Using that same job calculator that you used (for the developer position) near the bottom of this page: https://about.gitlab.com/jobs/developer/, the rates are way way off from my area.
They are out of their minds if they think the top rate for a Senior engineer in Salt Lake City with above average experience is $78k. Most other areas also seem pretty low from what I've looked into but I suppose a few areas could be outliers in their calculator.
Their docs on the calculator are here: https://about.gitlab.com/handbook/people-operations/global-c...
It's a bit strange that they cut or raise your pay by that calculator when you move cities.