The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Dependency Injection skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Dependency Injection over the 3 months to 22 June 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.

Dependency Injection (DI)
London / City of London
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 159 168 200
Rank change year-on-year +9 +32  
Contract jobs citing Dependency Injection 6 1 12
As % of all contract IT jobs advertised in the City of London 0.18% 0.029% 0.21%
As % of the Processes & Methodologies category 0.21% 0.034% 0.25%
Number of daily rates quoted 6 1 11
Median daily rate £419 £600 £450
Median daily rate % change year-on-year -30.20% +33.33%  
90% offered a daily rate of more than £360 £600 £338
10% offered a daily rate of more than £563 £600 £625
UK excluding London median daily rate £345 £344 £419
% change year-on-year +0.36% -17.91%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £44.25 - -

Dependency Injection 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 the City of London with a requirement for process and methodology skills.

Contract Process & Methodology Skills
City of London
Contract job vacancies with a requirement for process and methodology skills 2903 2921 4710
As % of all contract IT job vacancies advertised in the City of London 88.08% 85.81% 81.04%
Number of daily rates quoted 2223 2386 3712
Median daily rate £500 £475 £475
Median daily rate % change year-on-year +5.26% -  
90% offered a daily rate of more than £350 £335 £325
10% offered a daily rate of more than £650 £625 £625
UK excluding London median daily rate £415 £400 £385
% change year-on-year +3.75% +3.89%  
Number of hourly rates quoted 25 26 56
Median hourly rate £20.00 £19.00 £24.50
Median hourly rate % change year-on-year +5.26% -22.44%  
90% offered a hourly rate of more than £14.75 £12.50 £15.00
10% offered a hourly rate of more than £41.00 £44.00 £55.50
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

Dependency Injection
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Dependency Injection as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Dependency Injection in the City of London

Dependency Injection
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Dependency Injection in the City of London

Dependency Injection
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Dependency Injection in the City of London over the 3 months to 22 June 2017.

Contractor daily rate histogram for Dependency Injection in the City of London

For the 6 months to 22 June 2017, IT contractor jobs citing Dependency Injection 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 City of London region with a requirement for Dependency Injection.

1 13 (86.67%) C#
1 13 (86.67%) Agile Software Development
2 12 (80.00%) SQL Server
3 11 (73.33%) TDD
4 10 (66.67%) SQL
5 9 (60.00%) .NET
5 9 (60.00%) WCF
6 8 (53.33%) Microsoft
6 8 (53.33%) Unit Testing
7 7 (46.67%) SQL Server 2012
7 7 (46.67%) WPF
8 6 (40.00%) Scrum
8 6 (40.00%) JavaScript
8 6 (40.00%) Multithreading
8 6 (40.00%) Inversion of Control
8 6 (40.00%) MVVM
8 6 (40.00%) Entity Framework
9 5 (33.33%) BDD
9 5 (33.33%) Test Automation
9 5 (33.33%) Task Parallel Library
9 5 (33.33%) SpecFlow
9 5 (33.33%) Caliburn.Micro
9 5 (33.33%) ASP.NET
9 5 (33.33%) MVC
9 5 (33.33%) LINQ
9 5 (33.33%) NHibernate
10 4 (26.67%) NUnit
10 4 (26.67%) Visual Studio
10 4 (26.67%) CSS
10 4 (26.67%) Windows

Dependency Injection
Co-occurring IT Skills in the City of 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 2 (13.33%) IIS
2 1 (6.67%) Elasticsearch
Applications
1 1 (6.67%) Microsoft Office
Cloud Services
1 4 (26.67%) Microsoft Azure
2 1 (6.67%) Amazon AWS
2 1 (6.67%) GitHub
Communications & Networking
1 2 (13.33%) HTTP
Database & Business Intelligence
1 12 (80.00%) SQL Server
2 7 (46.67%) SQL Server 2012
3 2 (13.33%) Redis
3 2 (13.33%) SQL Server 2008
4 1 (6.67%) Azure SQL Database
4 1 (6.67%) Power BI
4 1 (6.67%) SQL Server 2000
4 1 (6.67%) SQL Server 2005
4 1 (6.67%) SQL Server Reporting Services
Development Applications
1 5 (33.33%) SpecFlow
2 4 (26.67%) Moq
2 4 (26.67%) NUnit
2 4 (26.67%) Visual Studio
3 3 (20.00%) Git (software)
3 3 (20.00%) ReSharper
3 3 (20.00%) Rhino Mocks
3 3 (20.00%) Selenium
4 2 (13.33%) Cucumber
4 2 (13.33%) NMock
4 2 (13.33%) Team Foundation Server
4 2 (13.33%) TeamCity
5 1 (6.67%) dotTrace
5 1 (6.67%) Jenkins
5 1 (6.67%) LINQPad
5 1 (6.67%) MSTest
General
1 3 (20.00%) Banking
1 3 (20.00%) Finance
2 2 (13.33%) Marketing
3 1 (6.67%) Advertising
3 1 (6.67%) Digital Economy
3 1 (6.67%) Games
3 1 (6.67%) Investment Banking
Job Titles
1 13 (86.67%) Developer
2 6 (40.00%) C# Developer
2 6 (40.00%) WPF Developer
3 5 (33.33%) Analyst
3 5 (33.33%) Analyst Developer
3 5 (33.33%) C# WPF Developer
3 5 (33.33%) SQL Analyst
3 5 (33.33%) SQL Developer
4 4 (26.67%) .NET Developer
5 3 (20.00%) Senior Developer
6 2 (13.33%) Architect
6 2 (13.33%) Full Stack Developer
6 2 (13.33%) Senior .NET Developer
6 2 (13.33%) Web Developer
7 1 (6.67%) ASP.NET MVC Developer
7 1 (6.67%) Azure Architect
7 1 (6.67%) C# .NET Developer
7 1 (6.67%) Elasticsearch Developer
7 1 (6.67%) Full Stack Web Developer
7 1 (6.67%) Senior WPF Developer
Libraries, Frameworks & Software Standards
1 9 (60.00%) .NET
1 9 (60.00%) WCF
2 7 (46.67%) WPF
3 6 (40.00%) Entity Framework
4 5 (33.33%) ASP.NET
4 5 (33.33%) Caliburn.Micro
4 5 (33.33%) LINQ
4 5 (33.33%) NHibernate
4 5 (33.33%) Task Parallel Library
5 4 (26.67%) CSS
5 4 (26.67%) HTML
6 3 (20.00%) .NET Framework
6 3 (20.00%) ASP.NET MVC
6 3 (20.00%) jQuery
6 3 (20.00%) REST
7 2 (13.33%) ASP.NET Web API
7 2 (13.33%) JSON
7 2 (13.33%) SOAP
7 2 (13.33%) XML
7 2 (13.33%) XSD
Miscellaneous
1 2 (13.33%) Analytical Skills
2 1 (6.67%) Credit Risk
2 1 (6.67%) Derivative
2 1 (6.67%) Market Risk
2 1 (6.67%) NHS
2 1 (6.67%) N-Tier
2 1 (6.67%) User Experience
Operating Systems
1 4 (26.67%) Windows
Processes & Methodologies
1 13 (86.67%) Agile Software Development
2 11 (73.33%) TDD
3 8 (53.33%) Unit Testing
4 6 (40.00%) Inversion of Control
4 6 (40.00%) Multithreading
4 6 (40.00%) MVVM
4 6 (40.00%) Scrum
5 5 (33.33%) BDD
5 5 (33.33%) MVC
5 5 (33.33%) Test Automation
6 3 (20.00%) Mentoring
7 2 (13.33%) Asynchronous Programming
7 2 (13.33%) Business Intelligence
7 2 (13.33%) Continuous Integration
7 2 (13.33%) SOLID
7 2 (13.33%) Web Development
8 1 (6.67%) Domain Models
8 1 (6.67%) OO
8 1 (6.67%) SOA
8 1 (6.67%) Software Engineering
Programming Languages
1 13 (86.67%) C#
2 10 (66.67%) SQL
3 6 (40.00%) JavaScript
4 3 (20.00%) T-SQL
5 1 (6.67%) Java
5 1 (6.67%) Python
5 1 (6.67%) VB
5 1 (6.67%) VB.NET
Quality Assurance & Compliance
1 2 (13.33%) QA
System Software
1 2 (13.33%) Docker
Vendors
1 8 (53.33%) Microsoft
2 2 (13.33%) Telerik