The table below looks at the statistics for TDD skills in IT contracts advertised for the Northern Ireland 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 17 20 21
Rank change year-on-year
+3 +1
Contract jobs citing TDD 1 3 1
As % of all contract IT jobs located in Northern Ireland 1.11% 3.06% 0.85%
As % of the Processes & Methodologies category 1.39% 4.48% 1.06%
Number of daily rates quoted 0 2 1
Median daily rate - £375 £388
Median daily rate % change year-on-year
- -3.22%
UK excluding London median daily rate £413 £388 £375
% change year-on-year
+6.45% +3.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £42.50 £45.00
% change year-on-year
- -5.55%
TDD
UK

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

Processes & Methodologies Category
Northern Ireland
Contract IT job ads with a match in the
Processes & Methodologies category
72 67 94
As % of all contract IT jobs located in Northern Ireland 80.00% 68.37% 79.66%
Number of daily rates quoted 33 33 34
Median daily rate £350 £325 £350
Median daily rate % change year-on-year
+7.69% -7.14%
90% offered a daily rate of more than £109 £150 £255
10% offered a daily rate of more than £475 £450 £400
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 3 4 4
Median hourly rate £14.00 £17.50 £14.00
Median hourly rate % change year-on-year
-20.00% +25.00%
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 Northern Ireland

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

TDD Jobs Demand Trend in Northern Ireland

TDD
Daily Rate Trend in Northern Ireland

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

TDD Daily Rate Trend in Northern Ireland

TDD
Top 17 Related IT Skills in Northern Ireland

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 Northern Ireland region with a requirement for TDD.

1 1 (100.00%) C#
1 1 (100.00%) HTML
1 1 (100.00%) JavaScript
1 1 (100.00%) .NET
1 1 (100.00%) ASP.NET
1 1 (100.00%) CSS
1 1 (100.00%) MVC
1 1 (100.00%) Agile Software Development
1 1 (100.00%) .NET Framework
1 1 (100.00%) Unit Testing
1 1 (100.00%) Continuous Integration
1 1 (100.00%) System Testing
1 1 (100.00%) ASP.NET MVC
1 1 (100.00%) REST
1 1 (100.00%) KnockoutJS
1 1 (100.00%) AngularJS
1 1 (100.00%) User Experience

TDD
Top Related IT Skills in Northern Ireland 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:

Job Titles
1 1 (100.00%) .NET Developer
1 1 (100.00%) ASP.NET Developer
1 1 (100.00%) C# .NET Developer
1 1 (100.00%) C# ASP.NET Developer
1 1 (100.00%) C# Developer
1 1 (100.00%) Developer
1 1 (100.00%) Front End Developer (Client-Side Developer)
1 1 (100.00%) Senior .NET Developer
1 1 (100.00%) Senior ASP.NET Developer
1 1 (100.00%) Senior C# .NET Developer
1 1 (100.00%) Senior C# ASP.NET Developer
1 1 (100.00%) Senior C# Developer
1 1 (100.00%) Senior Developer
1 1 (100.00%) Senior Front-End Developer
Libraries, Frameworks & Software Standards
1 1 (100.00%) .NET
1 1 (100.00%) .NET Framework
1 1 (100.00%) AngularJS
1 1 (100.00%) ASP.NET
1 1 (100.00%) ASP.NET MVC
1 1 (100.00%) CSS
1 1 (100.00%) HTML
1 1 (100.00%) KnockoutJS
1 1 (100.00%) REST
Miscellaneous
1 1 (100.00%) User Experience
Processes & Methodologies
1 1 (100.00%) Agile Software Development
1 1 (100.00%) Continuous Integration
1 1 (100.00%) MVC
1 1 (100.00%) System Testing
1 1 (100.00%) Unit Testing
Programming Languages
1 1 (100.00%) C#
1 1 (100.00%) JavaScript