The table below looks at the prevalence of the term Inversion of Control in IT contracts advertised across the UK. Included is a guide to the contractor rates offered in IT contracts that have cited Inversion of Control over the 3 months to 20 January 2017 with a comparison to the same period over 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.

3 months to
20 Jan 2017
Same period 2016 Same period 2015
Inversion of Control (IoC)
UK
Rank 539 557 545
Rank change year-on-year
+18 -12
Contract jobs citing Inversion of Control 58 65 59
As % of all contract IT jobs located in the UK 0.13% 0.13% 0.12%
As % of the Miscellaneous category 0.40% 0.39% 0.37%
Number of daily rates quoted 47 48 37
Median daily rate £358 £350 £415
Median daily rate % change year-on-year
+2.14% -15.66%
90% offered a daily rate of more than £190 £300 £288
10% offered a daily rate of more than £510 £483 £485
UK excluding London median daily rate £343 £325 £325
% change year-on-year
+5.61% -
Number of hourly rates quoted 1 0 0
Median hourly rate £40.50 - -
UK excluding London median hourly rate £40.50 - -

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

Miscellaneous Category
UK
Contract IT job ads with a match in the
Miscellaneous category
14558 16732 16039
As % of all contract IT jobs located in the UK 32.52% 32.94% 31.52%
Number of daily rates quoted 9299 10629 10061
Median daily rate £440 £425 £420
Median daily rate % change year-on-year
+3.52% +1.19%
90% offered a daily rate of more than £250 £240 £240
10% offered a daily rate of more than £625 £620 £600
UK excluding London median daily rate £390 £375 £365
% change year-on-year
+4.00% +2.73%
Number of hourly rates quoted 539 694 649
Median hourly rate £21.00 £21.50 £17.55
Median hourly rate % change year-on-year
-2.32% +22.50%
90% offered a hourly rate of more than £11.33 £12.50 £11.50
10% offered a hourly rate of more than £48.50 £50.00 £40.00
UK excluding London median hourly rate £18.88 £21.50 £17.50
% change year-on-year
-12.20% +22.85%

Inversion of Control
Jobs Demand Trend

The demand trend of contract jobs citing Inversion of Control as a proportion of all IT contracts with a match in the Miscellaneous category.

Inversion of Control Jobs Demand Trend in the UK

Inversion of Control
Daily Rate Trend

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

Inversion of Control Daily Rate Trend in the UK

Inversion of Control
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing Inversion of Control within the UK over the 3 months to 20 January 2017.

Inversion of Control Daily Rate Histogram in the UK

Inversion of Control
Hourly Rate Trend

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing Inversion of Control within the UK.

Inversion of Control Hourly Rate Trend in the UK

Inversion of Control
Top 22 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Inversion of Control within the UK over the 3 months to 20 January 2017. 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 Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +31 50 £363 -9.37% 34
London +8 31 £358 -14.62% 16
North West +32 7 £375 +15.38% 6
Cardiff +14 7 £185 -42.63%
South Wales +8 7 £185 -42.63% 1
Wales -4 7 £185 -42.63% 2
Manchester +24 6 £375 +15.38% 2
East of England +4 4 £325 -13.33%
City of London -4 4 £345 +4.54% 4
Sheffield - 3 £350 -
South Yorkshire - 3 £350 -
Yorkshire - 3 £350 -
Suffolk - 3 £325 -
South East +11 2 £300 - 5
Brighton +6 2 £300 -
East Sussex +4 2 £300 - 1
Ipswich - 2 £325 -
West Midlands - 2 £610 - 4
Coventry - 2 £610 - 2
Hertfordshire -3 1 £363 -
Knutsford - 1 £338 -
Cheshire - 1 £338 - 2

Inversion of Control
Top 30 Related IT Skills

For the 6 months to 20 January 2017, IT contractor jobs citing Inversion of Control also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for Inversion of Control.

1 77 (66.38%) .NET
2 73 (62.93%) C#
2 73 (62.93%) MVC
3 69 (59.48%) Agile Software Development
4 58 (50.00%) SQL
5 49 (42.24%) SQL Server
6 45 (38.79%) TDD
6 45 (38.79%) Finance
7 37 (31.90%) Scrum
7 37 (31.90%) ASP.NET
8 35 (30.17%) T-SQL
9 34 (29.31%) JavaScript
10 33 (28.45%) jQuery
10 33 (28.45%) Entity Framework
11 32 (27.59%) .NET Framework
11 32 (27.59%) Spring
11 32 (27.59%) Dependency Injection
11 32 (27.59%) Java
12 31 (26.72%) REST
13 30 (25.86%) Git (software)
13 30 (25.86%) WCF
14 27 (23.28%) Team Foundation Server
14 27 (23.28%) ASP.NET MVC
15 26 (22.41%) Microsoft
16 25 (21.55%) SOLID
17 24 (20.69%) Web Services
18 23 (19.83%) Unity DI Container
19 22 (18.97%) AngularJS
19 22 (18.97%) HTML
19 22 (18.97%) BDD

Inversion of Control
Top Related IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 13 (11.21%) Tomcat
2 10 (8.62%) Jetty
3 6 (5.17%) IIS
4 4 (3.45%) Apache
4 4 (3.45%) Apache Spark
4 4 (3.45%) JBoss
4 4 (3.45%) NServiceBus
4 4 (3.45%) WebLogic
4 4 (3.45%) WebSphere
4 4 (3.45%) WebSphere Application Server
5 3 (2.59%) GlassFish
5 3 (2.59%) MS Project Server
5 3 (2.59%) Oracle SOA Suite
5 3 (2.59%) SharePoint
5 3 (2.59%) SharePoint 2010
5 3 (2.59%) SharePoint 2013
5 3 (2.59%) WebLogic Integration
5 3 (2.59%) WebLogic Portal
5 3 (2.59%) WebSphere Process Server
6 1 (0.86%) BizTalk Server
Applications
1 11 (9.48%) MS Excel
2 3 (2.59%) MS Project
Business Applications
1 3 (2.59%) Oracle BPM
2 1 (0.86%) Unit4 Business World
Cloud Services
1 20 (17.24%) Microsoft Azure
2 13 (11.21%) Amazon AWS
3 6 (5.17%) Amazon EC2
3 6 (5.17%) Amazon S3
3 6 (5.17%) AWS CloudFormation
4 1 (0.86%) IaaS
Communications & Networking
1 4 (3.45%) HTTP
2 2 (1.72%) Internet
3 1 (0.86%) SSL
Database & Business Intelligence
1 49 (42.24%) SQL Server
2 17 (14.66%) NoSQL
2 17 (14.66%) SQL Server Analysis Services
3 16 (13.79%) SQL Server Integration Services
3 16 (13.79%) SQL Server Reporting Services
4 12 (10.34%) RDBMS
4 12 (10.34%) Relational Database
5 10 (8.62%) MongoDB
6 7 (6.03%) MySQL
7 6 (5.17%) PostgreSQL
7 6 (5.17%) SQLite
8 5 (4.31%) Hadoop
8 5 (4.31%) SQL Server 2008
8 5 (4.31%) SQL Server 2012
9 4 (3.45%) Data Warehouse
10 3 (2.59%) MOLAP
10 3 (2.59%) Oracle Database
11 2 (1.72%) Amazon DynamoDB
11 2 (1.72%) DB2
11 2 (1.72%) RavenDB
Development Applications
1 30 (25.86%) Git (software)
2 27 (23.28%) Team Foundation Server
3 16 (13.79%) Maven
3 16 (13.79%) NUnit
4 14 (12.07%) Jenkins
5 12 (10.34%) MSBuild
6 10 (8.62%) JUnit
6 10 (8.62%) MSTest
6 10 (8.62%) Visual Studio
7 9 (7.76%) Build Forge
7 9 (7.76%) CruiseControl
7 9 (7.76%) Hudson
8 8 (6.90%) Moq
9 6 (5.17%) TestNG
10 5 (4.31%) SpecFlow
11 4 (3.45%) Gradle
11 4 (3.45%) NuGet
11 4 (3.45%) Subversion
12 3 (2.59%) Mercurial
12 3 (2.59%) TeamCity
General
1 45 (38.79%) Finance
2 9 (7.76%) Banking
3 4 (3.45%) Back Office
3 4 (3.45%) Front Office
4 2 (1.72%) Games
4 2 (1.72%) Prime Brokerage
5 1 (0.86%) Investment Banking
5 1 (0.86%) Retail
Job Titles
1 96 (82.76%) Developer
2 47 (40.52%) .NET Developer
3 33 (28.45%) C# Developer
4 29 (25.00%) Java Developer
5 26 (22.41%) SQL Developer
6 22 (18.97%) C# .NET Developer
7 20 (17.24%) Senior Developer
8 14 (12.07%) Architect
9 11 (9.48%) ASP.NET MVC Developer
9 11 (9.48%) Senior Java Developer
9 11 (9.48%) SQL Server Developer
10 10 (8.62%) Senior .NET Developer
11 9 (7.76%) .NET Architect
12 7 (6.03%) ASP.NET Developer
12 7 (6.03%) Front End Developer (Client-Side Developer)
12 7 (6.03%) J2EE Developer
12 7 (6.03%) Java/J2EE Developer
12 7 (6.03%) Technical Architect
13 6 (5.17%) Senior C# Developer
13 6 (5.17%) Software Developer
Libraries, Frameworks & Software Standards
1 77 (66.38%) .NET
2 37 (31.90%) ASP.NET
3 33 (28.45%) Entity Framework
3 33 (28.45%) jQuery
4 32 (27.59%) .NET Framework
4 32 (27.59%) Spring
5 31 (26.72%) REST
6 30 (25.86%) WCF
7 27 (23.28%) ASP.NET MVC
8 24 (20.69%) Web Services
9 23 (19.83%) Unity DI Container
10 22 (18.97%) AngularJS
10 22 (18.97%) HTML
11 21 (18.10%) ASP.NET Web API
11 21 (18.10%) Hibernate
12 20 (17.24%) JPA
12 20 (17.24%) RESTful
13 19 (16.38%) CSS
13 19 (16.38%) J2EE
13 19 (16.38%) JSON
Miscellaneous
1 12 (10.34%) Analytical Skills
2 11 (9.48%) Computer Science
2 11 (9.48%) Mobile App
3 7 (6.03%) Visualisation
4 6 (5.17%) Derivative
5 3 (2.59%) DataPower
6 2 (1.72%) Clustering
6 2 (1.72%) NHS
6 2 (1.72%) User Experience
7 1 (0.86%) Animation
7 1 (0.86%) Enterprise Software
7 1 (0.86%) Fintech
7 1 (0.86%) N-Tier
7 1 (0.86%) Statistics
7 1 (0.86%) W3C
Operating Systems
1 21 (18.10%) Windows
2 14 (12.07%) Linux
3 9 (7.76%) Unix
4 5 (4.31%) Ubuntu
5 1 (0.86%) Android
5 1 (0.86%) Apple iOS
5 1 (0.86%) Windows Server
Processes & Methodologies
1 73 (62.93%) MVC
2 69 (59.48%) Agile Software Development
3 45 (38.79%) TDD
4 37 (31.90%) Scrum
5 32 (27.59%) Dependency Injection
6 25 (21.55%) SOLID
7 22 (18.97%) BDD
8 21 (18.10%) Continuous Integration
9 19 (16.38%) Unit Testing
10 18 (15.52%) Mentoring
11 13 (11.21%) SDLC
11 13 (11.21%) Web Development
12 11 (9.48%) OO
13 10 (8.62%) Coaching
13 10 (8.62%) OOP
14 9 (7.76%) Business Analysis
15 8 (6.90%) DevOps
15 8 (6.90%) Migration
16 7 (6.03%) Data Visualisation
16 7 (6.03%) Performance Tuning
Programming Languages
1 73 (62.93%) C#
2 58 (50.00%) SQL
3 35 (30.17%) T-SQL
4 34 (29.31%) JavaScript
5 32 (27.59%) Java
6 17 (14.66%) PowerShell
7 14 (12.07%) VBA
8 5 (4.31%) TypeScript
9 4 (3.45%) Bash Shell
9 4 (3.45%) C
9 4 (3.45%) Python
9 4 (3.45%) VB
9 4 (3.45%) VB.NET
9 4 (3.45%) VB6
10 3 (2.59%) PL/SQL
11 2 (1.72%) Perl
12 1 (0.86%) C++
12 1 (0.86%) MATLAB
12 1 (0.86%) Objective-C
12 1 (0.86%) XQuery
Qualifications
1 12 (10.34%) Degree
2 3 (2.59%) BPSS Clearance
3 2 (1.72%) Security Cleared
Quality Assurance & Compliance
1 6 (5.17%) QA
2 1 (0.86%) Disclosure Scotland
System Software
1 4 (3.45%) Docker
2 1 (0.86%) Virtual Machines
Systems Management
1 2 (1.72%) Opscode Chef
2 1 (0.86%) Ansible
2 1 (0.86%) Kubernetes
2 1 (0.86%) Marathon
2 1 (0.86%) Mesos
Vendors
1 26 (22.41%) Microsoft
2 13 (11.21%) Oracle
3 9 (7.76%) TIBCO
4 5 (4.31%) IBM
5 3 (2.59%) Kony
6 2 (1.72%) Google
6 2 (1.72%) Sybase
6 2 (1.72%) Telerik
6 2 (1.72%) Yahoo!
7 1 (0.86%) Apple
7 1 (0.86%) MuleSoft
7 1 (0.86%) Sitecore
7 1 (0.86%) Xamarin
Chorley, Lancashire
FT Select
Rate: From £35,000 to £40,000 per annum plus benefits
Posted: 2 days ago
Coventry, West Midlands (County)
Spring Technology
Rate: £500.00 - £550 per day
Posted: 4 days ago
All UK
TRG
Rate: 550 Per Day Plus excellent benefits
Posted: 23 days ago