The table below looks at the prevalence of the term Inversion of Control in IT contracts advertised for the Staffordshire region. Included is a guide to the contractor rates offered in IT contracts that have cited Inversion of Control over the 3 months to 26 July 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 Jul 2016
Same period 2015 Same period 2014
Inversion of Control (IoC)
Rank 30 - -
Rank change year-on-year
- 0
Contract jobs citing Inversion of Control 1 0 0
As % of all contract IT jobs located in Staffordshire 0.45% - -
As % of the Miscellaneous category 1.64% - -
Number of daily rates quoted 0 0 0
Median daily rate - - -
UK excluding London median daily rate £361 £315 £321
% change year-on-year
+14.68% -1.94%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -
Inversion of Control
West Midlands

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

Miscellaneous Category
Staffordshire
Contract IT job ads with a match in the
Miscellaneous category
61 46 43
As % of all contract IT jobs located in Staffordshire 27.23% 28.22% 34.68%
Number of daily rates quoted 36 30 23
Median daily rate £320 £390 £350
Median daily rate % change year-on-year
-17.94% +11.42%
90% offered a daily rate of more than £100 £275 £194
10% offered a daily rate of more than £429 £420 £600
UK excluding London median daily rate £388 £375 £350
% change year-on-year
+3.33% +7.14%
Number of hourly rates quoted 4 4 5
Median hourly rate £22.60 £14.70 £10.50
Median hourly rate % change year-on-year
+53.75% +40.00%
90% offered a hourly rate of more than £13.08 £13.77 £9.50
10% offered a hourly rate of more than £41.20 £17.10 £12.80
UK excluding London median hourly rate £21.75 £18.00 £20.50
% change year-on-year
+20.83% -12.19%

Inversion of Control
Top 30 Related IT Skills in Staffordshire

For the 6 months to 26 July 2016, IT contractor jobs citing Inversion of Control 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 Inversion of Control.

1 1 (100.00%) C#
1 1 (100.00%) HTML
1 1 (100.00%) SQL
1 1 (100.00%) T-SQL
1 1 (100.00%) .NET
1 1 (100.00%) Visual Studio
1 1 (100.00%) ADO.NET
1 1 (100.00%) ASP.NET
1 1 (100.00%) XML
1 1 (100.00%) XSD
1 1 (100.00%) Windows
1 1 (100.00%) OOP
1 1 (100.00%) N-Tier
1 1 (100.00%) OOD
1 1 (100.00%) SOA
1 1 (100.00%) XAML
1 1 (100.00%) Manufacturing
1 1 (100.00%) Migration
1 1 (100.00%) WinForms
1 1 (100.00%) Agile Software Development
1 1 (100.00%) NUnit
1 1 (100.00%) Ajax
1 1 (100.00%) .NET Framework
1 1 (100.00%) ReSharper
1 1 (100.00%) Life Science
1 1 (100.00%) WCF
1 1 (100.00%) LINQ
1 1 (100.00%) Unit Testing
1 1 (100.00%) Team Foundation Server
1 1 (100.00%) DevExpress

Inversion of Control
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:

Development Applications
1 1 (100.00%) NSubstitute
1 1 (100.00%) NUnit
1 1 (100.00%) ReSharper
1 1 (100.00%) Team Foundation Server
1 1 (100.00%) Visual Studio
General
1 1 (100.00%) Manufacturing
Job Titles
1 1 (100.00%) Developer
1 1 (100.00%) Software Developer
Libraries, Frameworks & Software Standards
1 1 (100.00%) .NET
1 1 (100.00%) .NET Framework
1 1 (100.00%) ADO.NET
1 1 (100.00%) Ajax
1 1 (100.00%) ASP.NET
1 1 (100.00%) ASP.NET Web API
1 1 (100.00%) Entity Framework
1 1 (100.00%) HTML
1 1 (100.00%) HTML5
1 1 (100.00%) LINQ
1 1 (100.00%) Ninject
1 1 (100.00%) REST
1 1 (100.00%) WCF
1 1 (100.00%) WinForms
1 1 (100.00%) XML
1 1 (100.00%) XSD
Miscellaneous
1 1 (100.00%) Life Science
1 1 (100.00%) N-Tier
Operating Systems
1 1 (100.00%) Windows
Processes & Methodologies
1 1 (100.00%) Agile Software Development
1 1 (100.00%) Dependency Injection
1 1 (100.00%) Migration
1 1 (100.00%) OOD
1 1 (100.00%) OOP
1 1 (100.00%) SOA
1 1 (100.00%) Unit Testing
Programming Languages
1 1 (100.00%) C#
1 1 (100.00%) SQL
1 1 (100.00%) T-SQL
1 1 (100.00%) XAML
Vendors
1 1 (100.00%) DevExpress