The table below looks at the prevalence of the term Inversion of Control in IT contracts advertised for the 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 1 April 2015 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
1 Apr 2015
Same period 2014 Same period 2013
Inversion of Control (IoC)
Rank 369 370 342
Rank change year-on-year
+1 -28
Contract jobs citing Inversion of Control 24 31 34
As % of all contract IT jobs located in London 0.11% 0.13% 0.16%
As % of the Miscellaneous category 0.30% 0.35% 0.42%
Number of daily rates quoted 18 25 33
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£425 £425 £500
Average daily rate % change year-on-year
- -15.00%
90% offered a daily rate of more than £381 £301 £317
10% offered a daily rate of more than £515 £490 £595
UK excluding London average daily rate £404 £381 £300
% change year-on-year
+5.90% +27.08%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -
Inversion of Control
England

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

Miscellaneous Category
London
Contract IT job ads with a match in the
Miscellaneous category
7920 8766 8163
As % of all contract IT jobs located in London 35.61% 37.59% 38.44%
Number of daily rates quoted 5403 6152 5739
Average daily rate £464 £450 £475
Average daily rate % change year-on-year
+3.05% -5.26%
90% offered a daily rate of more than £290 £275 £275
10% offered a daily rate of more than £650 £650 £625
UK excluding London average daily rate £375 £350 £338
% change year-on-year
+7.14% +3.70%
Number of hourly rates quoted 144 164 163
Average hourly rate £19.50 £22.50 £22.28
Average hourly rate % change year-on-year
-13.33% +0.98%
90% offered a hourly rate of more than £13.50 £14.00 £14.00
10% offered a hourly rate of more than £40.00 £42.50 £47.50
UK excluding London average hourly rate £19.00 £17.50 £23.00
% change year-on-year
+8.57% -23.91%

Inversion of Control
Jobs Demand Trend in London

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

Inversion of Control Jobs Demand Trend in London

Inversion of Control
Daily Rate Trend in London

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

Inversion of Control Daily Rate Trend in London

Inversion of Control
Daily Rate Histogram in London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Inversion of Control across the London region over the 3 months to 1 April 2015.

Inversion of Control Daily Rate Histogram in London

Inversion of Control
Contract Job Locations in London

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing Inversion of Control within the London region over the 3 months to 1 April 2015. 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +14 4 £400 -
Harrow - - - - 1
Isleworth - - - -
Kingston Upon Thames - - - - 1
Uxbridge - - - - 1
Inversion of Control
England

Inversion of Control
Top 30 Related IT Skills in London

For the 6 months to 1 April 2015, IT contractor jobs across the 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 54 (72.97%) .NET
2 53 (71.62%) TDD
3 51 (68.92%) C#
4 47 (63.51%) SQL Server
5 44 (59.46%) MVC
6 42 (56.76%) .NET Framework
7 38 (51.35%) SQL
8 34 (45.95%) Agile Software Development
9 31 (41.89%) WCF
10 27 (36.49%) SOA
11 25 (33.78%) Microsoft
12 24 (32.43%) ASP.NET
13 23 (31.08%) ASP.NET MVC
13 23 (31.08%) Entity Framework
14 21 (28.38%) Unity DI Container
14 21 (28.38%) T-SQL
14 21 (28.38%) HTML
14 21 (28.38%) Web Services
15 20 (27.03%) JavaScript
16 19 (25.68%) WPF
16 19 (25.68%) HTML5
17 18 (24.32%) Derivative
17 18 (24.32%) Scrum
17 18 (24.32%) Java
18 17 (22.97%) Oracle
18 17 (22.97%) jQuery
18 17 (22.97%) BDD
19 16 (21.62%) Finance
19 16 (21.62%) Banking
19 16 (21.62%) CSS

Inversion of Control
Top Related IT Skills in London by Category

For the 6 months to 1 April 2015, IT contractor jobs across the 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 11 (14.86%) CMS
2 6 (8.11%) EPiServer CMS
2 6 (8.11%) SharePoint
2 6 (8.11%) BizTalk Server
3 5 (6.76%) Apache
3 5 (6.76%) Sitecore CMS
4 3 (4.05%) Oracle Coherence
4 3 (4.05%) IIS
5 2 (2.70%) Tomcat
6 1 (1.35%) Elasticsearch
Applications
1 12 (16.22%) MS Excel
Business Applications
1 1 (1.35%) Summit
Cloud Services
1 5 (6.76%) Amazon ElastiCache
1 5 (6.76%) ElastiCache
1 5 (6.76%) Amazon SQS
1 5 (6.76%) Amazon EC2
1 5 (6.76%) Amazon S3
1 5 (6.76%) Amazon AWS
Communications & Networking
1 3 (4.05%) HTTP
2 2 (2.70%) Internet
Database & Business Intelligence
1 47 (63.51%) SQL Server
2 11 (14.86%) SQL Server 2008
3 7 (9.46%) SQL Server 2012
4 5 (6.76%) Oracle Database
5 4 (5.41%) Relational Database
6 1 (1.35%) RDBMS
6 1 (1.35%) Big Data
Development Applications
1 14 (18.92%) NUnit
2 11 (14.86%) ProC
3 9 (12.16%) SpecFlow
4 7 (9.46%) Subversion
4 7 (9.46%) Rhino Mocks
4 7 (9.46%) Moq
5 6 (8.11%) Git (software)
5 6 (8.11%) Team Foundation Server
5 6 (8.11%) MSTest
5 6 (8.11%) Ant
5 6 (8.11%) Maven
6 5 (6.76%) JIRA
7 4 (5.41%) TeamCity
7 4 (5.41%) MSBuild
7 4 (5.41%) Jenkins
7 4 (5.41%) CruiseControl
8 3 (4.05%) Visual Studio
8 3 (4.05%) Visual Studio Team System
9 2 (2.70%) Mockito
9 2 (2.70%) Hudson
General
1 16 (21.62%) Finance
1 16 (21.62%) Banking
2 13 (17.57%) Investment Banking
3 4 (5.41%) Back Office
4 3 (4.05%) Financial Institution
5 1 (1.35%) Front Office
Job Titles
1 56 (75.68%) Developer
2 20 (27.03%) C# Developer
3 19 (25.68%) .NET Developer
4 14 (18.92%) Senior Developer
5 13 (17.57%) C# .NET Developer
6 9 (12.16%) Senior .NET Developer
7 7 (9.46%) Architect
8 6 (8.11%) Technical Leader
9 5 (6.76%) Agile C# Developer
10 4 (5.41%) Development Manager
10 4 (5.41%) Senior C# Developer
11 3 (4.05%) Java Developer
11 3 (4.05%) Lead Architect
11 3 (4.05%) Agile .NET Developer
12 2 (2.70%) Front-End Developer
12 2 (2.70%) Lead Developer
12 2 (2.70%) Software Engineer
12 2 (2.70%) Analyst
12 2 (2.70%) Technical Architect
12 2 (2.70%) Lead C# Developer
Libraries, Frameworks & Software Standards
1 54 (72.97%) .NET
2 42 (56.76%) .NET Framework
3 31 (41.89%) WCF
4 24 (32.43%) ASP.NET
5 23 (31.08%) ASP.NET MVC
5 23 (31.08%) Entity Framework
6 21 (28.38%) Unity DI Container
6 21 (28.38%) HTML
6 21 (28.38%) Web Services
7 19 (25.68%) WPF
7 19 (25.68%) HTML5
8 17 (22.97%) jQuery
9 16 (21.62%) CSS
10 15 (20.27%) XML
11 13 (17.57%) RESTful
12 12 (16.22%) ASP.NET Web API
13 10 (13.51%) Castle Windsor
13 10 (13.51%) Ninject
13 10 (13.51%) Task Parallel Library
13 10 (13.51%) KnockoutJS
Miscellaneous
1 18 (24.32%) Derivative
2 12 (16.22%) Equity Derivative
3 10 (13.51%) Mobile App
4 6 (8.11%) Open Source
5 5 (6.76%) Public Cloud
5 5 (6.76%) Data Integration
6 4 (5.41%) Computer Science
7 3 (4.05%) Equities
7 3 (4.05%) Foreign Exchange (FX)
7 3 (4.05%) Hedge funds
8 2 (2.70%) Client/Server
8 2 (2.70%) Management Information System
8 2 (2.70%) PKI
8 2 (2.70%) Fixed Income
9 1 (1.35%) Tandem
9 1 (1.35%) Credit Derivative
9 1 (1.35%) N-Tier
9 1 (1.35%) Enterprise Software
Operating Systems
1 14 (18.92%) Windows
2 5 (6.76%) UNIX
3 2 (2.70%) Red Hat Enterprise Linux
3 2 (2.70%) Linux
4 1 (1.35%) Windows Phone
4 1 (1.35%) Windows 8
4 1 (1.35%) Windows Phone 8
Processes & Methodologies
1 53 (71.62%) TDD
2 44 (59.46%) MVC
3 34 (45.95%) Agile Software Development
4 27 (36.49%) SOA
5 18 (24.32%) Scrum
6 17 (22.97%) BDD
7 16 (21.62%) OO
8 12 (16.22%) Memory Management
8 12 (16.22%) OOP
9 10 (13.51%) Dependency Injection
10 9 (12.16%) DevOps
10 9 (12.16%) Domain-Driven Design
11 8 (10.81%) Continuous Integration
11 8 (10.81%) MVVM
11 8 (10.81%) Continuous Delivery
11 8 (10.81%) Release Management
12 7 (9.46%) Software Engineering
12 7 (9.46%) E-Commerce
13 6 (8.11%) Unit Testing
14 5 (6.76%) Business Analysis
Programming Languages
1 51 (68.92%) C#
2 38 (51.35%) SQL
3 21 (28.38%) T-SQL
4 20 (27.03%) JavaScript
5 18 (24.32%) Java
6 6 (8.11%) Scala
7 5 (6.76%) PL/SQL
8 4 (5.41%) Groovy
9 3 (4.05%) Shell Script
10 2 (2.70%) Clojure
10 2 (2.70%) XQuery
10 2 (2.70%) XPath
11 1 (1.35%) VBA
11 1 (1.35%) PowerShell
Qualifications
1 8 (10.81%) Degree
Quality Assurance & Compliance
1 2 (2.70%) EMIR
1 2 (2.70%) Dodd-Frank
Vendors
1 25 (33.78%) Microsoft
2 17 (22.97%) Oracle
3 12 (16.22%) Infragistics
4 6 (8.11%) EPiServer
4 6 (8.11%) Sitecore
5 3 (4.05%) Reuters
5 3 (4.05%) Red Gate
6 2 (2.70%) Twitter
6 2 (2.70%) Bloomberg
6 2 (2.70%) Red Hat
6 2 (2.70%) Google
7 1 (1.35%) Telerik
7 1 (1.35%) Syncfusion
7 1 (1.35%) Calypso
7 1 (1.35%) Sybase
7 1 (1.35%) DevExpress