The table below looks at the statistics for TDD skills in IT jobs advertised for the Gatwick region. Included is a guide to the salaries offered in IT jobs that have cited TDD over the 3 months to 1 July 2016 with a comparison to the same period over the previous 2 years.

3 months to
1 Jul 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 26 28 15
Rank change year-on-year
+2 -13
Permanent jobs citing TDD 8 1 9
As % of all permanent IT jobs located in Gatwick 4.60% 0.77% 9.00%
As % of the Processes & Methodologies category 5.41% 0.93% 11.54%
Number of salaries quoted 8 1 9
Median salary £45,000 £55,000 £55,000
Median salary % change year-on-year
-18.18% -
UK excluding London median salary £45,000 £42,500 £41,500
% change year-on-year
+5.88% +2.40%
TDD
West Sussex

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in permanent jobs advertised in the Gatwick region.

Processes & Methodologies Category
Gatwick
Permanent IT job ads with a match in the
Processes & Methodologies category
148 108 78
As % of all permanent IT jobs located in Gatwick 85.06% 83.08% 78.00%
Number of salaries quoted 142 84 72
Median salary £50,000 £42,500 £50,000
Median salary % change year-on-year
+17.64% -15.00%
90% offered a salary of more than £35,000 £32,000 £33,500
10% offered a salary of more than £60,000 £60,000 £52,500
UK excluding London median salary £45,000 £44,000 £42,500
% change year-on-year
+2.27% +3.52%

TDD
Jobs Demand Trend in Gatwick

The demand trend of job ads across the Gatwick region citing TDD as a proportion of all IT jobs with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Gatwick

TDD
Salary Trend in Gatwick

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

TDD Salary Trend in Gatwick

TDD
Top 30 Related IT Skills in Gatwick

For the 6 months to 1 July 2016, 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 10 (83.33%) C#
1 10 (83.33%) .NET
1 10 (83.33%) Agile Software Development
2 9 (75.00%) SQL
2 9 (75.00%) Web Services
3 8 (66.67%) Relational Database
3 8 (66.67%) .NET Framework
3 8 (66.67%) REST
3 8 (66.67%) C++
3 8 (66.67%) SOAP
3 8 (66.67%) Software Engineering
4 7 (58.33%) Microsoft
4 7 (58.33%) OO
4 7 (58.33%) T-SQL
4 7 (58.33%) Windows
4 7 (58.33%) Windows XP
4 7 (58.33%) WCF
4 7 (58.33%) WPF
4 7 (58.33%) C++/CLI
5 4 (33.33%) JavaScript
5 4 (33.33%) MVC
6 3 (25.00%) HTML
6 3 (25.00%) ASP.NET
6 3 (25.00%) SQL Server
6 3 (25.00%) CSS
6 3 (25.00%) Unit Testing
6 3 (25.00%) ASP.NET MVC
7 2 (16.67%) HTML5
7 2 (16.67%) CSS3
7 2 (16.67%) jQuery

TDD
Top Related 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:

Application Platforms
1 2 (16.67%) CMS
2 1 (8.33%) Umbraco
2 1 (8.33%) WebLogic
Cloud Services
1 1 (8.33%) Amazon AWS
Database & Business Intelligence
1 8 (66.67%) Relational Database
2 3 (25.00%) SQL Server
3 1 (8.33%) Amazon DynamoDB
3 1 (8.33%) SQL Server 2008
3 1 (8.33%) SQL Server 2012
Development Applications
1 1 (8.33%) Ant
1 1 (8.33%) EasyMock
1 1 (8.33%) Eclipse
1 1 (8.33%) JUnit
1 1 (8.33%) Maven
1 1 (8.33%) Subversion
1 1 (8.33%) TeamCity
Job Titles
1 10 (83.33%) .NET Developer
1 10 (83.33%) Developer
2 9 (75.00%) C# .NET Developer
2 9 (75.00%) C# Developer
3 7 (58.33%) .NET Software Developer
3 7 (58.33%) .NET Software Engineer
3 7 (58.33%) C# Software Developer
3 7 (58.33%) C# Software Engineer
3 7 (58.33%) Developer/Software Engineer
3 7 (58.33%) Software Developer
3 7 (58.33%) Software Engineer
4 2 (16.67%) ASP.NET Developer
4 2 (16.67%) ASP.NET MVC Developer
4 2 (16.67%) C# ASP.NET Developer
5 1 (8.33%) Embedded C/C++ Engineer
5 1 (8.33%) Embedded C++ Engineer
5 1 (8.33%) Embedded Engineer
5 1 (8.33%) Lead .NET Developer
5 1 (8.33%) SQL Developer
5 1 (8.33%) Test Leader
Libraries, Frameworks & Software Standards
1 10 (83.33%) .NET
2 9 (75.00%) Web Services
3 8 (66.67%) .NET Framework
3 8 (66.67%) REST
3 8 (66.67%) SOAP
4 7 (58.33%) WCF
4 7 (58.33%) WPF
5 3 (25.00%) ASP.NET
5 3 (25.00%) ASP.NET MVC
5 3 (25.00%) CSS
5 3 (25.00%) HTML
6 2 (16.67%) CSS3
6 2 (16.67%) HTML5
6 2 (16.67%) jQuery
7 1 (8.33%) EJB
7 1 (8.33%) JDBC
7 1 (8.33%) JSP
7 1 (8.33%) RESTful
7 1 (8.33%) Servlets
7 1 (8.33%) Spring MVC
Miscellaneous
1 1 (8.33%) Fintech
1 1 (8.33%) Smartcard
1 1 (8.33%) User Experience
Operating Systems
1 7 (58.33%) Windows
1 7 (58.33%) Windows XP
2 1 (8.33%) Linux
2 1 (8.33%) MVS
2 1 (8.33%) Solaris
2 1 (8.33%) Unix
Processes & Methodologies
1 10 (83.33%) Agile Software Development
2 8 (66.67%) Software Engineering
3 7 (58.33%) OO
4 4 (33.33%) MVC
5 3 (25.00%) Unit Testing
6 1 (8.33%) Automated Testing
6 1 (8.33%) B2C
6 1 (8.33%) Continuous Improvement
6 1 (8.33%) E-Commerce
6 1 (8.33%) Enterprise Architecture
6 1 (8.33%) Integration Testing
6 1 (8.33%) Mentoring
6 1 (8.33%) PRINCE2
6 1 (8.33%) Project Management
6 1 (8.33%) Scrum
6 1 (8.33%) SDLC
6 1 (8.33%) Test Strategy
6 1 (8.33%) UML
6 1 (8.33%) Web Development
Programming Languages
1 10 (83.33%) C#
2 9 (75.00%) SQL
3 8 (66.67%) C++
4 7 (58.33%) C++/CLI
4 7 (58.33%) T-SQL
5 4 (33.33%) JavaScript
6 1 (8.33%) C
6 1 (8.33%) Embedded C
6 1 (8.33%) Embedded C++
6 1 (8.33%) Java
Quality Assurance & Compliance
1 1 (8.33%) SLA
Vendors
1 7 (58.33%) Microsoft
2 1 (8.33%) BroadVision
2 1 (8.33%) FatWire
2 1 (8.33%) Oracle