Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies advertised in England 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 21 November 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)
UK > England
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 741 742 749
Rank change year-on-year +1 +7 -43
Contract jobs citing Inversion of Control 114 129 116
As % of all contract IT jobs advertised in England 0.12% 0.13% 0.11%
As % of the Processes & Methodologies category 0.14% 0.16% 0.14%
Number of daily rates quoted 98 99 102
England median daily rate £479 £380 £400
Median daily rate % change year-on-year +25.99% -5.00% -5.88%
10th Percentile £333 £313 £276
90th Percentile £625 £543 £575
UK median daily rate £479 £380 £393
% change year-on-year +25.99% -3.18% -7.65%
Number of hourly rates quoted 0 0 0
England median hourly rate - - -
UK 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 England with a requirement for process or methodology skills.

All Process and Methodology Skills
England
Contract vacancies with a requirement for process or methodology skills 80294 81883 85035
As % of all contract IT jobs advertised in England 84.66% 84.16% 81.94%
Number of daily rates quoted 54019 54581 56048
England median daily rate £450 £425 £423
Median daily rate % change year-on-year +5.88% +0.47% +5.75%
10th Percentile £288 £265 £263
90th Percentile £638 £613 £600
UK median daily rate £450 £425 £413
% change year-on-year +5.88% +3.03% +3.13%
Number of hourly rates quoted 1877 2118 2511
England median hourly rate £23.75 £24.42 £22.50
Median hourly rate % change year-on-year -2.74% +8.53% +18.42%
10th Percentile £11.39 £11.50 £11.50
90th Percentile £50.00 £48.75 £47.50
UK median hourly rate £23.50 £24.00 £22.50
% change year-on-year -2.08% +6.67% +18.42%

Inversion of Control
Job Vacancy Trend in England

Job postings citing Inversion of Control as a percentage of all IT jobs advertised in England.

Job vacancy trend for Inversion of Control in England

Inversion of Control
Contractor Daily Rate Trend in England

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

Contractor daily rate trend for Inversion of Control in England

Inversion of Control
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing Inversion of Control in England over the 6 months to 21 November 2017.

Contractor daily rate histogram for Inversion of Control in England

Inversion of Control
Contractor Hourly Rate Trend in England

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

Contractor hourly rate trend for Inversion of Control in England

Inversion of Control
Contract Job Locations in England

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 England region over the 6 months to 21 November 2017. 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
London 0 96 £500 +5.26% 14
North of England +25 8 £348 -2.46% 9
North West +23 8 £348 -5.76% 5
West Midlands +22 4 £350 +21.74% 4
Midlands +20 4 £350 +21.74% 5
East of England -4 3 £325 - 1
South East -5 3 - - 6
Inversion of Control
UK

For the 6 months to 21 November 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 England region with a requirement for Inversion of Control.

1 95 (83.33%) .NET
2 78 (68.42%) C#
3 77 (67.54%) TDD
4 74 (64.91%) Agile Software Development
4 74 (64.91%) MVC
5 50 (43.86%) SQL
6 47 (41.23%) SQL Server
6 47 (41.23%) Dependency Injection
7 43 (37.72%) ASP.NET Web API
8 40 (35.09%) ASP.NET
8 40 (35.09%) Scrum
9 38 (33.33%) JavaScript
10 35 (30.70%) SOLID
11 34 (29.82%) WCF
12 32 (28.07%) WPF
13 29 (25.44%) RESTful
14 27 (23.68%) ASP.NET MVC
14 27 (23.68%) Web Services
14 27 (23.68%) Microsoft
15 26 (22.81%) HTML
15 26 (22.81%) Git (software)
16 25 (21.93%) .NET Framework
16 25 (21.93%) AngularJS
17 24 (21.05%) Unit Testing
17 24 (21.05%) Continuous Integration
18 23 (20.18%) Java
18 23 (20.18%) CSS
18 23 (20.18%) Greenfield Project
19 22 (19.30%) Microsoft Azure
20 21 (18.42%) XML

Inversion of Control
Co-occurring IT Skills in England 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 12 (10.53%) Elasticsearch
2 11 (9.65%) CMS
3 10 (8.77%) EPiServer
3 10 (8.77%) Tomcat
4 2 (1.75%) Anypoint
4 2 (1.75%) IIS
4 2 (1.75%) MQSeries
4 2 (1.75%) Sitecore CMS
5 1 (0.88%) Apache
5 1 (0.88%) JBoss
5 1 (0.88%) Oracle SOA Suite
5 1 (0.88%) SharePoint
5 1 (0.88%) WebLogic
Business Applications
1 2 (1.75%) Dynamics CRM
2 1 (0.88%) RMDS
Cloud Services
1 22 (19.30%) Microsoft Azure
2 18 (15.79%) Amazon AWS
3 3 (2.63%) Cloud Computing
4 2 (1.75%) Dynamics 365
4 2 (1.75%) GitHub
4 2 (1.75%) SaaS
5 1 (0.88%) Amazon EC2
5 1 (0.88%) Amazon ElastiCache
5 1 (0.88%) Amazon S3
5 1 (0.88%) Amazon SQS
5 1 (0.88%) AWS CloudFormation
5 1 (0.88%) npm
Communications & Networking
1 3 (2.63%) HTTP
2 2 (1.75%) FTP
3 1 (0.88%) DHCP
3 1 (0.88%) DNS
3 1 (0.88%) Internet
3 1 (0.88%) TCP/IP
Database & Business Intelligence
1 47 (41.23%) SQL Server
2 20 (17.54%) NoSQL
3 5 (4.39%) MongoDB
3 5 (4.39%) SQL Server Analysis Services
3 5 (4.39%) SQL Server Integration Services
4 4 (3.51%) Relational Database
5 3 (2.63%) Oracle Database
5 3 (2.63%) Oracle Database 12c
6 2 (1.75%) Big Data
6 2 (1.75%) SSDT
7 1 (0.88%) Couchbase
7 1 (0.88%) Data Warehouse
7 1 (0.88%) SQL Server 2008
7 1 (0.88%) SQL Server 2012
Development Applications
1 26 (22.81%) Git (software)
2 15 (13.16%) JIRA
3 11 (9.65%) Visual Studio
4 10 (8.77%) JUnit
4 10 (8.77%) Team Foundation Server
5 9 (7.89%) Jenkins
5 9 (7.89%) TeamCity
6 8 (7.02%) Mockito
7 7 (6.14%) Cucumber
7 7 (6.14%) Jasmine
7 7 (6.14%) NUnit
8 6 (5.26%) Eclipse
8 6 (5.26%) Karma Test Runner
8 6 (5.26%) Mocha
8 6 (5.26%) ProC
9 5 (4.39%) dotCover
9 5 (4.39%) JBehave
9 5 (4.39%) Maven
9 5 (4.39%) NDepend
9 5 (4.39%) Selenium
General
1 18 (15.79%) Finance
2 17 (14.91%) Front Office
3 15 (13.16%) Banking
4 10 (8.77%) Investment Banking
5 3 (2.63%) Law
6 2 (1.75%) Prime Brokerage
7 1 (0.88%) Advertising
7 1 (0.88%) Aerospace
7 1 (0.88%) Automotive
7 1 (0.88%) Electronics
7 1 (0.88%) Retail
Job Titles
1 101 (88.60%) Developer
2 51 (44.74%) .NET Developer
3 38 (33.33%) C# Developer
4 24 (21.05%) C# .NET Developer
5 16 (14.04%) ASP.NET MVC Developer
6 13 (11.40%) Senior Developer
7 12 (10.53%) Java Developer
8 10 (8.77%) SQL Developer
9 9 (7.89%) EPiServer Developer
9 9 (7.89%) Senior C# Developer
9 9 (7.89%) Software Engineer
10 8 (7.02%) Senior .NET Developer
10 8 (7.02%) WPF Developer
11 7 (6.14%) ASP.NET Developer
11 7 (6.14%) C# WPF Developer
11 7 (6.14%) Senior C# .NET Developer
12 6 (5.26%) Lead Developer
12 6 (5.26%) Software Developer
13 5 (4.39%) DevOps Engineer
13 5 (4.39%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 95 (83.33%) .NET
2 43 (37.72%) ASP.NET Web API
3 40 (35.09%) ASP.NET
4 34 (29.82%) WCF
5 32 (28.07%) WPF
6 29 (25.44%) RESTful
7 27 (23.68%) ASP.NET MVC
7 27 (23.68%) Web Services
8 26 (22.81%) HTML
9 25 (21.93%) .NET Framework
9 25 (21.93%) AngularJS
10 23 (20.18%) CSS
11 21 (18.42%) XML
12 19 (16.67%) REST
13 18 (15.79%) jQuery
14 17 (14.91%) .NET Core
15 15 (13.16%) Spring
16 14 (12.28%) JMS
16 14 (12.28%) Unity DI Container
17 13 (11.40%) HTML5
Miscellaneous
1 23 (20.18%) Greenfield Project
2 15 (13.16%) Foreign Exchange (FX)
3 11 (9.65%) Equities
3 11 (9.65%) Fixed Income
4 9 (7.89%) Market Risk
5 8 (7.02%) User Experience
6 7 (6.14%) Derivative
7 6 (5.26%) Enterprise Software
8 2 (1.75%) Analytical Skills
8 2 (1.75%) Client/Server
8 2 (1.75%) Management Information System
9 1 (0.88%) Computer Science
9 1 (0.88%) Hedge funds
Operating Systems
1 14 (12.28%) Windows
2 10 (8.77%) Linux
3 8 (7.02%) Unix
4 2 (1.75%) Windows Server 2008
4 2 (1.75%) Windows Server 2012
5 1 (0.88%) Android
Processes & Methodologies
1 77 (67.54%) TDD
2 74 (64.91%) Agile Software Development
2 74 (64.91%) MVC
3 47 (41.23%) Dependency Injection
4 40 (35.09%) Scrum
5 35 (30.70%) SOLID
6 24 (21.05%) Continuous Integration
6 24 (21.05%) Unit Testing
7 20 (17.54%) Software Engineering
8 19 (16.67%) Test Automation
9 17 (14.91%) Pair Programming
10 16 (14.04%) BDD
11 14 (12.28%) SOA
12 13 (11.40%) E-Commerce
12 13 (11.40%) Multithreading
12 13 (11.40%) Open Source
13 12 (10.53%) Domain-Driven Design
13 12 (10.53%) Planning Poker
13 12 (10.53%) Web Development
14 11 (9.65%) Kanban
Programming Languages
1 78 (68.42%) C#
2 50 (43.86%) SQL
3 38 (33.33%) JavaScript
4 23 (20.18%) Java
5 19 (16.67%) T-SQL
6 12 (10.53%) TypeScript
7 8 (7.02%) PowerShell
8 6 (5.26%) Python
9 5 (4.39%) PL/SQL
10 4 (3.51%) Bash Shell
11 3 (2.63%) Elixir
11 3 (2.63%) Erlang
11 3 (2.63%) Go
12 2 (1.75%) ES6
13 1 (0.88%) Perl
13 1 (0.88%) Scala
13 1 (0.88%) Shell Script
13 1 (0.88%) XPath
Qualifications
1 2 (1.75%) SC Cleared
1 2 (1.75%) Security Cleared
2 1 (0.88%) Degree
2 1 (0.88%) DV Cleared
Quality Assurance & Compliance
1 12 (10.53%) QA
2 1 (0.88%) Government Security Classifications
2 1 (0.88%) HMG Security Policy Framework
System Software
1 2 (1.75%) Active Directory
1 2 (1.75%) Docker
2 1 (0.88%) VMware ESXi
Systems Management
1 5 (4.39%) Ansible
1 5 (4.39%) Opscode Chef
1 5 (4.39%) Puppet
1 5 (4.39%) Terraform
2 1 (0.88%) yum
Vendors
1 27 (23.68%) Microsoft
2 13 (11.40%) Oracle
3 8 (7.02%) Infragistics
4 6 (5.26%) MuleSoft
5 4 (3.51%) IBM
6 3 (2.63%) Facebook
6 3 (2.63%) Sybase
6 3 (2.63%) TIBCO
7 2 (1.75%) DevExpress
7 2 (1.75%) Sitecore
8 1 (0.88%) Atlassian
8 1 (0.88%) Barracuda Networks
8 1 (0.88%) Bloomberg
8 1 (0.88%) Currenex
8 1 (0.88%) GigaSpaces
8 1 (0.88%) Reuters
8 1 (0.88%) Sencha
8 1 (0.88%) Splunk
8 1 (0.88%) Telerik
8 1 (0.88%) VMware