The following table provides summary statistics for contract job vacancies advertised in London 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 23 March 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.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
Inversion of Control (IoC)
England / London
Rank 371 382 377
Rank change year-on-year +11 -5  
Contract jobs citing Inversion of Control 31 37 32
As % of all contract IT jobs advertised in London 0.16% 0.17% 0.15%
As % of the Processes & Methodologies category 0.19% 0.20% 0.19%
Number of daily rates quoted 24 31 23
Median daily rate £359 £413 £425
Median daily rate % change year-on-year -13.03% -2.94%  
90% offered a daily rate of more than £320 £250 £380
10% offered a daily rate of more than £418 £575 £508
UK excluding London median daily rate £378 £375 £408
% change year-on-year +0.66% -7.97%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.50 - -

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 London with a requirement for process and methodology skills.

Contract Process & Methodology Skills
London
Contract job vacancies with a requirement for process and methodology skills 16350 18715 17143
As % of all contract IT job vacancies advertised in London 85.12% 85.09% 82.05%
Number of daily rates quoted 11752 13518 12038
Median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.55%  
90% offered a daily rate of more than £345 £325 £310
10% offered a daily rate of more than £650 £625 £601
UK excluding London median daily rate £410 £400 £399
% change year-on-year +2.50% +0.29%  
Number of hourly rates quoted 161 190 241
Median hourly rate £31.92 £22.50 £20.31
Median hourly rate % change year-on-year +41.86% +10.78%  
90% offered a hourly rate of more than £14.18 £12.00 £11.00
10% offered a hourly rate of more than £55.00 £52.50 £55.00
UK excluding London median hourly rate £36.00 £39.00 £30.00
% change year-on-year -7.69% +30.00%  

Inversion of Control
Job Vacancy Trend in London

The job posting trend of jobs advertised in London 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 London

Inversion of Control
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Inversion of Control in London

Inversion of Control
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Inversion of Control in London over the 3 months to 23 March 2017.

Contractor daily rate histogram for Inversion of Control in London

Inversion of Control
Contract Job Locations in London

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 London region over the 3 months to 23 March 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
City of London 0 3 £483 +83.80% 2
Inversion of Control
England

Inversion of Control
Top 30 Related IT Skills in London

For the 6 months to 23 March 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 London region with a requirement for Inversion of Control.

1 48 (76.19%) .NET
2 47 (74.60%) Agile Software Development
3 42 (66.67%) C#
4 37 (58.73%) TDD
5 33 (52.38%) SQL
6 32 (50.79%) Dependency Injection
7 29 (46.03%) Team Foundation Server
8 25 (39.68%) T-SQL
8 25 (39.68%) Finance
9 23 (36.51%) SQL Server
10 22 (34.92%) Microsoft Azure
11 21 (33.33%) Git (software)
11 21 (33.33%) MVC
12 20 (31.75%) Visual Studio
13 19 (30.16%) Java
13 19 (30.16%) Spring
13 19 (30.16%) PowerShell
13 19 (30.16%) Analytical Skills
14 18 (28.57%) Software Engineering
14 18 (28.57%) Linux
15 17 (26.98%) Microsoft
15 17 (26.98%) WCF
16 16 (25.40%) BDD
16 16 (25.40%) REST
17 15 (23.81%) Web Services
17 15 (23.81%) Ubuntu
17 15 (23.81%) Load Balancing
17 15 (23.81%) Elastic Stack
18 14 (22.22%) JSON
18 14 (22.22%) Jenkins

Inversion of Control
Top Related IT Skills in London 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 5 (7.94%) IIS
1 5 (7.94%) Tomcat
2 4 (6.35%) Apache Spark
3 3 (4.76%) Jetty
3 3 (4.76%) MS Project Server
3 3 (4.76%) SharePoint
3 3 (4.76%) SharePoint 2010
3 3 (4.76%) SharePoint 2013
4 2 (3.17%) Apache
4 2 (3.17%) Elasticsearch
4 2 (3.17%) JBoss
4 2 (3.17%) Oracle SOA Suite
4 2 (3.17%) WebLogic
5 1 (1.59%) Cloud Foundry
5 1 (1.59%) GlassFish
5 1 (1.59%) WebLogic Integration
5 1 (1.59%) WebLogic Portal
5 1 (1.59%) WebSphere
5 1 (1.59%) WebSphere Application Server
5 1 (1.59%) WebSphere Process Server
Applications
1 6 (9.52%) MS Excel
2 3 (4.76%) MS Project
Business Applications
1 1 (1.59%) Oracle BPM
1 1 (1.59%) Unit4 Business World
Cloud Services
1 22 (34.92%) Microsoft Azure
2 3 (4.76%) PaaS
3 2 (3.17%) Amazon AWS
4 1 (1.59%) IaaS
Communications & Networking
1 2 (3.17%) HTTP
2 1 (1.59%) SSL
Database & Business Intelligence
1 23 (36.51%) SQL Server
2 5 (7.94%) Hadoop
3 4 (6.35%) NoSQL
3 4 (6.35%) SQL Server 2012
4 3 (4.76%) Azure SQL Database
4 3 (4.76%) SQL Server 2008
4 3 (4.76%) SQL Server Analysis Services
4 3 (4.76%) SQL Server Integration Services
4 3 (4.76%) SQL Server Reporting Services
5 2 (3.17%) MongoDB
6 1 (1.59%) Big Data
6 1 (1.59%) DB2
6 1 (1.59%) MySQL
6 1 (1.59%) Oracle Database
6 1 (1.59%) RDBMS
6 1 (1.59%) Relational Database
Development Applications
1 29 (46.03%) Team Foundation Server
2 21 (33.33%) Git (software)
3 20 (31.75%) Visual Studio
4 14 (22.22%) Jenkins
5 11 (17.46%) CruiseControl
6 10 (15.87%) Hudson
7 9 (14.29%) Build Forge
8 6 (9.52%) Maven
8 6 (9.52%) Moq
8 6 (9.52%) MSBuild
9 5 (7.94%) NUnit
10 4 (6.35%) JUnit
11 3 (4.76%) Mercurial
11 3 (4.76%) Octopus Deploy
11 3 (4.76%) TeamCity
12 2 (3.17%) Cucumber
12 2 (3.17%) Gradle
12 2 (3.17%) Grunt
12 2 (3.17%) gulp
13 1 (1.59%) JBehave
General
1 25 (39.68%) Finance
2 9 (14.29%) Banking
3 3 (4.76%) Front Office
4 2 (3.17%) Investment Banking
5 1 (1.59%) Prime Brokerage
Job Titles
1 43 (68.25%) Developer
2 25 (39.68%) C# Developer
3 17 (26.98%) .NET Developer
4 16 (25.40%) Java Developer
5 15 (23.81%) Software Engineer
6 14 (22.22%) C# .NET Developer
7 11 (17.46%) Architect
7 11 (17.46%) Senior Developer
8 10 (15.87%) C# Software Developer
8 10 (15.87%) Monitoring Engineer
8 10 (15.87%) Programmer
8 10 (15.87%) Software Developer
9 9 (14.29%) C# Programmer
9 9 (14.29%) C# Software Engineer
9 9 (14.29%) Developer/Software Engineer
9 9 (14.29%) Software Programmer
9 9 (14.29%) SQL Developer
10 8 (12.70%) Senior Java Developer
10 8 (12.70%) SQL Server Developer
11 7 (11.11%) .NET Architect
Libraries, Frameworks & Software Standards
1 48 (76.19%) .NET
2 19 (30.16%) Spring
3 17 (26.98%) WCF
4 16 (25.40%) REST
5 15 (23.81%) Elastic Stack
5 15 (23.81%) Web Services
6 14 (22.22%) JSON
7 13 (20.63%) RESTful
8 12 (19.05%) AngularJS
8 12 (19.05%) HTML
9 11 (17.46%) .NET Framework
9 11 (17.46%) CSS
9 11 (17.46%) Hibernate
9 11 (17.46%) J2EE
9 11 (17.46%) JSP
10 10 (15.87%) ASP.NET
10 10 (15.87%) JPA
10 10 (15.87%) Spring Boot
10 10 (15.87%) TIBCO EMS
11 9 (14.29%) ASP.NET Web API
Miscellaneous
1 19 (30.16%) Analytical Skills
2 9 (14.29%) Computer Science
3 8 (12.70%) Mobile App
4 6 (9.52%) Derivative
5 1 (1.59%) Animation
5 1 (1.59%) Clustering
5 1 (1.59%) DataPower
5 1 (1.59%) Enterprise Software
5 1 (1.59%) Equity Derivative
5 1 (1.59%) Foreign Exchange (FX)
5 1 (1.59%) N-Tier
Operating Systems
1 18 (28.57%) Linux
2 15 (23.81%) Ubuntu
3 13 (20.63%) Windows
4 3 (4.76%) Unix
5 2 (3.17%) Android
5 2 (3.17%) Apple iOS
5 2 (3.17%) Windows Server
Processes & Methodologies
1 47 (74.60%) Agile Software Development
2 37 (58.73%) TDD
3 32 (50.79%) Dependency Injection
4 21 (33.33%) MVC
5 18 (28.57%) Software Engineering
6 16 (25.40%) BDD
7 15 (23.81%) Load Balancing
8 12 (19.05%) Scrum
8 12 (19.05%) SOLID
9 11 (17.46%) Continuous Integration
9 11 (17.46%) SDLC
10 10 (15.87%) Test Automation
11 8 (12.70%) DevOps
12 7 (11.11%) Migration
13 6 (9.52%) Multithreading
14 5 (7.94%) Benchmarking
14 5 (7.94%) Business Analysis
14 5 (7.94%) Low Latency
14 5 (7.94%) OO
14 5 (7.94%) Performance Testing
Programming Languages
1 42 (66.67%) C#
2 33 (52.38%) SQL
3 25 (39.68%) T-SQL
4 19 (30.16%) Java
4 19 (30.16%) PowerShell
5 14 (22.22%) JavaScript
6 5 (7.94%) TypeScript
7 4 (6.35%) Bash Shell
7 4 (6.35%) C
7 4 (6.35%) Python
7 4 (6.35%) VB
7 4 (6.35%) VB.NET
7 4 (6.35%) VB6
7 4 (6.35%) VBA
8 1 (1.59%) C++
8 1 (1.59%) MATLAB
8 1 (1.59%) Objective-C
8 1 (1.59%) Perl
8 1 (1.59%) R
8 1 (1.59%) Ruby
Qualifications
1 11 (17.46%) Degree
Quality Assurance & Compliance
1 5 (7.94%) QA
2 1 (1.59%) Dodd-Frank
2 1 (1.59%) EMIR
System Software
1 2 (3.17%) Docker
2 1 (1.59%) Virtual Machines
Systems Management
1 1 (1.59%) Ansible
1 1 (1.59%) Kubernetes
1 1 (1.59%) Marathon
1 1 (1.59%) Mesos
Vendors
1 17 (26.98%) Microsoft
2 10 (15.87%) TIBCO
3 3 (4.76%) Oracle
4 2 (3.17%) IBM
4 2 (3.17%) Xamarin
5 1 (1.59%) Apple
5 1 (1.59%) Google
5 1 (1.59%) Kony
5 1 (1.59%) Sybase
5 1 (1.59%) Telerik
5 1 (1.59%) Twitter
5 1 (1.59%) Yahoo!
City, London
E-synergy Solutions
Rate: £350 - £370 per annum
Posted: 6 days ago