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 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
24 Jul 2016
Same period 2015 Same period 2014
JRuby
Rank 622 - 601
Rank change year-on-year
- 0
Contract jobs citing JRuby 21 0 2
As % of all contract IT jobs located in the UK 0.039% - 0.004%
As % of the Libraries, Frameworks & Software Standards category 0.13% - 0.014%
Number of daily rates quoted 21 0 1
Median daily rate £575 - £290
UK excluding London median daily rate £500 - £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
15657 15670 14656
As % of all contract IT jobs located in the UK 28.93% 27.52% 27.58%
Number of daily rates quoted 10952 10538 9499
Median daily rate £415 £397 £375
Median daily rate % change year-on-year
+4.53% +5.86%
90% offered a daily rate of more than £300 £280 £265
10% offered a daily rate of more than £550 £550 £525
UK excluding London median daily rate £375 £350 £340
% change year-on-year
+7.14% +2.94%
Number of hourly rates quoted 199 220 208
Median hourly rate £38.75 £39.55 £35.00
Median hourly rate % change year-on-year
-2.02% +13.00%
90% offered a hourly rate of more than £19.44 £16.51 £17.50
10% offered a hourly rate of more than £51.00 £55.00 £53.00
UK excluding London median hourly rate £37.50 £40.00 £35.00
% change year-on-year
-6.25% +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 24 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 24 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 - 21 £575 -
London - 20 £575 -
City of London - 11 £575 -
Leeds - 1 £500 -
West Yorkshire - 1 £500 -
Yorkshire - 1 £500 -

JRuby
Top 30 Related IT Skills

For the 6 months to 24 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 31 (86.11%) Java
2 30 (83.33%) Scala
3 29 (80.56%) Groovy
3 29 (80.56%) JavaScript
3 29 (80.56%) HTML
4 28 (77.78%) Scrum
4 28 (77.78%) Agile Software Development
4 28 (77.78%) TDD
4 28 (77.78%) HTML5
5 27 (75.00%) Jython
6 26 (72.22%) CSS
6 26 (72.22%) Clojure
6 26 (72.22%) AngularJS
7 25 (69.44%) CSS3
8 24 (66.67%) Finance
8 24 (66.67%) Puppet
9 23 (63.89%) MongoDB
9 23 (63.89%) Amazon AWS
10 22 (61.11%) MySQL
10 22 (61.11%) Python
11 21 (58.33%) jQuery
12 20 (55.56%) Grails
12 20 (55.56%) YUI
12 20 (55.56%) RabbitMQ
12 20 (55.56%) Responsive Web Design
12 20 (55.56%) Analytical Skills
13 11 (30.56%) NoSQL
13 11 (30.56%) REST
13 11 (30.56%) MVC
14 9 (25.00%) Node.js

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 (2.78%) Tomcat
Cloud Services
1 23 (63.89%) Amazon AWS
2 3 (8.33%) Amazon EC2
2 3 (8.33%) PaaS
3 2 (5.56%) Amazon ElastiCache
3 2 (5.56%) GitHub
Communications & Networking
1 4 (11.11%) Network Security
1 4 (11.11%) SAN
2 3 (8.33%) LDAP
3 2 (5.56%) HTTP
Database & Business Intelligence
1 23 (63.89%) MongoDB
2 22 (61.11%) MySQL
3 11 (30.56%) NoSQL
4 4 (11.11%) Apache Cassandra
5 3 (8.33%) SQL Server
6 2 (5.56%) Redis
7 1 (2.78%) Data Warehouse
Development Applications
1 6 (16.67%) Git (software)
2 5 (13.89%) Gradle
2 5 (13.89%) Spock
3 3 (8.33%) Geb
3 3 (8.33%) Jenkins
3 3 (8.33%) JUnit
3 3 (8.33%) Vagrant
4 2 (5.56%) Ant
4 2 (5.56%) EasyMock
4 2 (5.56%) jMock
4 2 (5.56%) Maven
4 2 (5.56%) Mockito
4 2 (5.56%) Subversion
5 1 (2.78%) Grunt
5 1 (2.78%) gulp
5 1 (2.78%) Selenium
General
1 24 (66.67%) Finance
2 3 (8.33%) Retail
Job Titles
1 32 (88.89%) Developer
2 27 (75.00%) Java Developer
3 25 (69.44%) Senior Developer
4 24 (66.67%) Senior Java Developer
5 4 (11.11%) Administrator
5 4 (11.11%) Linux Administrator
5 4 (11.11%) Linux Systems Administrator
5 4 (11.11%) Systems Administrator
6 3 (8.33%) Agile Developer
6 3 (8.33%) Agile Java Developer
6 3 (8.33%) PHP Developer
6 3 (8.33%) Senior Agile Developer
6 3 (8.33%) Senior Agile Java Developer
7 1 (2.78%) Java Scala Developer
7 1 (2.78%) JavaScript Developer
7 1 (2.78%) Ruby on Rails Developer
7 1 (2.78%) Scala Developer
7 1 (2.78%) Senior Java Scala Developer
7 1 (2.78%) Senior PHP Developer
7 1 (2.78%) Senior Scala Developer
Libraries, Frameworks & Software Standards
1 29 (80.56%) HTML
2 28 (77.78%) HTML5
3 26 (72.22%) AngularJS
3 26 (72.22%) CSS
4 25 (69.44%) CSS3
5 21 (58.33%) jQuery
6 20 (55.56%) Grails
6 20 (55.56%) RabbitMQ
6 20 (55.56%) YUI
7 11 (30.56%) REST
8 9 (25.00%) Node.js
9 8 (22.22%) SOAP
9 8 (22.22%) Spring
10 7 (19.44%) Spring MVC
11 5 (13.89%) JSON
11 5 (13.89%) RESTful
11 5 (13.89%) XML
12 4 (11.11%) Web Services
13 3 (8.33%) CodeIgniter
13 3 (8.33%) Java EE
Miscellaneous
1 20 (55.56%) Analytical Skills
2 4 (11.11%) Hedge funds
3 3 (8.33%) Algorithms
3 3 (8.33%) Mobile App
4 2 (5.56%) Computer Science
Operating Systems
1 5 (13.89%) Linux
2 4 (11.11%) VyOS
2 4 (11.11%) Windows
3 1 (2.78%) Unix
Processes & Methodologies
1 28 (77.78%) Agile Software Development
1 28 (77.78%) Scrum
1 28 (77.78%) TDD
2 20 (55.56%) Responsive Web Design
3 11 (30.56%) MVC
4 5 (13.89%) Open Source
5 3 (8.33%) BDD
5 3 (8.33%) Continuous Improvement
5 3 (8.33%) Continuous Integration
5 3 (8.33%) Data Modelling
5 3 (8.33%) DevOps
5 3 (8.33%) E-Commerce
5 3 (8.33%) Kanban
5 3 (8.33%) OO
5 3 (8.33%) Project Management
5 3 (8.33%) Unit Testing
6 2 (5.56%) Integration Testing
6 2 (5.56%) OOP
6 2 (5.56%) SOA
6 2 (5.56%) Software Engineering
Programming Languages
1 31 (86.11%) Java
2 30 (83.33%) Scala
3 29 (80.56%) Groovy
3 29 (80.56%) JavaScript
4 27 (75.00%) Jython
5 26 (72.22%) Clojure
6 22 (61.11%) Python
7 6 (16.67%) Ruby
8 5 (13.89%) Go
8 5 (13.89%) PHP
9 4 (11.11%) PowerShell
10 3 (8.33%) Erlang
10 3 (8.33%) SQL
11 2 (5.56%) C
11 2 (5.56%) C++
Qualifications
1 2 (5.56%) Degree
1 2 (5.56%) PhD
Quality Assurance & Compliance
1 2 (5.56%) QA
System Software
1 5 (13.89%) Docker
1 5 (13.89%) Virtual Machines
2 4 (11.11%) NFS
Systems Management
1 24 (66.67%) Puppet
2 4 (11.11%) Opscode Chef
Vendors
1 4 (11.11%) 3PAR
1 4 (11.11%) Brocade
1 4 (11.11%) Cisco
1 4 (11.11%) VMware
1 4 (11.11%) Vyatta