The table below looks at the statistics for JRuby skills in IT contracts advertised across the UK. Included is a guide to the contractor rates offered in IT contracts that have cited JRuby over the 3 months to 24 February 2017 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
24 Feb 2017
Same period 2016 Same period 2015
JRuby
UK
Rank 604 617 601
Rank change year-on-year
+13 -16
Contract jobs citing JRuby 4 11 10
As % of all contract IT jobs located in the UK 0.009% 0.021% 0.019%
As % of the Libraries, Frameworks & Software Standards category 0.028% 0.074% 0.071%
Number of daily rates quoted 0 10 7
Median daily rate - £500 £450
Median daily rate % change year-on-year
- +11.11%
UK excluding London median daily rate - - £450
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

The following table is for comparison with the above and provides statistics for the entire Libraries, Frameworks & Software Standards category in contract jobs advertised across the UK.

Libraries, Frameworks & Software Standards Category
UK
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
14168 14836 14077
As % of all contract IT jobs located in the UK 31.20% 28.53% 26.81%
Number of daily rates quoted 9872 10211 9296
Median daily rate £425 £400 £390
Median daily rate % change year-on-year
+6.25% +2.56%
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £575 £550 £550
UK excluding London median daily rate £375 £363 £350
% change year-on-year
+3.44% +3.57%
Number of hourly rates quoted 163 245 191
Median hourly rate £41.00 £40.00 £34.00
Median hourly rate % change year-on-year
+2.50% +17.64%
90% offered a hourly rate of more than £17.04 £21.15 £20.00
10% offered a hourly rate of more than £55.00 £60.62 £47.50
UK excluding London median hourly rate £40.00 £38.75 £35.00
% change year-on-year
+3.22% +10.71%

JRuby
Jobs Demand Trend

The demand trend of contract jobs citing JRuby as a proportion of all IT contracts with a match in the Libraries, Frameworks & Software Standards category.

JRuby Jobs Demand Trend in the UK

JRuby
Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing JRuby within the UK.

JRuby Daily Rate Trend in the UK

JRuby
Top 4 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JRuby within the UK over the 3 months to 24 February 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
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +24 2 - - 1
London +15 2 - -
Glasgow - 2 - -
Scotland - 2 - -

JRuby
Top 30 Related IT Skills

For the 6 months to 24 February 2017, IT contractor jobs citing JRuby also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for JRuby.

1 7 (77.78%) Scrum
1 7 (77.78%) Jython
1 7 (77.78%) Java
1 7 (77.78%) Agile Software Development
1 7 (77.78%) Groovy
2 5 (55.56%) Scala
2 5 (55.56%) Clojure
2 5 (55.56%) JavaScript
2 5 (55.56%) CSS
2 5 (55.56%) MySQL
2 5 (55.56%) HTML
2 5 (55.56%) REST
2 5 (55.56%) Analytical Skills
3 4 (44.44%) MongoDB
3 4 (44.44%) Finance
3 4 (44.44%) Amazon AWS
3 4 (44.44%) TDD
4 3 (33.33%) Grails
4 3 (33.33%) YUI
4 3 (33.33%) jQuery
4 3 (33.33%) Puppet
4 3 (33.33%) HTML5
4 3 (33.33%) MVC
4 3 (33.33%) SQL
4 3 (33.33%) SOAP
4 3 (33.33%) Web Services
4 3 (33.33%) Python
4 3 (33.33%) RabbitMQ
4 3 (33.33%) CSS3
4 3 (33.33%) Responsive Web Design

JRuby
Top Related 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 2 (22.22%) Adobe Experience Manager
1 2 (22.22%) CMS
1 2 (22.22%) GlassFish
1 2 (22.22%) Oracle SOA Suite
1 2 (22.22%) Tomcat
2 1 (11.11%) Elasticsearch
Cloud Services
1 4 (44.44%) Amazon AWS
2 1 (11.11%) Amazon EC2
2 1 (11.11%) Amazon S3
2 1 (11.11%) AWS OpsWorks
2 1 (11.11%) GitHub
2 1 (11.11%) PaaS
Database & Business Intelligence
1 5 (55.56%) MySQL
2 4 (44.44%) MongoDB
3 2 (22.22%) NoSQL
3 2 (22.22%) Oracle Database
3 2 (22.22%) Oracle Database 11g
4 1 (11.11%) Redis
Development Applications
1 2 (22.22%) Git (software)
1 2 (22.22%) Gradle
1 2 (22.22%) Oracle APEX
1 2 (22.22%) Spock
2 1 (11.11%) Ant
2 1 (11.11%) Capybara
2 1 (11.11%) Cucumber
2 1 (11.11%) EasyMock
2 1 (11.11%) Geb
2 1 (11.11%) JIRA
2 1 (11.11%) jMock
2 1 (11.11%) JUnit
2 1 (11.11%) Maven
2 1 (11.11%) Mockito
2 1 (11.11%) Selenium
2 1 (11.11%) Subversion
2 1 (11.11%) Vagrant
General
1 4 (44.44%) Finance
Job Titles
1 8 (88.89%) Developer
2 5 (55.56%) Java Developer
3 4 (44.44%) Senior Developer
3 4 (44.44%) Senior Java Developer
4 1 (11.11%) Ruby on Rails Developer
4 1 (11.11%) Test Automation Engineer
4 1 (11.11%) Test Engineer
Libraries, Frameworks & Software Standards
1 5 (55.56%) CSS
1 5 (55.56%) HTML
1 5 (55.56%) REST
2 3 (33.33%) AngularJS
2 3 (33.33%) CSS3
2 3 (33.33%) Grails
2 3 (33.33%) HTML5
2 3 (33.33%) jQuery
2 3 (33.33%) RabbitMQ
2 3 (33.33%) SOAP
2 3 (33.33%) Web Services
2 3 (33.33%) YUI
3 2 (22.22%) Apache Felix
3 2 (22.22%) Apache Sling
3 2 (22.22%) Java EE
3 2 (22.22%) JSP
3 2 (22.22%) JSTL
3 2 (22.22%) Servlets
3 2 (22.22%) XML
4 1 (11.11%) Velocity
Miscellaneous
1 5 (55.56%) Analytical Skills
2 2 (22.22%) Video on Demand
3 1 (11.11%) Enterprise Software
3 1 (11.11%) Mobile App
3 1 (11.11%) Over-the-Top Content
Operating Systems
1 1 (11.11%) Linux
1 1 (11.11%) Unix
Processes & Methodologies
1 7 (77.78%) Agile Software Development
1 7 (77.78%) Scrum
2 4 (44.44%) TDD
3 3 (33.33%) MVC
3 3 (33.33%) Responsive Web Design
4 2 (22.22%) BDD
4 2 (22.22%) Configuration Management
4 2 (22.22%) Content Management
4 2 (22.22%) People Management
4 2 (22.22%) Performance Testing
4 2 (22.22%) SDLC
4 2 (22.22%) SOA
4 2 (22.22%) Waterfall
5 1 (11.11%) Active Record
5 1 (11.11%) API Testing
5 1 (11.11%) Automated Testing
5 1 (11.11%) Case Management
5 1 (11.11%) Compatibility Testing
5 1 (11.11%) Defect Tracking
5 1 (11.11%) Kanban
Programming Languages
1 7 (77.78%) Groovy
1 7 (77.78%) Java
1 7 (77.78%) Jython
2 5 (55.56%) Clojure
2 5 (55.56%) JavaScript
2 5 (55.56%) Scala
3 3 (33.33%) Python
3 3 (33.33%) SQL
4 1 (11.11%) Erlang
4 1 (11.11%) Go
4 1 (11.11%) Ruby
Qualifications
1 1 (11.11%) Degree
1 1 (11.11%) ISEB
System Software
1 2 (22.22%) Docker
Systems Management
1 3 (33.33%) Puppet
Vendors
1 2 (22.22%) Adobe
1 2 (22.22%) Oracle