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 26 June 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
26 Jun 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 23 22 19
Rank change year-on-year
-1 -3
Contract jobs citing TDD 8 5 10
As % of all contract IT jobs located in Middlesex 4.30% 2.58% 4.42%
As % of the Processes & Methodologies category 4.79% 3.50% 5.21%
Number of daily rates quoted 1 0 3
Median daily rate £360 - £270
UK excluding London median daily rate £413 £375 £375
% change year-on-year
+10.00% -
Number of hourly rates quoted 1 0 0
Median hourly rate £45.00 - -
UK excluding London median hourly rate £40.00 £43.75 £59.50
% change year-on-year
-8.57% -26.47%
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
167 143 192
As % of all contract IT jobs located in Middlesex 89.78% 73.71% 84.96%
Number of daily rates quoted 113 75 118
Median daily rate £398 £387 £410
Median daily rate % change year-on-year
+2.84% -5.60%
90% offered a daily rate of more than £300 £275 £270
10% offered a daily rate of more than £528 £484 £530
UK excluding London median daily rate £400 £380 £375
% change year-on-year
+5.26% +1.33%
Number of hourly rates quoted 3 3 14
Median hourly rate £45.00 £45.00 £42.50
Median hourly rate % change year-on-year
- +5.88%
UK excluding London median hourly rate £28.50 £30.00 £30.00
% change year-on-year
-5.00% -

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 26 June 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 (83.33%) JavaScript
2 14 (77.78%) AngularJS
3 11 (61.11%) Agile Software Development
4 9 (50.00%) .NET
5 8 (44.44%) C#
6 7 (38.89%) SQL Server
6 7 (38.89%) Visual Studio
6 7 (38.89%) OOP
6 7 (38.89%) Microsoft
6 7 (38.89%) .NET Framework
6 7 (38.89%) LINQ
6 7 (38.89%) jQuery
6 7 (38.89%) SOLID
7 6 (33.33%) Team Foundation Server
7 6 (33.33%) Entity Framework
7 6 (33.33%) Node.js
8 5 (27.78%) Telecoms
8 5 (27.78%) OO
9 3 (16.67%) CMS
9 3 (16.67%) EPiServer CMS
9 3 (16.67%) EPiServer
10 2 (11.11%) Git (software)
10 2 (11.11%) HTML5
10 2 (11.11%) Scrum
10 2 (11.11%) Software Engineering
10 2 (11.11%) STB
10 2 (11.11%) DTV
10 2 (11.11%) DVB
10 2 (11.11%) C
10 2 (11.11%) HTML

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 3 (16.67%) CMS
1 3 (16.67%) EPiServer CMS
Communications & Networking
1 2 (11.11%) DVB
2 1 (5.56%) HTTP
Database & Business Intelligence
1 7 (38.89%) SQL Server
2 1 (5.56%) NoSQL
2 1 (5.56%) Relational Database
Development Applications
1 7 (38.89%) Visual Studio
2 6 (33.33%) Team Foundation Server
3 2 (11.11%) Git (software)
4 1 (5.56%) ClearCase
4 1 (5.56%) Subversion
General
1 5 (27.78%) Telecoms
Job Titles
1 16 (88.89%) Developer
2 6 (33.33%) JavaScript Developer
3 5 (27.78%) .NET Developer
3 5 (27.78%) C# .NET Developer
3 5 (27.78%) C# Developer
4 4 (22.22%) Angular Developer
5 3 (16.67%) EPiServer Developer
5 3 (16.67%) Node.js Developer
6 2 (11.11%) Front End Developer (Client-Side Developer)
6 2 (11.11%) JavaScript Engineer
7 1 (5.56%) ASP.NET Developer
7 1 (5.56%) ASP.NET MVC Developer
7 1 (5.56%) Embedded Engineer
7 1 (5.56%) Embedded Software Engineer
7 1 (5.56%) Integration Engineer
7 1 (5.56%) Senior ASP.NET MVC Developer
7 1 (5.56%) Senior C# .NET Developer
7 1 (5.56%) Senior C# ASP.NET Developer
7 1 (5.56%) SQL Developer
7 1 (5.56%) SQL Server Developer
Libraries, Frameworks & Software Standards
1 14 (77.78%) AngularJS
2 9 (50.00%) .NET
3 7 (38.89%) .NET Framework
3 7 (38.89%) jQuery
3 7 (38.89%) LINQ
4 6 (33.33%) Entity Framework
4 6 (33.33%) Node.js
5 2 (11.11%) HTML
5 2 (11.11%) HTML5
5 2 (11.11%) Web Services
5 2 (11.11%) WPF
6 1 (5.56%) ASP.NET
6 1 (5.56%) ASP.NET MVC 5
6 1 (5.56%) Backbone.js
6 1 (5.56%) CSS
6 1 (5.56%) CSS3
6 1 (5.56%) Ember.js
6 1 (5.56%) REST
6 1 (5.56%) RESTful
6 1 (5.56%) WCF
Miscellaneous
1 2 (11.11%) DTV
1 2 (11.11%) STB
2 1 (5.56%) MPEG
2 1 (5.56%) NHS
Operating Systems
1 1 (5.56%) Windows
Processes & Methodologies
1 11 (61.11%) Agile Software Development
2 7 (38.89%) OOP
2 7 (38.89%) SOLID
3 5 (27.78%) OO
4 2 (11.11%) Front End Development
4 2 (11.11%) Scrum
4 2 (11.11%) Software Engineering
5 1 (5.56%) Business Intelligence
5 1 (5.56%) Configuration Management
5 1 (5.56%) Continuous Integration
5 1 (5.56%) E-Commerce
5 1 (5.56%) Logistics
5 1 (5.56%) Mobile Development
5 1 (5.56%) MVC
5 1 (5.56%) MVVM
5 1 (5.56%) Prototyping
5 1 (5.56%) Responsive Web Design
5 1 (5.56%) SOA
5 1 (5.56%) Software Architecture
5 1 (5.56%) User Stories
Programming Languages
1 15 (83.33%) JavaScript
2 8 (44.44%) C#
3 2 (11.11%) C
4 1 (5.56%) C++
4 1 (5.56%) Embedded C
4 1 (5.56%) SQL
Quality Assurance & Compliance
1 1 (5.56%) QA
Vendors
1 7 (38.89%) Microsoft
2 3 (16.67%) EPiServer