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 23 February 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
23 Feb 2017
Same period 2016 Same period 2015
Command-Query Responsibility Segregation (also Command-Query Separation)
England / London
Rank 349 392 409
Rank change year-on-year
+43 +17
Contract jobs citing CQRS 53 23 6
As % of all contract IT jobs located in London 0.27% 0.11% 0.028%
As % of the Processes & Methodologies category 0.32% 0.13% 0.034%
Number of daily rates quoted 36 7 5
Median daily rate £500 £450 £600
Median daily rate % change year-on-year
+11.11% -25.00%
UK excluding London median daily rate £525 £375 £413
% change year-on-year
+40.00% -9.09%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - £7.69

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
16429 18227 17626
As % of all contract IT jobs located in London 84.94% 85.00% 82.15%
Number of daily rates quoted 11899 13033 12566
Median daily rate £475 £475 £450
Median daily rate % change year-on-year
- +5.55%
90% offered a daily rate of more than £340 £325 £305
10% offered a daily rate of more than £638 £625 £600
UK excluding London median daily rate £410 £400 £400
% change year-on-year
+2.50% -
Number of hourly rates quoted 156 218 206
Median hourly rate £33.00 £22.50 £21.50
Median hourly rate % change year-on-year
+46.66% +4.65%
90% offered a hourly rate of more than £14.04 £12.50 £11.00
10% offered a hourly rate of more than £55.00 £53.00 £51.50
UK excluding London median hourly rate £36.00 £40.00 £27.50
% change year-on-year
-10.00% +45.45%

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 23 February 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 23 February 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 - 2 £625 - 1
CQRS
England

CQRS
Top 30 Related IT Skills in London

For the 6 months to 23 February 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 60 (68.18%) Agile Software Development
2 59 (67.05%) C#
3 55 (62.50%) TDD
4 52 (59.09%) AngularJS
5 49 (55.68%) .NET
6 42 (47.73%) JavaScript
6 42 (47.73%) Microservices
7 39 (44.32%) ASP.NET Web API
8 38 (43.18%) SQL Server
9 37 (42.05%) SQL
10 36 (40.91%) Domain-Driven Design
11 33 (37.50%) ASP.NET
12 30 (34.09%) BDD
13 27 (30.68%) Java
13 27 (30.68%) MVC
13 27 (30.68%) Scrum
14 26 (29.55%) Microsoft Azure
15 25 (28.41%) DevOps
16 23 (26.14%) React
16 23 (26.14%) HTML
17 22 (25.00%) Continuous Integration
17 22 (25.00%) Banking
17 22 (25.00%) HTML5
18 21 (23.86%) NoSQL
18 21 (23.86%) Spring
18 21 (23.86%) TeamCity
19 19 (21.59%) Finance
19 19 (21.59%) Scala
19 19 (21.59%) RabbitMQ
20 18 (20.45%) REST

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 15 (17.05%) Apache Spark
2 12 (13.64%) Elasticsearch
3 5 (5.68%) NServiceBus
4 1 (1.14%) Tomcat
Applications
1 1 (1.14%) MS Excel
Cloud Services
1 26 (29.55%) Microsoft Azure
2 13 (14.77%) Amazon AWS
3 11 (12.50%) GitHub
4 7 (7.95%) Amazon EC2
Communications & Networking
1 14 (15.91%) HTTP
2 9 (10.23%) Internet
3 4 (4.55%) TCP/IP
4 3 (3.41%) AMQP
4 3 (3.41%) OpenVPN
Database & Business Intelligence
1 38 (43.18%) SQL Server
2 21 (23.86%) NoSQL
3 12 (13.64%) Hadoop
4 10 (11.36%) Apache Cassandra
4 10 (11.36%) Azure SQL Database
4 10 (11.36%) HBase
4 10 (11.36%) PostgreSQL
5 7 (7.95%) Amazon DynamoDB
6 5 (5.68%) Apache Hive
6 5 (5.68%) Redis
7 4 (4.55%) MongoDB
8 3 (3.41%) MySQL
8 3 (3.41%) Relational Database
9 1 (1.14%) Big Data
Development Applications
1 21 (23.86%) TeamCity
2 17 (19.32%) Octopus Deploy
3 12 (13.64%) Git (software)
4 10 (11.36%) Atlassian Bamboo
4 10 (11.36%) Hudson
4 10 (11.36%) MSBuild
4 10 (11.36%) Team Foundation Server
5 6 (6.82%) Jenkins
5 6 (6.82%) WebDriver
6 5 (5.68%) Subversion
7 4 (4.55%) SpecFlow
8 3 (3.41%) Moq
9 2 (2.27%) JIRA
9 2 (2.27%) MSTest
9 2 (2.27%) NUnit
9 2 (2.27%) Rhino Mocks
10 1 (1.14%) Burp Suite
10 1 (1.14%) JSUnit
10 1 (1.14%) PHPUnit
10 1 (1.14%) Protractor
General
1 22 (25.00%) Banking
2 19 (21.59%) Finance
3 8 (9.09%) Investment Banking
4 3 (3.41%) Private Banking
5 2 (2.27%) Front Office
6 1 (1.14%) Financial Institution
Job Titles
1 67 (76.14%) Developer
2 38 (43.18%) C# Developer
3 25 (28.41%) .NET Developer
3 25 (28.41%) C# .NET Developer
4 20 (22.73%) Java Developer
5 15 (17.05%) Azure Developer
6 12 (13.64%) Senior Developer
7 11 (12.50%) Agile Developer
7 11 (12.50%) ASP.NET Developer
7 11 (12.50%) C# ASP.NET Developer
7 11 (12.50%) JavaScript Developer
8 9 (10.23%) Scala Developer
9 8 (9.09%) Java Scala Developer
10 7 (7.95%) Agile Java Developer
10 7 (7.95%) Senior C# Developer
10 7 (7.95%) SQL Developer
11 6 (6.82%) AWS Developer
12 5 (5.68%) Architect
12 5 (5.68%) Digital Developer
13 4 (4.55%) Software Engineer
Libraries, Frameworks & Software Standards
1 52 (59.09%) AngularJS
2 49 (55.68%) .NET
3 39 (44.32%) ASP.NET Web API
4 33 (37.50%) ASP.NET
5 23 (26.14%) HTML
5 23 (26.14%) React
6 22 (25.00%) HTML5
7 21 (23.86%) Spring
8 19 (21.59%) RabbitMQ
9 18 (20.45%) ASP.NET MVC
9 18 (20.45%) REST
9 18 (20.45%) WPF
10 17 (19.32%) CSS
10 17 (19.32%) Hibernate
11 15 (17.05%) Akka
11 15 (17.05%) Kafka
12 14 (15.91%) Apache Avro
12 14 (15.91%) Play Framework
13 13 (14.77%) RESTful
14 11 (12.50%) Node.js
Miscellaneous
1 11 (12.50%) Blog
2 10 (11.36%) Online Banking
2 10 (11.36%) Public Cloud
3 9 (10.23%) User Experience
4 8 (9.09%) Fintech
5 3 (3.41%) Foreign Exchange (FX)
6 2 (2.27%) Computer Science
7 1 (1.14%) Analytical Skills
7 1 (1.14%) Derivative
7 1 (1.14%) Enterprise Software
7 1 (1.14%) Market Risk
7 1 (1.14%) Mobile App
Operating Systems
1 6 (6.82%) Linux
2 3 (3.41%) Unix
3 1 (1.14%) Windows
Processes & Methodologies
1 60 (68.18%) Agile Software Development
2 55 (62.50%) TDD
3 42 (47.73%) Microservices
4 36 (40.91%) Domain-Driven Design
5 30 (34.09%) BDD
6 27 (30.68%) MVC
6 27 (30.68%) Scrum
7 25 (28.41%) DevOps
8 22 (25.00%) Continuous Integration
9 18 (20.45%) E-Commerce
10 14 (15.91%) Automated Testing
10 14 (15.91%) MVVM
11 13 (14.77%) Open Source
12 12 (13.64%) OO
12 12 (13.64%) Software Engineering
13 11 (12.50%) SOLID
14 10 (11.36%) High Availability
14 10 (11.36%) Pair Programming
15 9 (10.23%) Performance Testing
15 9 (10.23%) Performance Tuning
Programming Languages
1 59 (67.05%) C#
2 42 (47.73%) JavaScript
3 37 (42.05%) SQL
4 27 (30.68%) Java
5 19 (21.59%) Scala
6 10 (11.36%) T-SQL
7 8 (9.09%) PowerShell
8 7 (7.95%) Ruby
9 4 (4.55%) C++
10 3 (3.41%) Bash Shell
10 3 (3.41%) TypeScript
11 2 (2.27%) Python
12 1 (1.14%) C
Qualifications
1 2 (2.27%) Degree
Quality Assurance & Compliance
1 6 (6.82%) QA
System Software
1 14 (15.91%) Apache Flume
2 2 (2.27%) Docker
Systems Management
1 15 (17.05%) Opscode Chef
2 11 (12.50%) Ansible
3 9 (10.23%) Puppet
4 2 (2.27%) Kubernetes
Vendors
1 8 (9.09%) Microsoft
2 2 (2.27%) Xamarin
3 1 (1.14%) Perforce
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