Period
to 21 February 2018

The following table provides summary statistics for permanent job vacancies with a requirement for CQRS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CQRS over the 6 months to 21 February 2018 with a comparison to the same period in the previous 2 years.

Command-Query Responsibility Segregation (also Command-Query Separation)
UK
6 months to
21 Feb 2018
Same period 2017 Same period 2016
Rank 680 884 1041
Rank change year-on-year +204 +157 +10
Permanent jobs citing CQRS 551 305 238
As % of all permanent IT jobs advertised in the UK 0.31% 0.17% 0.11%
As % of the Processes & Methodologies category 0.35% 0.19% 0.13%
Number of salaries quoted 525 278 223
UK median annual salary £60,000 £50,000 £45,000
Median salary % change year-on-year +20.00% +11.11% +5.88%
10th Percentile £31,000 £27,500 £27,500
90th Percentile £81,250 £86,250 £85,000
UK excluding London median annual salary £40,000 £45,000 £42,500
% change year-on-year -11.11% +5.88% +18.06%

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

All Process and Methodology Skills
UK
Permanent vacancies with a requirement for process or methodology skills 158,507 157,483 185,033
As % of all permanent IT jobs advertised in the UK 89.90% 89.53% 88.83%
Number of salaries quoted 128,664 129,785 153,181
UK median annual salary £50,000 £48,500 £47,500
Median salary % change year-on-year +3.09% +2.11% +5.56%
10th Percentile £29,000 £28,250 £27,500
90th Percentile £81,250 £79,000 £77,500
UK excluding London median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +6.25%

CQRS
Job Vacancy Trend

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

Job vacancy trend for CQRS in the UK

CQRS
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing CQRS.

Salary trend for CQRS in the UK

CQRS
Salary Histogram

The salary distribution of IT jobs citing CQRS over the 6 months to 21 February 2018.

Salary histogram for CQRS in the UK

CQRS
Top 14 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CQRS within the UK over the 6 months to 21 February 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +214 540 £60,000 +20.00% 46
London +170 356 £65,000 +10.64% 24
UK excluding London +56 192 £40,000 -11.11% 25
South East +84 106 £40,000 +14.29% 8
East of England +6 30 £55,000 - 6
North of England -1 29 £40,000 -11.11% 3
Yorkshire +16 15 £42,500 -
North West -13 14 £35,000 -22.22% 3
South West +7 12 £37,500 -51.61% 2
Northern Ireland - 7 - -
Midlands -20 5 £72,500 +93.33% 3
West Midlands -30 4 - - 2
Wales +9 3 £40,000 -54.29% 1
East Midlands -13 1 £72,500 +245.24% 1

For the 6 months to 21 February 2018, IT 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 permanent job ads with a requirement for CQRS.

1 469 (85.12%) Agile Software Development
2 400 (72.60%) .NET
3 386 (70.05%) C#
4 378 (68.60%) TDD
5 372 (67.51%) Domain-Driven Design
6 301 (54.63%) Microservices
7 293 (53.18%) ASP.NET
8 255 (46.28%) BDD
9 254 (46.10%) DevOps
10 243 (44.10%) MVC
11 242 (43.92%) RESTful
12 217 (39.38%) SQL Server
13 214 (38.84%) Continuous Integration
14 198 (35.93%) OO
15 196 (35.57%) Greenfield Project
16 192 (34.85%) Scrum
17 184 (33.39%) Software Engineering
18 182 (33.03%) ASP.NET MVC
19 181 (32.85%) Amazon AWS
20 177 (32.12%) Open Source
21 170 (30.85%) Java
22 166 (30.13%) JavaScript
23 162 (29.40%) AngularJS
24 161 (29.22%) Microsoft Azure
25 158 (28.68%) WCF
26 151 (27.40%) Internet
27 146 (26.50%) Finance
28 141 (25.59%) ASP.NET MVC 5
29 140 (25.41%) Web Application Development
29 140 (25.41%) Games

CQRS
Co-occurring IT Skills 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 46 (8.35%) Elasticsearch
2 15 (2.72%) Tomcat
3 14 (2.54%) CMS
3 14 (2.54%) Umbraco
4 13 (2.36%) BizTalk Server
5 9 (1.63%) NServiceBus
6 5 (0.91%) Confluence
7 3 (0.54%) Cloud Foundry
7 3 (0.54%) IIS
8 1 (0.18%) Apache Solr
8 1 (0.18%) Apache Spark
Applications
1 4 (0.73%) Microsoft PowerPoint
Business Applications
1 27 (4.90%) Dynamics CRM
Cloud Services
1 181 (32.85%) Amazon AWS
2 161 (29.22%) Microsoft Azure
3 27 (4.90%) Google Cloud Platform
4 21 (3.81%) Amazon EC2
4 21 (3.81%) Amazon S3
4 21 (3.81%) AWS Elastic Beanstalk
5 18 (3.27%) Azure Active Directory
6 15 (2.72%) GitHub
7 12 (2.18%) Google Play
8 7 (1.27%) npm
9 6 (1.09%) Cloud Computing
10 4 (0.73%) PaaS
10 4 (0.73%) SaaS
11 1 (0.18%) Azure Machine Learning
11 1 (0.18%) iPaaS
11 1 (0.18%) TestFlight
Communications & Networking
1 151 (27.40%) Internet
2 8 (1.45%) OpenVPN
3 2 (0.36%) DNS
3 2 (0.36%) HTTP
Database & Business Intelligence
1 217 (39.38%) SQL Server
2 107 (19.42%) SQL Server 2016
3 105 (19.06%) NoSQL
4 38 (6.90%) Redis
5 34 (6.17%) Azure SQL Database
6 33 (5.99%) SQL Server 2014
7 29 (5.26%) PostgreSQL
8 26 (4.72%) MySQL
9 25 (4.54%) MongoDB
10 18 (3.27%) Amazon DynamoDB
11 17 (3.09%) Apache Cassandra
12 15 (2.72%) Neo4j
13 14 (2.54%) JanusGraph
14 10 (1.81%) Relational Database
15 7 (1.27%) Cosmos DB
15 7 (1.27%) RDBMS
15 7 (1.27%) SQL Server 2012
16 4 (0.73%) RavenDB
16 4 (0.73%) SimpleDB
17 2 (0.36%) Big Data
Development Applications
1 114 (20.69%) TeamCity
2 95 (17.24%) Octopus Deploy
3 91 (16.52%) Atlassian Bamboo
4 87 (15.79%) Hudson
5 71 (12.89%) MSBuild
6 48 (8.71%) Maven
7 39 (7.08%) Travis CI
8 34 (6.17%) Visual Studio
9 33 (5.99%) Visual Studio Team System
10 30 (5.44%) Jenkins
11 25 (4.54%) Grunt
12 23 (4.17%) Team Foundation Server
13 21 (3.81%) Git (software)
13 21 (3.81%) Selenium
14 20 (3.63%) NUnit
15 16 (2.90%) Cucumber
16 14 (2.54%) WebObjects
17 11 (2.00%) gulp
18 10 (1.81%) SpecFlow
19 8 (1.45%) Gradle
General
1 146 (26.50%) Finance
2 140 (25.41%) Games
3 87 (15.79%) Banking
4 11 (2.00%) Retail
5 10 (1.81%) Publishing
6 7 (1.27%) Legal
7 5 (0.91%) Telecoms
8 2 (0.36%) Advertising
8 2 (0.36%) Financial Institution
8 2 (0.36%) Marketing
9 1 (0.18%) Investment Banking
Job Titles
1 475 (86.21%) Developer
2 316 (57.35%) .NET Developer
3 116 (21.05%) Agile Developer
4 113 (20.51%) C# Developer
5 103 (18.69%) Java Developer
6 96 (17.42%) C# .NET Developer
7 91 (16.52%) Software Engineer
8 80 (14.52%) Java Engineer
9 77 (13.97%) Developer/Software Engineer
10 71 (12.89%) ASP.NET Developer
10 71 (12.89%) C# ASP.NET Developer
11 63 (11.43%) J2EE Developer
11 63 (11.43%) J2EE Software Engineer
11 63 (11.43%) Java J2EE Software Engineer
11 63 (11.43%) Java Software Developer
11 63 (11.43%) Java Software Engineer
11 63 (11.43%) Java/J2EE Developer
12 60 (10.89%) Agile .NET Developer
12 60 (10.89%) Agile C# Developer
13 58 (10.53%) Senior Developer
Libraries, Frameworks & Software Standards
1 400 (72.60%) .NET
2 293 (53.18%) ASP.NET
3 242 (43.92%) RESTful
4 182 (33.03%) ASP.NET MVC
5 162 (29.40%) AngularJS
6 158 (28.68%) WCF
7 141 (25.59%) ASP.NET MVC 5
8 134 (24.32%) ASP.NET Web API
9 126 (22.87%) React
10 122 (22.14%) Web Services
11 87 (15.79%) HTML
11 87 (15.79%) Node.js
12 77 (13.97%) CSS
13 74 (13.43%) REST
14 70 (12.70%) HATEOAS
15 66 (11.98%) J2EE
16 60 (10.89%) Redux
17 57 (10.34%) RabbitMQ
18 56 (10.16%) Spring
19 40 (7.26%) J2SE
Miscellaneous
1 196 (35.57%) Greenfield Project
2 67 (12.16%) Online Banking
3 49 (8.89%) Fintech
4 23 (4.17%) Computer Science
5 18 (3.27%) Enterprise Software
5 18 (3.27%) User Experience
6 17 (3.09%) Mobile App
7 12 (2.18%) Blog
8 11 (2.00%) Analytical Skills
9 7 (1.27%) Linux Command Line
9 7 (1.27%) Social Media
10 5 (0.91%) Smart Meter
11 4 (0.73%) Algorithms
12 3 (0.54%) Cloud Native
13 1 (0.18%) Bitcoin
13 1 (0.18%) Derivative
13 1 (0.18%) Digital Currency
13 1 (0.18%) Market Risk
13 1 (0.18%) N-Tier
Operating Systems
1 30 (5.44%) Linux
2 23 (4.17%) Windows
3 14 (2.54%) Android
3 14 (2.54%) Apple iOS
4 7 (1.27%) CentOS
4 7 (1.27%) Debian
4 7 (1.27%) Unix
Processes & Methodologies
1 469 (85.12%) Agile Software Development
2 378 (68.60%) TDD
3 372 (67.51%) Domain-Driven Design
4 301 (54.63%) Microservices
5 255 (46.28%) BDD
6 254 (46.10%) DevOps
7 243 (44.10%) MVC
8 214 (38.84%) Continuous Integration
9 198 (35.93%) OO
10 192 (34.85%) Scrum
11 184 (33.39%) Software Engineering
12 177 (32.12%) Open Source
13 140 (25.41%) Web Application Development
14 121 (21.96%) SOLID
15 86 (15.61%) Configuration Management
16 64 (11.62%) SOA
17 60 (10.89%) Test Automation
18 48 (8.71%) Web Development
19 44 (7.99%) Front End Development
20 39 (7.08%) Event-Driven Architecture
Programming Languages
1 386 (70.05%) C#
2 170 (30.85%) Java
3 166 (30.13%) JavaScript
4 82 (14.88%) PowerShell
5 65 (11.80%) SQL
6 26 (4.72%) TypeScript
7 20 (3.63%) GraphQL
8 18 (3.27%) ES6
9 16 (2.90%) PHP
10 13 (2.36%) Objective-C
11 11 (2.00%) Scala
12 10 (1.81%) Python
12 10 (1.81%) VB.NET
13 8 (1.45%) Bash Shell
14 7 (1.27%) PHP 7
14 7 (1.27%) T-SQL
15 3 (0.54%) VB
16 2 (0.36%) ES7
17 1 (0.18%) Clojure
17 1 (0.18%) R
Qualifications
1 21 (3.81%) Sun Certification
2 11 (2.00%) Degree
3 7 (1.27%) Microsoft Certification
4 2 (0.36%) SC Cleared
4 2 (0.36%) Security Cleared
5 1 (0.18%) Numerate Degree
Quality Assurance & Compliance
1 12 (2.18%) QA
2 4 (0.73%) PCI DSS
System Software
1 29 (5.26%) Docker
Systems Management
1 68 (12.34%) Ansible
2 65 (11.80%) Puppet
3 61 (11.07%) Opscode Chef
4 27 (4.90%) Kubernetes
5 21 (3.81%) Terraform
6 9 (1.63%) Kibana
7 3 (0.54%) Nagios
7 3 (0.54%) ZABBIX
Vendors
1 112 (20.33%) Google
2 54 (9.80%) Microsoft
3 14 (2.54%) Salesforce.com
4 12 (2.18%) Apple
5 8 (1.45%) Cadence
5 8 (1.45%) Oracle
6 7 (1.27%) New Relic
6 7 (1.27%) Red Hat
6 7 (1.27%) Splunk
7 3 (0.54%) AppDynamics
7 3 (0.54%) Capita
8 2 (0.36%) Xamarin
9 1 (0.18%) Apigee
9 1 (0.18%) Atlassian
9 1 (0.18%) SAP
9 1 (0.18%) Zend