different assessment ceilings. Pension and unemployment insurance share the higher ceiling; health and long-term care insurance share a separate, lower one. For most tech salaries below both ceilings, the combined employer rate sits around 21.1%, but once salary crosses the lower health/care ceiling, that portion of the load stops growing while pension and unemployment keep accruing until the higher ceiling.
On top of the four statutory schemes, every employer also pays for compulsory accident insurance through their Berufsgenossenschaft, priced by industry risk classification rather than a flat national rate, and funded entirely by the employer with no employee contribution at all.
The net effect is that Germany's employer load isn't a single flat percentage the way some markets present it, it genuinely shrinks as a proportion of salary once you're past the lower ceiling, which matters when budgeting senior hires versus junior ones.