For comparison with the information above, the following table provides summary statistics for all contract IT job vacancies. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.
Contract vacancies in the UK with a recognized job title
30,003
35,798
46,379
% of contract IT jobs with a recognized job title
91.06%
92.95%
94.20%
Number of daily rates quoted
18,960
22,064
31,748
10th Percentile
£278
£300
£300
25th Percentile
£400
£413
£425
Median daily rate (50th Percentile)
£500
£525
£530
Median % change year-on-year
-4.76%
-0.94%
-3.64%
75th Percentile
£623
£638
£650
90th Percentile
£725
£750
£750
UK excluding London median daily rate
£475
£500
£500
% change year-on-year
-5.00%
-
-
Number of hourly rates quoted
1,577
1,684
1,483
10th Percentile
£13.75
£14.73
£15.00
25th Percentile
£17.30
£20.30
£19.06
Median hourly rate
£25.15
£43.00
£44.50
Median % change year-on-year
-41.51%
-3.37%
+71.15%
75th Percentile
£52.50
£65.00
£65.00
90th Percentile
£70.00
£75.00
£77.50
UK excluding London median hourly rate
£25.15
£45.00
£43.00
% change year-on-year
-44.11%
+4.65%
+95.45%
Principal Developer Job Vacancy Trend
Job postings that featured Principal Developer in the job title as a proportion of all IT jobs advertised.
Principal Developer Daily Rate Trend
Contractor daily rate distribution trend for Principal Developer job vacancies in the UK.
Principal Developer Daily Rate Histogram
Daily rate distribution for jobs citing Principal Developer over the 6 months to 18 September 2025.
Principal Developer Hourly Rate Trend
Contractor hourly rate distribution trend for Principal Developer job vacancies in the UK.
Principal Developer Top 7 Contract Job Locations
The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Principal Developer within the UK over the 6 months to 18 September 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.
Location
Rank Change on Same Period Last Year
Matching Contract IT Job Ads
Median Daily Rate Past 6 Months
Median Daily Rate % Change on Same Period Last Year
Principal Developer Skill Set Top 30 Co-occurring Skills and Capabilities
For the 6 months to 18 September 2025, Principal Developer contract job roles required the following skills and capabilities in order of popularity.
The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads featuring Principal Developer in the job title.
Principal Developer Skill Set Co-occurring Skills and Capabilities by Category
The follow tables expand on the table above by listing co-occurrences grouped by category.
The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:
