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 8 December 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
8 Dec 2016
Same period 2015 Same period 2014
Command-Query Responsibility Segregation (also Command-Query Separation)
Rank 388 393 408
Rank change year-on-year
+5 +15
Contract jobs citing CQRS 39 31 30
As % of all contract IT jobs located in London 0.18% 0.14% 0.13%
As % of the Processes & Methodologies category 0.21% 0.16% 0.16%
Number of daily rates quoted 32 12 27
Median daily rate £488 £500 £500
Median daily rate % change year-on-year
-2.50% -
90% offered a daily rate of more than £355 £500 £346
10% offered a daily rate of more than £693 £500 £600
UK excluding London median daily rate £413 £375 £375
% change year-on-year
+10.00% -
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
18239 18851 19054
As % of all contract IT jobs located in London 84.79% 83.56% 80.75%
Number of daily rates quoted 13166 13449 14068
Median daily rate £480 £463 £450
Median daily rate % change year-on-year
+3.78% +2.77%
90% offered a daily rate of more than £340 £325 £300
10% offered a daily rate of more than £625 £625 £625
UK excluding London median daily rate £413 £400 £385
% change year-on-year
+3.12% +3.89%
Number of hourly rates quoted 194 230 244
Median hourly rate £25.00 £22.62 £22.38
Median hourly rate % change year-on-year
+10.52% +1.09%
90% offered a hourly rate of more than £13.50 £12.50 £11.50
10% offered a hourly rate of more than £55.00 £50.00 £53.50
UK excluding London median hourly rate £31.00 £35.00 £25.00
% change year-on-year
-11.42% +40.00%

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 8 December 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 8 December 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
City of London 0 7 £700 +27.27% 2
Croydon -21 1 £463 -
CQRS
England

CQRS
Top 30 Related IT Skills in London

For the 6 months to 8 December 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 72 (82.76%) Agile Software Development
2 71 (81.61%) TDD
3 67 (77.01%) AngularJS
4 50 (57.47%) BDD
5 46 (52.87%) Microservices
6 45 (51.72%) JavaScript
6 45 (51.72%) SQL Server
7 43 (49.43%) HTML
7 43 (49.43%) Java
8 42 (48.28%) C#
9 36 (41.38%) .NET
10 35 (40.23%) REST
11 34 (39.08%) MVC
12 33 (37.93%) CSS
13 32 (36.78%) HTML5
14 29 (33.33%) Spring
15 28 (32.18%) Scrum
15 28 (32.18%) Microsoft Azure
16 26 (29.89%) RabbitMQ
16 26 (29.89%) React
16 26 (29.89%) ASP.NET
16 26 (29.89%) Domain-Driven Design
17 25 (28.74%) Continuous Integration
17 25 (28.74%) SQL
17 25 (28.74%) ASP.NET Web API
17 25 (28.74%) DevOps
17 25 (28.74%) NoSQL
18 24 (27.59%) Mentoring
19 22 (25.29%) Finance
20 21 (24.14%) OO

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 12 (13.79%) Elasticsearch
2 3 (3.45%) Apache Spark
3 1 (1.15%) Tomcat
Business Applications
1 1 (1.15%) SAP Oil and Gas
Cloud Services
1 28 (32.18%) Microsoft Azure
2 16 (18.39%) Amazon AWS
3 13 (14.94%) GitHub
4 10 (11.49%) Amazon EC2
5 2 (2.30%) Amazon S3
Communications & Networking
1 5 (5.75%) OpenVPN
2 2 (2.30%) AMQP
2 2 (2.30%) HTTP
3 1 (1.15%) Internet
Database & Business Intelligence
1 45 (51.72%) SQL Server
2 25 (28.74%) NoSQL
3 13 (14.94%) PostgreSQL
4 11 (12.64%) Hadoop
4 11 (12.64%) MongoDB
5 10 (11.49%) Amazon DynamoDB
5 10 (11.49%) MySQL
5 10 (11.49%) Relational Database
6 6 (6.90%) Apache Cassandra
6 6 (6.90%) Azure SQL Database
6 6 (6.90%) HBase
7 1 (1.15%) Apache Hive
7 1 (1.15%) Big Data
7 1 (1.15%) CouchDB
7 1 (1.15%) Oracle Database
7 1 (1.15%) Redis
Development Applications
1 19 (21.84%) TeamCity
2 13 (14.94%) Octopus Deploy
3 6 (6.90%) Git (software)
4 4 (4.60%) Moq
5 3 (3.45%) Atlassian Bamboo
5 3 (3.45%) Hudson
5 3 (3.45%) MSBuild
5 3 (3.45%) MSTest
5 3 (3.45%) NUnit
5 3 (3.45%) Rhino Mocks
5 3 (3.45%) Subversion
5 3 (3.45%) Team Foundation Server
6 2 (2.30%) Cucumber
6 2 (2.30%) Jenkins
6 2 (2.30%) JIRA
6 2 (2.30%) JUnit
6 2 (2.30%) SpecFlow
6 2 (2.30%) WebDriver
7 1 (1.15%) Mockito
7 1 (1.15%) PHPUnit
General
1 22 (25.29%) Finance
2 12 (13.79%) Banking
3 8 (9.20%) Investment Banking
4 1 (1.15%) Electronics
4 1 (1.15%) Financial Institution
4 1 (1.15%) Manufacturing
4 1 (1.15%) Marketing
4 1 (1.15%) Publishing
4 1 (1.15%) Retail
4 1 (1.15%) Telecoms
Job Titles
1 59 (67.82%) Developer
2 34 (39.08%) Agile Developer
2 34 (39.08%) Java Developer
3 31 (35.63%) Agile Java Developer
4 18 (20.69%) C# Developer
5 12 (13.79%) Senior Developer
6 11 (12.64%) Senior Agile Developer
6 11 (12.64%) Senior Agile Java Developer
6 11 (12.64%) Senior Java Developer
7 9 (10.34%) .NET Developer
7 9 (10.34%) C# .NET Developer
8 8 (9.20%) DevOps Engineer
9 6 (6.90%) ASP.NET Developer
9 6 (6.90%) Azure Developer
9 6 (6.90%) C# ASP.NET Developer
9 6 (6.90%) C# WPF Developer
9 6 (6.90%) JavaScript Developer
9 6 (6.90%) WPF Developer
10 5 (5.75%) Digital Developer
10 5 (5.75%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 67 (77.01%) AngularJS
2 43 (49.43%) HTML
3 36 (41.38%) .NET
4 35 (40.23%) REST
5 33 (37.93%) CSS
6 32 (36.78%) HTML5
7 29 (33.33%) Spring
8 26 (29.89%) ASP.NET
8 26 (29.89%) RabbitMQ
8 26 (29.89%) React
9 25 (28.74%) ASP.NET Web API
10 21 (24.14%) Java EE
10 21 (24.14%) Node.js
11 20 (22.99%) ASP.NET MVC
12 15 (17.24%) WPF
13 14 (16.09%) RESTful
14 13 (14.94%) Web Services
15 12 (13.79%) Hibernate
16 11 (12.64%) Java SE
16 11 (12.64%) JSON
Miscellaneous
1 16 (18.39%) Public Cloud
2 13 (14.94%) Blog
2 13 (14.94%) User Experience
3 8 (9.20%) Fintech
4 3 (3.45%) Foreign Exchange (FX)
4 3 (3.45%) Online Banking
5 2 (2.30%) Analytical Skills
5 2 (2.30%) Computer Science
5 2 (2.30%) Enterprise Software
6 1 (1.15%) Derivative
6 1 (1.15%) Economics
6 1 (1.15%) Inversion of Control
6 1 (1.15%) Market Risk
6 1 (1.15%) Mathematics
6 1 (1.15%) Mobile App
6 1 (1.15%) Virtual Team
6 1 (1.15%) Visualisation
Operating Systems
1 15 (17.24%) Linux
2 10 (11.49%) Unix
3 1 (1.15%) Windows
Processes & Methodologies
1 72 (82.76%) Agile Software Development
2 71 (81.61%) TDD
3 50 (57.47%) BDD
4 46 (52.87%) Microservices
5 34 (39.08%) MVC
6 28 (32.18%) Scrum
7 26 (29.89%) Domain-Driven Design
8 25 (28.74%) Continuous Integration
8 25 (28.74%) DevOps
9 24 (27.59%) Mentoring
10 21 (24.14%) Continuous Improvement
10 21 (24.14%) Front End Development
10 21 (24.14%) OO
11 17 (19.54%) E-Commerce
12 16 (18.39%) High Availability
12 16 (18.39%) Open Source
13 12 (13.79%) Kanban
13 12 (13.79%) MVVM
13 12 (13.79%) Software Engineering
14 11 (12.64%) Coaching
Programming Languages
1 45 (51.72%) JavaScript
2 43 (49.43%) Java
3 42 (48.28%) C#
4 25 (28.74%) SQL
5 12 (13.79%) Scala
6 11 (12.64%) Ruby
7 10 (11.49%) T-SQL
8 5 (5.75%) Bash Shell
9 3 (3.45%) PowerShell
10 2 (2.30%) Python
10 2 (2.30%) TypeScript
11 1 (1.15%) C
11 1 (1.15%) Groovy
Qualifications
1 2 (2.30%) Degree
2 1 (1.15%) BC Cleared
2 1 (1.15%) SC Cleared
2 1 (1.15%) Security Cleared
Quality Assurance & Compliance
1 10 (11.49%) QA
System Software
1 2 (2.30%) Apache Flume
1 2 (2.30%) Docker
Systems Management
1 13 (14.94%) Opscode Chef
2 8 (9.20%) Ansible
3 4 (4.60%) Puppet
4 2 (2.30%) Kubernetes
Vendors
1 10 (11.49%) Terracotta
2 5 (5.75%) Microsoft
3 1 (1.15%) Oracle
3 1 (1.15%) Perforce
3 1 (1.15%) SAP
3 1 (1.15%) Xamarin