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 20 January 2017 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
20 Jan 2017
Same period 2016 Same period 2015
Command-Query Responsibility Segregation (also Command-Query Separation)
England / London
Rank 380 388 405
Rank change year-on-year
+8 +17
Contract jobs citing CQRS 29 32 12
As % of all contract IT jobs located in London 0.15% 0.15% 0.057%
As % of the Processes & Methodologies category 0.18% 0.18% 0.070%
Number of daily rates quoted 21 9 11
Median daily rate £550 £500 £600
Median daily rate % change year-on-year
+10.00% -16.66%
UK excluding London median daily rate £475 £350 £425
% change year-on-year
+35.71% -17.64%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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
16426 17684 17259
As % of all contract IT jobs located in London 84.49% 84.21% 81.54%
Number of daily rates quoted 11871 12549 12487
Median daily rate £488 £475 £450
Median daily rate % change year-on-year
+2.63% +5.55%
90% offered a daily rate of more than £350 £325 £313
10% offered a daily rate of more than £625 £625 £600
UK excluding London median daily rate £405 £400 £390
% change year-on-year
+1.25% +2.56%
Number of hourly rates quoted 160 209 193
Median hourly rate £32.00 £24.23 £22.00
Median hourly rate % change year-on-year
+32.06% +10.13%
90% offered a hourly rate of more than £14.50 £12.50 £12.50
10% offered a hourly rate of more than £55.00 £50.99 £52.50
UK excluding London median hourly rate £35.00 £40.00 £26.00
% change year-on-year
-12.50% +53.84%

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 20 January 2017.

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 20 January 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
City of London - 4 £700 - 1
CQRS
England

CQRS
Top 30 Related IT Skills in London

For the 6 months to 20 January 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 London region with a requirement for CQRS.

1 53 (72.60%) AngularJS
2 51 (69.86%) Agile Software Development
2 51 (69.86%) TDD
3 43 (58.90%) C#
4 38 (52.05%) JavaScript
4 38 (52.05%) Microservices
5 35 (47.95%) SQL Server
6 34 (46.58%) .NET
6 34 (46.58%) BDD
7 30 (41.10%) SQL
7 30 (41.10%) HTML
8 28 (38.36%) Java
8 28 (38.36%) Domain-Driven Design
9 26 (35.62%) ASP.NET Web API
9 26 (35.62%) MVC
10 25 (34.25%) React
11 24 (32.88%) HTML5
11 24 (32.88%) REST
11 24 (32.88%) ASP.NET
12 22 (30.14%) CSS
12 22 (30.14%) Scrum
12 22 (30.14%) Microsoft Azure
13 21 (28.77%) Continuous Integration
14 20 (27.40%) NoSQL
15 19 (26.03%) DevOps
15 19 (26.03%) Spring
15 19 (26.03%) Finance
16 17 (23.29%) OO
16 17 (23.29%) WPF
17 16 (21.92%) Banking

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 6 (8.22%) Elasticsearch
2 5 (6.85%) Apache Spark
3 1 (1.37%) Tomcat
Applications
1 1 (1.37%) MS Excel
Business Applications
1 1 (1.37%) SAP Oil and Gas
Cloud Services
1 22 (30.14%) Microsoft Azure
2 9 (12.33%) Amazon AWS
3 8 (10.96%) GitHub
4 4 (5.48%) Amazon EC2
5 2 (2.74%) Amazon S3
Communications & Networking
1 5 (6.85%) OpenVPN
2 4 (5.48%) HTTP
3 3 (4.11%) AMQP
4 2 (2.74%) Internet
Database & Business Intelligence
1 35 (47.95%) SQL Server
2 20 (27.40%) NoSQL
3 9 (12.33%) Apache Cassandra
3 9 (12.33%) Azure SQL Database
3 9 (12.33%) HBase
4 8 (10.96%) PostgreSQL
5 6 (8.22%) MongoDB
6 5 (6.85%) Hadoop
6 5 (6.85%) MySQL
6 5 (6.85%) Relational Database
7 4 (5.48%) Amazon DynamoDB
8 1 (1.37%) Apache Hive
8 1 (1.37%) Big Data
8 1 (1.37%) CouchDB
8 1 (1.37%) Redis
Development Applications
1 15 (20.55%) TeamCity
2 9 (12.33%) Octopus Deploy
3 7 (9.59%) Git (software)
4 5 (6.85%) Atlassian Bamboo
4 5 (6.85%) Hudson
4 5 (6.85%) MSBuild
4 5 (6.85%) Team Foundation Server
5 4 (5.48%) Subversion
6 3 (4.11%) Moq
6 3 (4.11%) SpecFlow
7 2 (2.74%) Jenkins
7 2 (2.74%) JIRA
7 2 (2.74%) MSTest
7 2 (2.74%) NUnit
7 2 (2.74%) Rhino Mocks
7 2 (2.74%) WebDriver
8 1 (1.37%) JMeter
8 1 (1.37%) JSUnit
8 1 (1.37%) JUnit
8 1 (1.37%) WebObjects
General
1 19 (26.03%) Finance
2 16 (21.92%) Banking
3 8 (10.96%) Investment Banking
4 2 (2.74%) Private Banking
5 1 (1.37%) Electronics
5 1 (1.37%) Financial Institution
5 1 (1.37%) Front Office
5 1 (1.37%) Manufacturing
5 1 (1.37%) Marketing
5 1 (1.37%) Publishing
5 1 (1.37%) Retail
5 1 (1.37%) Telecoms
Job Titles
1 51 (69.86%) Developer
2 25 (34.25%) C# Developer
3 19 (26.03%) Java Developer
4 18 (24.66%) Agile Developer
5 17 (23.29%) .NET Developer
5 17 (23.29%) C# .NET Developer
6 15 (20.55%) Agile Java Developer
7 10 (13.70%) JavaScript Developer
8 9 (12.33%) ASP.NET Developer
8 9 (12.33%) Azure Developer
8 9 (12.33%) C# ASP.NET Developer
9 8 (10.96%) Senior Developer
10 6 (8.22%) Senior Agile Developer
10 6 (8.22%) Senior Agile Java Developer
10 6 (8.22%) Senior Java Developer
10 6 (8.22%) SQL Developer
11 5 (6.85%) DevOps Engineer
11 5 (6.85%) Digital Developer
11 5 (6.85%) Linux DevOps Engineer
11 5 (6.85%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 53 (72.60%) AngularJS
2 34 (46.58%) .NET
3 30 (41.10%) HTML
4 26 (35.62%) ASP.NET Web API
5 25 (34.25%) React
6 24 (32.88%) ASP.NET
6 24 (32.88%) HTML5
6 24 (32.88%) REST
7 22 (30.14%) CSS
8 19 (26.03%) Spring
9 17 (23.29%) WPF
10 14 (19.18%) ASP.NET MVC
11 13 (17.81%) RabbitMQ
12 10 (13.70%) Java EE
12 10 (13.70%) Node.js
12 10 (13.70%) RESTful
12 10 (13.70%) WinForms
13 9 (12.33%) CSS3
13 9 (12.33%) Hibernate
13 9 (12.33%) jQuery
Miscellaneous
1 9 (12.33%) Fintech
2 8 (10.96%) Blog
2 8 (10.96%) Public Cloud
2 8 (10.96%) User Experience
3 5 (6.85%) Online Banking
4 3 (4.11%) Foreign Exchange (FX)
5 2 (2.74%) Analytical Skills
5 2 (2.74%) Computer Science
5 2 (2.74%) Enterprise Software
6 1 (1.37%) Derivative
6 1 (1.37%) Economics
6 1 (1.37%) Inversion of Control
6 1 (1.37%) Market Risk
6 1 (1.37%) Mathematics
6 1 (1.37%) Mobile App
6 1 (1.37%) Virtual Team
6 1 (1.37%) Visualisation
Operating Systems
1 10 (13.70%) Linux
2 5 (6.85%) Unix
3 1 (1.37%) Windows
Processes & Methodologies
1 51 (69.86%) Agile Software Development
1 51 (69.86%) TDD
2 38 (52.05%) Microservices
3 34 (46.58%) BDD
4 28 (38.36%) Domain-Driven Design
5 26 (35.62%) MVC
6 22 (30.14%) Scrum
7 21 (28.77%) Continuous Integration
8 19 (26.03%) DevOps
9 17 (23.29%) OO
10 13 (17.81%) Mentoring
10 13 (17.81%) MVVM
10 13 (17.81%) Open Source
11 11 (15.07%) E-Commerce
12 10 (13.70%) Front End Development
13 8 (10.96%) Continuous Improvement
13 8 (10.96%) High Availability
13 8 (10.96%) Performance Testing
13 8 (10.96%) Performance Tuning
13 8 (10.96%) Software Engineering
Programming Languages
1 43 (58.90%) C#
2 38 (52.05%) JavaScript
3 30 (41.10%) SQL
4 28 (38.36%) Java
5 9 (12.33%) T-SQL
6 7 (9.59%) Scala
7 5 (6.85%) Bash Shell
7 5 (6.85%) PowerShell
7 5 (6.85%) Ruby
8 3 (4.11%) TypeScript
9 2 (2.74%) Python
10 1 (1.37%) C
Qualifications
1 2 (2.74%) Degree
Quality Assurance & Compliance
1 4 (5.48%) QA
System Software
1 4 (5.48%) Apache Flume
2 2 (2.74%) Docker
Systems Management
1 10 (13.70%) Ansible
2 9 (12.33%) Opscode Chef
3 6 (8.22%) Puppet
4 2 (2.74%) Kubernetes
Vendors
1 7 (9.59%) Microsoft
2 4 (5.48%) Terracotta
3 1 (1.37%) Perforce
3 1 (1.37%) SAP
3 1 (1.37%) Xamarin
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