The table below looks at the prevalence of the term Inversion of Control in IT contracts advertised for the Hertfordshire region. Included is a guide to the average contractor rates offered in IT contracts that have cited Inversion of Control over the 3 months to 30 April 2016 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.

3 months to
30 Apr 2016
Same period 2015 Same period 2014
Inversion of Control (IoC)
Rank - 61 -
Contract jobs citing Inversion of Control 0 1 0
As % of all contract IT jobs located in Hertfordshire - 0.15% -
As % of the Miscellaneous category - 0.40% -
Number of daily rates quoted 0 1 0
Average daily rate - £275 -
UK excluding London average daily rate £400 £375 £388
% change year-on-year
+6.66% -3.22%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -
Inversion of Control
East of England

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

Miscellaneous Category
Hertfordshire
Contract IT job ads with a match in the
Miscellaneous category
227 249 258
As % of all contract IT jobs located in Hertfordshire 31.70% 38.19% 33.81%
Number of daily rates quoted 105 124 117
Average daily rate £400 £388 £375
Average daily rate % change year-on-year
+3.22% +3.33%
90% offered a daily rate of more than £250 £263 £186
10% offered a daily rate of more than £502 £500 £475
UK excluding London average daily rate £388 £375 £350
% change year-on-year
+3.33% +7.14%
Number of hourly rates quoted 9 17 13
Average hourly rate £16.25 £15.00 £27.50
Average hourly rate % change year-on-year
+8.33% -45.45%
90% offered a hourly rate of more than £10.00 £12.90 £12.50
10% offered a hourly rate of more than £38.00 £37.10 £37.00
UK excluding London average hourly rate £21.75 £18.90 £20.00
% change year-on-year
+15.07% -5.50%

Inversion of Control
Jobs Demand Trend in Hertfordshire

This chart provides a 3-month moving total of IT contractor jobs citing Inversion of Control across the Hertfordshire region as a proportion of the total demand within the Miscellaneous category.

Inversion of Control Jobs Demand Trend in Hertfordshire

Inversion of Control
Daily Rate Trend in Hertfordshire

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Inversion of Control across the Hertfordshire region.

Inversion of Control Daily Rate Trend in Hertfordshire

Inversion of Control
Top 24 Related IT Skills in Hertfordshire

For the 6 months to 30 April 2016, IT contractor jobs across the Hertfordshire region citing Inversion of Control 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 Inversion of Control.

1 2 (100.00%) C#
1 2 (100.00%) SQL
1 2 (100.00%) .NET
1 2 (100.00%) OOP
1 2 (100.00%) SOA
1 2 (100.00%) FitNesse
1 2 (100.00%) Continuous Integration
1 2 (100.00%) PowerShell
1 2 (100.00%) OWASP
1 2 (100.00%) TeamCity
1 2 (100.00%) Git (software)
1 2 (100.00%) Team Foundation Server
1 2 (100.00%) Domain-Driven Design
1 2 (100.00%) MSTest
1 2 (100.00%) Splunk
1 2 (100.00%) SpecFlow
1 2 (100.00%) Jenkins
1 2 (100.00%) Agile Software Development
1 2 (100.00%) TDD
1 2 (100.00%) NUnit
1 2 (100.00%) CruiseControl
1 2 (100.00%) Penetration Testing
1 2 (100.00%) Software Engineering
1 2 (100.00%) SOLID

Inversion of Control
Top Related IT Skills in Hertfordshire by Category

For the 6 months to 30 April 2016, IT contractor jobs across the Hertfordshire region citing Inversion of Control 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 Inversion of Control. Up to 20 skills are shown per category.

Development Applications
1 2 (100.00%) CruiseControl
1 2 (100.00%) FitNesse
1 2 (100.00%) Git (software)
1 2 (100.00%) Jenkins
1 2 (100.00%) MSTest
1 2 (100.00%) NUnit
1 2 (100.00%) SpecFlow
1 2 (100.00%) Team Foundation Server
1 2 (100.00%) TeamCity
Job Titles
1 1 (50.00%) .NET Developer
1 1 (50.00%) .NET Software Engineer
1 1 (50.00%) C# .NET Developer
1 1 (50.00%) C# Developer
1 1 (50.00%) C# Software Engineer
1 1 (50.00%) Developer
1 1 (50.00%) Software Engineer
Libraries, Frameworks & Software Standards
1 2 (100.00%) .NET
Processes & Methodologies
1 2 (100.00%) Agile Software Development
1 2 (100.00%) Continuous Integration
1 2 (100.00%) Domain-Driven Design
1 2 (100.00%) OOP
1 2 (100.00%) OWASP
1 2 (100.00%) Penetration Testing
1 2 (100.00%) SOA
1 2 (100.00%) Software Engineering
1 2 (100.00%) SOLID
1 2 (100.00%) TDD
Programming Languages
1 2 (100.00%) C#
1 2 (100.00%) PowerShell
1 2 (100.00%) SQL
Vendors
1 2 (100.00%) Splunk