The first 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 29 July 2014 with a comparison to the same period in the previous 2 years. The second table is for comparison and provides aggregates for all terms in our Miscellaneous category for the City of London region.

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
29 Jul 2014
Same period 2013 Same period 2012
Inversion of Control (IoC)
Rank 187 206 198
Rank change year-on-year
+19 -8
Contract jobs citing Inversion of Control 8 13 21
As % of all contract IT jobs located in the City of London 0.14% 0.18% 0.27%
As % of the Miscellaneous category 0.45% 0.56% 0.84%
Number of daily rates quoted 7 13 20
Average daily rate
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£450 £351 £513
Average daily rate % change year-on-year
+28.38% -31.60%
90% offered a daily rate of more than £361 £350 £440
10% offered a daily rate of more than £561 £575 £603
UK excluding London average daily rate £321 £394 £338
% change year-on-year
-18.41% +16.66%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -
Miscellaneous Category
City of London
Contract IT job ads with a match in the
Miscellaneous category
1775 2322 2499
As % of all contract IT jobs located in the City of London 30.48% 32.67% 31.91%
Number of daily rates quoted 1285 1679 1908
Average daily rate £475 £500 £500
Average daily rate % change year-on-year
-5.00% -
90% offered a daily rate of more than £285 £300 £300
10% offered a daily rate of more than £650 £650 £650
UK excluding London average daily rate £350 £350 £338
% change year-on-year
- +3.70%
Number of hourly rates quoted 37 65 48
Average hourly rate £19.00 £22.00 £20.00
Average hourly rate % change year-on-year
-13.63% +10.00%
90% offered a hourly rate of more than £12.50 £14.95 £12.90
10% offered a hourly rate of more than £39.90 £48.45 £33.00
UK excluding London average hourly rate £21.00 £20.50 £25.73
% change year-on-year
+2.43% -20.32%
Inversion of Control
London

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 29 July 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 29 July 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 11 (78.57%) TDD
2 8 (57.14%) MVC
2 8 (57.14%) .NET
3 7 (50.00%) C#
3 7 (50.00%) HTML
3 7 (50.00%) SQL Server
3 7 (50.00%) ASP.NET
3 7 (50.00%) Agile Software Development
3 7 (50.00%) Team Foundation Server
3 7 (50.00%) ASP.NET MVC
4 6 (42.86%) Dependency Injection
4 6 (42.86%) Telerik
4 6 (42.86%) .NET Framework
4 6 (42.86%) Microsoft
5 5 (35.71%) JavaScript
5 5 (35.71%) NUnit
5 5 (35.71%) SQL Server 2005
5 5 (35.71%) NHibernate
5 5 (35.71%) HTML5
5 5 (35.71%) Castle Windsor
6 4 (28.57%) SQL Server 2008
6 4 (28.57%) XML
6 4 (28.57%) Rhino Mocks
7 3 (21.43%) XSLT
7 3 (21.43%) Web Services
7 3 (21.43%) Scrum
7 3 (21.43%) Finance
7 3 (21.43%) Java
7 3 (21.43%) Oracle
7 3 (21.43%) SQL

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

For the 6 months to 29 July 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 1 (7.14%) Apache
1 1 (7.14%) SharePoint
1 1 (7.14%) Oracle Coherence
1 1 (7.14%) Mule
1 1 (7.14%) Apache Solr
1 1 (7.14%) Node.js
Communications & Networking
1 1 (7.14%) HTTP
Database & Business Intelligence
1 7 (50.00%) SQL Server
2 5 (35.71%) SQL Server 2005
3 4 (28.57%) SQL Server 2008
4 2 (14.29%) Oracle Database
5 1 (7.14%) MongoDB
5 1 (7.14%) NoSQL
5 1 (7.14%) MarkLogic
5 1 (7.14%) SQL Server Integration Services
5 1 (7.14%) SQL Server Analysis Services
5 1 (7.14%) Data Warehouse
5 1 (7.14%) Sybase ASE
Development Applications
1 7 (50.00%) Team Foundation Server
2 5 (35.71%) NUnit
3 4 (28.57%) Rhino Mocks
4 1 (7.14%) SpecFlow
4 1 (7.14%) Jasmine
4 1 (7.14%) WebDriver
4 1 (7.14%) MSTest
4 1 (7.14%) Maven
4 1 (7.14%) JIRA
4 1 (7.14%) Visual Studio Team System
4 1 (7.14%) Visual Studio
General
1 3 (21.43%) Finance
2 2 (14.29%) Banking
2 2 (14.29%) Front Office
3 1 (7.14%) Investment Banking
3 1 (7.14%) Publishing
Job Titles
1 11 (78.57%) Developer
2 5 (35.71%) .NET Developer
3 4 (28.57%) ASP.NET Developer
4 3 (21.43%) Senior Developer
5 2 (14.29%) Architect
5 2 (14.29%) Agile .NET Developer
5 2 (14.29%) C# Developer
6 1 (7.14%) Senior Web Developer
6 1 (7.14%) Analyst Developer
6 1 (7.14%) C# .NET Developer
6 1 (7.14%) WPF Developer
6 1 (7.14%) Applications Architect
6 1 (7.14%) C# ASP.NET Developer
6 1 (7.14%) Software Developer
6 1 (7.14%) Analyst Programmer
6 1 (7.14%) Programmer
6 1 (7.14%) Analyst
6 1 (7.14%) Technical Architect
6 1 (7.14%) Web Developer
6 1 (7.14%) Front Office Developer
Libraries, Frameworks & Software Standards
1 8 (57.14%) .NET
2 7 (50.00%) HTML
2 7 (50.00%) ASP.NET
2 7 (50.00%) ASP.NET MVC
3 6 (42.86%) .NET Framework
4 5 (35.71%) NHibernate
4 5 (35.71%) HTML5
4 5 (35.71%) Castle Windsor
5 4 (28.57%) XML
6 3 (21.43%) XSLT
6 3 (21.43%) Spring
6 3 (21.43%) WPF
6 3 (21.43%) CSS
6 3 (21.43%) Web Services
7 2 (14.29%) JMS
7 2 (14.29%) jQuery
7 2 (14.29%) JSON
7 2 (14.29%) WCF
7 2 (14.29%) Lucene
7 2 (14.29%) ASP.NET MVC 3
Miscellaneous
1 1 (7.14%) N-Tier
1 1 (7.14%) Fixed Income
1 1 (7.14%) Tandem
1 1 (7.14%) PKI
1 1 (7.14%) Open Source
1 1 (7.14%) Enterprise Software
Operating Systems
1 2 (14.29%) Windows
2 1 (7.14%) Linux
2 1 (7.14%) Red Hat Enterprise Linux
2 1 (7.14%) UNIX
Processes & Methodologies
1 11 (78.57%) TDD
2 8 (57.14%) MVC
3 7 (50.00%) Agile Software Development
4 6 (42.86%) Dependency Injection
5 3 (21.43%) MVVM
5 3 (21.43%) Unit Testing
5 3 (21.43%) Scrum
6 2 (14.29%) OO
6 2 (14.29%) BDD
7 1 (7.14%) ATDD
7 1 (7.14%) Analytics
7 1 (7.14%) Low Latency
7 1 (7.14%) Continuous Integration
7 1 (7.14%) Investment Management
7 1 (7.14%) Kanban
7 1 (7.14%) Test Automation
7 1 (7.14%) Complex Event Processing
7 1 (7.14%) OOD
7 1 (7.14%) Business Intelligence
7 1 (7.14%) RDF
Programming Languages
1 7 (50.00%) C#
2 5 (35.71%) JavaScript
3 3 (21.43%) Java
3 3 (21.43%) SQL
4 2 (14.29%) XQuery
4 2 (14.29%) XAML
5 1 (7.14%) Ruby
5 1 (7.14%) XPath
5 1 (7.14%) SPARQL
5 1 (7.14%) PL/SQL
5 1 (7.14%) T-SQL
Qualifications
1 1 (7.14%) Security Cleared
Vendors
1 6 (42.86%) Microsoft
1 6 (42.86%) Telerik
2 3 (21.43%) Oracle
3 2 (14.29%) Google
3 2 (14.29%) Red Hat
4 1 (7.14%) Bloomberg
4 1 (7.14%) Red Gate
4 1 (7.14%) Sybase
4 1 (7.14%) JBoss
4 1 (7.14%) Murex
4 1 (7.14%) Fidessa