The table below looks at the prevalence of the term Inversion of Control in IT jobs advertised for the City of London region. Included is a guide to the average salaries offered in IT jobs that have cited Inversion of Control over the 3 months to 28 August 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
28 Aug 2015
Same period 2014 Same period 2013
Inversion of Control (IoC)
Rank 300 320 308
Rank change year-on-year
+20 -12
Permanent jobs citing Inversion of Control 3 8 16
As % of all permanent IT jobs located in the City of London 0.031% 0.068% 0.14%
As % of the Miscellaneous category 0.069% 0.15% 0.27%
Number of salaries quoted 2 7 16
Average salary £56,250 £62,500 £59,000
Average salary % change year-on-year
-10.00% +5.93%
90% offered a salary of more than £51,250 £49,600 £47,500
10% offered a salary of more than £61,250 £80,000 £71,250
UK excluding London average salary £40,000 £40,000 £40,000
Inversion of Control
London

The following table is for comparison with the above and provides statistics for the entire Miscellaneous category in permanent jobs advertised in the City of London region.

Miscellaneous Category
City of London
Permanent IT job ads with a match in the
Miscellaneous category
4345 5276 5872
As % of all permanent IT jobs located in the City of London 44.91% 44.97% 49.66%
Number of salaries quoted 3582 4335 5171
Average salary £57,500 £55,000 £57,500
Average salary % change year-on-year
+4.54% -4.34%
90% offered a salary of more than £35,000 £32,500 £35,000
10% offered a salary of more than £85,000 £85,000 £80,000
UK excluding London average salary £40,500 £40,000 £40,000
% change year-on-year
+1.25% -

Inversion of Control
Jobs Demand Trend in the City of London

This chart provides a 3-month moving total of permanent IT jobs citing Inversion of Control across the City of London region as a proportion of the total demand within the Miscellaneous category.

Inversion of Control Jobs Demand Trend in the City of London

Inversion of Control
Salary Trend in the City of London

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

Inversion of Control Salary Trend in the City of London

Inversion of Control
Top 30 Related IT Skills in the City of London

For the 6 months to 28 August 2015, IT jobs across the City of 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 IT job ads sampled that cited Inversion of Control.

1 10 (83.33%) Agile Software Development
2 8 (66.67%) TDD
3 6 (50.00%) Spring
3 6 (50.00%) C#
3 6 (50.00%) Java
3 6 (50.00%) SQL
3 6 (50.00%) Continuous Integration
3 6 (50.00%) RESTful
4 5 (41.67%) Unit Testing
4 5 (41.67%) jQuery
4 5 (41.67%) JavaScript
4 5 (41.67%) HTML
4 5 (41.67%) SQL Server
4 5 (41.67%) CSS
4 5 (41.67%) Web Services
4 5 (41.67%) OO
4 5 (41.67%) Software Engineering
4 5 (41.67%) Refactoring
5 4 (33.33%) NUnit
5 4 (33.33%) N-Tier
5 4 (33.33%) .NET
6 3 (25.00%) T-SQL
6 3 (25.00%) Middleware
6 3 (25.00%) E-Commerce
6 3 (25.00%) .NET Framework
6 3 (25.00%) User Acceptance Testing
6 3 (25.00%) Integration Testing
6 3 (25.00%) Multithreading
6 3 (25.00%) Rhino Mocks
6 3 (25.00%) Moq

Inversion of Control
Top Related IT Skills in the City of London by Category

For the 6 months to 28 August 2015, IT jobs across the City of 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 IT job ads sampled that cited Inversion of Control. Up to 20 skills are shown per category.

Application Platforms
1 2 (16.67%) Tomcat
2 1 (8.33%) BizTalk Server
Business Applications
1 1 (8.33%) Dynamics CRM
Cloud Services
1 1 (8.33%) Microsoft Azure
1 1 (8.33%) Amazon AWS
Communications & Networking
1 1 (8.33%) SMTP
1 1 (8.33%) Firewall
Database & Business Intelligence
1 5 (41.67%) SQL Server
2 2 (16.67%) SQL Server 2008
2 2 (16.67%) Hadoop
2 2 (16.67%) MongoDB
2 2 (16.67%) Apache Cassandra
2 2 (16.67%) NoSQL
2 2 (16.67%) Aerospike
2 2 (16.67%) MySQL
Development Applications
1 4 (33.33%) NUnit
2 3 (25.00%) Git (software)
2 3 (25.00%) MSTest
2 3 (25.00%) Rhino Mocks
2 3 (25.00%) Moq
3 2 (16.67%) TeamCity
4 1 (8.33%) Visual Studio
4 1 (8.33%) Team Foundation Server
4 1 (8.33%) CruiseControl
4 1 (8.33%) JIRA
4 1 (8.33%) Fiddler
4 1 (8.33%) SoapUI
4 1 (8.33%) MSBuild
4 1 (8.33%) Jenkins
4 1 (8.33%) SQL Server Management Studio (SSMS)
4 1 (8.33%) NCrunch
4 1 (8.33%) Octopus Deploy
General
1 2 (16.67%) Finance
1 2 (16.67%) Advertising
2 1 (8.33%) Banking
2 1 (8.33%) Law
2 1 (8.33%) Front Office
Job Titles
1 11 (91.67%) Developer
2 5 (41.67%) Java Developer
3 3 (25.00%) .NET Developer
3 3 (25.00%) C# Developer
3 3 (25.00%) Lead Developer
4 2 (16.67%) Senior Developer
4 2 (16.67%) Senior .NET Developer
4 2 (16.67%) Lead Java Developer
4 2 (16.67%) Mid-Level Java Developer
4 2 (16.67%) Core Java Developer
5 1 (8.33%) Java Web Developer
5 1 (8.33%) Lead .NET Developer
5 1 (8.33%) .NET Team Leader
5 1 (8.33%) Web Developer
5 1 (8.33%) Team Leader
5 1 (8.33%) Technical Team Leader
Libraries, Frameworks & Software Standards
1 6 (50.00%) Spring
1 6 (50.00%) RESTful
2 5 (41.67%) jQuery
2 5 (41.67%) HTML
2 5 (41.67%) CSS
2 5 (41.67%) Web Services
3 4 (33.33%) .NET
4 3 (25.00%) Middleware
4 3 (25.00%) .NET Framework
4 3 (25.00%) Entity Framework
5 2 (16.67%) Ninject
5 2 (16.67%) Autofac
5 2 (16.67%) Kafka
5 2 (16.67%) Unity DI Container
5 2 (16.67%) Apache Axis
5 2 (16.67%) WCF
5 2 (16.67%) WPF
5 2 (16.67%) LINQ
5 2 (16.67%) Apache CXF
5 2 (16.67%) Ajax
Miscellaneous
1 4 (33.33%) N-Tier
2 2 (16.67%) PMI
3 1 (8.33%) User Experience
Processes & Methodologies
1 10 (83.33%) Agile Software Development
2 8 (66.67%) TDD
3 6 (50.00%) Continuous Integration
4 5 (41.67%) Unit Testing
4 5 (41.67%) Software Engineering
4 5 (41.67%) Refactoring
4 5 (41.67%) OO
5 3 (25.00%) E-Commerce
5 3 (25.00%) Integration Testing
5 3 (25.00%) User Acceptance Testing
5 3 (25.00%) Multithreading
5 3 (25.00%) Dependency Injection
5 3 (25.00%) Mentoring
6 2 (16.67%) People Management
6 2 (16.67%) Concurrent Programming
6 2 (16.67%) Low Latency
6 2 (16.67%) Performance Tuning
6 2 (16.67%) BDD
6 2 (16.67%) Progressive Enhancement
6 2 (16.67%) Responsive Web Design
Programming Languages
1 6 (50.00%) C#
1 6 (50.00%) Java
1 6 (50.00%) SQL
2 5 (41.67%) JavaScript
3 3 (25.00%) T-SQL
Qualifications
1 2 (16.67%) PMI Certification
Quality Assurance & Compliance
1 2 (16.67%) QA
Vendors
1 1 (8.33%) Microsoft