The table below provides summary statistics and contractor rates for jobs advertised in London requiring Test-First Development skills. It covers contract job vacancies from the 6 months leading up to 25 November 2025, with comparisons to the same periods in the previous two years.
Test-First Development falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring process or methodology skills in London.
Contract vacancies with a requirement for process or methodology skills
13,004
14,059
17,800
As % of all contract IT jobs advertised in London
92.24%
89.51%
89.70%
Number of daily rates quoted
8,538
9,063
12,765
10th Percentile
£335
£350
£355
25th Percentile
£425
£450
£460
Median daily rate (50th Percentile)
£533
£550
£569
Median % change year-on-year
-3.18%
-3.34%
-3.56%
75th Percentile
£650
£675
£688
90th Percentile
£775
£800
£800
England median daily rate
£505
£525
£545
% change year-on-year
-3.81%
-3.67%
-0.91%
Number of hourly rates quoted
255
170
240
10th Percentile
£18.09
£17.25
£18.56
25th Percentile
£24.50
£23.98
£21.50
Median hourly rate
£29.00
£37.50
£35.96
Median % change year-on-year
-22.67%
+4.30%
-8.97%
75th Percentile
£47.50
£55.56
£60.00
90th Percentile
£68.62
£80.75
£75.13
England median hourly rate
£25.15
£36.00
£45.00
% change year-on-year
-30.14%
-20.00%
+25.00%
Test-First Development Job Vacancy Trend in London
Historical trend showing the proportion of contract IT job postings citing Test-First Development relative to all contract IT jobs advertised in London.
Test-First Development Daily Rate Trend in London
Contractor daily rate distribution trend for jobs in London citing Test-First Development.
Test-First Development Top 30 Co-Occurring Skills & Capabilities in London
For the 6 months to 25 November 2025, contractor job vacancies citing Test-First Development also mentioned the following skills and capabilities in order of popularity.
The figures indicate the absolute number of co-occurrences and as a proportion of all contract job ads across the London region with a requirement for Test-First Development.
Test-First Development Co-Occurring Skills & Capabilities in London by Category
The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:
