Period
to 24 November 2017

The following table provides summary statistics for permanent job vacancies advertised in London 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 24 November 2017 with a comparison to the same period in the previous 2 years.

Command-Query Responsibility Segregation (also Command-Query Separation)
England > London
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 541 669 825
Rank change year-on-year +128 +156 -7
Permanent jobs citing CQRS 307 173 92
As % of all permanent IT jobs advertised in London 0.41% 0.23% 0.10%
As % of the Processes & Methodologies category 0.45% 0.25% 0.12%
Number of salaries quoted 285 150 86
London median annual salary £67,500 £62,500 £63,750
Median salary % change year-on-year +8.00% -1.96% +6.25%
10th Percentile £27,500 £27,500 £27,500
90th Percentile £90,000 £112,500 £92,500
England median annual salary £57,500 £52,500 £40,000
% change year-on-year +9.52% +31.25% -

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 advertised in London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Permanent vacancies with a requirement for process or methodology skills 68735 68760 79859
As % of all permanent IT jobs advertised in London 91.61% 90.69% 89.57%
Number of salaries quoted 52944 59134 67322
London median annual salary £60,000 £58,500 £55,000
Median salary % change year-on-year +2.56% +6.36% -
10th Percentile £35,000 £33,750 £33,173
90th Percentile £90,000 £88,750 £86,250
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

CQRS
Job Vacancy Trend in London

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

Job vacancy trend for CQRS in London

CQRS
Salary Trend in London

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

Salary trend for CQRS in London

CQRS
Salary Histogram in London

The salary distribution of IT jobs citing CQRS in London over the 6 months to 24 November 2017.

Salary histogram for CQRS in London

CQRS
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CQRS within the London region over the 6 months to 24 November 2017. 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
West London - 35 £62,500 - 1
Central London +38 30 £70,000 +19.66% 3
South London - 4 £67,500 -
CQRS
England

For the 6 months to 24 November 2017, IT jobs citing CQRS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for CQRS.

1 271 (88.27%) Agile Software Development
2 251 (81.76%) C#
2 251 (81.76%) .NET
3 246 (80.13%) Domain-Driven Design
4 228 (74.27%) Microservices
5 192 (62.54%) ASP.NET
6 175 (57.00%) DevOps
7 172 (56.03%) TDD
8 167 (54.40%) Scrum
9 165 (53.75%) Continuous Integration
10 159 (51.79%) Open Source
11 157 (51.14%) RESTful
12 153 (49.84%) Software Engineering
13 145 (47.23%) ASP.NET Web API
14 144 (46.91%) Greenfield Project
15 133 (43.32%) SOLID
16 132 (43.00%) Finance
17 126 (41.04%) TeamCity
18 121 (39.41%) Banking
19 114 (37.13%) Octopus Deploy
20 106 (34.53%) Configuration Management
21 105 (34.20%) BDD
21 105 (34.20%) MSBuild
21 105 (34.20%) HATEOAS
22 102 (33.22%) Online Banking
23 94 (30.62%) JavaScript
23 94 (30.62%) Amazon AWS
24 86 (28.01%) PowerShell
25 84 (27.36%) React
26 83 (27.04%) Atlassian Bamboo

CQRS
Co-occurring 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 35 (11.40%) Elasticsearch
2 8 (2.61%) NServiceBus
3 2 (0.65%) Apache Spark
3 2 (0.65%) IIS
3 2 (0.65%) Tomcat
4 1 (0.33%) Apache Solr
4 1 (0.33%) Cloud Foundry
Business Applications
1 2 (0.65%) Dynamics CRM
Cloud Services
1 94 (30.62%) Amazon AWS
2 66 (21.50%) Microsoft Azure
3 13 (4.23%) GitHub
4 12 (3.91%) Google Play
5 9 (2.93%) Azure Active Directory
6 4 (1.30%) Amazon EC2
7 3 (0.98%) Azure Machine Learning
7 3 (0.98%) Cloud Computing
8 2 (0.65%) SaaS
8 2 (0.65%) Serverless
9 1 (0.33%) Amazon Kinesis
9 1 (0.33%) AWS Elastic Beanstalk
9 1 (0.33%) Heroku
9 1 (0.33%) OpenShift
9 1 (0.33%) PaaS
Communications & Networking
1 53 (17.26%) Internet
2 2 (0.65%) OpenVPN
Database & Business Intelligence
1 79 (25.73%) SQL Server
2 38 (12.38%) NoSQL
3 33 (10.75%) SQL Server 2014
4 21 (6.84%) Amazon DynamoDB
5 20 (6.51%) MongoDB
6 16 (5.21%) PostgreSQL
6 16 (5.21%) Redis
7 15 (4.89%) Apache Cassandra
7 15 (4.89%) Neo4j
7 15 (4.89%) SQL Server 2016
8 14 (4.56%) MySQL
9 11 (3.58%) Azure SQL Database
10 4 (1.30%) RavenDB
10 4 (1.30%) SimpleDB
11 3 (0.98%) Blockchain
12 2 (0.65%) Big Data
12 2 (0.65%) DocumentDB
12 2 (0.65%) Hadoop
12 2 (0.65%) SQL Server 2012
Development Applications
1 126 (41.04%) TeamCity
2 114 (37.13%) Octopus Deploy
3 105 (34.20%) MSBuild
4 83 (27.04%) Atlassian Bamboo
5 78 (25.41%) Hudson
6 35 (11.40%) Team Foundation Server
7 26 (8.47%) Maven
8 19 (6.19%) Travis CI
9 16 (5.21%) Cucumber
10 14 (4.56%) Git (software)
11 13 (4.23%) Jenkins
12 8 (2.61%) NUnit
13 7 (2.28%) Appium
13 7 (2.28%) Gradle
13 7 (2.28%) Selenium
13 7 (2.28%) SonarQube
14 6 (1.95%) JIRA
14 6 (1.95%) SpecFlow
15 4 (1.30%) Visual Studio
16 2 (0.65%) JUnit
General
1 132 (43.00%) Finance
2 121 (39.41%) Banking
3 49 (15.96%) Games
4 9 (2.93%) Publishing
5 6 (1.95%) Retail
6 3 (0.98%) Financial Institution
7 2 (0.65%) Marketing
8 1 (0.33%) Advertising
8 1 (0.33%) Private Banking
Job Titles
1 236 (76.87%) Developer
2 175 (57.00%) .NET Developer
3 110 (35.83%) C# Developer
4 95 (30.94%) C# .NET Developer
5 76 (24.76%) Agile Developer
6 70 (22.80%) ASP.NET Developer
6 70 (22.80%) C# ASP.NET Developer
7 53 (17.26%) Agile C# Developer
8 50 (16.29%) Agile .NET Developer
9 44 (14.33%) Lead Developer
10 40 (13.03%) Software Engineer
11 34 (11.07%) Lead .NET Developer
12 33 (10.75%) Junior
12 33 (10.75%) Junior .NET Developer
12 33 (10.75%) Junior Developer
13 31 (10.10%) Java Developer
13 31 (10.10%) Senior Developer
14 27 (8.79%) Lead C# Developer
15 25 (8.14%) Developer/Software Engineer
15 25 (8.14%) Java Engineer
Libraries, Frameworks & Software Standards
1 251 (81.76%) .NET
2 192 (62.54%) ASP.NET
3 157 (51.14%) RESTful
4 145 (47.23%) ASP.NET Web API
5 105 (34.20%) HATEOAS
6 84 (27.36%) React
7 70 (22.80%) AngularJS
8 63 (20.52%) ASP.NET MVC
9 58 (18.89%) Node.js
9 58 (18.89%) Redux
10 53 (17.26%) WCF
11 49 (15.96%) ASP.NET MVC 5
12 43 (14.01%) HTML
12 43 (14.01%) Web Services
13 37 (12.05%) REST
14 36 (11.73%) RabbitMQ
15 23 (7.49%) CSS
16 22 (7.17%) J2EE
17 18 (5.86%) Spring
18 16 (5.21%) Kafka
Miscellaneous
1 144 (46.91%) Greenfield Project
2 102 (33.22%) Online Banking
3 25 (8.14%) Fintech
4 22 (7.17%) Mobile App
5 19 (6.19%) Computer Science
6 13 (4.23%) Blog
7 10 (3.26%) User Experience
8 9 (2.93%) Analytical Skills
8 9 (2.93%) Enterprise Software
9 4 (1.30%) Public Cloud
10 3 (0.98%) Tandem
11 2 (0.65%) Algorithms
11 2 (0.65%) Derivative
11 2 (0.65%) Market Risk
12 1 (0.33%) Bitcoin
12 1 (0.33%) Digital Currency
12 1 (0.33%) Equities
12 1 (0.33%) Fixed Income
12 1 (0.33%) Hedge funds
12 1 (0.33%) Management Information System
Operating Systems
1 17 (5.54%) Android
1 17 (5.54%) Apple iOS
2 14 (4.56%) Windows
3 4 (1.30%) Linux
Processes & Methodologies
1 271 (88.27%) Agile Software Development
2 246 (80.13%) Domain-Driven Design
3 228 (74.27%) Microservices
4 175 (57.00%) DevOps
5 172 (56.03%) TDD
6 167 (54.40%) Scrum
7 165 (53.75%) Continuous Integration
8 159 (51.79%) Open Source
9 153 (49.84%) Software Engineering
10 133 (43.32%) SOLID
11 106 (34.53%) Configuration Management
12 105 (34.20%) BDD
13 74 (24.10%) MVC
14 72 (23.45%) OO
15 57 (18.57%) Web Application Development
16 48 (15.64%) Mentoring
17 39 (12.70%) SOA
18 35 (11.40%) Test Automation
19 30 (9.77%) Event-Driven Architecture
20 26 (8.47%) Line Management
Programming Languages
1 251 (81.76%) C#
2 94 (30.62%) JavaScript
3 86 (28.01%) PowerShell
4 65 (21.17%) Java
5 39 (12.70%) SQL
6 16 (5.21%) ES6
6 16 (5.21%) GraphQL
7 15 (4.89%) Objective-C
8 7 (2.28%) Scala
9 5 (1.63%) T-SQL
10 4 (1.30%) Python
10 4 (1.30%) TypeScript
11 3 (0.98%) Bash Shell
12 2 (0.65%) Apple Swift
12 2 (0.65%) PHP
12 2 (0.65%) Ruby
13 1 (0.33%) C++
13 1 (0.33%) F#
13 1 (0.33%) Go
13 1 (0.33%) R
Qualifications
1 20 (6.51%) Degree
2 2 (0.65%) Computer Science Degree
3 1 (0.33%) ISEB
3 1 (0.33%) Numerate Degree
Quality Assurance & Compliance
1 19 (6.19%) QA
System Software
1 7 (2.28%) Docker
2 1 (0.33%) Active Directory
2 1 (0.33%) Cygwin
Systems Management
1 60 (19.54%) Puppet
2 59 (19.22%) Ansible
3 58 (18.89%) Opscode Chef
4 5 (1.63%) Kubernetes
5 2 (0.65%) Nagios
5 2 (0.65%) ZABBIX
6 1 (0.33%) rkt
6 1 (0.33%) Terraform
Vendors
1 39 (12.70%) Google
2 25 (8.14%) Microsoft
3 15 (4.89%) Cadence
4 12 (3.91%) Apple
5 8 (2.61%) New Relic
6 6 (1.95%) Splunk
7 4 (1.30%) AppDynamics
8 2 (0.65%) Atlassian
8 2 (0.65%) Salesforce.com
8 2 (0.65%) Xamarin