The table below provides summary statistics for contract job vacancies advertised in Isleworth requiring JavaScript skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited JavaScript over the 6 months leading up to 2 May 2025, comparing them to the same period in the previous two years.
JavaScript falls under the Programming Languages category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring coding skills in Isleworth.
Contract vacancies with a requirement for coding skills
1
9
6
As % of all contract IT jobs advertised in Isleworth
50.00%
45.00%
40.00%
Number of daily rates quoted
1
9
6
10th Percentile
-
-
£544
25th Percentile
£368
-
£578
Median daily rate (50th Percentile)
£385
£250
£591
Median % change year-on-year
+54.00%
-57.72%
+32.87%
75th Percentile
£403
£470
£618
90th Percentile
-
£525
£644
Hounslow median daily rate
£400
£363
£538
% change year-on-year
+10.34%
-32.56%
+5.39%
JavaScript Job Vacancy Trend in Isleworth
Job postings citing JavaScript as a proportion of all IT jobs advertised in Isleworth.
JavaScript Contractor Daily Rate Trend in Isleworth
3-month moving average daily rate quoted in jobs citing JavaScript in Isleworth.
JavaScript Top 18 Co-occurring Skills and Capabilities in Isleworth
For the 6 months to 2 May 2025, contractor job vacancies citing JavaScript also mentioned 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 Isleworth region with a requirement for JavaScript.
JavaScript Co-occurring Skills and Capabilities in Isleworth 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:
