Period
to 22 November 2017

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for JRuby skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited JRuby over the 6 months to 22 November 2017 with a comparison to the same period in the previous 2 years.

JRuby
England > London
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 829 795 894
Rank change year-on-year -34 +99 +21
Permanent jobs citing JRuby 13 44 13
As % of all permanent IT jobs advertised in London 0.017% 0.058% 0.015%
As % of the Libraries, Frameworks & Software Standards category 0.044% 0.14% 0.039%
Number of salaries quoted 13 38 13
London median annual salary £75,000 £61,250 £90,000
Median salary % change year-on-year +22.45% -31.94% +12.50%
10th Percentile £67,500 £48,750 £48,750
90th Percentile £98,000 £85,375 £102,500
England median annual salary £75,000 £62,500 £95,000
% change year-on-year +20.00% -34.21% +18.75%

JRuby is in the Software Libraries and Frameworks 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 technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
London
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 29398 30598 33098
As % of all permanent IT jobs advertised in London 39.01% 40.15% 37.65%
Number of salaries quoted 23963 26965 28347
London median annual salary £60,000 £58,000 £55,000
Median salary % change year-on-year +3.45% +5.45% +4.76%
10th Percentile £36,250 £35,000 £34,750
90th Percentile £89,800 £86,250 £83,750
England median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

JRuby
Job Vacancy Trend in London

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

Job vacancy trend for JRuby in London

JRuby
Salary Trend in London

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

Salary trend for JRuby in London

JRuby
Salary Histogram in London

The salary distribution of IT jobs citing JRuby in London over the 6 months to 22 November 2017.

Salary histogram for JRuby in London

For the 6 months to 22 November 2017, IT jobs citing JRuby 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 JRuby.

1 13 (100.00%) JavaScript
2 12 (92.31%) Java
2 12 (92.31%) Agile Software Development
2 12 (92.31%) TDD
2 12 (92.31%) Groovy
2 12 (92.31%) Scala
3 10 (76.92%) MVC
3 10 (76.92%) Pair Programming
3 10 (76.92%) Spring
3 10 (76.92%) Open Source
3 10 (76.92%) Continuous Integration
3 10 (76.92%) REST
3 10 (76.92%) DevOps
4 9 (69.23%) Apache Camel
4 9 (69.23%) React
4 9 (69.23%) Continuous Delivery
4 9 (69.23%) Microservices
4 9 (69.23%) Spring Integration
4 9 (69.23%) Node.js
4 9 (69.23%) NoSQL
4 9 (69.23%) Unit Testing
4 9 (69.23%) Configuration Management
5 3 (23.08%) Amazon AWS
6 2 (15.38%) HTML5
6 2 (15.38%) Clojure
6 2 (15.38%) RabbitMQ
6 2 (15.38%) CSS3
6 2 (15.38%) AngularJS
6 2 (15.38%) Analytical Skills
6 2 (15.38%) Finance

JRuby
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:

Cloud Services
1 3 (23.08%) Amazon AWS
Database & Business Intelligence
1 9 (69.23%) NoSQL
2 2 (15.38%) MySQL
3 1 (7.69%) MongoDB
General
1 2 (15.38%) Finance
Job Titles
1 12 (92.31%) Developer
1 12 (92.31%) Senior Developer
2 11 (84.62%) Java Developer
2 11 (84.62%) Senior Java Developer
3 9 (69.23%) Agile Developer
3 9 (69.23%) Agile Java Developer
3 9 (69.23%) Senior Agile Developer
3 9 (69.23%) Senior Agile Java Developer
4 1 (7.69%) AWS Engineer
4 1 (7.69%) AWS Software Engineer
4 1 (7.69%) Java Engineer
4 1 (7.69%) Java Software Engineer
4 1 (7.69%) Senior Software Developer
4 1 (7.69%) Software Developer
4 1 (7.69%) Software Engineer
Libraries, Frameworks & Software Standards
1 10 (76.92%) REST
1 10 (76.92%) Spring
2 9 (69.23%) Apache Camel
2 9 (69.23%) Node.js
2 9 (69.23%) React
2 9 (69.23%) Spring Integration
3 2 (15.38%) AngularJS
3 2 (15.38%) CSS
3 2 (15.38%) CSS3
3 2 (15.38%) Grails
3 2 (15.38%) HTML
3 2 (15.38%) HTML5
3 2 (15.38%) jQuery
3 2 (15.38%) RabbitMQ
3 2 (15.38%) YUI
4 1 (7.69%) Dropwizard
4 1 (7.69%) RESTful
4 1 (7.69%) Ruby on Rails
Miscellaneous
1 2 (15.38%) Analytical Skills
2 1 (7.69%) Linux Command Line
Operating Systems
1 1 (7.69%) Linux
1 1 (7.69%) Mac OS X
Processes & Methodologies
1 12 (92.31%) Agile Software Development
1 12 (92.31%) TDD
2 10 (76.92%) Continuous Integration
2 10 (76.92%) DevOps
2 10 (76.92%) MVC
2 10 (76.92%) Open Source
2 10 (76.92%) Pair Programming
3 9 (69.23%) Configuration Management
3 9 (69.23%) Continuous Delivery
3 9 (69.23%) Microservices
3 9 (69.23%) Unit Testing
4 2 (15.38%) Scrum
5 1 (7.69%) B2B
5 1 (7.69%) Responsive Web Design
5 1 (7.69%) SDLC
5 1 (7.69%) Software Engineering
5 1 (7.69%) Web Application Development
Programming Languages
1 13 (100.00%) JavaScript
2 12 (92.31%) Groovy
2 12 (92.31%) Java
2 12 (92.31%) Scala
3 2 (15.38%) Clojure
3 2 (15.38%) Jython
3 2 (15.38%) Python
4 1 (7.69%) CoffeeScript
4 1 (7.69%) Elixir
4 1 (7.69%) ES6
4 1 (7.69%) PL/SQL
4 1 (7.69%) Ruby
Qualifications
1 1 (7.69%) Degree
1 1 (7.69%) SC Cleared
1 1 (7.69%) Security Cleared
System Software
1 1 (7.69%) Docker
Systems Management
1 1 (7.69%) Kubernetes
1 1 (7.69%) Puppet