Period
to 19 December 2018

The following table provides summary statistics for contract job vacancies advertised in the West Midlands 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 6 months to 19 December 2018 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 > West Midlands
6 months to
19 Dec 2018
Same period 2017 Same period 2016
Rank 197 190 207
Rank change year-on-year -7 +17 -26
Contract jobs citing Inversion of Control 6 4 3
As % of all contract IT jobs advertised in the West Midlands 0.12% 0.083% 0.051%
As % of the Processes & Methodologies category 0.13% 0.098% 0.061%
Number of daily rates quoted 4 4 1
West Midlands median daily rate £375 £350 £288
Median daily rate % change year-on-year +7.14% +21.74% -
10th Percentile £363 £298 £281
90th Percentile £423 £350 £294
England median daily rate £450 £475 £380
% change year-on-year -5.26% +25.00% -5.00%
Number of hourly rates quoted 0 0 0
West Midlands median hourly rate - - -
England median hourly rate - - -

Inversion of Control is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the West Midlands with a requirement for process or methodology skills.

All Process and Methodology Skills
West Midlands
Contract vacancies with a requirement for process or methodology skills 4,482 4,072 4,943
As % of all contract IT jobs advertised in the West Midlands 86.79% 84.03% 84.21%
Number of daily rates quoted 2,771 2,637 2,958
West Midlands median daily rate £425 £400 £400
Median daily rate % change year-on-year +6.25% - +6.67%
10th Percentile £275 £243 £250
90th Percentile £575 £550 £550
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% -
Number of hourly rates quoted 145 141 145
West Midlands median hourly rate £15.86 £25.12 £17.00
Median hourly rate % change year-on-year -36.86% +47.76% -15.00%
10th Percentile £10.93 £11.75 £10.61
90th Percentile £43.75 £48.75 £41.47
England median hourly rate £22.50 £25.00 £23.50
% change year-on-year -10.00% +6.38% +6.82%

Inversion of Control
Job Vacancy Trend in the West Midlands

Job postings citing Inversion of Control as a percentage of all IT jobs advertised in the West Midlands.

Job vacancy trend for Inversion of Control in the West Midlands

Inversion of Control
Contractor Daily Rate Trend in the West Midlands

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

Contractor daily rate trend for Inversion of Control in the West Midlands

Inversion of Control
Contract Job Locations in the West Midlands

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 West Midlands region over the 6 months to 19 December 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Coventry - 3 £425 -
Warwickshire - 3 £375 -
Inversion of Control
England

For the 6 months to 19 December 2018, IT contractor jobs citing Inversion of Control also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the West Midlands region with a requirement for Inversion of Control.

1 6 (100.00%) C#
1 6 (100.00%) .NET
2 4 (66.67%) .NET Framework
2 4 (66.67%) .NET Core
3 3 (50.00%) Code First Entity Framework
3 3 (50.00%) Sass
3 3 (50.00%) AngularJS
3 3 (50.00%) HTML5
3 3 (50.00%) Git (software)
3 3 (50.00%) LINQ
3 3 (50.00%) Microsoft Azure
3 3 (50.00%) Entity Framework
3 3 (50.00%) Castle Windsor
3 3 (50.00%) CSS3
3 3 (50.00%) Agile Software Development
3 3 (50.00%) TDD
3 3 (50.00%) NUnit
3 3 (50.00%) HTML
3 3 (50.00%) SQL
3 3 (50.00%) CSS
4 2 (33.33%) ASP.NET
4 2 (33.33%) MVC
4 2 (33.33%) Scrum
4 2 (33.33%) ASP.NET MVC
4 2 (33.33%) Continuous Integration
4 2 (33.33%) Kanban
4 2 (33.33%) RESTful
4 2 (33.33%) PowerShell
4 2 (33.33%) BDD
4 2 (33.33%) SOLID

Inversion of Control
Co-occurring IT Skills in the West Midlands 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:

Cloud Services
1 3 (50.00%) Microsoft Azure
2 2 (33.33%) Serverless
3 1 (16.67%) Azure Functions
Database & Business Intelligence
1 1 (16.67%) SQL Server
Development Applications
1 3 (50.00%) Git (software)
1 3 (50.00%) NUnit
2 1 (16.67%) Visual Studio
2 1 (16.67%) Visual Studio Team System
Job Titles
1 6 (100.00%) Developer
2 4 (66.67%) Software Developer
3 3 (50.00%) .NET Developer
4 2 (33.33%) C# .NET Developer
4 2 (33.33%) C# Developer
5 1 (16.67%) .NET Software Developer
5 1 (16.67%) Agile .NET Developer
5 1 (16.67%) Agile C# Developer
5 1 (16.67%) Agile Developer
5 1 (16.67%) Backend Developer
5 1 (16.67%) C# Software Developer
5 1 (16.67%) Cloud Developer
Libraries, Frameworks & Software Standards
1 6 (100.00%) .NET
2 4 (66.67%) .NET Core
2 4 (66.67%) .NET Framework
3 3 (50.00%) AngularJS
3 3 (50.00%) Castle Windsor
3 3 (50.00%) Code First Entity Framework
3 3 (50.00%) CSS
3 3 (50.00%) CSS3
3 3 (50.00%) Entity Framework
3 3 (50.00%) HTML
3 3 (50.00%) HTML5
3 3 (50.00%) LINQ
3 3 (50.00%) Sass
4 2 (33.33%) ASP.NET
4 2 (33.33%) ASP.NET MVC
4 2 (33.33%) RESTful
5 1 (16.67%) ASP.NET Web API
Miscellaneous
1 1 (16.67%) Enterprise Software
Processes & Methodologies
1 3 (50.00%) Agile Software Development
1 3 (50.00%) TDD
2 2 (33.33%) BDD
2 2 (33.33%) Continuous Integration
2 2 (33.33%) Kanban
2 2 (33.33%) MVC
2 2 (33.33%) Scrum
2 2 (33.33%) SOLID
3 1 (16.67%) AOP
3 1 (16.67%) Dependency Injection
3 1 (16.67%) Software Delivery
Programming Languages
1 6 (100.00%) C#
2 3 (50.00%) SQL
3 2 (33.33%) PowerShell
4 1 (16.67%) JavaScript
Vendors
1 1 (16.67%) Microsoft