The table below looks at the statistics for CQRS skills in IT contracts advertised for the London region. Included is a guide to the contractor rates offered in IT contracts that have cited CQRS over the 3 months to 29 June 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
29 Jun 2016
Same period 2015 Same period 2014
Command-Query Responsibility Segregation (also Command-Query Separation)
Rank 396 427 404
Rank change year-on-year
+31 -23
Contract jobs citing CQRS 32 4 13
As % of all contract IT jobs located in London 0.15% 0.017% 0.057%
As % of the Processes & Methodologies category 0.18% 0.021% 0.070%
Number of daily rates quoted 17 4 11
Median daily rate £475 £525 £525
Median daily rate % change year-on-year
-9.52% -
90% offered a daily rate of more than £438 £398 £400
10% offered a daily rate of more than £550 £600 £675
UK excluding London median daily rate £494 - £358
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -
CQRS
England

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the London region.

Processes & Methodologies Category
London
Contract IT job ads with a match in the
Processes & Methodologies category
18252 18961 18637
As % of all contract IT jobs located in London 84.46% 81.15% 81.35%
Number of daily rates quoted 13341 13468 13184
Median daily rate £475 £450 £438
Median daily rate % change year-on-year
+5.55% +2.85%
90% offered a daily rate of more than £325 £310 £300
10% offered a daily rate of more than £625 £625 £600
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 147 244 230
Median hourly rate £21.64 £22.18 £20.16
Median hourly rate % change year-on-year
-2.43% +10.01%
90% offered a hourly rate of more than £12.50 £11.00 £13.00
10% offered a hourly rate of more than £46.00 £55.50 £53.50
UK excluding London median hourly rate £28.50 £30.00 £30.00
% change year-on-year
-5.00% -

CQRS
Jobs Demand Trend in London

The demand trend of contract jobs across the London region citing CQRS as a proportion of all IT contracts with a match in the Processes & Methodologies category.

CQRS Jobs Demand Trend in London

CQRS
Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing CQRS across the London region.

CQRS Daily Rate Trend in London

CQRS
Daily Rate Histogram in London

This chart provides a histogram of daily rates quoted in contract IT jobs citing CQRS across the London region over the 3 months to 29 June 2016.

CQRS Daily Rate Histogram in London

CQRS
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 CQRS within the London region over the 3 months to 29 June 2016. 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
(Click see detailed
statistics and trends)
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
Croydon - 5 £444 -
Bromley - 1 £438 -
CQRS
England

CQRS
Top 30 Related IT Skills in London

For the 6 months to 29 June 2016, IT contractor jobs citing CQRS 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 CQRS.

1 40 (88.89%) Agile Software Development
2 34 (75.56%) AngularJS
3 33 (73.33%) TDD
4 26 (57.78%) Microservices
5 25 (55.56%) BDD
6 24 (53.33%) C#
6 24 (53.33%) .NET
7 23 (51.11%) ASP.NET
8 22 (48.89%) JavaScript
8 22 (48.89%) HTML
8 22 (48.89%) Domain-Driven Design
8 22 (48.89%) ASP.NET Web API
9 21 (46.67%) Java
10 20 (44.44%) GitHub
11 19 (42.22%) CSS
11 19 (42.22%) MVC
12 17 (37.78%) Scrum
12 17 (37.78%) ASP.NET MVC
13 16 (35.56%) RESTful
13 16 (35.56%) HTML5
14 15 (33.33%) Java EE
14 15 (33.33%) SQL Server
14 15 (33.33%) Mentoring
15 14 (31.11%) Microsoft Azure
15 14 (31.11%) Blog
16 13 (28.89%) PostgreSQL
17 12 (26.67%) Front End Development
18 11 (24.44%) Octopus Deploy
18 11 (24.44%) Continuous Improvement
19 10 (22.22%) User Experience

CQRS
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 7 (15.56%) Elasticsearch
2 1 (2.22%) JBoss
2 1 (2.22%) WildFly
Cloud Services
1 20 (44.44%) GitHub
2 14 (31.11%) Microsoft Azure
3 8 (17.78%) Amazon AWS
4 7 (15.56%) Amazon EC2
Database & Business Intelligence
1 15 (33.33%) SQL Server
2 13 (28.89%) PostgreSQL
3 8 (17.78%) NoSQL
4 7 (15.56%) Amazon DynamoDB
4 7 (15.56%) Hadoop
5 6 (13.33%) Azure SQL Database
6 4 (8.89%) SQL Server 2008
6 4 (8.89%) SQL Server 2012
7 3 (6.67%) MongoDB
8 2 (4.44%) MySQL
8 2 (4.44%) Relational Database
Development Applications
1 11 (24.44%) Octopus Deploy
2 7 (15.56%) TeamCity
3 4 (8.89%) Bower
3 4 (8.89%) Gerrit
3 4 (8.89%) Git (software)
3 4 (8.89%) GitLab
3 4 (8.89%) Grunt
3 4 (8.89%) gulp
3 4 (8.89%) Jenkins
3 4 (8.89%) JUnit
3 4 (8.89%) Maven
4 1 (2.22%) JIRA
4 1 (2.22%) Moq
4 1 (2.22%) MSTest
4 1 (2.22%) NUnit
4 1 (2.22%) Rhino Mocks
4 1 (2.22%) SpecFlow
General
1 10 (22.22%) Finance
2 4 (8.89%) Hungarian Language
3 3 (6.67%) Banking
4 1 (2.22%) Telecoms
Job Titles
1 36 (80.00%) Developer
2 18 (40.00%) Java Developer
3 16 (35.56%) Agile Developer
3 16 (35.56%) C# Developer
4 12 (26.67%) Agile Java Developer
5 9 (20.00%) Full Stack Developer
6 8 (17.78%) .NET Developer
6 8 (17.78%) C# .NET Developer
7 7 (15.56%) Senior Developer
7 7 (15.56%) Senior Java Developer
8 6 (13.33%) JavaScript Developer
9 5 (11.11%) ASP.NET Developer
9 5 (11.11%) ASP.NET MVC Developer
9 5 (11.11%) C# ASP.NET Developer
10 4 (8.89%) Agile C# Developer
10 4 (8.89%) Senior Agile Developer
10 4 (8.89%) Senior Agile Java Developer
11 3 (6.67%) AWS Engineer
11 3 (6.67%) DevOps Engineer
11 3 (6.67%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 34 (75.56%) AngularJS
2 24 (53.33%) .NET
3 23 (51.11%) ASP.NET
4 22 (48.89%) ASP.NET Web API
4 22 (48.89%) HTML
5 19 (42.22%) CSS
6 17 (37.78%) ASP.NET MVC
7 16 (35.56%) HTML5
7 16 (35.56%) RESTful
8 15 (33.33%) Java EE
9 9 (20.00%) Node.js
9 9 (20.00%) RabbitMQ
9 9 (20.00%) REST
10 8 (17.78%) Ember.js
10 8 (17.78%) Java SE
10 8 (17.78%) React
11 6 (13.33%) Hibernate
12 5 (11.11%) ActiveMQ
12 5 (11.11%) CSS3
12 5 (11.11%) Spring
Miscellaneous
1 14 (31.11%) Blog
2 10 (22.22%) User Experience
3 8 (17.78%) Public Cloud
4 3 (6.67%) Analytical Skills
4 3 (6.67%) Enterprise Software
Operating Systems
1 2 (4.44%) Linux
1 2 (4.44%) Unix
1 2 (4.44%) Windows
Processes & Methodologies
1 40 (88.89%) Agile Software Development
2 33 (73.33%) TDD
3 26 (57.78%) Microservices
4 25 (55.56%) BDD
5 22 (48.89%) Domain-Driven Design
6 19 (42.22%) MVC
7 17 (37.78%) Scrum
8 15 (33.33%) Mentoring
9 12 (26.67%) Front End Development
10 11 (24.44%) Continuous Improvement
11 10 (22.22%) E-Commerce
12 9 (20.00%) Open Source
13 8 (17.78%) DevOps
13 8 (17.78%) High Availability
13 8 (17.78%) Kanban
13 8 (17.78%) OO
13 8 (17.78%) SOA
14 6 (13.33%) Coaching
14 6 (13.33%) Complex Event Processing
15 5 (11.11%) MVVM
Programming Languages
1 24 (53.33%) C#
2 22 (48.89%) JavaScript
3 21 (46.67%) Java
4 7 (15.56%) Ruby
4 7 (15.56%) Scala
4 7 (15.56%) SQL
5 1 (2.22%) T-SQL
Qualifications
1 6 (13.33%) Security Cleared
2 2 (4.44%) BC Cleared
2 2 (4.44%) SC Cleared
Quality Assurance & Compliance
1 7 (15.56%) QA
System Software
1 4 (8.89%) Apache ZooKeeper
Systems Management
1 7 (15.56%) Opscode Chef
2 4 (8.89%) Ansible
Vendors
1 6 (13.33%) Microsoft
2 4 (8.89%) Telerik
3 3 (6.67%) Terracotta