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 1 July 2016 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
1 Jul 2016
Same period 2015 Same period 2014
JRuby
Rank 617 640 630
Rank change year-on-year
+23 -10
Contract jobs citing JRuby 21 3 6
As % of all contract IT jobs located in the UK 0.039% 0.005% 0.011%
As % of the Libraries, Frameworks & Software Standards category 0.14% 0.019% 0.040%
Number of daily rates quoted 21 0 1
Median daily rate £575 - £290
UK excluding London median daily rate £413 - £290
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
15246 15434 14997
As % of all contract IT jobs located in the UK 28.51% 27.49% 27.82%
Number of daily rates quoted 10737 10309 9776
Median daily rate £420 £388 £375
Median daily rate % change year-on-year
+8.38% +3.33%
90% offered a daily rate of more than £300 £283 £273
10% offered a daily rate of more than £550 £550 £525
UK excluding London median daily rate £375 £350 £350
% change year-on-year
+7.14% -
Number of hourly rates quoted 187 222 219
Median hourly rate £36.00 £38.00 £35.00
Median hourly rate % change year-on-year
-5.26% +8.57%
90% offered a hourly rate of more than £18.80 £18.40 £18.00
10% offered a hourly rate of more than £50.00 £55.00 £52.50
UK excluding London median hourly rate £36.00 £40.00 £35.00
% change year-on-year
-10.00% +14.28%

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 1 July 2016.

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 1 July 2016. 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
(Click see detailed
statistics and trends)
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 +22 21 £575 - 2
London - 18 £575 - 1
City of London - 9 £575 -
Sheffield - 3 £413 -
South Yorkshire - 3 £413 -
Yorkshire - 3 £413 -

JRuby
Top 30 Related IT Skills

For the 6 months to 1 July 2016, 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 27 (81.82%) Java
2 25 (75.76%) Groovy
2 25 (75.76%) Scala
3 24 (72.73%) HTML5
3 24 (72.73%) Agile Software Development
3 24 (72.73%) JavaScript
3 24 (72.73%) HTML
4 23 (69.70%) TDD
4 23 (69.70%) Finance
4 23 (69.70%) Scrum
4 23 (69.70%) Jython
4 23 (69.70%) Clojure
4 23 (69.70%) Puppet
5 22 (66.67%) CSS3
5 22 (66.67%) CSS
6 21 (63.64%) AngularJS
7 20 (60.61%) MongoDB
7 20 (60.61%) Amazon AWS
8 19 (57.58%) MySQL
8 19 (57.58%) Python
9 17 (51.52%) Grails
9 17 (51.52%) YUI
9 17 (51.52%) jQuery
9 17 (51.52%) RabbitMQ
9 17 (51.52%) Responsive Web Design
9 17 (51.52%) Analytical Skills
10 10 (30.30%) NoSQL
10 10 (30.30%) REST
10 10 (30.30%) MVC
11 8 (24.24%) SOAP

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 1 (3.03%) Tomcat
Cloud Services
1 20 (60.61%) Amazon AWS
2 3 (9.09%) Amazon EC2
2 3 (9.09%) PaaS
3 2 (6.06%) Amazon ElastiCache
3 2 (6.06%) GitHub
Communications & Networking
1 6 (18.18%) Network Security
1 6 (18.18%) SAN
2 3 (9.09%) LDAP
3 2 (6.06%) HTTP
4 1 (3.03%) SSH
Database & Business Intelligence
1 20 (60.61%) MongoDB
2 19 (57.58%) MySQL
3 10 (30.30%) NoSQL
4 5 (15.15%) Apache Cassandra
5 3 (9.09%) SQL Server
6 2 (6.06%) Redis
7 1 (3.03%) Data Warehouse
Development Applications
1 5 (15.15%) Git (software)
1 5 (15.15%) Gradle
1 5 (15.15%) Spock
2 3 (9.09%) Geb
2 3 (9.09%) JUnit
2 3 (9.09%) Vagrant
3 2 (6.06%) Ant
3 2 (6.06%) EasyMock
3 2 (6.06%) Jenkins
3 2 (6.06%) jMock
3 2 (6.06%) Maven
3 2 (6.06%) Mockito
3 2 (6.06%) Subversion
4 1 (3.03%) Selenium
General
1 23 (69.70%) Finance
2 2 (6.06%) Retail
Job Titles
1 27 (81.82%) Developer
2 23 (69.70%) Java Developer
3 21 (63.64%) Senior Developer
4 20 (60.61%) Senior Java Developer
5 6 (18.18%) Administrator
5 6 (18.18%) Systems Administrator
6 5 (15.15%) Linux Administrator
6 5 (15.15%) Linux Systems Administrator
7 3 (9.09%) PHP Developer
8 2 (6.06%) Agile Developer
8 2 (6.06%) Agile Java Developer
8 2 (6.06%) Senior Agile Developer
8 2 (6.06%) Senior Agile Java Developer
9 1 (3.03%) Java Scala Developer
9 1 (3.03%) Ruby on Rails Developer
9 1 (3.03%) Scala Developer
9 1 (3.03%) Senior Java Scala Developer
9 1 (3.03%) Senior PHP Developer
9 1 (3.03%) Windows Administrator
9 1 (3.03%) Windows Systems Administrator
Libraries, Frameworks & Software Standards
1 24 (72.73%) HTML
1 24 (72.73%) HTML5
2 22 (66.67%) CSS
2 22 (66.67%) CSS3
3 21 (63.64%) AngularJS
4 17 (51.52%) Grails
4 17 (51.52%) jQuery
4 17 (51.52%) RabbitMQ
4 17 (51.52%) YUI
5 10 (30.30%) REST
6 8 (24.24%) SOAP
7 7 (21.21%) Node.js
7 7 (21.21%) Spring
8 6 (18.18%) Spring MVC
9 5 (15.15%) JSON
9 5 (15.15%) RESTful
10 4 (12.12%) Web Services
10 4 (12.12%) XML
11 3 (9.09%) CodeIgniter
12 2 (6.06%) Apache Wicket
Miscellaneous
1 17 (51.52%) Analytical Skills
2 6 (18.18%) Hedge funds
3 3 (9.09%) Algorithms
3 3 (9.09%) Mobile App
4 2 (6.06%) Computer Science
Operating Systems
1 7 (21.21%) Linux
2 6 (18.18%) VyOS
2 6 (18.18%) Windows
3 1 (3.03%) Unix
Processes & Methodologies
1 24 (72.73%) Agile Software Development
2 23 (69.70%) Scrum
2 23 (69.70%) TDD
3 17 (51.52%) Responsive Web Design
4 10 (30.30%) MVC
5 4 (12.12%) Open Source
6 3 (9.09%) Data Modelling
6 3 (9.09%) Project Management
7 2 (6.06%) BDD
7 2 (6.06%) Continuous Improvement
7 2 (6.06%) Continuous Integration
7 2 (6.06%) E-Commerce
7 2 (6.06%) Integration Testing
7 2 (6.06%) Kanban
7 2 (6.06%) OO
7 2 (6.06%) OOP
7 2 (6.06%) SOA
7 2 (6.06%) Software Engineering
7 2 (6.06%) Unit Testing
7 2 (6.06%) Web Development
Programming Languages
1 27 (81.82%) Java
2 25 (75.76%) Groovy
2 25 (75.76%) Scala
3 24 (72.73%) JavaScript
4 23 (69.70%) Clojure
4 23 (69.70%) Jython
5 19 (57.58%) Python
6 8 (24.24%) Ruby
7 6 (18.18%) PowerShell
8 5 (15.15%) Go
8 5 (15.15%) PHP
9 3 (9.09%) Erlang
9 3 (9.09%) SQL
10 2 (6.06%) C
10 2 (6.06%) C++
Qualifications
1 2 (6.06%) Degree
1 2 (6.06%) PhD
Quality Assurance & Compliance
1 2 (6.06%) QA
System Software
1 7 (21.21%) Virtual Machines
2 6 (18.18%) NFS
3 5 (15.15%) Docker
Systems Management
1 23 (69.70%) Puppet
2 6 (18.18%) Opscode Chef
Vendors
1 6 (18.18%) 3PAR
1 6 (18.18%) Brocade
1 6 (18.18%) Cisco
1 6 (18.18%) VMware
1 6 (18.18%) Vyatta