The following table provides summary statistics for permanent job vacancies advertised in Essex with a requirement for Inversion of Control skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Inversion of Control over the 3 months to 27 June 2017 with a comparison to the same period in the previous 2 years.

Inversion of Control (IoC)
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank - 89 93
Permanent jobs citing Inversion of Control 0 4 6
As % of all permanent IT jobs advertised in Essex - 0.40% 0.49%
As % of the Processes & Methodologies category - 0.48% 0.56%
Number of salaries quoted 0 2 6
Median salary - £30,000 £31,750
Median salary % change year-on-year - -5.51%  
UK excluding London median salary £44,000 £40,000 £40,000
% change year-on-year +10.00% -  

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 permanent job vacancies advertised in Essex with a requirement for process and methodology skills.

Process & Methodology Skills
Essex
Permanent job vacancies with a requirement for process and methodology skills 804 838 1075
As % of all permanent IT job vacancies advertised in Essex 84.37% 82.81% 87.47%
Number of salaries quoted 652 669 823
Median salary £50,000 £45,000 £44,500
Median salary % change year-on-year +11.11% +1.12%  
90% offered a salary of more than £32,500 £27,500 £30,000
10% offered a salary of more than £65,000 £65,000 £62,500
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

Inversion of Control
Job Vacancy Trend in Essex

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

Job vacancy trend for Inversion of Control in Essex

Inversion of Control
Salary Trend in Essex

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Inversion of Control in Essex.

Salary trend for Inversion of Control in Essex

For the 6 months to 27 June 2017, IT 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 job ads across the Essex region with a requirement for Inversion of Control.

1 2 (100.00%) C#
1 2 (100.00%) HTML
1 2 (100.00%) JavaScript
1 2 (100.00%) .NET
1 2 (100.00%) SQL Server
1 2 (100.00%) IIS
1 2 (100.00%) ASP.NET
1 2 (100.00%) CSS
1 2 (100.00%) OOP
1 2 (100.00%) OO
1 2 (100.00%) Microsoft
1 2 (100.00%) MVC
1 2 (100.00%) TDD
1 2 (100.00%) Unit Testing
1 2 (100.00%) Microsoft Azure
1 2 (100.00%) HTML5
1 2 (100.00%) SOLID

Inversion of Control
Co-occurring IT Skills in Essex 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 (100.00%) IIS
Cloud Services
1 2 (100.00%) Microsoft Azure
Database & Business Intelligence
1 2 (100.00%) SQL Server
Job Titles
1 2 (100.00%) Applications Developer
1 2 (100.00%) Developer
1 2 (100.00%) Senior Applications Developer
1 2 (100.00%) Senior Developer
Libraries, Frameworks & Software Standards
1 2 (100.00%) .NET
1 2 (100.00%) ASP.NET
1 2 (100.00%) CSS
1 2 (100.00%) HTML
1 2 (100.00%) HTML5
Processes & Methodologies
1 2 (100.00%) MVC
1 2 (100.00%) OO
1 2 (100.00%) OOP
1 2 (100.00%) SOLID
1 2 (100.00%) TDD
1 2 (100.00%) Unit Testing
Programming Languages
1 2 (100.00%) C#
1 2 (100.00%) JavaScript
Vendors
1 2 (100.00%) Microsoft