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 February 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 Feb 2015
Same period 2014 Same period 2013
Inversion of Control (IoC)
Rank 365 349 346
Rank change year-on-year
-16 -3
Contract jobs citing Inversion of Control 34 35 25
As % of all contract IT jobs located in London 0.16% 0.16% 0.13%
As % of the Miscellaneous category 0.45% 0.43% 0.33%
Number of daily rates quoted 28 24 25
Average daily rate
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of your Daily Rate
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£425 £411 £525
Average daily rate % change year-on-year
+3.34% -21.66%
90% offered a daily rate of more than £400 £336 £355
10% offered a daily rate of more than £515 £500 £590
UK excluding London average daily rate £400 £375 £300
% change year-on-year
+6.66% +25.00%
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
7524 8121 7522
As % of all contract IT jobs located in London 35.44% 37.37% 38.00%
Number of daily rates quoted 5219 5550 5336
Average daily rate £450 £450 £455
Average daily rate % change year-on-year
- -1.09%
90% offered a daily rate of more than £298 £263 £275
10% offered a daily rate of more than £630 £650 £625
UK excluding London average daily rate £375 £350 £335
% change year-on-year
+7.14% +4.47%
Number of hourly rates quoted 126 168 157
Average hourly rate £20.00 £24.00 £21.00
Average hourly rate % change year-on-year
-16.66% +14.28%
90% offered a hourly rate of more than £13.48 £14.85 £13.00
10% offered a hourly rate of more than £40.00 £52.50 £48.75
UK excluding London average hourly rate £18.50 £18.50 £20.00
% change year-on-year
- -7.50%

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 February 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 February 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 £435 +2.30% 1
Isleworth - - - - 1
Kingston Upon Thames - - - -
Uxbridge - - - - 1
Inversion of Control
England

Inversion of Control
Top 30 Related IT Skills in London

For the 6 months to 27 February 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 65 (77.38%) TDD
2 62 (73.81%) .NET
3 57 (67.86%) C#
4 56 (66.67%) MVC
5 45 (53.57%) SQL Server
6 43 (51.19%) SQL
7 41 (48.81%) .NET Framework
8 40 (47.62%) Agile Software Development
9 36 (42.86%) WCF
10 35 (41.67%) HTML
11 34 (40.48%) Microsoft
12 33 (39.29%) JavaScript
12 33 (39.29%) ASP.NET
13 32 (38.10%) ASP.NET MVC
14 30 (35.71%) HTML5
14 30 (35.71%) CSS
14 30 (35.71%) Web Services
15 26 (30.95%) SOA
15 26 (30.95%) jQuery
16 25 (29.76%) ADO.NET Entity Framework
17 24 (28.57%) BDD
17 24 (28.57%) OO
18 22 (26.19%) T-SQL
18 22 (26.19%) KnockoutJS
19 18 (21.43%) MS Excel
19 18 (21.43%) Unity DI Container
20 17 (20.24%) Derivative
20 17 (20.24%) XML
20 17 (20.24%) Java
21 16 (19.05%) Oracle

Inversion of Control
Top Related IT Skills in London by Category

For the 6 months to 27 February 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 12 (14.29%) CMS
2 10 (11.90%) IIS
3 7 (8.33%) EPiServer CMS
4 6 (7.14%) SharePoint
4 6 (7.14%) BizTalk Server
5 5 (5.95%) Sitecore CMS
6 3 (3.57%) Apache
6 3 (3.57%) Node.js
7 2 (2.38%) Tomcat
8 1 (1.19%) Elasticsearch
8 1 (1.19%) Oracle Coherence
Applications
1 18 (21.43%) MS Excel
Business Applications
1 1 (1.19%) Summit
Cloud Services
1 8 (9.52%) Amazon EC2
2 5 (5.95%) Amazon S3
2 5 (5.95%) Amazon AWS
2 5 (5.95%) Amazon SQS
2 5 (5.95%) ElastiCache
2 5 (5.95%) Amazon ElastiCache
Communications & Networking
1 3 (3.57%) HTTP
2 2 (2.38%) Internet
Database & Business Intelligence
1 45 (53.57%) SQL Server
2 12 (14.29%) SQL Server 2008
3 8 (9.52%) SQL Server 2012
4 5 (5.95%) Relational Database
5 3 (3.57%) Oracle Database
6 1 (1.19%) Big Data
6 1 (1.19%) RDBMS
Development Applications
1 15 (17.86%) NUnit
2 9 (10.71%) ProC
2 9 (10.71%) SpecFlow
3 8 (9.52%) Team Foundation Server
4 7 (8.33%) Ant
4 7 (8.33%) Subversion
4 7 (8.33%) Maven
5 6 (7.14%) Git (software)
6 5 (5.95%) Rhino Mocks
6 5 (5.95%) Moq
6 5 (5.95%) JIRA
7 4 (4.76%) CruiseControl
7 4 (4.76%) TeamCity
7 4 (4.76%) MSTest
7 4 (4.76%) MSBuild
7 4 (4.76%) Jenkins
8 3 (3.57%) Grunt
8 3 (3.57%) Karma Test Runner
8 3 (3.57%) Bower
8 3 (3.57%) Jasmine
General
1 15 (17.86%) Finance
2 14 (16.67%) Banking
3 11 (13.10%) Investment Banking
4 4 (4.76%) Financial Institution
5 2 (2.38%) Back Office
6 1 (1.19%) Front Office
6 1 (1.19%) Marketing
Job Titles
1 66 (78.57%) Developer
2 25 (29.76%) .NET Developer
3 20 (23.81%) Senior Developer
4 18 (21.43%) C# Developer
5 15 (17.86%) Senior .NET Developer
6 12 (14.29%) C# .NET Developer
7 10 (11.90%) Agile .NET Developer
8 7 (8.33%) Architect
9 6 (7.14%) Technical Leader
10 5 (5.95%) Agile C# Developer
10 5 (5.95%) Development Manager
11 4 (4.76%) Technical Architect
11 4 (4.76%) Senior C# Developer
12 3 (3.57%) Java Developer
12 3 (3.57%) Android Developer
12 3 (3.57%) JavaScript Developer
13 2 (2.38%) Front-End Developer
13 2 (2.38%) Lead C# Developer
13 2 (2.38%) .NET Architect
13 2 (2.38%) Analyst Developer
Libraries, Frameworks & Software Standards
1 62 (73.81%) .NET
2 41 (48.81%) .NET Framework
3 36 (42.86%) WCF
4 35 (41.67%) HTML
5 33 (39.29%) ASP.NET
6 32 (38.10%) ASP.NET MVC
7 30 (35.71%) HTML5
7 30 (35.71%) CSS
7 30 (35.71%) Web Services
8 26 (30.95%) jQuery
9 25 (29.76%) ADO.NET Entity Framework
10 22 (26.19%) KnockoutJS
11 18 (21.43%) Unity DI Container
12 17 (20.24%) XML
13 16 (19.05%) WPF
13 16 (19.05%) ASP.NET Web API
14 15 (17.86%) Ajax
15 14 (16.67%) RESTful
16 13 (15.48%) AngularJS
17 12 (14.29%) CSS3
Miscellaneous
1 17 (20.24%) Derivative
2 12 (14.29%) Mobile App
3 10 (11.90%) Equity Derivative
4 5 (5.95%) Computer Science
4 5 (5.95%) Data Integration
4 5 (5.95%) Open Source
5 4 (4.76%) Equities
6 3 (3.57%) N-Tier
6 3 (3.57%) Foreign Exchange (FX)
6 3 (3.57%) Visualisation
7 2 (2.38%) Fixed Income
7 2 (2.38%) Hedge funds
7 2 (2.38%) Client/Server
8 1 (1.19%) Digital Media
8 1 (1.19%) Enterprise Software
8 1 (1.19%) Tandem
8 1 (1.19%) Credit Derivative
Operating Systems
1 11 (13.10%) Windows
2 4 (4.76%) UNIX
3 3 (3.57%) Android
4 2 (2.38%) Apple iOS
Processes & Methodologies
1 65 (77.38%) TDD
2 56 (66.67%) MVC
3 40 (47.62%) Agile Software Development
4 26 (30.95%) SOA
5 24 (28.57%) OO
5 24 (28.57%) BDD
6 16 (19.05%) Scrum
7 15 (17.86%) OOP
8 12 (14.29%) Dependency Injection
9 10 (11.90%) MVVM
9 10 (11.90%) Domain-Driven Design
9 10 (11.90%) Software Engineering
9 10 (11.90%) Memory Management
10 9 (10.71%) DevOps
11 8 (9.52%) E-Commerce
12 6 (7.14%) Continuous Integration
12 6 (7.14%) Release Management
12 6 (7.14%) Technical Architecture
13 5 (5.95%) Incident Management
13 5 (5.95%) Project Management
Programming Languages
1 57 (67.86%) C#
2 43 (51.19%) SQL
3 33 (39.29%) JavaScript
4 22 (26.19%) T-SQL
5 17 (20.24%) Java
6 7 (8.33%) PL/SQL
6 7 (8.33%) Scala
7 5 (5.95%) Groovy
8 4 (4.76%) Shell Script
9 2 (2.38%) XAML
9 2 (2.38%) Clojure
10 1 (1.19%) PowerShell
10 1 (1.19%) VBA
Qualifications
1 9 (10.71%) Degree
2 1 (1.19%) SC Cleared
2 1 (1.19%) CTC Cleared
2 1 (1.19%) Security Cleared
Quality Assurance & Compliance
1 2 (2.38%) EMIR
1 2 (2.38%) Dodd-Frank
Vendors
1 34 (40.48%) Microsoft
2 16 (19.05%) Oracle
3 10 (11.90%) Infragistics
4 7 (8.33%) EPiServer
5 6 (7.14%) Sitecore
6 3 (3.57%) Reuters
6 3 (3.57%) Red Gate
6 3 (3.57%) Telerik
7 2 (2.38%) Google
7 2 (2.38%) Twitter
7 2 (2.38%) Bloomberg
8 1 (1.19%) DevExpress
8 1 (1.19%) Syncfusion
8 1 (1.19%) Sybase
8 1 (1.19%) Calypso