The following table provides summary statistics for contract job vacancies advertised in the South East with a requirement for Inversion of Control skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Inversion of Control over the 3 months to 25 June 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Inversion of Control (IoC)
England / South East
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 235 - 259
Rank change year-on-year - 0  
Contract jobs citing Inversion of Control 3 0 11
As % of all contract IT jobs advertised in the South East 0.039% - 0.12%
As % of the Processes & Methodologies category 0.047% - 0.14%
Number of daily rates quoted 3 0 10
Median daily rate £400 - £315
90% offered a daily rate of more than £372 - £275
10% offered a daily rate of more than £410 - £396
UK excluding London median daily rate £345 £355 £325
% change year-on-year -2.81% +9.23%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Inversion of Control is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the South East with a requirement for process and methodology skills.

Contract Process & Methodology Skills
South East
Contract job vacancies with a requirement for process and methodology skills 6342 7222 7635
As % of all contract IT job vacancies advertised in the South East 83.03% 81.98% 80.69%
Number of daily rates quoted 3718 4417 4412
Median daily rate £425 £413 £400
Median daily rate % change year-on-year +3.03% +3.12%  
90% offered a daily rate of more than £300 £288 £275
10% offered a daily rate of more than £550 £538 £520
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 231 268 264
Median hourly rate £29.92 £32.00 £26.00
Median hourly rate % change year-on-year -6.50% +23.07%  
90% offered a hourly rate of more than £12.00 £12.50 £12.50
10% offered a hourly rate of more than £55.00 £52.50 £47.50
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

Inversion of Control
Job Vacancy Trend in the South East

The job posting trend of jobs advertised in the South East citing Inversion of Control as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Inversion of Control in the South East

Inversion of Control
Contractor Daily Rate Trend in the South East

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

Contractor daily rate trend for Inversion of Control in the South East

Inversion of Control
Contractor Hourly Rate Trend in the South East

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

Contractor hourly rate trend for Inversion of Control in the South East

Inversion of Control
Contract Job Locations in the South East

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 South East region over the 3 months to 25 June 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
West Sussex - 3 £400 -
Inversion of Control
England

For the 6 months to 25 June 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 across the South East region with a requirement for Inversion of Control.

1 6 (100.00%) JavaScript
1 6 (100.00%) C#
1 6 (100.00%) .NET
1 6 (100.00%) ASP.NET
1 6 (100.00%) MVC
2 5 (83.33%) Agile Software Development
2 5 (83.33%) SQL Server
2 5 (83.33%) SQL
2 5 (83.33%) ASP.NET Web API
3 4 (66.67%) TypeScript
3 4 (66.67%) TDD
3 4 (66.67%) Visual Studio
3 4 (66.67%) jQuery
3 4 (66.67%) ASP.NET MVC
3 4 (66.67%) AngularJS
4 3 (50.00%) NoSQL
4 3 (50.00%) Entity Framework
4 3 (50.00%) Continuous Integration
4 3 (50.00%) Git (software)
4 3 (50.00%) Web Development
4 3 (50.00%) .NET Framework
4 3 (50.00%) WCF
4 3 (50.00%) RDBMS
4 3 (50.00%) Microsoft
4 3 (50.00%) CSS
4 3 (50.00%) Relational Database
4 3 (50.00%) SQL Server 2012
4 3 (50.00%) Enterprise Software
4 3 (50.00%) SQL Server 2016
5 2 (33.33%) ASP.NET MVC 5

Inversion of Control
Co-occurring IT Skills in the South East 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 2 (33.33%) CMS
1 2 (33.33%) IIS
2 1 (16.67%) EPiServer
Applications
1 2 (33.33%) Spreadsheet
Communications & Networking
1 2 (33.33%) DNS
1 2 (33.33%) Kerberos
Database & Business Intelligence
1 5 (83.33%) SQL Server
2 3 (50.00%) NoSQL
2 3 (50.00%) RDBMS
2 3 (50.00%) Relational Database
2 3 (50.00%) SQL Server 2012
2 3 (50.00%) SQL Server 2016
3 2 (33.33%) Redis
3 2 (33.33%) SQL Server 2008
3 2 (33.33%) SQL Server 2014
3 2 (33.33%) SQL Server Integration Services
3 2 (33.33%) SQL Server Reporting Services
Development Applications
1 4 (66.67%) Visual Studio
2 3 (50.00%) Git (software)
3 2 (33.33%) Balsamiq Mockups
3 2 (33.33%) Hudson
3 2 (33.33%) Jenkins
3 2 (33.33%) MSI
3 2 (33.33%) NUnit
3 2 (33.33%) Octopus Deploy
3 2 (33.33%) ReSharper
3 2 (33.33%) Selenium
3 2 (33.33%) SpecFlow
3 2 (33.33%) Team Foundation Server
3 2 (33.33%) TeamCity
3 2 (33.33%) Visual Studio Team System
3 2 (33.33%) WiX
General
1 2 (33.33%) Back Office
Job Titles
1 5 (83.33%) Developer
2 4 (66.67%) .NET Developer
3 3 (50.00%) C# .NET Developer
3 3 (50.00%) C# Developer
4 2 (33.33%) Angular Developer
5 1 (16.67%) ASP.NET Developer
5 1 (16.67%) ASP.NET MVC Developer
5 1 (16.67%) C# ASP.NET Developer
Libraries, Frameworks & Software Standards
1 6 (100.00%) .NET
1 6 (100.00%) ASP.NET
2 5 (83.33%) ASP.NET Web API
3 4 (66.67%) AngularJS
3 4 (66.67%) ASP.NET MVC
3 4 (66.67%) jQuery
4 3 (50.00%) .NET Framework
4 3 (50.00%) CSS
4 3 (50.00%) Entity Framework
4 3 (50.00%) WCF
5 2 (33.33%) Ajax
5 2 (33.33%) AppFabric
5 2 (33.33%) ASP.NET MVC 4
5 2 (33.33%) Breeze.js
5 2 (33.33%) Durandal
5 2 (33.33%) HTML
5 2 (33.33%) Kendo UI
5 2 (33.33%) Unity DI Container
5 2 (33.33%) Web Services
5 2 (33.33%) XML
Miscellaneous
1 3 (50.00%) Enterprise Software
2 1 (16.67%) Greenfield Project
Operating Systems
1 2 (33.33%) Windows
Processes & Methodologies
1 6 (100.00%) MVC
2 5 (83.33%) Agile Software Development
3 4 (66.67%) TDD
4 3 (50.00%) Continuous Integration
4 3 (50.00%) Web Development
5 2 (33.33%) BDD
5 2 (33.33%) Change Data Capture
5 2 (33.33%) DevOps
5 2 (33.33%) Domain-Driven Design
5 2 (33.33%) Full Text Search
5 2 (33.33%) Kanban
5 2 (33.33%) Microservices
5 2 (33.33%) OWASP
5 2 (33.33%) Release Management
5 2 (33.33%) Root Cause Analysis
5 2 (33.33%) Scrum
5 2 (33.33%) Scrum-ban
5 2 (33.33%) SOLID
5 2 (33.33%) Waterfall
6 1 (16.67%) Software Engineering
Programming Languages
1 6 (100.00%) C#
1 6 (100.00%) JavaScript
2 5 (83.33%) SQL
3 4 (66.67%) TypeScript
4 2 (33.33%) T-SQL
4 2 (33.33%) VB
Qualifications
1 1 (16.67%) SC Cleared
1 1 (16.67%) Security Cleared
Vendors
1 3 (50.00%) Microsoft
2 2 (33.33%) DevExpress