They are based in Switzerland . 140k USD median dev salary
For a Senior perhaps. The figures I find for Switzerland are more in the 90-120 range depending on the source. Also, I think what OP was referring to is the 'most markets' bit. Switzerland is the best paying country in Europe (discounting London).
Interesting claim, where do you gather that data? The quick results I got where from a 2024 report on TheNextWeb claiming its around 90k USD equivalent in Switzerland https://thenextweb.com/news/european-cities-highest-salaries...