Period
to 19 January 2018

The following table provides summary statistics for permanent job vacancies 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 19 January 2018 with a comparison to the same period in the previous 2 years.

JRuby
UK
6 months to
19 Jan 2018
Same period 2017 Same period 2016
Rank 1149 1160 1240
Rank change year-on-year +11 +80 +57
Permanent jobs citing JRuby 27 31 30
As % of all permanent IT jobs advertised in the UK 0.016% 0.018% 0.014%
As % of the Libraries, Frameworks & Software Standards category 0.038% 0.045% 0.038%
Number of salaries quoted 26 25 30
UK median annual salary £75,000 £62,500 £95,000
Median salary % change year-on-year +20.00% -34.21% +46.15%
10th Percentile £34,000 £48,750 £53,750
90th Percentile £88,750 £85,750 £102,500
UK excluding London median annual salary £36,000 £80,000 £95,000
% change year-on-year -55.00% -15.79% +171.43%

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 with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 70,673 69,589 79,812
As % of all permanent IT jobs advertised in the UK 40.60% 39.34% 38.21%
Number of salaries quoted 59,256 60,136 68,517
UK median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% -
10th Percentile £30,000 £28,750 £27,750
90th Percentile £77,500 £77,500 £75,000
UK excluding London median annual salary £42,500 £42,500 £40,000
% change year-on-year - +6.25% -

JRuby
Job Vacancy Trend

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

Job vacancy trend for JRuby in the UK

JRuby
Salary Trend

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

Salary trend for JRuby in the UK

JRuby
Salary Histogram

The salary distribution of IT jobs citing JRuby over the 6 months to 19 January 2018.

Salary histogram for JRuby in the UK

JRuby
Top 6 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JRuby within the UK over the 6 months to 19 January 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 +10 27 £75,000 +20.00% 1
London +7 18 £75,000 +20.00% 1
UK excluding London +11 6 £36,000 -55.00%
North of England - 6 £36,000 -
North West - 4 £36,000 -
Yorkshire - 2 £48,750 -

For the 6 months to 19 January 2018, 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 with a requirement for JRuby.

1 22 (81.48%) Java
1 22 (81.48%) Agile Software Development
2 21 (77.78%) Scala
3 18 (66.67%) REST
4 16 (59.26%) Groovy
5 15 (55.56%) JavaScript
6 14 (51.85%) TDD
6 14 (51.85%) Continuous Integration
6 14 (51.85%) DevOps
6 14 (51.85%) Microservices
7 13 (48.15%) Open Source
7 13 (48.15%) Spring
7 13 (48.15%) MVC
8 12 (44.44%) Continuous Delivery
8 12 (44.44%) Apache Camel
8 12 (44.44%) Spring Integration
9 10 (37.04%) Pair Programming
10 9 (33.33%) Configuration Management
10 9 (33.33%) NoSQL
10 9 (33.33%) Unit Testing
10 9 (33.33%) Node.js
10 9 (33.33%) React
11 6 (22.22%) Clojure
11 6 (22.22%) SQL
11 6 (22.22%) Linux
11 6 (22.22%) Scrum
11 6 (22.22%) Jython
12 5 (18.52%) J2EE
12 5 (18.52%) CSS
12 5 (18.52%) Security Cleared

JRuby
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 4 (14.81%) Apache
1 4 (14.81%) Tomcat
2 2 (7.41%) Apache Spark
3 1 (3.70%) IIS
3 1 (3.70%) Jetty
3 1 (3.70%) Mongrel
3 1 (3.70%) nginx
3 1 (3.70%) WebSphere
Cloud Services
1 3 (11.11%) Amazon AWS
2 1 (3.70%) Cloud Computing
2 1 (3.70%) Google App Engine
2 1 (3.70%) Google Cloud Platform
2 1 (3.70%) Microsoft Azure
2 1 (3.70%) Rackspace Cloud
Communications & Networking
1 1 (3.70%) HTTP
Database & Business Intelligence
1 9 (33.33%) NoSQL
2 2 (7.41%) Big Data
2 2 (7.41%) Hadoop
3 1 (3.70%) MongoDB
3 1 (3.70%) MySQL
3 1 (3.70%) SQL Server
Development Applications
1 5 (18.52%) Git (software)
2 2 (7.41%) Subversion
3 1 (3.70%) Ant
3 1 (3.70%) Jenkins
3 1 (3.70%) JIRA
3 1 (3.70%) Maven
3 1 (3.70%) Mercurial
3 1 (3.70%) MSBuild
3 1 (3.70%) TeamCity
General
1 3 (11.11%) Aerospace
1 3 (11.11%) Electronics
1 3 (11.11%) Marketing
1 3 (11.11%) Telecoms
2 1 (3.70%) Finance
Job Titles
1 19 (70.37%) Developer
2 18 (66.67%) Java Developer
3 16 (59.26%) Senior Developer
4 15 (55.56%) Senior Java Developer
5 9 (33.33%) Agile Developer
5 9 (33.33%) Agile Java Developer
5 9 (33.33%) Senior Agile Developer
5 9 (33.33%) Senior Agile Java Developer
6 4 (14.81%) Administrator
6 4 (14.81%) Linux Administrator
6 4 (14.81%) Linux Systems Administrator
6 4 (14.81%) Systems Administrator
7 2 (7.41%) Automation Tester
7 2 (7.41%) AWS Engineer
7 2 (7.41%) Tester
8 1 (3.70%) AWS Software Engineer
8 1 (3.70%) DevOps Engineer
8 1 (3.70%) Java Engineer
8 1 (3.70%) Java Software Engineer
8 1 (3.70%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 18 (66.67%) REST
2 13 (48.15%) Spring
3 12 (44.44%) Apache Camel
3 12 (44.44%) Spring Integration
4 9 (33.33%) Node.js
4 9 (33.33%) React
5 5 (18.52%) CSS
5 5 (18.52%) J2EE
6 4 (14.81%) LDAP
7 3 (11.11%) Hibernate
7 3 (11.11%) Spring MVC
8 2 (7.41%) Kafka
9 1 (3.70%) AngularJS
9 1 (3.70%) CSS3
9 1 (3.70%) Grails
9 1 (3.70%) HTML5
9 1 (3.70%) jQuery
9 1 (3.70%) RabbitMQ
9 1 (3.70%) Ruby on Rails
9 1 (3.70%) YUI
Miscellaneous
1 5 (18.52%) Fintech
2 3 (11.11%) Greenfield Project
3 1 (3.70%) Analytical Skills
3 1 (3.70%) Data Centre
3 1 (3.70%) Linux Command Line
3 1 (3.70%) Public Cloud
Operating Systems
1 6 (22.22%) Linux
2 4 (14.81%) CentOS
2 4 (14.81%) Debian
3 3 (11.11%) SUSE
4 1 (3.70%) Fedora
4 1 (3.70%) Mac OS X
4 1 (3.70%) Ubuntu
4 1 (3.70%) Windows
Processes & Methodologies
1 22 (81.48%) Agile Software Development
2 14 (51.85%) Continuous Integration
2 14 (51.85%) DevOps
2 14 (51.85%) Microservices
2 14 (51.85%) TDD
3 13 (48.15%) MVC
3 13 (48.15%) Open Source
4 12 (44.44%) Continuous Delivery
5 10 (37.04%) Pair Programming
6 9 (33.33%) Configuration Management
6 9 (33.33%) Unit Testing
7 6 (22.22%) Scrum
8 3 (11.11%) Logistics
8 3 (11.11%) Mentoring
9 2 (7.41%) Coaching
9 2 (7.41%) SDET
9 2 (7.41%) SDLC
9 2 (7.41%) Test Automation
10 1 (3.70%) Responsive Web Design
10 1 (3.70%) Web Application Development
Programming Languages
1 22 (81.48%) Java
2 21 (77.78%) Scala
3 16 (59.26%) Groovy
4 15 (55.56%) JavaScript
5 6 (22.22%) Clojure
5 6 (22.22%) Jython
5 6 (22.22%) SQL
6 2 (7.41%) Python
6 2 (7.41%) Ruby
7 1 (3.70%) Bash Shell
7 1 (3.70%) CoffeeScript
7 1 (3.70%) Elixir
7 1 (3.70%) ES6
7 1 (3.70%) Go
7 1 (3.70%) Perl
7 1 (3.70%) PL/SQL
7 1 (3.70%) PowerShell
Qualifications
1 5 (18.52%) Security Cleared
2 1 (3.70%) SC Cleared
Quality Assurance & Compliance
1 1 (3.70%) GCP
System Software
1 1 (3.70%) Docker
1 1 (3.70%) KVM
1 1 (3.70%) Shibboleth
1 1 (3.70%) VirtualBox
1 1 (3.70%) VMware Infrastructure
1 1 (3.70%) Xen
Systems Management
1 2 (7.41%) Puppet
2 1 (3.70%) Ansible
2 1 (3.70%) Kubernetes
2 1 (3.70%) Opscode Chef
2 1 (3.70%) Salt
Vendors
1 4 (14.81%) Red Hat
2 3 (11.11%) Oracle
3 2 (7.41%) Microsoft
4 1 (3.70%) Google
4 1 (3.70%) Perforce
4 1 (3.70%) Rackspace
4 1 (3.70%) VMware