These are some general figures for software folks, not as granular in terms of job titles but still interesting (though I couldn’t figure out the cost of living factor Delatores have put in)
Source:Delatores

Where are software developers paid the most? The answer depends on two factors: raw salary and cost of living. When a raw salary is combined with a cost of living index an adjusted salary can be determined. The adjusted salary represents the actual buying power of a salary