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 3 months to 26 April 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
West Sussex / Gatwick
3 months to
26 Apr 2017
Same period 2016 Same period 2015
Rank 24 23 17
Rank change year-on-year -1 -6  
Permanent jobs citing TDD 10 2 2
As % of all permanent IT jobs advertised in Gatwick 6.99% 1.75% 1.94%
As % of the Processes & Methodologies category 8.85% 2.35% 2.50%
Number of salaries quoted 10 1 2
Median salary £60,000 £48,500 £42,500
Median salary % change year-on-year +23.71% +14.11%  
UK excluding London median salary £45,000 £44,000 £42,500
% change year-on-year +2.27% +3.52%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Gatwick with a requirement for process and methodology skills.

Process & Methodology Skills
Gatwick
Permanent job vacancies with a requirement for process and methodology skills 113 85 80
As % of all permanent IT job vacancies advertised in Gatwick 79.02% 74.56% 77.67%
Number of salaries quoted 108 72 71
Median salary £50,000 £45,000 £40,000
Median salary % change year-on-year +11.11% +12.50%  
90% offered a salary of more than £32,000 £37,500 £30,000
10% offered a salary of more than £62,500 £50,000 £60,000
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Gatwick

The job posting trend of jobs advertised in Gatwick citing TDD as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

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 26 April 2017, 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 23 (100.00%) C++
1 23 (100.00%) Agile Software Development
2 21 (91.30%) Scrum
2 21 (91.30%) C#
2 21 (91.30%) OO
3 19 (82.61%) Line Management
3 19 (82.61%) Mentoring
4 4 (17.39%) Software Engineering
4 4 (17.39%) Windows
5 2 (8.70%) Linux
5 2 (8.70%) Automated Testing
5 2 (8.70%) SOA
5 2 (8.70%) TCP/IP
5 2 (8.70%) Shell Script
5 2 (8.70%) Configuration Management
5 2 (8.70%) Web Services
5 2 (8.70%) Exploratory Testing
5 2 (8.70%) Test Strategy
5 2 (8.70%) Embedded Systems
5 2 (8.70%) Jenkins
5 2 (8.70%) ISTQB Foundation Certification
5 2 (8.70%) Software Testing
5 2 (8.70%) ISTQB
5 2 (8.70%) Degree
5 2 (8.70%) Computer Science
5 2 (8.70%) Continuous Integration
5 2 (8.70%) Multithreading
5 2 (8.70%) Git (software)
5 2 (8.70%) Windows 7
6 1 (4.35%) .NET

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:

Communications & Networking
1 2 (8.70%) TCP/IP
Development Applications
1 2 (8.70%) Git (software)
1 2 (8.70%) Jenkins
Job Titles
1 19 (82.61%) C++ Team Leader
1 19 (82.61%) Team Leader
2 2 (8.70%) C# Software Engineer
2 2 (8.70%) C++ Software Engineer
2 2 (8.70%) Software Engineer
2 2 (8.70%) Software Test Engineer
2 2 (8.70%) Test Engineer
3 1 (4.35%) Test Automation Engineer
Libraries, Frameworks & Software Standards
1 2 (8.70%) Web Services
2 1 (4.35%) .NET
Miscellaneous
1 2 (8.70%) Computer Science
1 2 (8.70%) Embedded Systems
Operating Systems
1 4 (17.39%) Windows
2 2 (8.70%) Linux
2 2 (8.70%) Windows 7
Processes & Methodologies
1 23 (100.00%) Agile Software Development
2 21 (91.30%) OO
2 21 (91.30%) Scrum
3 19 (82.61%) Line Management
3 19 (82.61%) Mentoring
4 4 (17.39%) Software Engineering
5 2 (8.70%) Automated Testing
5 2 (8.70%) Configuration Management
5 2 (8.70%) Continuous Integration
5 2 (8.70%) Exploratory Testing
5 2 (8.70%) Multithreading
5 2 (8.70%) SOA
5 2 (8.70%) Software Testing
5 2 (8.70%) Test Strategy
Programming Languages
1 23 (100.00%) C++
2 21 (91.30%) C#
3 2 (8.70%) Shell Script
Qualifications
1 2 (8.70%) Degree
1 2 (8.70%) ISTQB
1 2 (8.70%) ISTQB Foundation Certification