The table below looks at the statistics for TDD skills in IT contracts advertised for the Staffordshire region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 6 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
6 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 15 24 22
Rank change year-on-year
+9 -2
Contract jobs citing TDD 6 13 2
As % of all contract IT jobs located in Staffordshire 4.03% 5.73% 1.53%
As % of the Processes & Methodologies category 5.22% 7.30% 2.25%
Number of daily rates quoted 1 10 2
Median daily rate £350 £310 £353
Median daily rate % change year-on-year
+12.99% -12.12%
UK excluding London median daily rate £411 £388 £375
% change year-on-year
+6.12% +3.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £43.00 £42.50 £45.00
% change year-on-year
+1.17% -5.55%
TDD
West Midlands

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

Processes & Methodologies Category
Staffordshire
Contract IT job ads with a match in the
Processes & Methodologies category
115 178 89
As % of all contract IT jobs located in Staffordshire 77.18% 78.41% 67.94%
Number of daily rates quoted 72 119 56
Median daily rate £350 £363 £325
Median daily rate % change year-on-year
-3.44% +11.53%
90% offered a daily rate of more than £200 £285 £250
10% offered a daily rate of more than £548 £450 £400
UK excluding London median daily rate £400 £388 £375
% change year-on-year
+3.22% +3.33%
Number of hourly rates quoted 5 11 9
Median hourly rate £10.96 £16.00 £16.26
Median hourly rate % change year-on-year
-31.53% -1.59%
90% offered a hourly rate of more than £9.99 £10.00 £12.15
10% offered a hourly rate of more than £13.60 £25.00 £17.30
UK excluding London median hourly rate £36.00 £30.00 £30.50
% change year-on-year
+20.00% -1.63%

TDD
Jobs Demand Trend in Staffordshire

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

TDD Jobs Demand Trend in Staffordshire

TDD
Daily Rate Trend in Staffordshire

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

TDD Daily Rate Trend in Staffordshire

TDD
Contract Job Locations in Staffordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Staffordshire region over the 3 months to 6 May 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Lichfield - 2 - -
TDD
West Midlands

TDD
Top 30 Related IT Skills in Staffordshire

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

1 7 (100.00%) C#
2 6 (85.71%) .NET
2 6 (85.71%) SQL Server
2 6 (85.71%) Agile Software Development
3 5 (71.43%) Finance
3 5 (71.43%) Scrum
3 5 (71.43%) Windows
3 5 (71.43%) Client/Server
3 5 (71.43%) SOA
3 5 (71.43%) Business Intelligence
3 5 (71.43%) Microsoft
3 5 (71.43%) Configuration Management
3 5 (71.43%) Release Management
3 5 (71.43%) Continuous Integration
3 5 (71.43%) PowerShell
3 5 (71.43%) TeamCity
3 5 (71.43%) Waterfall
3 5 (71.43%) Team Foundation Server
3 5 (71.43%) Octopus Deploy
3 5 (71.43%) SDLC
3 5 (71.43%) Windows Server
3 5 (71.43%) Java
4 2 (28.57%) DevOps
5 1 (14.29%) MVC
5 1 (14.29%) NUnit
5 1 (14.29%) Subversion
5 1 (14.29%) CSS
5 1 (14.29%) HTML
5 1 (14.29%) WPF
5 1 (14.29%) jQuery

TDD
Top Related IT Skills in Staffordshire 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:

Database & Business Intelligence
1 6 (85.71%) SQL Server
Development Applications
1 5 (71.43%) Octopus Deploy
1 5 (71.43%) Team Foundation Server
1 5 (71.43%) TeamCity
2 1 (14.29%) Git (software)
2 1 (14.29%) NUnit
2 1 (14.29%) SpecFlow
2 1 (14.29%) Subversion
General
1 5 (71.43%) Finance
Job Titles
1 2 (28.57%) Configuration Manager
1 2 (28.57%) Developer
1 2 (28.57%) Environment Manager
2 1 (14.29%) C# Developer
2 1 (14.29%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 6 (85.71%) .NET
2 1 (14.29%) CSS
2 1 (14.29%) HTML
2 1 (14.29%) HTML5
2 1 (14.29%) jQuery
2 1 (14.29%) Sass
2 1 (14.29%) WPF
Miscellaneous
1 5 (71.43%) Client/Server
Operating Systems
1 5 (71.43%) Windows
1 5 (71.43%) Windows Server
Processes & Methodologies
1 6 (85.71%) Agile Software Development
2 5 (71.43%) Business Intelligence
2 5 (71.43%) Configuration Management
2 5 (71.43%) Continuous Integration
2 5 (71.43%) Release Management
2 5 (71.43%) Scrum
2 5 (71.43%) SDLC
2 5 (71.43%) SOA
2 5 (71.43%) Waterfall
3 2 (28.57%) DevOps
4 1 (14.29%) BDD
4 1 (14.29%) Multithreading
4 1 (14.29%) MVC
4 1 (14.29%) MVVM
4 1 (14.29%) Responsive Web Design
4 1 (14.29%) Unit Testing
Programming Languages
1 7 (100.00%) C#
2 5 (71.43%) Java
2 5 (71.43%) PowerShell
3 1 (14.29%) TypeScript
Vendors
1 5 (71.43%) Microsoft