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 27 July 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
27 Jul 2015
Same period 2014 Same period 2013
Inversion of Control (IoC)
Rank 366 375 375
Rank change year-on-year
+9 0
Contract jobs citing Inversion of Control 41 33 40
As % of all contract IT jobs located in London 0.17% 0.14% 0.16%
As % of the Miscellaneous category 0.48% 0.37% 0.42%
Number of daily rates quoted 38 28 33
Average daily rate
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of your Daily Rate
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£493 £425 £435
Average daily rate % change year-on-year
+15.88% -2.29%
90% offered a daily rate of more than £350 £373 £350
10% offered a daily rate of more than £583 £522 £600
UK excluding London average daily rate £315 £321 £394
% change year-on-year
-1.94% -18.41%
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
8481 8835 9500
As % of all contract IT jobs located in London 35.99% 37.46% 39.19%
Number of daily rates quoted 5945 5973 6446
Average daily rate £475 £450 £450
Average daily rate % change year-on-year
+5.55% -
90% offered a daily rate of more than £275 £275 £275
10% offered a daily rate of more than £650 £625 £625
UK excluding London average daily rate £375 £350 £350
% change year-on-year
+7.14% -
Number of hourly rates quoted 166 166 213
Average hourly rate £20.00 £20.00 £22.50
Average hourly rate % change year-on-year
- -11.11%
90% offered a hourly rate of more than £14.29 £14.04 £14.50
10% offered a hourly rate of more than £52.17 £45.00 £45.00
UK excluding London average hourly rate £19.08 £21.63 £20.00
% change year-on-year
-11.76% +8.12%

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 27 July 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 27 July 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 -10 7 £375 -16.66% 1
Inversion of Control
England

Inversion of Control
Top 30 Related IT Skills in London

For the 6 months to 27 July 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 48 (72.73%) TDD
2 38 (57.58%) MVC
3 36 (54.55%) .NET
4 35 (53.03%) C#
4 35 (53.03%) SQL
5 33 (50.00%) SQL Server
6 32 (48.48%) NUnit
7 29 (43.94%) HTML
7 29 (43.94%) CSS
7 29 (43.94%) Web Services
8 28 (42.42%) Microsoft
8 28 (42.42%) Agile Software Development
9 26 (39.39%) .NET Framework
9 26 (39.39%) OO
10 22 (33.33%) OOP
11 21 (31.82%) Continuous Integration
12 19 (28.79%) WCF
12 19 (28.79%) Ajax
13 18 (27.27%) WPF
13 18 (27.27%) Dependency Injection
14 17 (25.76%) Mobile App
14 17 (25.76%) ASP.NET
15 16 (24.24%) Finance
15 16 (24.24%) Entity Framework
15 16 (24.24%) ASP.NET MVC
16 15 (22.73%) Android
16 15 (22.73%) Unity DI Container
16 15 (22.73%) Android SDK
16 15 (22.73%) Android Development
16 15 (22.73%) Scrum

Inversion of Control
Top Related IT Skills in London by Category

For the 6 months to 27 July 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 4 (6.06%) IIS
1 4 (6.06%) Apache
1 4 (6.06%) Tomcat
1 4 (6.06%) Elasticsearch
2 3 (4.55%) NServiceBus
3 2 (3.03%) Apache Spark
3 2 (3.03%) Oracle Coherence
3 2 (3.03%) SharePoint
4 1 (1.52%) BizTalk Server
4 1 (1.52%) CMS
4 1 (1.52%) Apache Solr
4 1 (1.52%) EPiServer CMS
Applications
1 6 (9.09%) MS Excel
2 4 (6.06%) MS Visio
Business Applications
1 1 (1.52%) Dynamics CRM
Cloud Services
1 2 (3.03%) Microsoft Azure
Communications & Networking
1 1 (1.52%) SMTP
1 1 (1.52%) Firewall
Database & Business Intelligence
1 33 (50.00%) SQL Server
2 9 (13.64%) SQL Server 2012
3 6 (9.09%) SQL Server 2008
4 5 (7.58%) MongoDB
4 5 (7.58%) NoSQL
5 4 (6.06%) SQL Server Reporting Services
5 4 (6.06%) SQL Server Integration Services
5 4 (6.06%) MarkLogic
5 4 (6.06%) Triplestore
6 3 (4.55%) Hadoop
7 2 (3.03%) Mahout
7 2 (3.03%) Oracle Database
8 1 (1.52%) MySQL
8 1 (1.52%) SQL Server 2000
Development Applications
1 32 (48.48%) NUnit
2 13 (19.70%) Visual Studio
3 9 (13.64%) Git (software)
3 9 (13.64%) Team Foundation Server
3 9 (13.64%) SpecFlow
4 7 (10.61%) Moq
4 7 (10.61%) TeamCity
4 7 (10.61%) MSTest
5 6 (9.09%) ProC
5 6 (9.09%) CruiseControl
6 5 (7.58%) Build Forge
6 5 (7.58%) Hudson
6 5 (7.58%) Jenkins
6 5 (7.58%) MSBuild
7 4 (6.06%) Mockito
7 4 (6.06%) Rhino Mocks
7 4 (6.06%) JUnit
7 4 (6.06%) Maven
8 3 (4.55%) JIRA
8 3 (4.55%) ReSharper
General
1 16 (24.24%) Finance
2 12 (18.18%) Retail
3 6 (9.09%) Banking
4 3 (4.55%) Investment Banking
4 3 (4.55%) Front Office
4 3 (4.55%) Back Office
5 2 (3.03%) Publishing
6 1 (1.52%) Telecoms
6 1 (1.52%) Manufacturing
6 1 (1.52%) Advertising
Job Titles
1 55 (83.33%) Developer
2 19 (28.79%) Senior Developer
3 17 (25.76%) .NET Developer
4 15 (22.73%) Android Developer
5 9 (13.64%) C# Developer
6 7 (10.61%) Lead Developer
6 7 (10.61%) Java Developer
6 7 (10.61%) Senior Android Developer
7 5 (7.58%) Lead Android Developer
7 5 (7.58%) C# .NET Developer
8 4 (6.06%) Senior Java Developer
9 3 (4.55%) Senior .NET Developer
9 3 (4.55%) Web Developer
10 2 (3.03%) Senior Consultant
10 2 (3.03%) Consultant
10 2 (3.03%) Architect
10 2 (3.03%) Software Engineer
10 2 (3.03%) .NET Consultant
10 2 (3.03%) Technical Leader
10 2 (3.03%) Senior .NET Consultant
Libraries, Frameworks & Software Standards
1 36 (54.55%) .NET
2 29 (43.94%) HTML
2 29 (43.94%) CSS
2 29 (43.94%) Web Services
3 26 (39.39%) .NET Framework
4 19 (28.79%) Ajax
4 19 (28.79%) WCF
5 18 (27.27%) WPF
6 17 (25.76%) ASP.NET
7 16 (24.24%) ASP.NET MVC
7 16 (24.24%) Entity Framework
8 15 (22.73%) Unity DI Container
8 15 (22.73%) Android SDK
9 12 (18.18%) ASP.NET Web API
9 12 (18.18%) Spring
10 10 (15.15%) AngularJS
11 9 (13.64%) jQuery
12 7 (10.61%) JSON
12 7 (10.61%) Task Parallel Library
12 7 (10.61%) Ninject
Miscellaneous
1 17 (25.76%) Mobile App
2 5 (7.58%) Derivative
2 5 (7.58%) Equity Derivative
3 4 (6.06%) Semantic Web
4 3 (4.55%) Hedge funds
4 3 (4.55%) Analytical Skills
5 2 (3.03%) Management Information System
5 2 (3.03%) PKI
6 1 (1.52%) N-Tier
6 1 (1.52%) Tandem
6 1 (1.52%) Mathematics
6 1 (1.52%) Physics
6 1 (1.52%) Computer Science
6 1 (1.52%) Social Network
6 1 (1.52%) Video on Demand
6 1 (1.52%) Enterprise Software
Operating Systems
1 15 (22.73%) Android
2 9 (13.64%) Windows
3 3 (4.55%) Linux
3 3 (4.55%) UNIX
4 2 (3.03%) Windows 8
4 2 (3.03%) Red Hat Enterprise Linux
5 1 (1.52%) Mac OS
5 1 (1.52%) Windows XP
5 1 (1.52%) Windows Phone 8
5 1 (1.52%) Windows Phone
Processes & Methodologies
1 48 (72.73%) TDD
2 38 (57.58%) MVC
3 28 (42.42%) Agile Software Development
4 26 (39.39%) OO
5 22 (33.33%) OOP
6 21 (31.82%) Continuous Integration
7 18 (27.27%) Dependency Injection
8 15 (22.73%) Android Development
8 15 (22.73%) Scrum
9 12 (18.18%) Unit Testing
10 11 (16.67%) SOA
10 11 (16.67%) BDD
11 8 (12.12%) MVVM
12 7 (10.61%) Release Management
12 7 (10.61%) Low Latency
13 6 (9.09%) Memory Management
13 6 (9.09%) Refactoring
14 5 (7.58%) Multithreading
14 5 (7.58%) Pair Programming
14 5 (7.58%) Software Engineering
Programming Languages
1 35 (53.03%) C#
1 35 (53.03%) SQL
2 15 (22.73%) JavaScript
3 13 (19.70%) Java
4 11 (16.67%) T-SQL
5 4 (6.06%) XAML
5 4 (6.06%) PL/SQL
6 3 (4.55%) PowerShell
6 3 (4.55%) SPARQL
6 3 (4.55%) VBA
7 2 (3.03%) Python
7 2 (3.03%) XQuery
7 2 (3.03%) XPath
8 1 (1.52%) VB6
8 1 (1.52%) VB
8 1 (1.52%) VB.NET
8 1 (1.52%) PHP
Qualifications
1 4 (6.06%) Degree
Quality Assurance & Compliance
1 1 (1.52%) EMIR
1 1 (1.52%) Dodd-Frank
Vendors
1 28 (42.42%) Microsoft
2 8 (12.12%) Oracle
3 7 (10.61%) Infragistics
4 5 (7.58%) TIBCO
4 5 (7.58%) Twitter
5 2 (3.03%) SAP
5 2 (3.03%) Red Hat
6 1 (1.52%) Google
6 1 (1.52%) Atlassian
6 1 (1.52%) EPiServer
6 1 (1.52%) Red Gate
6 1 (1.52%) Facebook
6 1 (1.52%) Reuters
6 1 (1.52%) Bloomberg