The table below looks at the prevalence of the term Inversion of Control in IT contracts advertised for the City of London 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 27 November 2014 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
27 Nov 2014
Same period 2013 Same period 2012
Inversion of Control (IoC)
Rank 189 208 189
Rank change year-on-year
+19 -19
Contract jobs citing Inversion of Control 13 13 9
As % of all contract IT jobs located in the City of London 0.23% 0.19% 0.14%
As % of the Miscellaneous category 0.63% 0.48% 0.39%
Number of daily rates quoted 8 8 9
Average daily rate
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£450 £438 £550
Average daily rate % change year-on-year
+2.85% -20.45%
90% offered a daily rate of more than £368 £343 £325
10% offered a daily rate of more than £557 £600 £605
UK excluding London average daily rate £350 £430 £300
% change year-on-year
-18.60% +43.33%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -
Inversion of Control
London

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

Miscellaneous Category
City of London
Contract IT job ads with a match in the
Miscellaneous category
2051 2685 2323
As % of all contract IT jobs located in the City of London 35.53% 38.49% 36.53%
Number of daily rates quoted 1603 2009 1737
Average daily rate £450 £475 £488
Average daily rate % change year-on-year
-5.26% -2.56%
90% offered a daily rate of more than £275 £300 £275
10% offered a daily rate of more than £650 £628 £650
UK excluding London average daily rate £363 £350 £350
% change year-on-year
+3.57% -
Number of hourly rates quoted 34 46 62
Average hourly rate £15.00 £20.00 £22.50
Average hourly rate % change year-on-year
-25.00% -11.11%
90% offered a hourly rate of more than £11.50 £13.50 £12.50
10% offered a hourly rate of more than £22.55 £41.92 £39.50
UK excluding London average hourly rate £17.25 £19.00 £20.00
% change year-on-year
-9.21% -5.00%

Inversion of Control
Jobs Demand Trend in the City of London

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

Inversion of Control Jobs Demand Trend in the City of London

Inversion of Control
Daily Rate Trend in the City of London

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

Inversion of Control Daily Rate Trend in the City of London

Inversion of Control
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Inversion of Control across the City of London region over the 3 months to 27 November 2014.

Inversion of Control Daily Rate Histogram in the City of London

Inversion of Control
Top 30 Related IT Skills in the City of London

For the 6 months to 27 November 2014, IT contractor jobs across the City of London 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 16 (84.21%) TDD
2 11 (57.89%) MVC
3 10 (52.63%) C#
4 9 (47.37%) .NET
4 9 (47.37%) Web Services
4 9 (47.37%) .NET Framework
4 9 (47.37%) WCF
5 8 (42.11%) Agile Software Development
6 7 (36.84%) jQuery
6 7 (36.84%) SQL
6 7 (36.84%) JavaScript
6 7 (36.84%) Oracle
6 7 (36.84%) SQL Server
6 7 (36.84%) ASP.NET
6 7 (36.84%) ASP.NET MVC
7 6 (31.58%) ADO.NET Entity Framework
7 6 (31.58%) Unity DI Container
7 6 (31.58%) CSS
7 6 (31.58%) HTML
7 6 (31.58%) Java
7 6 (31.58%) OO
7 6 (31.58%) Finance
7 6 (31.58%) Team Foundation Server
7 6 (31.58%) WPF
7 6 (31.58%) Spring
8 5 (26.32%) Banking
8 5 (26.32%) SOA
8 5 (26.32%) Microsoft
8 5 (26.32%) ASP.NET MVC 4
9 4 (21.05%) ASP.NET Web API

Inversion of Control
Top Related IT Skills in the City of London by Category

For the 6 months to 27 November 2014, IT contractor jobs across the City of London 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.

Application Platforms
1 3 (15.79%) Apache
2 2 (10.53%) Tomcat
2 2 (10.53%) SharePoint
3 1 (5.26%) Mule
3 1 (5.26%) Oracle Coherence
3 1 (5.26%) JBoss
Applications
1 2 (10.53%) MS Excel
Cloud Services
1 1 (5.26%) Amazon EC2
Database & Business Intelligence
1 7 (36.84%) SQL Server
2 3 (15.79%) Relational Database
3 1 (5.26%) SQL Server Analysis Services
3 1 (5.26%) SQL Server 2008
3 1 (5.26%) Sybase ASE
3 1 (5.26%) SQL Server 2005
3 1 (5.26%) SQL Server Integration Services
3 1 (5.26%) Data Warehouse
3 1 (5.26%) RDBMS
3 1 (5.26%) MongoDB
3 1 (5.26%) Oracle Database
Development Applications
1 6 (31.58%) Team Foundation Server
2 4 (21.05%) Ant
2 4 (21.05%) NUnit
2 4 (21.05%) Maven
2 4 (21.05%) TeamCity
3 3 (15.79%) Visual Studio Team System
3 3 (15.79%) MSTest
4 2 (10.53%) MSBuild
4 2 (10.53%) Mockito
4 2 (10.53%) IntelliJ
4 2 (10.53%) Subversion
4 2 (10.53%) CruiseControl
4 2 (10.53%) JIRA
4 2 (10.53%) Git (software)
5 1 (5.26%) Visual Studio
5 1 (5.26%) ProC
5 1 (5.26%) WebDriver
5 1 (5.26%) SpecFlow
General
1 6 (31.58%) Finance
2 5 (26.32%) Banking
3 3 (15.79%) Investment Banking
4 2 (10.53%) Financial Institution
5 1 (5.26%) Marketing
5 1 (5.26%) Front Office
Job Titles
1 14 (73.68%) Developer
2 7 (36.84%) .NET Developer
3 4 (21.05%) Architect
4 3 (15.79%) Senior Developer
5 2 (10.53%) Technical Architect
5 2 (10.53%) Development Manager
5 2 (10.53%) Senior .NET Developer
5 2 (10.53%) Front-End Developer
6 1 (5.26%) .NET Architect
6 1 (5.26%) C# Developer
6 1 (5.26%) Analyst Developer
6 1 (5.26%) Applications Architect
6 1 (5.26%) Software Developer
6 1 (5.26%) Analyst
6 1 (5.26%) Analyst Programmer
6 1 (5.26%) Programmer
6 1 (5.26%) Android Developer
Libraries, Frameworks & Software Standards
1 9 (47.37%) .NET
1 9 (47.37%) Web Services
1 9 (47.37%) .NET Framework
1 9 (47.37%) WCF
2 7 (36.84%) jQuery
2 7 (36.84%) ASP.NET
2 7 (36.84%) ASP.NET MVC
3 6 (31.58%) ADO.NET Entity Framework
3 6 (31.58%) Unity DI Container
3 6 (31.58%) CSS
3 6 (31.58%) HTML
3 6 (31.58%) WPF
3 6 (31.58%) Spring
4 5 (26.32%) ASP.NET MVC 4
5 4 (21.05%) ASP.NET Web API
5 4 (21.05%) Castle Windsor
5 4 (21.05%) RESTful
5 4 (21.05%) JMS
5 4 (21.05%) NHibernate
6 3 (15.79%) Ajax
Miscellaneous
1 4 (21.05%) Derivative
2 3 (15.79%) N-Tier
3 2 (10.53%) Equity Derivative
4 1 (5.26%) Computer Science
4 1 (5.26%) Fixed Income
4 1 (5.26%) Equities
4 1 (5.26%) Tandem
4 1 (5.26%) PKI
4 1 (5.26%) Foreign Exchange (FX)
4 1 (5.26%) Hedge funds
4 1 (5.26%) Open Source
4 1 (5.26%) Mobile App
4 1 (5.26%) Enterprise Software
Operating Systems
1 4 (21.05%) Windows
2 3 (15.79%) UNIX
3 1 (5.26%) Android
3 1 (5.26%) Red Hat Enterprise Linux
3 1 (5.26%) Linux
Processes & Methodologies
1 16 (84.21%) TDD
2 11 (57.89%) MVC
3 8 (42.11%) Agile Software Development
4 6 (31.58%) OO
5 5 (26.32%) SOA
6 4 (21.05%) Scrum
6 4 (21.05%) Technical Architecture
6 4 (21.05%) Continuous Integration
7 3 (15.79%) Unit Testing
7 3 (15.79%) Business Analysis
7 3 (15.79%) Dependency Injection
7 3 (15.79%) BDD
8 2 (10.53%) MVVM
8 2 (10.53%) Domain-Driven Design
8 2 (10.53%) Memory Management
8 2 (10.53%) OOP
8 2 (10.53%) Software Engineering
8 2 (10.53%) Release Management
9 1 (5.26%) Investment Management
9 1 (5.26%) Test Automation
Programming Languages
1 10 (52.63%) C#
2 7 (36.84%) SQL
2 7 (36.84%) JavaScript
3 6 (31.58%) Java
4 3 (15.79%) PL/SQL
5 2 (10.53%) Scala
5 2 (10.53%) XAML
5 2 (10.53%) Shell Script
5 2 (10.53%) T-SQL
5 2 (10.53%) Groovy
6 1 (5.26%) XPath
6 1 (5.26%) XQuery
Qualifications
1 2 (10.53%) Security Cleared
2 1 (5.26%) SC Cleared
2 1 (5.26%) CTC Cleared
2 1 (5.26%) Degree
Vendors
1 7 (36.84%) Oracle
2 5 (26.32%) Microsoft
3 4 (21.05%) Telerik
4 3 (15.79%) Red Gate
5 2 (10.53%) Red Hat
5 2 (10.53%) Google
6 1 (5.26%) Sybase
6 1 (5.26%) Reuters
6 1 (5.26%) Bloomberg
6 1 (5.26%) Murex
6 1 (5.26%) Fidessa
6 1 (5.26%) Infragistics
City, London
Salt
Rate: £500 - £501 per day
Posted: Yesterday