The table below looks at the statistics for TDD skills in IT contracts advertised for the Bolton region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 22 May 2015 with a comparison to the same period in 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.

Location
3 months to
22 May 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 12 2 -
Rank change year-on-year
-10 -
Contract jobs citing TDD 2 6 0
As % of all contract IT jobs located in Bolton 5.88% 46.15% -
As % of the Processes & Methodologies category 7.41% 54.55% -
Number of daily rates quoted 2 1 0
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£350 £375 -
Average daily rate % change year-on-year
-6.66% -
UK excluding London average daily rate £388 £375 £350
% change year-on-year
+3.33% +7.14%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £42.50 £45.00 £39.00
% change year-on-year
-5.55% +15.38%
TDD
Manchester

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

Processes & Methodologies Category
Bolton
Contract IT job ads with a match in the
Processes & Methodologies category
27 11 2
As % of all contract IT jobs located in Bolton 79.41% 84.62% 40.00%
Number of daily rates quoted 23 3 0
Average daily rate £325 £375 -
Average daily rate % change year-on-year
-13.33% -
UK excluding London average daily rate £388 £375 £363
% change year-on-year
+3.33% +3.44%
Number of hourly rates quoted 0 2 1
Average hourly rate - £12.25 £17.42
Average hourly rate % change year-on-year
- -29.67%
UK excluding London average hourly rate £30.00 £30.00 £32.00
% change year-on-year
- -6.25%

TDD
Jobs Demand Trend in Bolton

This chart provides a 3-month moving total of IT contractor jobs citing TDD across the Bolton region as a proportion of the total demand within the Processes & Methodologies category.

TDD Jobs Demand Trend in Bolton

TDD
Daily Rate Trend in Bolton

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

TDD Daily Rate Trend in Bolton

TDD
Top 30 Related IT Skills in Bolton

For the 6 months to 22 May 2015, IT contractor jobs across the Bolton region citing TDD also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD.

1 4 (100.00%) C#
2 3 (75.00%) .NET
3 2 (50.00%) Moq
3 2 (50.00%) BDD
3 2 (50.00%) Agile Software Development
3 2 (50.00%) NUnit
3 2 (50.00%) Social Network
3 2 (50.00%) WCF
3 2 (50.00%) SQL Server
3 2 (50.00%) ASP.NET
3 2 (50.00%) OO
3 2 (50.00%) Finance
3 2 (50.00%) Ninject
3 2 (50.00%) Facebook
3 2 (50.00%) Twitter
4 1 (25.00%) Web Application Development
4 1 (25.00%) SQL Server 2012
4 1 (25.00%) AngularJS
4 1 (25.00%) Unity DI Container
4 1 (25.00%) Manufacturing
4 1 (25.00%) Scrum
4 1 (25.00%) WinForms
4 1 (25.00%) OOD
4 1 (25.00%) MVC
4 1 (25.00%) CSS
4 1 (25.00%) XML
4 1 (25.00%) Windows
4 1 (25.00%) Visual Studio
4 1 (25.00%) JavaScript
4 1 (25.00%) WPF

TDD
Top Related IT Skills in Bolton by Category

For the 6 months to 22 May 2015, IT contractor jobs across the Bolton region citing TDD also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD. Up to 20 skills are shown per category.

Database & Business Intelligence
1 2 (50.00%) SQL Server
2 1 (25.00%) SQL Server 2012
Development Applications
1 2 (50.00%) Moq
1 2 (50.00%) NUnit
2 1 (25.00%) Visual Studio
2 1 (25.00%) MSTest
2 1 (25.00%) Rhino Mocks
General
1 2 (50.00%) Finance
2 1 (25.00%) Manufacturing
2 1 (25.00%) Retail
Job Titles
1 4 (100.00%) Developer
2 3 (75.00%) .NET Developer
3 1 (25.00%) C# Developer
Libraries, Frameworks & Software Standards
1 3 (75.00%) .NET
2 2 (50.00%) WCF
2 2 (50.00%) ASP.NET
2 2 (50.00%) Ninject
3 1 (25.00%) AngularJS
3 1 (25.00%) Unity DI Container
3 1 (25.00%) WinForms
3 1 (25.00%) CSS
3 1 (25.00%) XML
3 1 (25.00%) WPF
3 1 (25.00%) jQuery
3 1 (25.00%) Spring.NET
3 1 (25.00%) ASP.NET MVC
3 1 (25.00%) Castle Windsor
Miscellaneous
1 2 (50.00%) Social Network
2 1 (25.00%) Inversion of Control
2 1 (25.00%) Robotics
Operating Systems
1 1 (25.00%) Windows
Processes & Methodologies
1 2 (50.00%) BDD
1 2 (50.00%) Agile Software Development
1 2 (50.00%) OO
2 1 (25.00%) Web Application Development
2 1 (25.00%) Scrum
2 1 (25.00%) OOD
2 1 (25.00%) MVC
2 1 (25.00%) Continuous Integration
2 1 (25.00%) Kanban
2 1 (25.00%) Dependency Injection
2 1 (25.00%) MVVM
Programming Languages
1 4 (100.00%) C#
2 1 (25.00%) JavaScript
Vendors
1 2 (50.00%) Facebook
1 2 (50.00%) Twitter