Period
to 20 November 2017

The following table provides summary statistics for permanent job vacancies with a requirement for Test-First Development skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Test-First Development over the 6 months to 20 November 2017 with a comparison to the same period in the previous 2 years.

Test-First Development
UK
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 1187 1207 1301
Rank change year-on-year +20 +94 +27
Permanent jobs citing Test-First Development 2 12 10
As % of all permanent IT jobs advertised in the UK 0.001% 0.006% 0.005%
As % of the Processes & Methodologies category 0.001% 0.007% 0.005%
Number of salaries quoted 2 12 10
UK median annual salary £43,750 £40,000 £41,250
Median salary % change year-on-year +9.38% -3.03% -26.67%
10th Percentile £38,375 £27,863 £27,650
90th Percentile £48,125 £43,750 £57,750
UK excluding London median annual salary £40,000 £40,000 £40,000

Test-First Development is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for process or methodology skills.

All Process and Methodology Skills
UK
Permanent vacancies with a requirement for process or methodology skills 161665 167144 194190
As % of all permanent IT jobs advertised in the UK 89.93% 89.36% 88.79%
Number of salaries quoted 127669 138904 159942
UK median annual salary £50,000 £49,500 £47,500
Median salary % change year-on-year +1.01% +4.21% +5.56%
10th Percentile £28,750 £28,000 £27,500
90th Percentile £80,000 £78,750 £77,500
UK excluding London median annual salary £44,000 £42,500 £42,500
% change year-on-year +3.53% - +6.25%

Test-First Development
Job Vacancy Trend

Job postings citing Test-First Development as a percentage of all IT jobs advertised.

Job vacancy trend for Test-First Development in the UK

Test-First Development
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Test-First Development.

Salary trend for Test-First Development in the UK

Test-First Development
Top 4 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Test-First Development within the UK over the 6 months to 20 November 2017. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +41 2 £43,750 +9.38%
South East +40 1 £40,000 +41.59%
UK excluding London +25 1 £40,000 -
London - 1 £47,500 -

For the 6 months to 20 November 2017, IT jobs citing Test-First Development also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for Test-First Development.

1 2 (100.00%) Agile Software Development
2 1 (50.00%) TDD
2 1 (50.00%) Web Development
2 1 (50.00%) Continuous Integration
2 1 (50.00%) Kanban
2 1 (50.00%) React
2 1 (50.00%) C#
2 1 (50.00%) Java
2 1 (50.00%) JavaScript
2 1 (50.00%) PL/SQL
2 1 (50.00%) SQL
2 1 (50.00%) .NET
2 1 (50.00%) Oracle
2 1 (50.00%) MVC
2 1 (50.00%) Law

Test-First Development
Co-occurring IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

General
1 1 (50.00%) Law
Job Titles
1 1 (50.00%) Analyst
1 1 (50.00%) Analyst Developer
1 1 (50.00%) Applications Developer
1 1 (50.00%) Applications Support
1 1 (50.00%) Applications Support Analyst
1 1 (50.00%) Developer
1 1 (50.00%) Support Analyst
Libraries, Frameworks & Software Standards
1 1 (50.00%) .NET
1 1 (50.00%) React
Processes & Methodologies
1 2 (100.00%) Agile Software Development
2 1 (50.00%) Continuous Integration
2 1 (50.00%) Kanban
2 1 (50.00%) MVC
2 1 (50.00%) TDD
2 1 (50.00%) Web Development
Programming Languages
1 1 (50.00%) C#
1 1 (50.00%) Java
1 1 (50.00%) JavaScript
1 1 (50.00%) PL/SQL
1 1 (50.00%) SQL
Vendors
1 1 (50.00%) Oracle