Period
to 21 June 2018

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 6 months to 21 June 2018 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
6 months to
21 Jun 2018
Same period 2017 Same period 2016
Rank 589 663 796
Rank change year-on-year +74 +133 +8
Contract jobs citing CQRS 279 147 73
As % of all contract IT jobs advertised in England 0.31% 0.17% 0.074%
As % of the Processes & Methodologies category 0.36% 0.21% 0.088%
Number of daily rates quoted 216 102 50
England median daily rate £475 £500 £475
Median daily rate % change year-on-year -5.00% +5.26% +15.15%
10th Percentile £400 £363 £338
90th Percentile £625 £600 £577
UK median daily rate £475 £500 £475
% change year-on-year -5.00% +5.26% +15.15%
Number of hourly rates quoted 0 0 0
England median hourly rate - - -
UK median hourly rate - - -

CQRS is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in England with a requirement for process or methodology skills.

All Process and Methodology Skills
England
Contract vacancies with a requirement for process or methodology skills 78,369 71,397 82,671
As % of all contract IT jobs advertised in England 85.80% 84.96% 84.14%
Number of daily rates quoted 52,008 46,986 55,155
England median daily rate £463 £450 £425
Median daily rate % change year-on-year +2.78% +5.88% +4.94%
10th Percentile £300 £278 £263
90th Percentile £638 £625 £613
UK median daily rate £450 £438 £425
% change year-on-year +2.86% +2.94% +6.25%
Number of hourly rates quoted 2,145 1,884 2,050
England median hourly rate £22.00 £25.00 £25.00
Median hourly rate % change year-on-year -12.00% - +19.05%
10th Percentile £11.25 £11.50 £12.00
90th Percentile £50.00 £51.50 £50.68
UK median hourly rate £21.75 £25.00 £25.06
% change year-on-year -13.00% -0.24% +18.49%

CQRS
Job Vacancy Trend in England

Job postings citing CQRS as a percentage of all IT jobs advertised in England.

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 6 months to 21 June 2018.

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 6 months to 21 June 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +55 226 £500 - 19
North of England -20 15 £400 -19.60% 8
East of England - 13 £438 - 4
Midlands -1 12 £400 -3.03% 5
Yorkshire -5 9 £400 -
South East -11 8 £538 +13.16% 7
East Midlands - 7 £400 - 4
North West -4 6 £425 -14.57% 7
South West +4 5 £600 +20.00% 2
West Midlands -7 5 £425 +3.03% 1
CQRS
UK

For the 6 months to 21 June 2018, IT contractor jobs citing CQRS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the England region with a requirement for CQRS.

1 220 (78.85%) Agile Software Development
2 182 (65.23%) Domain-Driven Design
3 161 (57.71%) Microservices
4 150 (53.76%) TDD
5 142 (50.90%) C#
6 138 (49.46%) .NET
7 122 (43.73%) AngularJS
8 120 (43.01%) Scrum
9 110 (39.43%) Git (software)
10 98 (35.13%) JavaScript
11 89 (31.90%) RESTful
11 89 (31.90%) Microsoft Azure
11 89 (31.90%) ASP.NET Web API
12 86 (30.82%) ASP.NET
13 85 (30.47%) DevOps
14 83 (29.75%) React
14 83 (29.75%) JMS
14 83 (29.75%) MVC
15 82 (29.39%) Java
15 82 (29.39%) OO
16 80 (28.67%) BDD
17 69 (24.73%) Amazon AWS
18 65 (23.30%) Continuous Integration
19 61 (21.86%) HTML
20 59 (21.15%) CSS
21 58 (20.79%) PostgreSQL
21 58 (20.79%) Node.js
21 58 (20.79%) Java 8
22 55 (19.71%) Octopus Deploy
22 55 (19.71%) .NET Core

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 43 (15.41%) Confluence
1 43 (15.41%) NServiceBus
2 36 (12.90%) WildFly
3 6 (2.15%) Elasticsearch
4 5 (1.79%) Tomcat
5 2 (0.72%) JBoss
6 1 (0.36%) DataSynapse
Business Applications
1 5 (1.79%) Dynamics CRM
Cloud Services
1 89 (31.90%) Microsoft Azure
2 69 (24.73%) Amazon AWS
3 32 (11.47%) GitHub
4 22 (7.89%) npm
5 6 (2.15%) AWS CloudFormation
6 5 (1.79%) Google Cloud Platform
7 4 (1.43%) Serverless
8 3 (1.08%) Amazon EC2
8 3 (1.08%) Amazon SQS
8 3 (1.08%) PaaS
9 2 (0.72%) iPaaS
10 1 (0.36%) Amazon S3
10 1 (0.36%) AWS Elastic Beanstalk
10 1 (0.36%) Google Play
10 1 (0.36%) IaaS
Database & Business Intelligence
1 58 (20.79%) PostgreSQL
2 48 (17.20%) NoSQL
3 43 (15.41%) SQL Server
4 41 (14.70%) Relational Database
5 39 (13.98%) RDBMS
6 31 (11.11%) MongoDB
7 21 (7.53%) RavenDB
8 19 (6.81%) SQL Server 2012
9 15 (5.38%) SQL Server 2008
10 11 (3.94%) Azure SQL Database
11 7 (2.51%) Apache Cassandra
11 7 (2.51%) MySQL
12 5 (1.79%) Cosmos DB
13 3 (1.08%) Amazon DynamoDB
13 3 (1.08%) Big Data
13 3 (1.08%) Neo4j
14 2 (0.72%) Hadoop
14 2 (0.72%) SQL Server Analysis Services
14 2 (0.72%) SQL Server Integration Services
14 2 (0.72%) SQL Server Reporting Services
Development Applications
1 110 (39.43%) Git (software)
2 55 (19.71%) Octopus Deploy
3 43 (15.41%) JIRA
4 42 (15.05%) JUnit
4 42 (15.05%) Mockito
4 42 (15.05%) TeamCity
5 39 (13.98%) Checkstyle
5 39 (13.98%) Liquibase
5 39 (13.98%) Maven
5 39 (13.98%) SonarQube
6 25 (8.96%) Vagrant
7 22 (7.89%) webpack
8 17 (6.09%) SpecFlow
9 13 (4.66%) NUnit
10 12 (4.30%) Protractor
11 11 (3.94%) Jenkins
12 9 (3.23%) gulp
12 9 (3.23%) Jasmine
12 9 (3.23%) Subversion
13 7 (2.51%) Visual Studio
General
1 53 (19.00%) Finance
2 38 (13.62%) Banking
3 9 (3.23%) Retail
4 5 (1.79%) Telecoms
5 4 (1.43%) Manufacturing
6 2 (0.72%) Electronics
6 2 (0.72%) Marketing
7 1 (0.36%) Advertising
7 1 (0.36%) Financial Institution
7 1 (0.36%) Front Office
7 1 (0.36%) Investment Banking
7 1 (0.36%) Legal
7 1 (0.36%) Publishing
Job Titles
1 238 (85.30%) Developer
2 119 (42.65%) .NET Developer
3 64 (22.94%) Senior Developer
4 53 (19.00%) C# Developer
4 53 (19.00%) Senior .NET Developer
5 44 (15.77%) Java Developer
6 42 (15.05%) Node.js Developer
7 38 (13.62%) C# .NET Developer
8 28 (10.04%) Full Stack Developer
8 28 (10.04%) JavaScript Developer
9 27 (9.68%) Angular Developer
10 20 (7.17%) SC Cleared Java Developer
11 19 (6.81%) Senior C# Developer
12 16 (5.73%) React Developer
12 16 (5.73%) Senior C# .NET Developer
13 12 (4.30%) Azure Developer
14 10 (3.58%) Front End Developer (Client-Side Developer)
15 9 (3.23%) ASP.NET Developer
15 9 (3.23%) C# ASP.NET Developer
15 9 (3.23%) Principal Developer
Libraries, Frameworks & Software Standards
1 138 (49.46%) .NET
2 122 (43.73%) AngularJS
3 89 (31.90%) ASP.NET Web API
3 89 (31.90%) RESTful
4 86 (30.82%) ASP.NET
5 83 (29.75%) JMS
5 83 (29.75%) React
6 61 (21.86%) HTML
7 59 (21.15%) CSS
8 58 (20.79%) Node.js
9 55 (19.71%) .NET Core
10 53 (19.00%) Web Services
11 52 (18.64%) REST
12 43 (15.41%) .NET Framework
12 43 (15.41%) JSON
13 42 (15.05%) WireMock
14 41 (14.70%) Hibernate
14 41 (14.70%) JAX-RS
14 41 (14.70%) JSF
15 39 (13.98%) ASP.NET MVC
Miscellaneous
1 39 (13.98%) Linux Command Line
2 37 (13.26%) Greenfield Project
3 31 (11.11%) Online Banking
4 28 (10.04%) Fintech
4 28 (10.04%) Foreign Exchange (FX)
5 24 (8.60%) Public Cloud
6 16 (5.73%) Blog
7 9 (3.23%) User Experience
8 4 (1.43%) Analytical Skills
9 3 (1.08%) Hedge funds
10 2 (0.72%) Computer Science
10 2 (0.72%) Smart Meter
11 1 (0.36%) Mobile App
11 1 (0.36%) Self-Motivation
Operating Systems
1 41 (14.70%) Unix
2 25 (8.96%) VMS
3 7 (2.51%) Linux
3 7 (2.51%) Windows
4 1 (0.36%) Android
4 1 (0.36%) Apple iOS
Processes & Methodologies
1 220 (78.85%) Agile Software Development
2 182 (65.23%) Domain-Driven Design
3 161 (57.71%) Microservices
4 150 (53.76%) TDD
5 120 (43.01%) Scrum
6 85 (30.47%) DevOps
7 83 (29.75%) MVC
8 82 (29.39%) OO
9 80 (28.67%) BDD
10 65 (23.30%) Continuous Integration
11 54 (19.35%) Software Engineering
12 53 (19.00%) Open Source
13 48 (17.20%) Test Automation
14 44 (15.77%) SOLID
15 43 (15.41%) Dependency Injection
16 39 (13.98%) OOA/OOD
17 34 (12.19%) Pair Programming
18 23 (8.24%) Don't repeat yourself (DRY)
19 19 (6.81%) Web Development
20 17 (6.09%) E-Commerce
Programming Languages
1 142 (50.90%) C#
2 98 (35.13%) JavaScript
3 82 (29.39%) Java
4 58 (20.79%) Java 8
5 45 (16.13%) TypeScript
6 39 (13.98%) JPQL
7 33 (11.83%) SQL
8 10 (3.58%) ES6
9 8 (2.87%) PowerShell
10 5 (1.79%) Shell Script
11 2 (0.72%) PHP
11 2 (0.72%) PHP 7
11 2 (0.72%) T-SQL
12 1 (0.36%) C
12 1 (0.36%) Objective-C
12 1 (0.36%) VB.NET
12 1 (0.36%) VBScript
Qualifications
1 24 (8.60%) Security Cleared
2 22 (7.89%) SC Cleared
3 6 (2.15%) BPSS Clearance
4 2 (0.72%) Computer Science Degree
4 2 (0.72%) Degree
5 1 (0.36%) Sun Certification
Quality Assurance & Compliance
1 9 (3.23%) QA
2 5 (1.79%) Disclosure Scotland
3 4 (1.43%) PCI DSS
4 3 (1.08%) GCP
5 2 (0.72%) GDPR
5 2 (0.72%) ISO/IEC 27001
System Software
1 25 (8.96%) Docker
Systems Management
1 7 (2.51%) Kubernetes
1 7 (2.51%) Terraform
2 5 (1.79%) Control-M
3 4 (1.43%) Ansible
3 4 (1.43%) Opscode Chef
4 3 (1.08%) Grafana
4 3 (1.08%) Kibana
Vendors
1 44 (15.77%) Microsoft
2 6 (2.15%) Google
3 5 (1.79%) Capita
3 5 (1.79%) Embarcadero
3 5 (1.79%) Salesforce.com
4 4 (1.43%) SAP
5 3 (1.08%) New Relic
5 3 (1.08%) Splunk
6 2 (0.72%) Oracle
6 2 (0.72%) Zend
7 1 (0.36%) Apple
7 1 (0.36%) TIBCO