Also, what does the "upper crust" even mean? Is this average developer salaries at the top paying companies? The top developer salaries at top paying companies?

Also, what does the "upper crust" even mean? Is this average developer salaries at the top paying companies? The top developer salaries at top paying companies? In the latter case, is it top 25 percentile, 10 percentile? Spend less time coming up with catchy titles, and try including at least the bare minimum of relevant description.