The following table provides summary statistics for contract job vacancies advertised in England with a requirement for CQRS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CQRS over the 3 months to 27 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.

Command-Query Responsibility Segregation (also Command-Query Separation)
UK / England
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 513 569 618
Rank change year-on-year +56 +49  
Contract jobs citing CQRS 88 54 8
As % of all contract IT jobs advertised in England 0.20% 0.11% 0.016%
As % of the Processes & Methodologies category 0.24% 0.13% 0.020%
Number of daily rates quoted 63 39 4
Median daily rate £500 £475 £525
Median daily rate % change year-on-year +5.26% -9.52%  
90% offered a daily rate of more than £380 £438 £398
10% offered a daily rate of more than £640 £575 £600
UK excluding London median daily rate £500 £494 -
% change year-on-year +1.26% -  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

CQRS 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 England with a requirement for process and methodology skills.

Contract Process & Methodology Skills
England
Contract job vacancies with a requirement for process and methodology skills 36629 41404 40602
As % of all contract IT job vacancies advertised in England 84.70% 83.49% 80.85%
Number of daily rates quoted 24036 27790 26591
Median daily rate £450 £450 £415
Median daily rate % change year-on-year - +8.43%  
90% offered a daily rate of more than £313 £300 £288
10% offered a daily rate of more than £600 £600 £588
UK excluding London median daily rate £415 £400 £385
% change year-on-year +3.75% +3.89%  
Number of hourly rates quoted 948 977 1113
Median hourly rate £32.00 £27.50 £26.00
Median hourly rate % change year-on-year +16.36% +5.76%  
90% offered a hourly rate of more than £12.81 £12.58 £12.00
10% offered a hourly rate of more than £52.50 £48.00 £50.00
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

CQRS
Job Vacancy Trend in England

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

Job vacancy trend for CQRS in England

CQRS
Contractor Daily Rate Trend in England

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

Contractor daily rate trend for CQRS in England

CQRS
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing CQRS in England over the 3 months to 27 June 2017.

Contractor daily rate histogram for CQRS in England

CQRS
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 CQRS within the England region over the 3 months to 27 June 2017. 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 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
London +49 78 £500 +5.26% 15
South West +8 5 £500 +2.56% 2
North West - 3 £498 - 1
South East -5 1 £475 -5.00% 6
CQRS
UK

For the 6 months to 27 June 2017, 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 England region with a requirement for CQRS.

1 120 (77.92%) Agile Software Development
2 89 (57.79%) .NET
3 83 (53.90%) AngularJS
4 82 (53.25%) TDD
5 80 (51.95%) C#
6 70 (45.45%) ASP.NET Web API
6 70 (45.45%) Microservices
7 67 (43.51%) Domain-Driven Design
8 65 (42.21%) ASP.NET
9 61 (39.61%) JavaScript
10 60 (38.96%) Scrum
11 57 (37.01%) Java
11 57 (37.01%) BDD
12 55 (35.71%) NoSQL
13 51 (33.12%) MVC
14 46 (29.87%) TeamCity
15 44 (28.57%) Octopus Deploy
16 42 (27.27%) DevOps
16 42 (27.27%) Finance
17 41 (26.62%) Microsoft Azure
17 41 (26.62%) RabbitMQ
18 40 (25.97%) Kafka
18 40 (25.97%) Spring
19 39 (25.32%) E-Commerce
20 37 (24.03%) Scala
20 37 (24.03%) Greenfield Project
21 36 (23.38%) Akka
21 36 (23.38%) Software Engineering
22 34 (22.08%) Opscode Chef
22 34 (22.08%) Amazon AWS

CQRS
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 28 (18.18%) Elasticsearch
2 22 (14.29%) NServiceBus
3 20 (12.99%) Apache Spark
4 4 (2.60%) Confluence
4 4 (2.60%) Mule
5 2 (1.30%) Alfresco
5 2 (1.30%) Apache
5 2 (1.30%) JBoss
5 2 (1.30%) Tomcat
6 1 (0.65%) Apache TomEE
6 1 (0.65%) Jetty
6 1 (0.65%) OpenStack
6 1 (0.65%) WebLogic
6 1 (0.65%) WebSphere
6 1 (0.65%) WildFly
Business Applications
1 1 (0.65%) SAP Oil and Gas
Cloud Services
1 41 (26.62%) Microsoft Azure
2 34 (22.08%) Amazon AWS
3 24 (15.58%) GitHub
4 21 (13.64%) Amazon EC2
5 3 (1.95%) Heroku
6 2 (1.30%) PaaS
7 1 (0.65%) Amazon Kinesis
7 1 (0.65%) Azure Machine Learning
7 1 (0.65%) Cloud Computing
7 1 (0.65%) IaaS
7 1 (0.65%) SaaS
Communications & Networking
1 23 (14.94%) HTTP
2 13 (8.44%) Internet
3 7 (4.55%) TCP/IP
4 3 (1.95%) DNS
4 3 (1.95%) FTP
4 3 (1.95%) SSL
5 1 (0.65%) AMQP
Database & Business Intelligence
1 55 (35.71%) NoSQL
2 31 (20.13%) SQL Server
3 30 (19.48%) MongoDB
4 27 (17.53%) Hadoop
5 24 (15.58%) Amazon DynamoDB
6 18 (11.69%) PostgreSQL
7 7 (4.55%) Apache Hive
7 7 (4.55%) Redis
8 5 (3.25%) Apache Cassandra
9 3 (1.95%) RavenDB
9 3 (1.95%) Relational Database
10 2 (1.30%) HBase
11 1 (0.65%) Azure SQL Database
11 1 (0.65%) MySQL
Development Applications
1 46 (29.87%) TeamCity
2 44 (28.57%) Octopus Deploy
3 27 (17.53%) Git (software)
4 20 (12.99%) SpecFlow
5 15 (9.74%) Hudson
5 15 (9.74%) Subversion
5 15 (9.74%) Team Foundation Server
6 14 (9.09%) Atlassian Bamboo
6 14 (9.09%) MSBuild
7 12 (7.79%) Jenkins
8 9 (5.84%) WebDriver
9 6 (3.90%) Jasmine
9 6 (3.90%) JUnit
9 6 (3.90%) Mockito
10 5 (3.25%) webpack
11 4 (2.60%) Gradle
11 4 (2.60%) Protractor
12 3 (1.95%) JIRA
12 3 (1.95%) Karma Test Runner
13 2 (1.30%) Maven
General
1 42 (27.27%) Finance
2 23 (14.94%) Banking
3 2 (1.30%) Front Office
3 2 (1.30%) Private Banking
4 1 (0.65%) Electronics
4 1 (0.65%) Law
4 1 (0.65%) Legal
4 1 (0.65%) Local Government
4 1 (0.65%) Manufacturing
4 1 (0.65%) Marketing
4 1 (0.65%) Telecoms
Job Titles
1 134 (87.01%) Developer
2 50 (32.47%) .NET Developer
2 50 (32.47%) C# Developer
3 42 (27.27%) Java Developer
4 30 (19.48%) C# .NET Developer
5 29 (18.83%) Senior Developer
6 24 (15.58%) Azure Developer
6 24 (15.58%) Full Stack Developer
7 20 (12.99%) Senior C# Developer
8 18 (11.69%) AWS Developer
9 15 (9.74%) Angular Developer
9 15 (9.74%) Scala Developer
10 13 (8.44%) Agile Developer
11 12 (7.79%) Senior .NET Developer
12 11 (7.14%) Java Scala Developer
13 10 (6.49%) Senior C# .NET Developer
14 9 (5.84%) ASP.NET Developer
14 9 (5.84%) C# ASP.NET Developer
15 8 (5.19%) Agile .NET Developer
15 8 (5.19%) Senior ASP.NET Developer
Libraries, Frameworks & Software Standards
1 89 (57.79%) .NET
2 83 (53.90%) AngularJS
3 70 (45.45%) ASP.NET Web API
4 65 (42.21%) ASP.NET
5 41 (26.62%) RabbitMQ
6 40 (25.97%) Kafka
6 40 (25.97%) Spring
7 36 (23.38%) Akka
8 31 (20.13%) RESTful
9 29 (18.83%) ASP.NET MVC
10 26 (16.88%) Hibernate
11 25 (16.23%) React
12 24 (15.58%) Node.js
13 22 (14.29%) Ember.js
13 22 (14.29%) Play Framework
14 21 (13.64%) Redux
15 20 (12.99%) Apache Avro
15 20 (12.99%) HTML
16 18 (11.69%) Angular 2
16 18 (11.69%) REST
Miscellaneous
1 37 (24.03%) Greenfield Project
2 27 (17.53%) Public Cloud
3 24 (15.58%) Blog
4 15 (9.74%) User Experience
5 14 (9.09%) Fintech
5 14 (9.09%) Online Banking
6 13 (8.44%) Hedge funds
7 9 (5.84%) Foreign Exchange (FX)
8 3 (1.95%) Computer Science
9 2 (1.30%) Enterprise Software
9 2 (1.30%) W3C
10 1 (0.65%) Client/Server
10 1 (0.65%) Management Information System
10 1 (0.65%) NHS
10 1 (0.65%) N-Tier
Operating Systems
1 6 (3.90%) Linux
2 3 (1.95%) CoreOS
3 1 (0.65%) Mac OS X
3 1 (0.65%) Mesosphere
3 1 (0.65%) Unix
Processes & Methodologies
1 120 (77.92%) Agile Software Development
2 82 (53.25%) TDD
3 70 (45.45%) Microservices
4 67 (43.51%) Domain-Driven Design
5 60 (38.96%) Scrum
6 57 (37.01%) BDD
7 51 (33.12%) MVC
8 42 (27.27%) DevOps
9 39 (25.32%) E-Commerce
10 36 (23.38%) Software Engineering
11 28 (18.18%) SOLID
11 28 (18.18%) Test Automation
12 27 (17.53%) Continuous Integration
13 25 (16.23%) High Availability
14 24 (15.58%) Kanban
14 24 (15.58%) Pair Programming
15 23 (14.94%) Continuous Improvement
16 18 (11.69%) Open Source
17 16 (10.39%) Front End Development
18 14 (9.09%) Complex Event Processing
Programming Languages
1 80 (51.95%) C#
2 61 (39.61%) JavaScript
3 57 (37.01%) Java
4 37 (24.03%) Scala
5 26 (16.88%) SQL
6 21 (13.64%) Ruby
7 12 (7.79%) PowerShell
8 8 (5.19%) PL/SQL
8 8 (5.19%) TypeScript
9 5 (3.25%) T-SQL
10 4 (2.60%) C++
11 3 (1.95%) Groovy
12 2 (1.30%) Bash Shell
12 2 (1.30%) ES6
12 2 (1.30%) PHP
12 2 (1.30%) VBScript
13 1 (0.65%) Python
Qualifications
1 3 (1.95%) Computer Science Degree
1 3 (1.95%) Degree
2 1 (0.65%) SC Cleared
2 1 (0.65%) Security Cleared
Quality Assurance & Compliance
1 15 (9.74%) QA
System Software
1 20 (12.99%) Apache Flume
2 10 (6.49%) Docker
Systems Management
1 34 (22.08%) Opscode Chef
2 17 (11.04%) Ansible
2 17 (11.04%) Puppet
3 3 (1.95%) Docker Swarm
3 3 (1.95%) Kubernetes
3 3 (1.95%) Terraform
4 2 (1.30%) Marathon
5 1 (0.65%) Kibana
5 1 (0.65%) Mesos
Vendors
1 14 (9.09%) Microsoft
2 8 (5.19%) Oracle
3 3 (1.95%) Atlassian
4 2 (1.30%) SAP
5 1 (0.65%) BEA
5 1 (0.65%) IBM
5 1 (0.65%) Red Hat
5 1 (0.65%) Xamarin
London
Joseph Harry Ltd
Posted: 13 hours ago
Manchester, Lancashire
Capita Resourcing - IT Resourcing
Rate: £475 - £520 per day
Posted: 6 hours ago
London
Austin Fraser
Rate: £400 - £425 per day
Posted: 6 days ago
London
Joseph Harry Ltd
Posted: 6 days ago
East London
Careerwise UK Limited
Rate: £600 - £650 per day
Posted: 6 days ago