Period
to 20 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire 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 20 November 2017 with a comparison to the same period in the previous 2 years.

Command-Query Responsibility Segregation (also Command-Query Separation)
East of England > Hertfordshire
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 173 197 220
Rank change year-on-year +24 +23 -29
Permanent jobs citing CQRS 41 18 18
As % of all permanent IT jobs advertised in Hertfordshire 0.93% 0.41% 0.33%
As % of the Processes & Methodologies category 1.10% 0.46% 0.38%
Number of salaries quoted 41 18 18
Hertfordshire median annual salary £55,000 £60,000 £35,000
Median salary % change year-on-year -8.33% +71.43% -
10th Percentile £45,000 £38,750 £32,500
90th Percentile £68,750 £85,000 £65,000
East of England median annual salary £55,000 £45,000 £35,000
% change year-on-year +22.22% +28.57% -

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 Hertfordshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Hertfordshire
Permanent vacancies with a requirement for process or methodology skills 3722 3893 4722
As % of all permanent IT jobs advertised in Hertfordshire 84.61% 87.88% 87.56%
Number of salaries quoted 3137 3217 3834
Hertfordshire median annual salary £47,500 £50,000 £47,500
Median salary % change year-on-year -5.00% +5.26% +0.53%
10th Percentile £28,500 £27,500 £26,750
90th Percentile £71,250 £72,500 £71,250
East of England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +3.45%

CQRS
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for CQRS in Hertfordshire

CQRS
Salary Trend in Hertfordshire

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

Salary trend for CQRS in Hertfordshire

CQRS
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing CQRS in Hertfordshire over the 6 months to 20 November 2017.

Salary histogram for CQRS in Hertfordshire

CQRS
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CQRS within the Hertfordshire region over the 6 months to 20 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
St Albans +8 22 £60,000 -
Hemel Hempstead - 12 £55,000 -
Rickmansworth - 1 £67,500 -
Watford - 1 £67,500 -
CQRS
East of England

For the 6 months to 20 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 Hertfordshire region with a requirement for CQRS.

1 34 (82.93%) C#
1 34 (82.93%) .NET
1 34 (82.93%) ASP.NET MVC
1 34 (82.93%) RabbitMQ
1 34 (82.93%) Redis
2 33 (80.49%) ASP.NET
2 33 (80.49%) MVC
3 31 (75.61%) NoSQL
4 29 (70.73%) JavaScript
4 29 (70.73%) AngularJS
5 22 (53.66%) HTML
5 22 (53.66%) CSS
5 22 (53.66%) Web Development
5 22 (53.66%) TypeScript
6 21 (51.22%) Grunt
7 18 (43.90%) CMS
7 18 (43.90%) Mathematics
7 18 (43.90%) Umbraco
7 18 (43.90%) SignalR
8 15 (36.59%) ASP.NET Web API
8 15 (36.59%) Computer Science
8 15 (36.59%) Software Engineering
8 15 (36.59%) NUnit
9 14 (34.15%) Physics
9 14 (34.15%) Selenium
10 13 (31.71%) Sass
11 12 (29.27%) WebRTC
11 12 (29.27%) Microservices
11 12 (29.27%) SOLID
11 12 (29.27%) Angular 2

CQRS
Co-occurring IT Skills in Hertfordshire 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 18 (43.90%) CMS
1 18 (43.90%) Umbraco
2 7 (17.07%) Tomcat
3 4 (9.76%) Elasticsearch
Cloud Services
1 12 (29.27%) Microsoft Azure
2 7 (17.07%) TestFlight
Communications & Networking
1 7 (17.07%) HTTP
Database & Business Intelligence
1 34 (82.93%) Redis
2 31 (75.61%) NoSQL
3 9 (21.95%) SQL Server
4 7 (17.07%) PostgreSQL
Development Applications
1 21 (51.22%) Grunt
2 15 (36.59%) NUnit
3 14 (34.15%) Selenium
4 12 (29.27%) Moq
4 12 (29.27%) SpecFlow
5 7 (17.07%) Bower
5 7 (17.07%) EasyMock
5 7 (17.07%) Eclipse
5 7 (17.07%) Jenkins
5 7 (17.07%) JUnit
5 7 (17.07%) Maven
5 7 (17.07%) Mockito
5 7 (17.07%) TestFairy
Job Titles
1 41 (100.00%) Developer
2 27 (65.85%) .NET Developer
3 19 (46.34%) Senior Developer
4 15 (36.59%) C# Developer
5 13 (31.71%) Senior .NET Developer
6 10 (24.39%) Lead Developer
7 8 (19.51%) C# .NET Developer
7 8 (19.51%) Senior C# Developer
8 7 (17.07%) Full Stack Developer
8 7 (17.07%) Java Developer
8 7 (17.07%) Lead Java Developer
9 6 (14.63%) JavaScript Developer
10 4 (9.76%) .NET Software Developer
10 4 (9.76%) ASP.NET MVC Developer
10 4 (9.76%) C# Software Developer
10 4 (9.76%) Real Time Developer
10 4 (9.76%) Software Developer
11 2 (4.88%) Lead .NET Developer
11 2 (4.88%) Senior C# .NET Developer
12 1 (2.44%) C# ASP.NET Developer
Libraries, Frameworks & Software Standards
1 34 (82.93%) .NET
1 34 (82.93%) ASP.NET MVC
1 34 (82.93%) RabbitMQ
2 33 (80.49%) ASP.NET
3 29 (70.73%) AngularJS
4 22 (53.66%) CSS
4 22 (53.66%) HTML
5 18 (43.90%) SignalR
6 15 (36.59%) ASP.NET Web API
7 13 (31.71%) Sass
8 12 (29.27%) .NET Framework
8 12 (29.27%) Angular 2
8 12 (29.27%) Entity Framework
8 12 (29.27%) MSMQ
8 12 (29.27%) WebRTC
9 7 (17.07%) Castor
9 7 (17.07%) DOM
9 7 (17.07%) Spring
9 7 (17.07%) Web Services
9 7 (17.07%) XML
Miscellaneous
1 15 (36.59%) Computer Science
2 12 (29.27%) Social Media
3 7 (17.07%) Mobile App
Operating Systems
1 7 (17.07%) Linux
Processes & Methodologies
1 33 (80.49%) MVC
2 22 (53.66%) Web Development
3 18 (43.90%) Mathematics
4 15 (36.59%) Software Engineering
5 14 (34.15%) Physics
6 12 (29.27%) BDD
6 12 (29.27%) Microservices
6 12 (29.27%) SOLID
7 11 (26.83%) Agile Software Development
8 7 (17.07%) Mobile Application Development
8 7 (17.07%) Multithreading
8 7 (17.07%) Scrum
9 4 (9.76%) Concurrent Programming
9 4 (9.76%) Multithreaded Programming
10 3 (7.32%) Low Latency
10 3 (7.32%) Mobile Development
10 3 (7.32%) TDD
11 2 (4.88%) High Availability
Programming Languages
1 34 (82.93%) C#
2 29 (70.73%) JavaScript
3 22 (53.66%) TypeScript
4 7 (17.07%) Java
4 7 (17.07%) Shell Script
5 4 (9.76%) PL/SQL
5 4 (9.76%) SQL
Qualifications
1 3 (7.32%) Degree
Vendors
1 4 (9.76%) Oracle