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 3 months to 29 June 2017 with a comparison to the same period in the previous 2 years.

Command-Query Responsibility Segregation (also Command-Query Separation)
England > London
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 477 538 626
Rank change year-on-year +61 +88  
Permanent jobs citing CQRS 143 107 48
As % of all permanent IT jobs advertised in London 0.39% 0.27% 0.11%
As % of the Processes & Methodologies category 0.43% 0.30% 0.12%
Number of salaries quoted 120 100 46
London median annual salary £67,500 £65,000 £51,250
Median salary % change year-on-year +3.84% +26.82%  
10th Percentile £27,500 £27,500 £27,500
90th Percentile £91,250 £95,375 £83,750
England median annual salary £52,500 £60,000 £40,000
% change year-on-year -12.50% +50.00%  

CQRS is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for process and methodology skills.

Process & Methodology Skills
London
Permanent job vacancies with a requirement for process and methodology skills 33413 36177 40004
As % of all permanent IT job vacancies advertised in London 91.07% 90.57% 88.97%
Number of salaries quoted 113282 135936 136312
London median annual salary £60,500 £60,000 £57,500
Median salary % change year-on-year +0.83% +4.34%  
10th Percentile £37,500 £37,250 £35,000
90th Percentile £90,000 £86,250 £87,500
England median annual salary £52,000 £50,000 £50,000
% change year-on-year +4.00% -  

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 3 months to 29 June 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 3 months to 29 June 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +35 13 £67,500 +14.89%
Twickenham - 7 £50,000 - 1
West End of London - 3 £67,500 -
CQRS
England

For the 6 months to 29 June 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.

1 216 (93.51%) .NET
2 215 (93.07%) C#
3 197 (85.28%) Agile Software Development
4 165 (71.43%) Domain-Driven Design
5 138 (59.74%) ASP.NET
6 134 (58.01%) TDD
7 125 (54.11%) Microservices
8 105 (45.45%) Software Engineering
9 101 (43.72%) Greenfield Project
10 98 (42.42%) SOLID
11 95 (41.13%) Scrum
12 94 (40.69%) ASP.NET Web API
13 92 (39.83%) TeamCity
14 91 (39.39%) BDD
14 91 (39.39%) MVC
14 91 (39.39%) Finance
15 82 (35.50%) JavaScript
15 82 (35.50%) OO
15 82 (35.50%) ASP.NET MVC
16 79 (34.20%) SQL Server
17 77 (33.33%) Continuous Integration
18 71 (30.74%) DevOps
19 70 (30.30%) AngularJS
20 65 (28.14%) Octopus Deploy
20 65 (28.14%) Open Source
21 62 (26.84%) WCF
22 61 (26.41%) HTML
23 60 (25.97%) Banking
24 53 (22.94%) Amazon AWS
25 52 (22.51%) MSBuild

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 12 (5.19%) Elasticsearch
2 5 (2.16%) NServiceBus
3 3 (1.30%) Tomcat
4 2 (0.87%) Apache Solr
4 2 (0.87%) IIS
5 1 (0.43%) BizTalk Server
5 1 (0.43%) SharePoint
Cloud Services
1 53 (22.94%) Amazon AWS
2 45 (19.48%) Microsoft Azure
3 9 (3.90%) Azure Active Directory
4 8 (3.46%) Azure Machine Learning
4 8 (3.46%) GitHub
5 3 (1.30%) Amazon EC2
6 1 (0.43%) SaaS
Communications & Networking
1 41 (17.75%) Internet
2 3 (1.30%) DNS
3 1 (0.43%) HTTP
Database & Business Intelligence
1 79 (34.20%) SQL Server
2 46 (19.91%) NoSQL
3 27 (11.69%) Redis
3 27 (11.69%) SQL Server 2014
4 18 (7.79%) Blockchain
5 17 (7.36%) Azure SQL Database
6 14 (6.06%) SQL Server 2016
7 12 (5.19%) SQL Server 2012
8 11 (4.76%) MongoDB
9 10 (4.33%) Apache Cassandra
10 8 (3.46%) DocumentDB
11 7 (3.03%) Event Store
12 5 (2.16%) Neo4j
13 4 (1.73%) Amazon DynamoDB
14 3 (1.30%) Hadoop
14 3 (1.30%) PostgreSQL
15 2 (0.87%) Big Data
16 1 (0.43%) Couchbase
16 1 (0.43%) MySQL
Development Applications
1 92 (39.83%) TeamCity
2 65 (28.14%) Octopus Deploy
3 52 (22.51%) MSBuild
4 40 (17.32%) Team Foundation Server
5 34 (14.72%) Atlassian Bamboo
6 30 (12.99%) Hudson
7 18 (7.79%) Git (software)
8 13 (5.63%) SpecFlow
9 11 (4.76%) NUnit
10 8 (3.46%) Jenkins
10 8 (3.46%) JIRA
11 3 (1.30%) WebObjects
12 1 (0.43%) git-flow
12 1 (0.43%) Gradle
12 1 (0.43%) Jasmine
12 1 (0.43%) Log4Net
12 1 (0.43%) Maven
12 1 (0.43%) Psake
12 1 (0.43%) Visual Studio
General
1 91 (39.39%) Finance
2 60 (25.97%) Banking
3 51 (22.08%) Games
4 12 (5.19%) Financial Institution
5 9 (3.90%) Private Banking
6 3 (1.30%) Publishing
7 2 (0.87%) Retail
8 1 (0.43%) Legal
Job Titles
1 170 (73.59%) Developer
2 122 (52.81%) .NET Developer
3 102 (44.16%) C# Developer
4 60 (25.97%) C# .NET Developer
5 28 (12.12%) Junior
5 28 (12.12%) Junior Developer
6 27 (11.69%) Junior .NET Developer
7 20 (8.66%) Senior Developer
8 19 (8.23%) Finance Manager
9 18 (7.79%) Software Engineer
10 14 (6.06%) Senior C# Developer
11 12 (5.19%) Senior .NET Developer
12 11 (4.76%) SQL Developer
13 10 (4.33%) Architect
13 10 (4.33%) Web Manager
14 9 (3.90%) .NET Development Manager
14 9 (3.90%) Agile Development Manager
14 9 (3.90%) Delivery Manager
14 9 (3.90%) Development Manager
14 9 (3.90%) Principal Developer
Libraries, Frameworks & Software Standards
1 216 (93.51%) .NET
2 138 (59.74%) ASP.NET
3 94 (40.69%) ASP.NET Web API
4 82 (35.50%) ASP.NET MVC
5 70 (30.30%) AngularJS
6 62 (26.84%) WCF
7 61 (26.41%) HTML
8 51 (22.08%) ASP.NET MVC 5
9 49 (21.21%) HATEOAS
10 46 (19.91%) REST
11 44 (19.05%) CSS
12 42 (18.18%) RabbitMQ
13 40 (17.32%) RESTful
14 37 (16.02%) React
15 36 (15.58%) Redux
16 34 (14.72%) Node.js
17 25 (10.82%) HTML5
18 20 (8.66%) Kafka
19 18 (7.79%) CSS3
20 15 (6.49%) Apache Cordova
Miscellaneous
1 101 (43.72%) Greenfield Project
2 51 (22.08%) Online Banking
3 29 (12.55%) Fintech
4 18 (7.79%) Computer Science
5 15 (6.49%) Analytical Skills
6 14 (6.06%) User Experience
7 10 (4.33%) Bitcoin
7 10 (4.33%) Enterprise Software
7 10 (4.33%) Mobile App
8 7 (3.03%) Public Cloud
9 6 (2.60%) Blog
10 5 (2.16%) Hedge funds
11 2 (0.87%) Algorithms
11 2 (0.87%) Equities
11 2 (0.87%) Fixed Income
11 2 (0.87%) Management Information System
12 1 (0.43%) N-Tier
12 1 (0.43%) Tandem
Operating Systems
1 11 (4.76%) Windows
2 9 (3.90%) Android
2 9 (3.90%) Apple iOS
3 1 (0.43%) Linux
Processes & Methodologies
1 197 (85.28%) Agile Software Development
2 165 (71.43%) Domain-Driven Design
3 134 (58.01%) TDD
4 125 (54.11%) Microservices
5 105 (45.45%) Software Engineering
6 98 (42.42%) SOLID
7 95 (41.13%) Scrum
8 91 (39.39%) BDD
8 91 (39.39%) MVC
9 82 (35.50%) OO
10 77 (33.33%) Continuous Integration
11 71 (30.74%) DevOps
12 65 (28.14%) Open Source
13 52 (22.51%) SOA
14 50 (21.65%) Web Application Development
15 48 (20.78%) Configuration Management
16 32 (13.85%) Multithreading
17 29 (12.55%) Mentoring
18 24 (10.39%) Event-Driven Architecture
18 24 (10.39%) Web Development
Programming Languages
1 215 (93.07%) C#
2 82 (35.50%) JavaScript
3 52 (22.51%) SQL
4 33 (14.29%) PowerShell
5 16 (6.93%) TypeScript
6 15 (6.49%) F#
6 15 (6.49%) PL/SQL
7 14 (6.06%) Java
8 10 (4.33%) T-SQL
9 8 (3.46%) Apple Swift
9 8 (3.46%) Objective-C
9 8 (3.46%) Scala
10 3 (1.30%) Ruby
11 2 (0.87%) Haskell
12 1 (0.43%) Groovy
Qualifications
1 20 (8.66%) Degree
2 11 (4.76%) Computer Science Degree
3 2 (0.87%) ISEB
Quality Assurance & Compliance
1 12 (5.19%) QA
System Software
1 14 (6.06%) Docker
2 3 (1.30%) Active Directory
Systems Management
1 31 (13.42%) Opscode Chef
2 28 (12.12%) Ansible
2 28 (12.12%) Puppet
3 8 (3.46%) Kubernetes
4 3 (1.30%) Nagios
4 3 (1.30%) ZABBIX
Vendors
1 19 (8.23%) Microsoft
2 15 (6.49%) Oracle
3 11 (4.76%) AppDynamics
3 11 (4.76%) New Relic
4 8 (3.46%) Atlassian
4 8 (3.46%) Cadence
4 8 (3.46%) Google
4 8 (3.46%) Xamarin
5 3 (1.30%) Splunk
London
Joseph Harry Ltd
Salary: £80000 - £95000 per annum + + 10% Pension + 25% Bonus
Posted: 6 hours ago
Twickenham, Middlesex
Dawson & Walsh
Salary: £45000 - £55000 per annum + Bonus + Pension + Benefits
Posted: 3 days ago
London
Dawson & Walsh
Salary: £25000 - £35000 per annum + Bonus + Pension + Benefits
Posted: 3 days ago
London
Joseph Harry Ltd
Salary: £50000 - £65000 per annum + annum 20-30% Bonus + 10% Pension
Posted: 3 days ago
London
Joseph Harry Ltd
Salary: £75000 - £95000 per annum + + 10% Pension + 25% Bonus
Posted: 3 days ago
London
Joseph Harry Ltd
Salary: £70000 - £85000 per annum + 20-30% Bonus + 10% Pension
Posted: 2 days ago
Brentford
Client Server
Salary: £70000 - £85000 per annum + benefits
Posted: 3 days ago
London
Source Technology
Salary: From £55,000 to £70,000 per annum
Posted: 5 days ago
West London
Client Server
Salary: £70000 - £85000 per annum + benefits
Posted: 10 days ago
Brentford
Client Server
Salary: £70000 - £85000 per annum + benefits
Posted: 17 days ago