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

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
3 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank - 8 -
Contract jobs citing TDD 0 3 0
As % of all contract IT jobs located in Twickenham - 10.71% -
As % of the Processes & Methodologies category - 14.29% -
Number of daily rates quoted 0 3 0
Median daily rate - £513 -
UK excluding London median daily rate £400 £380 £375
% change year-on-year
+5.26% +1.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.75 £42.50 £43.75
% change year-on-year
+0.58% -2.85%
TDD
London

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

Processes & Methodologies Category
Twickenham
Contract IT job ads with a match in the
Processes & Methodologies category
9 21 1
As % of all contract IT jobs located in Twickenham 39.13% 75.00% 25.00%
Number of daily rates quoted 8 13 0
Median daily rate £170 £388 -
Median daily rate % change year-on-year
-56.12% -
UK excluding London median daily rate £400 £388 £375
% change year-on-year
+3.22% +3.33%
Number of hourly rates quoted 0 3 0
Median hourly rate - £21.67 -
UK excluding London median hourly rate £36.00 £31.00 £31.50
% change year-on-year
+16.12% -1.58%

TDD
Jobs Demand Trend in Twickenham

The demand trend of contract jobs across the Twickenham region citing TDD as a proportion of all IT contracts with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Twickenham

TDD
Daily Rate Trend in Twickenham

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing TDD across the Twickenham region.

TDD Daily Rate Trend in Twickenham

TDD
Top 22 Related IT Skills in Twickenham

For the 6 months to 3 May 2016, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Twickenham region with a requirement for TDD.

1 3 (100.00%) C#
1 3 (100.00%) .NET
1 3 (100.00%) MVC
1 3 (100.00%) Agile Software Development
1 3 (100.00%) Mentoring
1 3 (100.00%) SOLID
2 2 (66.67%) MongoDB
2 2 (66.67%) Web Application Development
2 2 (66.67%) Confluence
2 2 (66.67%) Elasticsearch
2 2 (66.67%) JIRA
2 2 (66.67%) Domain-Driven Design
2 2 (66.67%) Apache Solr
2 2 (66.67%) Scrum
2 2 (66.67%) OOD
2 2 (66.67%) Internet
3 1 (33.33%) ASP.NET
3 1 (33.33%) ASP.NET MVC
3 1 (33.33%) Refactoring
3 1 (33.33%) Continuous Integration
3 1 (33.33%) BDD
3 1 (33.33%) ASP.NET MVC 4

TDD
Top Related IT Skills in Twickenham 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 (66.67%) Apache Solr
1 2 (66.67%) Confluence
1 2 (66.67%) Elasticsearch
Communications & Networking
1 2 (66.67%) Internet
Database & Business Intelligence
1 2 (66.67%) MongoDB
Development Applications
1 2 (66.67%) JIRA
Job Titles
1 3 (100.00%) .NET Developer
1 3 (100.00%) ASP.NET MVC Developer
1 3 (100.00%) Developer
1 3 (100.00%) Senior .NET Developer
1 3 (100.00%) Senior Developer
2 2 (66.67%) C# .NET Developer
2 2 (66.67%) C# Developer
2 2 (66.67%) Elasticsearch Developer
2 2 (66.67%) MongoDB Developer
2 2 (66.67%) Senior C# .NET Developer
2 2 (66.67%) Senior C# Developer
3 1 (33.33%) ASP.NET Developer
3 1 (33.33%) Senior ASP.NET Developer
3 1 (33.33%) Senior ASP.NET MVC Developer
Libraries, Frameworks & Software Standards
1 3 (100.00%) .NET
2 1 (33.33%) ASP.NET
2 1 (33.33%) ASP.NET MVC
2 1 (33.33%) ASP.NET MVC 4
Processes & Methodologies
1 3 (100.00%) Agile Software Development
1 3 (100.00%) Mentoring
1 3 (100.00%) MVC
1 3 (100.00%) SOLID
2 2 (66.67%) Domain-Driven Design
2 2 (66.67%) OOD
2 2 (66.67%) Scrum
2 2 (66.67%) Web Application Development
3 1 (33.33%) BDD
3 1 (33.33%) Continuous Integration
3 1 (33.33%) Refactoring
Programming Languages
1 3 (100.00%) C#