For comparison with the information above, the following table provides summary statistics for all contract IT job vacancies in London. 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 London with a recognized job title
12,044
16,404
23,985
% of contract IT jobs with a recognized job title
93.40%
93.88%
94.82%
Number of daily rates quoted
8,141
11,758
17,511
10th Percentile
£335
£325
£363
25th Percentile
£425
£445
£463
Median daily rate (50th Percentile)
£550
£550
£575
Median % change year-on-year
-
-4.35%
-
75th Percentile
£675
£688
£700
90th Percentile
£788
£800
£800
England median daily rate
£513
£525
£550
% change year-on-year
-2.38%
-4.55%
+2.33%
Number of hourly rates quoted
183
316
271
10th Percentile
£18.87
£16.00
£18.00
25th Percentile
£23.23
£20.17
£22.95
Median hourly rate
£32.50
£27.50
£37.50
Median % change year-on-year
+18.18%
-26.67%
+7.14%
75th Percentile
£50.50
£45.18
£65.00
90th Percentile
£63.75
£67.50
£82.50
England median hourly rate
£28.18
£39.55
£43.93
% change year-on-year
-28.75%
-9.97%
+75.72%
JavaScript Developer Job Vacancy Trend in London
Job postings that featured JavaScript Developer in the job title as a proportion of all IT jobs advertised in London.
JavaScript Developer Contractor Daily Rate Trend in London
3-month moving average daily rate quoted in jobs citing JavaScript Developer in London.
JavaScript Developer Daily Rate Histogram in London
Daily rate distribution for jobs citing JavaScript Developer in London over the 6 months to 1 July 2025.
JavaScript Developer Contractor Hourly Rate Trend in London
3-month moving average hourly rates quoted in jobs citing JavaScript Developer in London.
JavaScript Developer Contract Job Locations in London
The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript Developer within the London region over the 6 months to 1 July 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
JavaScript Developer Skill Set Top 30 Co-occurring Skills and Capabilities in London
For the 6 months to 1 July 2025, JavaScript 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 across the London region featuring JavaScript Developer in the job title.
JavaScript Developer Skill Set Co-occurring Skills and Capabilities in London 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:
