The table below looks at the statistics for CQRS skills in IT contracts advertised for the London region. Included is a guide to the average contractor rates offered in IT contracts that have cited CQRS over the 3 months to 30 June 2015 with a comparison to the same period in 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.

Location
3 months to
30 Jun 2015
Same period 2014 Same period 2013
Command-Query Responsibility Segregation (also Command-Query Separation)
Rank 418 395 397
Rank change year-on-year
-23 +2
Contract jobs citing CQRS 4 15 9
As % of all contract IT jobs located in London 0.017% 0.064% 0.039%
As % of the Processes & Methodologies category 0.022% 0.082% 0.049%
Number of daily rates quoted 4 13 9
Average daily rate
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£525 £475 £410
Average daily rate % change year-on-year
+10.52% +15.85%
90% offered a daily rate of more than £398 £400 £370
10% offered a daily rate of more than £600 £675 £430
UK excluding London average daily rate - £358 £425
% change year-on-year
- -15.88%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average 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
18451 18365 18344
As % of all contract IT jobs located in London 78.75% 78.93% 78.52%
Number of daily rates quoted 13136 13008 12664
Average daily rate £450 £440 £450
Average daily rate % change year-on-year
+2.27% -2.22%
90% offered a daily rate of more than £313 £300 £300
10% offered a daily rate of more than £625 £600 £600
UK excluding London average daily rate £388 £375 £365
% change year-on-year
+3.33% +2.73%
Number of hourly rates quoted 224 228 281
Average hourly rate £22.00 £20.00 £28.00
Average hourly rate % change year-on-year
+10.00% -28.57%
90% offered a hourly rate of more than £11.00 £13.00 £15.00
10% offered a hourly rate of more than £55.00 £53.00 £59.00
UK excluding London average hourly rate £30.00 £30.00 £30.50
% change year-on-year
- -1.63%

CQRS
Jobs Demand Trend in London

This chart provides a 3-month moving total of IT contractor jobs citing CQRS across the London region as a proportion of the total demand within 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 30 June 2015.

CQRS Daily Rate Histogram in London

CQRS
Top 30 Related IT Skills in London

For the 6 months to 30 June 2015, IT contractor jobs across the London region citing CQRS also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited CQRS.

1 6 (85.71%) TDD
2 5 (71.43%) Agile Software Development
2 5 (71.43%) Java
2 5 (71.43%) Domain-Driven Design
2 5 (71.43%) BDD
3 3 (42.86%) MongoDB
3 3 (42.86%) C#
3 3 (42.86%) Spring
4 2 (28.57%) Multithreading
4 2 (28.57%) SQL
4 2 (28.57%) Linux
4 2 (28.57%) NoSQL
4 2 (28.57%) RESTful
4 2 (28.57%) Hadoop
4 2 (28.57%) Redis
4 2 (28.57%) Market Risk
4 2 (28.57%) REST
4 2 (28.57%) Relational Database
4 2 (28.57%) ActiveMQ
5 1 (14.29%) Microservices
5 1 (14.29%) Market Making
5 1 (14.29%) RavenDB
5 1 (14.29%) Continuous Integration
5 1 (14.29%) NServiceBus
5 1 (14.29%) Neo4j
5 1 (14.29%) Kafka
5 1 (14.29%) AngularJS
5 1 (14.29%) Gradle
5 1 (14.29%) Twitter Bootstrap
5 1 (14.29%) Apache Camel

CQRS
Top Related IT Skills in London by Category

For the 6 months to 30 June 2015, IT contractor jobs across the London region citing CQRS also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited CQRS. Up to 20 skills are shown per category.

Application Platforms
1 1 (14.29%) NServiceBus
Communications & Networking
1 1 (14.29%) DSL
Database & Business Intelligence
1 3 (42.86%) MongoDB
2 2 (28.57%) NoSQL
2 2 (28.57%) Redis
2 2 (28.57%) Hadoop
2 2 (28.57%) Relational Database
3 1 (14.29%) Neo4j
3 1 (14.29%) RavenDB
Development Applications
1 1 (14.29%) JUnit
1 1 (14.29%) Eclipse
1 1 (14.29%) Maven
1 1 (14.29%) JIRA
1 1 (14.29%) Git (software)
1 1 (14.29%) Gradle
General
1 1 (14.29%) Front Office
1 1 (14.29%) Legal
1 1 (14.29%) Publishing
1 1 (14.29%) Banking
1 1 (14.29%) Investment Banking
Job Titles
1 7 (100.00%) Developer
2 5 (71.43%) Java Developer
3 3 (42.86%) Senior Developer
3 3 (42.86%) Senior Java Developer
4 2 (28.57%) Agile Java Developer
4 2 (28.57%) C# Developer
5 1 (14.29%) C# .NET Developer
5 1 (14.29%) WPF Developer
5 1 (14.29%) .NET Developer
Libraries, Frameworks & Software Standards
1 3 (42.86%) Spring
2 2 (28.57%) REST
2 2 (28.57%) RESTful
2 2 (28.57%) ActiveMQ
3 1 (14.29%) RabbitMQ
3 1 (14.29%) Kafka
3 1 (14.29%) AngularJS
3 1 (14.29%) Twitter Bootstrap
3 1 (14.29%) Apache Camel
3 1 (14.29%) TIBCO EMS
3 1 (14.29%) FIX Protocol
3 1 (14.29%) WCF
3 1 (14.29%) WPF
3 1 (14.29%) Drools
3 1 (14.29%) .NET
3 1 (14.29%) Web Services
3 1 (14.29%) Swing
3 1 (14.29%) JMS
Miscellaneous
1 2 (28.57%) Market Risk
Operating Systems
1 2 (28.57%) Linux
2 1 (14.29%) UNIX
Processes & Methodologies
1 6 (85.71%) TDD
2 5 (71.43%) Agile Software Development
2 5 (71.43%) Domain-Driven Design
2 5 (71.43%) BDD
3 2 (28.57%) Multithreading
4 1 (14.29%) Electronic Trading
4 1 (14.29%) BPMN
4 1 (14.29%) MVVM
4 1 (14.29%) Complex Event Processing
4 1 (14.29%) MVC
4 1 (14.29%) Web Development
4 1 (14.29%) Continuous Integration
4 1 (14.29%) Microservices
4 1 (14.29%) Market Making
Programming Languages
1 5 (71.43%) Java
2 3 (42.86%) C#
3 2 (28.57%) SQL
4 1 (14.29%) Python
Vendors
1 1 (14.29%) TIBCO