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 18 January 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
18 Jan 2017
Same period 2016 Same period 2015
JRuby
UK
Rank 596 613 590
Rank change year-on-year
+17 -23
Contract jobs citing JRuby 4 5 11
As % of all contract IT jobs located in the UK 0.009% 0.010% 0.022%
As % of the Libraries, Frameworks & Software Standards category 0.029% 0.034% 0.080%
Number of daily rates quoted 3 5 7
Median daily rate £525 £450 £425
Median daily rate % change year-on-year
+16.66% +5.88%
90% offered a daily rate of more than £435 £413 £376
10% offered a daily rate of more than £625 £450 £435
UK excluding London median daily rate £413 - £425
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
13751 14734 13681
As % of all contract IT jobs located in the UK 30.66% 28.97% 27.41%
Number of daily rates quoted 9453 10131 9262
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 £310 £300 £275
10% offered a daily rate of more than £575 £550 £550
UK excluding London median daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 160 264 181
Median hourly rate £38.00 £38.50 £33.50
Median hourly rate % change year-on-year
-1.29% +14.92%
90% offered a hourly rate of more than £16.50 £20.50 £18.50
10% offered a hourly rate of more than £52.00 £55.55 £50.00
UK excluding London median hourly rate £37.50 £37.50 £33.50
% change year-on-year
- +11.94%

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
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing JRuby within the UK over the 3 months to 18 January 2017.

JRuby Daily Rate Histogram in the UK

JRuby
Top 6 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 18 January 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 +23 4 £525 +16.66%
London +6 3 £588 +30.55%
City of London -15 1 £650 +44.44%
Yorkshire - 1 £413 -
South Yorkshire - 1 £413 -
Sheffield - 1 £413 -

JRuby
Top 30 Related IT Skills

For the 6 months to 18 January 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 8 (88.89%) Java
1 8 (88.89%) Scrum
1 8 (88.89%) Jython
1 8 (88.89%) Groovy
1 8 (88.89%) Scala
1 8 (88.89%) Clojure
2 7 (77.78%) MongoDB
2 7 (77.78%) Amazon AWS
2 7 (77.78%) Finance
2 7 (77.78%) Agile Software Development
2 7 (77.78%) TDD
3 6 (66.67%) HTML
3 6 (66.67%) Grails
3 6 (66.67%) YUI
3 6 (66.67%) jQuery
3 6 (66.67%) JavaScript
3 6 (66.67%) MySQL
3 6 (66.67%) CSS
3 6 (66.67%) Python
3 6 (66.67%) Puppet
3 6 (66.67%) HTML5
3 6 (66.67%) RabbitMQ
3 6 (66.67%) CSS3
3 6 (66.67%) AngularJS
3 6 (66.67%) Responsive Web Design
3 6 (66.67%) Analytical Skills
4 2 (22.22%) Spock
4 2 (22.22%) Docker
4 2 (22.22%) Gradle
4 2 (22.22%) Git (software)

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%) Tomcat
2 1 (11.11%) Elasticsearch
Cloud Services
1 7 (77.78%) 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 7 (77.78%) MongoDB
2 6 (66.67%) MySQL
3 2 (22.22%) NoSQL
4 1 (11.11%) Redis
Development Applications
1 2 (22.22%) Git (software)
1 2 (22.22%) Gradle
1 2 (22.22%) Spock
2 1 (11.11%) Ant
2 1 (11.11%) EasyMock
2 1 (11.11%) Geb
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 7 (77.78%) Finance
Job Titles
1 9 (100.00%) Developer
2 8 (88.89%) Java Developer
3 7 (77.78%) Senior Developer
3 7 (77.78%) Senior Java Developer
4 1 (11.11%) Ruby on Rails Developer
Libraries, Frameworks & Software Standards
1 6 (66.67%) AngularJS
1 6 (66.67%) CSS
1 6 (66.67%) CSS3
1 6 (66.67%) Grails
1 6 (66.67%) HTML
1 6 (66.67%) HTML5
1 6 (66.67%) jQuery
1 6 (66.67%) RabbitMQ
1 6 (66.67%) YUI
2 2 (22.22%) REST
3 1 (11.11%) JSON
3 1 (11.11%) Node.js
3 1 (11.11%) Ruby on Rails
3 1 (11.11%) RxJava
3 1 (11.11%) SOAP
3 1 (11.11%) Spring
3 1 (11.11%) Spring MVC
3 1 (11.11%) Velocity
3 1 (11.11%) Web Services
Miscellaneous
1 6 (66.67%) Analytical Skills
2 1 (11.11%) Mobile App
2 1 (11.11%) Over-the-Top Content
2 1 (11.11%) Video on Demand
Operating Systems
1 1 (11.11%) Linux
1 1 (11.11%) Unix
Processes & Methodologies
1 8 (88.89%) Scrum
2 7 (77.78%) Agile Software Development
2 7 (77.78%) TDD
3 6 (66.67%) Responsive Web Design
4 1 (11.11%) Active Record
4 1 (11.11%) BDD
4 1 (11.11%) Kanban
4 1 (11.11%) MVC
Programming Languages
1 8 (88.89%) Clojure
1 8 (88.89%) Groovy
1 8 (88.89%) Java
1 8 (88.89%) Jython
1 8 (88.89%) Scala
2 6 (66.67%) JavaScript
2 6 (66.67%) Python
3 1 (11.11%) Erlang
3 1 (11.11%) Go
3 1 (11.11%) Ruby
3 1 (11.11%) SQL
System Software
1 2 (22.22%) Docker
Systems Management
1 6 (66.67%) Puppet