Period
to 19 January 2018

The following table provides summary statistics for permanent job vacancies advertised in Gatwick with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 6 months to 19 January 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
West Sussex > Gatwick
6 months to
19 Jan 2018
Same period 2017 Same period 2016
Rank 28 30 19
Rank change year-on-year +2 -11 +9
Permanent jobs citing TDD 3 21 28
As % of all permanent IT jobs advertised in Gatwick 2.05% 7.12% 9.66%
As % of the Processes & Methodologies category 2.33% 7.78% 11.76%
Number of salaries quoted 3 21 27
Gatwick median annual salary £50,500 £47,500 £43,000
Median salary % change year-on-year +6.32% +10.47% +6.17%
West Sussex median annual salary £45,000 £48,750 £45,000
% change year-on-year -7.69% +8.33% +12.50%

TDD 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 advertised in Gatwick with a requirement for process or methodology skills.

All Process and Methodology Skills
Gatwick
Permanent vacancies with a requirement for process or methodology skills 129 270 238
As % of all permanent IT jobs advertised in Gatwick 88.36% 91.53% 82.07%
Number of salaries quoted 117 254 208
Gatwick median annual salary £45,000 £50,000 £43,000
Median salary % change year-on-year -10.00% +16.28% +2.38%
10th Percentile £26,250 £31,250 £25,500
90th Percentile £67,500 £63,750 £60,000
West Sussex median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% +6.25%

TDD
Job Vacancy Trend in Gatwick

Job postings citing TDD as a percentage of all IT jobs advertised in Gatwick.

Job vacancy trend for TDD in Gatwick

TDD
Salary Trend in Gatwick

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD in Gatwick.

Salary trend for TDD in Gatwick

For the 6 months to 19 January 2018, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Gatwick region with a requirement for TDD.

1 3 (100.00%) HTML
1 3 (100.00%) Java
1 3 (100.00%) JavaScript
1 3 (100.00%) CSS
1 3 (100.00%) XML
1 3 (100.00%) XSLT
1 3 (100.00%) XHTML
1 3 (100.00%) SOA
1 3 (100.00%) Scrum
1 3 (100.00%) Agile Software Development
1 3 (100.00%) Subversion
1 3 (100.00%) Ajax
1 3 (100.00%) JSON
1 3 (100.00%) Dojo
1 3 (100.00%) YUI
1 3 (100.00%) jQuery
1 3 (100.00%) Unit Testing
1 3 (100.00%) Ext JS
1 3 (100.00%) Git (software)
1 3 (100.00%) RESTful
1 3 (100.00%) HTML5
1 3 (100.00%) Waterfall
1 3 (100.00%) Hudson
1 3 (100.00%) REST
1 3 (100.00%) CSS3
1 3 (100.00%) KnockoutJS
1 3 (100.00%) Sass
1 3 (100.00%) AngularJS
1 3 (100.00%) Jenkins
1 3 (100.00%) Data Transformation

TDD
Co-occurring IT Skills in Gatwick 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:

Development Applications
1 3 (100.00%) Git (software)
1 3 (100.00%) Hudson
1 3 (100.00%) Jenkins
1 3 (100.00%) Subversion
Job Titles
1 3 (100.00%) Developer
1 3 (100.00%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 3 (100.00%) Ajax
1 3 (100.00%) AngularJS
1 3 (100.00%) CSS
1 3 (100.00%) CSS3
1 3 (100.00%) Dojo
1 3 (100.00%) Ext JS
1 3 (100.00%) HTML
1 3 (100.00%) HTML5
1 3 (100.00%) jQuery
1 3 (100.00%) JSON
1 3 (100.00%) JSON Schema
1 3 (100.00%) KnockoutJS
1 3 (100.00%) React
1 3 (100.00%) REST
1 3 (100.00%) RESTful
1 3 (100.00%) Sass
1 3 (100.00%) XHTML
1 3 (100.00%) XML
1 3 (100.00%) XSLT
1 3 (100.00%) YUI
Processes & Methodologies
1 3 (100.00%) Agile Software Development
1 3 (100.00%) Cross-Browser Compatibility
1 3 (100.00%) Data Transformation
1 3 (100.00%) Scrum
1 3 (100.00%) SDLC
1 3 (100.00%) SOA
1 3 (100.00%) Unit Testing
1 3 (100.00%) Waterfall
Programming Languages
1 3 (100.00%) Java
1 3 (100.00%) JavaScript