The table below looks at the statistics for TDD skills in IT contracts advertised for the Middlesex region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 24 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
24 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 19 22 25
Rank change year-on-year
+3 +3
Contract jobs citing TDD 7 1 4
As % of all contract IT jobs located in Middlesex 4.52% 0.62% 1.77%
As % of the Processes & Methodologies category 5.19% 0.87% 2.04%
Number of daily rates quoted 1 0 1
Median daily rate £388 - £235
UK excluding London median daily rate £413 £388 £375
% change year-on-year
+6.45% +3.33%
Number of hourly rates quoted 1 0 0
Median hourly rate £45.00 - -
UK excluding London median hourly rate £42.50 £42.50 £45.00
% change year-on-year
- -5.55%
TDD
South East

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

Processes & Methodologies Category
Middlesex
Contract IT job ads with a match in the
Processes & Methodologies category
135 115 196
As % of all contract IT jobs located in Middlesex 87.10% 70.99% 86.73%
Number of daily rates quoted 104 66 118
Median daily rate £400 £387 £425
Median daily rate % change year-on-year
+3.35% -8.94%
90% offered a daily rate of more than £275 £288 £275
10% offered a daily rate of more than £600 £484 £554
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 3 3 17
Median hourly rate £45.00 £45.00 £42.50
Median hourly rate % change year-on-year
- +5.88%
UK excluding London median hourly rate £35.00 £31.00 £30.00
% change year-on-year
+12.90% +3.33%

TDD
Jobs Demand Trend in Middlesex

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

TDD Jobs Demand Trend in Middlesex

TDD
Daily Rate Trend in Middlesex

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

TDD Daily Rate Trend in Middlesex

TDD
Top 30 Related IT Skills in Middlesex

For the 6 months to 24 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 Middlesex region with a requirement for TDD.

1 15 (88.24%) JavaScript
2 13 (76.47%) AngularJS
3 12 (70.59%) Agile Software Development
4 7 (41.18%) .NET
5 6 (35.29%) C#
5 6 (35.29%) Node.js
6 5 (29.41%) Entity Framework
6 5 (29.41%) jQuery
6 5 (29.41%) Team Foundation Server
6 5 (29.41%) .NET Framework
6 5 (29.41%) LINQ
6 5 (29.41%) SQL Server
6 5 (29.41%) Visual Studio
6 5 (29.41%) OOP
6 5 (29.41%) OO
6 5 (29.41%) Telecoms
6 5 (29.41%) Microsoft
6 5 (29.41%) SOLID
7 3 (17.65%) Scrum
7 3 (17.65%) Git (software)
7 3 (17.65%) HTML5
7 3 (17.65%) HTML
8 2 (11.76%) CSS3
8 2 (11.76%) Front End Development
8 2 (11.76%) C
8 2 (11.76%) CSS
8 2 (11.76%) CMS
8 2 (11.76%) DTV
8 2 (11.76%) DVB
8 2 (11.76%) EPiServer CMS

TDD
Top Related IT Skills in Middlesex 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 6 (35.29%) Node.js
2 2 (11.76%) CMS
2 2 (11.76%) EPiServer CMS
Communications & Networking
1 2 (11.76%) DVB
2 1 (5.88%) HTTP
Database & Business Intelligence
1 5 (29.41%) SQL Server
2 2 (11.76%) NoSQL
3 1 (5.88%) Relational Database
Development Applications
1 5 (29.41%) Team Foundation Server
1 5 (29.41%) Visual Studio
2 3 (17.65%) Git (software)
3 1 (5.88%) ClearCase
3 1 (5.88%) Subversion
General
1 5 (29.41%) Telecoms
Job Titles
1 15 (88.24%) Developer
2 6 (35.29%) JavaScript Developer
3 4 (23.53%) .NET Developer
3 4 (23.53%) Angular Developer
3 4 (23.53%) C# .NET Developer
3 4 (23.53%) C# Developer
4 3 (17.65%) Node.js Developer
5 2 (11.76%) EPiServer Developer
5 2 (11.76%) Front End Developer (Client-Side Developer)
5 2 (11.76%) JavaScript Engineer
6 1 (5.88%) ASP.NET Developer
6 1 (5.88%) C# ASP.NET Developer
6 1 (5.88%) Embedded Software Engineer
6 1 (5.88%) Integration Engineer
6 1 (5.88%) Senior .NET Developer
6 1 (5.88%) Senior ASP.NET Developer
6 1 (5.88%) Senior C# .NET Developer
6 1 (5.88%) Senior C# Developer
6 1 (5.88%) Software Integration Engineer
6 1 (5.88%) Web Developer
Libraries, Frameworks & Software Standards
1 13 (76.47%) AngularJS
2 7 (41.18%) .NET
3 5 (29.41%) .NET Framework
3 5 (29.41%) Entity Framework
3 5 (29.41%) jQuery
3 5 (29.41%) LINQ
4 3 (17.65%) HTML
4 3 (17.65%) HTML5
5 2 (11.76%) CSS
5 2 (11.76%) CSS3
5 2 (11.76%) WPF
6 1 (5.88%) ASP.NET MVC
6 1 (5.88%) ASP.NET MVC 5
6 1 (5.88%) Backbone.js
6 1 (5.88%) Ember.js
6 1 (5.88%) REST
6 1 (5.88%) RESTful
6 1 (5.88%) Sass
6 1 (5.88%) WCF
6 1 (5.88%) Web Services
Miscellaneous
1 2 (11.76%) DTV
1 2 (11.76%) STB
2 1 (5.88%) MPEG
2 1 (5.88%) NHS
Operating Systems
1 1 (5.88%) Windows
Processes & Methodologies
1 12 (70.59%) Agile Software Development
2 5 (29.41%) OO
2 5 (29.41%) OOP
2 5 (29.41%) SOLID
3 3 (17.65%) Scrum
4 2 (11.76%) Front End Development
5 1 (5.88%) API Development
5 1 (5.88%) Business Intelligence
5 1 (5.88%) Configuration Management
5 1 (5.88%) Continuous Integration
5 1 (5.88%) E-Commerce
5 1 (5.88%) Logistics
5 1 (5.88%) Mobile Development
5 1 (5.88%) MVC
5 1 (5.88%) MVVM
5 1 (5.88%) Responsive Web Design
5 1 (5.88%) SOA
5 1 (5.88%) Software Engineering
5 1 (5.88%) User Stories
5 1 (5.88%) Web Development
Programming Languages
1 15 (88.24%) JavaScript
2 6 (35.29%) C#
3 2 (11.76%) C
4 1 (5.88%) C++
4 1 (5.88%) Embedded C
4 1 (5.88%) SQL
Vendors
1 5 (29.41%) Microsoft
2 2 (11.76%) EPiServer