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 3 September 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
3 Sep 2015
Same period 2014 Same period 2013
Inversion of Control (IoC)
Rank 377 376 381
Rank change year-on-year
-1 +5
Contract jobs citing Inversion of Control 47 40 50
As % of all contract IT jobs located in London 0.20% 0.17% 0.20%
As % of the Miscellaneous category 0.54% 0.44% 0.51%
Number of daily rates quoted 45 34 46
Average daily rate
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of your Daily Rate
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£495 £425 £435
Average daily rate % change year-on-year
+16.47% -2.29%
90% offered a daily rate of more than £350 £370 £343
10% offered a daily rate of more than £575 £505 £605
UK excluding London average daily rate £300 £350 £350
% change year-on-year
-14.28% -
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
8642 9041 9846
As % of all contract IT jobs located in London 36.49% 37.31% 38.94%
Number of daily rates quoted 5966 6040 6719
Average daily rate £475 £450 £450
Average daily rate % change year-on-year
+5.55% -
90% offered a daily rate of more than £275 £285 £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 153 186 193
Average hourly rate £21.25 £19.00 £20.00
Average hourly rate % change year-on-year
+11.84% -5.00%
90% offered a hourly rate of more than £13.17 £14.04 £13.00
10% offered a hourly rate of more than £43.30 £45.00 £47.00
UK excluding London average hourly rate £21.76 £20.00 £17.50
% change year-on-year
+8.81% +14.28%

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 3 September 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 3 September 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 +12 5 £350 -23.49% 1
Canary Wharf - 2 £550 -
Inversion of Control
England

Inversion of Control
Top 30 Related IT Skills in London

For the 6 months to 3 September 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 58 (78.38%) TDD
2 39 (52.70%) MVC
3 38 (51.35%) .NET
4 36 (48.65%) SQL Server
5 34 (45.95%) SQL
5 34 (45.95%) Agile Software Development
6 33 (44.59%) C#
6 33 (44.59%) HTML
7 32 (43.24%) Microsoft
8 31 (41.89%) CSS
8 31 (41.89%) Web Services
9 30 (40.54%) OO
9 30 (40.54%) NUnit
10 27 (36.49%) .NET Framework
11 25 (33.78%) OOP
12 22 (29.73%) Ajax
12 22 (29.73%) Continuous Integration
12 22 (29.73%) Dependency Injection
13 19 (25.68%) Scrum
13 19 (25.68%) Java
13 19 (25.68%) WCF
14 18 (24.32%) WPF
14 18 (24.32%) Entity Framework
14 18 (24.32%) Mobile App
14 18 (24.32%) ASP.NET
15 17 (22.97%) JavaScript
15 17 (22.97%) Spring
15 17 (22.97%) Android SDK
15 17 (22.97%) Android Development
15 17 (22.97%) BDD

Inversion of Control
Top Related IT Skills in London by Category

For the 6 months to 3 September 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 6 (8.11%) Tomcat
2 4 (5.41%) IIS
2 4 (5.41%) Apache
2 4 (5.41%) Elasticsearch
3 3 (4.05%) Apache Solr
3 3 (4.05%) NServiceBus
3 3 (4.05%) SharePoint
4 2 (2.70%) Oracle Coherence
4 2 (2.70%) Node.js
4 2 (2.70%) Apache Spark
5 1 (1.35%) Sitecore CMS
5 1 (1.35%) BizTalk Server
5 1 (1.35%) CMS
Applications
1 9 (12.16%) MS Excel
2 7 (9.46%) MS Visio
Business Applications
1 1 (1.35%) Dynamics CRM
Cloud Services
1 2 (2.70%) Microsoft Azure
2 1 (1.35%) Basecamp
2 1 (1.35%) Amazon EC2
Communications & Networking
1 1 (1.35%) SMTP
1 1 (1.35%) Firewall
Database & Business Intelligence
1 36 (48.65%) SQL Server
2 8 (10.81%) MongoDB
2 8 (10.81%) NoSQL
2 8 (10.81%) SQL Server 2012
2 8 (10.81%) SQL Server 2008
3 4 (5.41%) MarkLogic
3 4 (5.41%) Triplestore
3 4 (5.41%) Oracle Database
3 4 (5.41%) SQL Server Reporting Services
3 4 (5.41%) SQL Server Integration Services
4 3 (4.05%) Hadoop
5 2 (2.70%) Redis
5 2 (2.70%) Riak
5 2 (2.70%) Mahout
6 1 (1.35%) SQL Server 2000
6 1 (1.35%) MySQL
Development Applications
1 30 (40.54%) NUnit
2 16 (21.62%) Git (software)
3 14 (18.92%) Visual Studio
4 10 (13.51%) Team Foundation Server
5 9 (12.16%) TeamCity
6 7 (9.46%) Moq
6 7 (9.46%) SpecFlow
7 6 (8.11%) Mockito
7 6 (8.11%) ProC
8 5 (6.76%) CruiseControl
8 5 (6.76%) MSTest
8 5 (6.76%) Build Forge
8 5 (6.76%) Hudson
8 5 (6.76%) Jenkins
9 4 (5.41%) MSBuild
9 4 (5.41%) Rhino Mocks
9 4 (5.41%) JUnit
9 4 (5.41%) Maven
10 3 (4.05%) JIRA
10 3 (4.05%) ReSharper
General
1 16 (21.62%) Finance
2 13 (17.57%) Retail
3 7 (9.46%) Banking
4 3 (4.05%) Front Office
4 3 (4.05%) Back Office
5 2 (2.70%) Investment Banking
5 2 (2.70%) Advertising
5 2 (2.70%) Publishing
6 1 (1.35%) Telecoms
6 1 (1.35%) Manufacturing
Job Titles
1 64 (86.49%) Developer
2 23 (31.08%) Senior Developer
3 20 (27.03%) .NET Developer
4 17 (22.97%) Android Developer
5 12 (16.22%) Java Developer
6 10 (13.51%) C# Developer
7 9 (12.16%) Lead Developer
8 7 (9.46%) C# .NET Developer
8 7 (9.46%) Senior Android Developer
9 6 (8.11%) Lead Android Developer
9 6 (8.11%) Senior Java Developer
10 4 (5.41%) Senior .NET Developer
10 4 (5.41%) Silverlight Developer
11 3 (4.05%) Senior C# Developer
11 3 (4.05%) Web Developer
12 2 (2.70%) Senior Consultant
12 2 (2.70%) Consultant
12 2 (2.70%) Architect
12 2 (2.70%) Software Engineer
12 2 (2.70%) .NET Consultant
Libraries, Frameworks & Software Standards
1 38 (51.35%) .NET
2 33 (44.59%) HTML
3 31 (41.89%) CSS
3 31 (41.89%) Web Services
4 27 (36.49%) .NET Framework
5 22 (29.73%) Ajax
6 19 (25.68%) WCF
7 18 (24.32%) WPF
7 18 (24.32%) ASP.NET
7 18 (24.32%) Entity Framework
8 17 (22.97%) ASP.NET MVC
8 17 (22.97%) Android SDK
8 17 (22.97%) Spring
9 13 (17.57%) AngularJS
10 12 (16.22%) Unity DI Container
10 12 (16.22%) ASP.NET Web API
11 11 (14.86%) jQuery
12 7 (9.46%) JSON
12 7 (9.46%) Silverlight
12 7 (9.46%) J2EE
Miscellaneous
1 18 (24.32%) Mobile App
2 6 (8.11%) Analytical Skills
3 5 (6.76%) Derivative
3 5 (6.76%) Equity Derivative
4 4 (5.41%) Semantic Web
5 3 (4.05%) Hedge funds
6 2 (2.70%) Management Information System
6 2 (2.70%) PKI
7 1 (1.35%) Video on Demand
7 1 (1.35%) Mathematics
7 1 (1.35%) Physics
7 1 (1.35%) Computer Science
7 1 (1.35%) Social Network
7 1 (1.35%) N-Tier
Operating Systems
1 17 (22.97%) Android
2 5 (6.76%) Windows
3 3 (4.05%) Linux
3 3 (4.05%) UNIX
4 2 (2.70%) Red Hat Enterprise Linux
5 1 (1.35%) Mac OS
5 1 (1.35%) Apple iOS
5 1 (1.35%) Windows 8
5 1 (1.35%) Windows XP
Processes & Methodologies
1 58 (78.38%) TDD
2 39 (52.70%) MVC
3 34 (45.95%) Agile Software Development
4 30 (40.54%) OO
5 25 (33.78%) OOP
6 22 (29.73%) Continuous Integration
6 22 (29.73%) Dependency Injection
7 19 (25.68%) Scrum
8 17 (22.97%) BDD
8 17 (22.97%) Android Development
9 15 (20.27%) Unit Testing
10 14 (18.92%) SOA
11 11 (14.86%) MVVM
12 10 (13.51%) Pair Programming
13 8 (10.81%) UML
13 8 (10.81%) Mentoring
14 7 (9.46%) Low Latency
14 7 (9.46%) Software Engineering
15 6 (8.11%) Extreme Programming
15 6 (8.11%) Memory Management
Programming Languages
1 34 (45.95%) SQL
2 33 (44.59%) C#
3 19 (25.68%) Java
4 17 (22.97%) JavaScript
5 10 (13.51%) T-SQL
6 7 (9.46%) XAML
7 3 (4.05%) PL/SQL
7 3 (4.05%) PowerShell
7 3 (4.05%) SPARQL
8 2 (2.70%) XPath
8 2 (2.70%) VBA
8 2 (2.70%) Python
8 2 (2.70%) XQuery
9 1 (1.35%) VB6
9 1 (1.35%) VB
9 1 (1.35%) VB.NET
9 1 (1.35%) PHP
Qualifications
1 5 (6.76%) Degree
Vendors
1 32 (43.24%) Microsoft
2 11 (14.86%) Oracle
3 6 (8.11%) Infragistics
4 5 (6.76%) TIBCO
5 4 (5.41%) Twitter
5 4 (5.41%) Google
6 2 (2.70%) SAP
6 2 (2.70%) Red Hat
7 1 (1.35%) Atlassian
7 1 (1.35%) Sitecore
7 1 (1.35%) Facebook