The table below looks at the statistics for TDD skills in IT jobs advertised for the Croydon region. Included is a guide to the salaries offered in IT jobs that have cited TDD over the 3 months to 26 May 2016 with a comparison to the same period over the previous 2 years.

3 months to
26 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 40 35 42
Rank change year-on-year
-5 +7
Permanent jobs citing TDD 3 3 7
As % of all permanent IT jobs located in Croydon 1.21% 1.55% 2.69%
As % of the Processes & Methodologies category 1.43% 2.16% 2.92%
Number of salaries quoted 2 3 7
Median salary £45,500 £46,000 £67,500
Median salary % change year-on-year
-1.08% -31.85%
90% offered a salary of more than £41,900 £37,200 £35,600
10% offered a salary of more than £49,100 £69,200 £70,000
UK excluding London median salary £45,000 £42,500 £40,500
% change year-on-year
+5.88% +4.93%
TDD
London

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

Processes & Methodologies Category
Croydon
Permanent IT job ads with a match in the
Processes & Methodologies category
210 139 240
As % of all permanent IT jobs located in Croydon 84.68% 72.02% 92.31%
Number of salaries quoted 185 125 195
Median salary £50,000 £42,660 £47,500
Median salary % change year-on-year
+17.20% -10.18%
90% offered a salary of more than £36,000 £25,500 £29,000
10% offered a salary of more than £62,500 £59,000 £67,500
UK excluding London median salary £45,000 £44,000 £42,500
% change year-on-year
+2.27% +3.52%

TDD
Jobs Demand Trend in Croydon

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

TDD Jobs Demand Trend in Croydon

TDD
Salary Trend in Croydon

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

TDD Salary Trend in Croydon

TDD
Top 30 Related IT Skills in Croydon

For the 6 months to 26 May 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 Croydon region with a requirement for TDD.

1 10 (90.91%) Agile Software Development
2 9 (81.82%) Web Services
2 9 (81.82%) MVC
3 8 (72.73%) C#
3 8 (72.73%) .NET
3 8 (72.73%) SQL Server
4 7 (63.64%) XML
5 6 (54.55%) Microsoft
5 6 (54.55%) OO
5 6 (54.55%) SQL
5 6 (54.55%) Scrum
5 6 (54.55%) Software Architecture
6 5 (45.45%) Parallel Computing
6 5 (45.45%) MVVM
6 5 (45.45%) SOLID
6 5 (45.45%) Software Engineering
6 5 (45.45%) QA
6 5 (45.45%) WCF
6 5 (45.45%) WPF
6 5 (45.45%) Finance
7 4 (36.36%) HTML
7 4 (36.36%) JavaScript
7 4 (36.36%) CSS
8 3 (27.27%) ASP.NET
8 3 (27.27%) Java
8 3 (27.27%) jQuery
8 3 (27.27%) ASP.NET MVC
9 2 (18.18%) Unit Testing
9 2 (18.18%) Continuous Integration
9 2 (18.18%) Demandware

TDD
Top Related IT Skills in Croydon 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 (18.18%) Mule
1 2 (18.18%) Mule ESB
2 1 (9.09%) Alfresco
2 1 (9.09%) Apache
2 1 (9.09%) JBoss
2 1 (9.09%) Liferay
2 1 (9.09%) Node.js
2 1 (9.09%) Tomcat
Cloud Services
1 2 (18.18%) iPaaS
2 1 (9.09%) Microsoft Azure
Communications & Networking
1 1 (9.09%) HTTP
Database & Business Intelligence
1 8 (72.73%) SQL Server
2 1 (9.09%) Azure SQL Database
2 1 (9.09%) CouchDB
2 1 (9.09%) MongoDB
2 1 (9.09%) MySQL
2 1 (9.09%) Neo4j
2 1 (9.09%) NoSQL
2 1 (9.09%) PostgreSQL
2 1 (9.09%) QlikView
2 1 (9.09%) RDBMS
2 1 (9.09%) Relational Database
Development Applications
1 1 (9.09%) DbUnit
1 1 (9.09%) Git (software)
1 1 (9.09%) Jasmine
1 1 (9.09%) jMock
1 1 (9.09%) JUnit
1 1 (9.09%) Mockito
1 1 (9.09%) MSBuild
1 1 (9.09%) NUnit
1 1 (9.09%) Visual Studio
General
1 5 (45.45%) Finance
2 2 (18.18%) Back Office
2 2 (18.18%) Law
Job Titles
1 11 (100.00%) Developer
2 8 (72.73%) C# Developer
3 5 (45.45%) C# Software Developer
3 5 (45.45%) C# Software Engineer
3 5 (45.45%) C# WCF Developer
3 5 (45.45%) C# WPF Developer
3 5 (45.45%) Developer/Software Engineer
3 5 (45.45%) Software Engineer
3 5 (45.45%) WCF Developer
3 5 (45.45%) WPF Developer
4 3 (27.27%) .NET Developer
4 3 (27.27%) C# .NET Developer
4 3 (27.27%) Java Developer
4 3 (27.27%) Senior Developer
5 2 (18.18%) ASP.NET MVC Developer
5 2 (18.18%) Integration Developer
5 2 (18.18%) Senior Java Developer
5 2 (18.18%) SQL Developer
6 1 (9.09%) Senior JavaScript Developer
6 1 (9.09%) T-SQL Developer
Libraries, Frameworks & Software Standards
1 9 (81.82%) Web Services
2 8 (72.73%) .NET
3 7 (63.64%) XML
4 5 (45.45%) WCF
4 5 (45.45%) WPF
5 4 (36.36%) CSS
5 4 (36.36%) HTML
6 3 (27.27%) ASP.NET
6 3 (27.27%) ASP.NET MVC
6 3 (27.27%) jQuery
7 2 (18.18%) AngularJS
7 2 (18.18%) HTML5
7 2 (18.18%) Twitter Bootstrap
8 1 (9.09%) Apache Camel
8 1 (9.09%) ASP.NET MVC 3
8 1 (9.09%) ASP.NET Web API
8 1 (9.09%) Backbone.js
8 1 (9.09%) Entity Framework
8 1 (9.09%) KnockoutJS
8 1 (9.09%) PowerMock
Processes & Methodologies
1 10 (90.91%) Agile Software Development
2 9 (81.82%) MVC
3 6 (54.55%) OO
3 6 (54.55%) Scrum
3 6 (54.55%) Software Architecture
4 5 (45.45%) MVVM
4 5 (45.45%) Parallel Computing
4 5 (45.45%) Software Engineering
4 5 (45.45%) SOLID
5 2 (18.18%) Continuous Integration
5 2 (18.18%) CRM
5 2 (18.18%) E-Commerce
5 2 (18.18%) ERP
5 2 (18.18%) Unit Testing
6 1 (9.09%) BDD
6 1 (9.09%) Case Management
6 1 (9.09%) OOA/OOD
6 1 (9.09%) Open Source
6 1 (9.09%) OWASP
6 1 (9.09%) Performance Engineering
Programming Languages
1 8 (72.73%) C#
2 6 (54.55%) SQL
3 4 (36.36%) JavaScript
4 3 (27.27%) Java
5 1 (9.09%) Groovy
5 1 (9.09%) PowerShell
5 1 (9.09%) Python
5 1 (9.09%) Ruby
5 1 (9.09%) Scala
5 1 (9.09%) T-SQL
5 1 (9.09%) TypeScript
Qualifications
1 1 (9.09%) SC Cleared
1 1 (9.09%) Security Cleared
Quality Assurance & Compliance
1 5 (45.45%) QA
Systems Management
1 2 (18.18%) CloudHub
Vendors
1 6 (54.55%) Microsoft
2 2 (18.18%) Demandware
3 1 (9.09%) Oracle