The table below looks at the statistics for JRuby skills in IT contracts advertised for the London region. Included is a guide to the contractor rates offered in IT contracts that have cited JRuby over the 3 months to 25 May 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
25 May 2016
Same period 2015 Same period 2014
JRuby
Rank 405 - 415
Rank change year-on-year
- 0
Contract jobs citing JRuby 12 0 1
As % of all contract IT jobs located in London 0.055% - 0.004%
As % of the Libraries, Frameworks & Software Standards category 0.17% - 0.014%
Number of daily rates quoted 12 0 0
Median daily rate £575 - -
UK excluding London median daily rate £394 - -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -
JRuby
England

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

Libraries, Frameworks & Software Standards Category
London
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
6960 6798 6920
As % of all contract IT jobs located in London 32.03% 30.66% 30.56%
Number of daily rates quoted 5356 4885 5081
Median daily rate £450 £420 £413
Median daily rate % change year-on-year
+7.14% +1.81%
90% offered a daily rate of more than £325 £300 £300
10% offered a daily rate of more than £600 £575 £550
UK excluding London median daily rate £375 £350 £350
% change year-on-year
+7.14% -
Number of hourly rates quoted 22 45 16
Median hourly rate £42.50 £22.18 £45.00
Median hourly rate % change year-on-year
+91.61% -50.71%
90% offered a hourly rate of more than £18.60 £16.43 £30.00
10% offered a hourly rate of more than £190.00 £52.17 £175.00
UK excluding London median hourly rate £34.75 £37.50 £35.00
% change year-on-year
-7.33% +7.14%

JRuby
Jobs Demand Trend in London

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

JRuby Jobs Demand Trend in London

JRuby
Daily Rate Trend in London

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

JRuby Daily Rate Trend in London

JRuby
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JRuby within the London region over the 3 months to 25 May 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
City of London - 4 £575 -
JRuby
England

JRuby
Top 30 Related IT Skills in London

For the 6 months to 25 May 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 across the London region with a requirement for JRuby.

1 19 (86.36%) Puppet
2 18 (81.82%) Finance
3 16 (72.73%) HTML
3 16 (72.73%) Java
3 16 (72.73%) JavaScript
3 16 (72.73%) Scala
3 16 (72.73%) HTML5
3 16 (72.73%) Groovy
4 15 (68.18%) Amazon AWS
4 15 (68.18%) Clojure
4 15 (68.18%) CSS
4 15 (68.18%) Jython
4 15 (68.18%) CSS3
5 14 (63.64%) AngularJS
5 14 (63.64%) Scrum
5 14 (63.64%) Agile Software Development
5 14 (63.64%) TDD
6 13 (59.09%) MySQL
6 13 (59.09%) Python
6 13 (59.09%) MongoDB
6 13 (59.09%) RabbitMQ
6 13 (59.09%) Grails
6 13 (59.09%) YUI
6 13 (59.09%) jQuery
6 13 (59.09%) Analytical Skills
6 13 (59.09%) Responsive Web Design
7 6 (27.27%) Opscode Chef
7 6 (27.27%) Vyatta
7 6 (27.27%) Ruby
7 6 (27.27%) Hedge funds

JRuby
Top Related IT Skills in London 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 3 (13.64%) Node.js
Cloud Services
1 15 (68.18%) Amazon AWS
2 2 (9.09%) Amazon EC2
2 2 (9.09%) PaaS
Communications & Networking
1 5 (22.73%) Network Security
1 5 (22.73%) SAN
2 2 (9.09%) LDAP
2 2 (9.09%) SSH
Database & Business Intelligence
1 13 (59.09%) MongoDB
1 13 (59.09%) MySQL
2 4 (18.18%) Apache Cassandra
3 3 (13.64%) NoSQL
3 3 (13.64%) SQL Server
Development Applications
1 2 (9.09%) Geb
1 2 (9.09%) Git (software)
1 2 (9.09%) Gradle
1 2 (9.09%) JUnit
1 2 (9.09%) Spock
1 2 (9.09%) Vagrant
2 1 (4.55%) Jenkins
General
1 18 (81.82%) Finance
2 1 (4.55%) Retail
Job Titles
1 16 (72.73%) Developer
2 15 (68.18%) Senior Developer
3 14 (63.64%) Java Developer
3 14 (63.64%) Senior Java Developer
4 6 (27.27%) Administrator
4 6 (27.27%) Systems Administrator
5 4 (18.18%) Linux Administrator
5 4 (18.18%) Linux Systems Administrator
6 2 (9.09%) PHP Developer
6 2 (9.09%) Windows Administrator
6 2 (9.09%) Windows Systems Administrator
7 1 (4.55%) Agile Developer
7 1 (4.55%) Agile Java Developer
7 1 (4.55%) Java Scala Developer
7 1 (4.55%) Scala Developer
7 1 (4.55%) Senior Agile Developer
7 1 (4.55%) Senior Agile Java Developer
7 1 (4.55%) Senior Java Scala Developer
7 1 (4.55%) Senior Scala Developer
7 1 (4.55%) VMWare Administrator
Libraries, Frameworks & Software Standards
1 16 (72.73%) HTML
1 16 (72.73%) HTML5
2 15 (68.18%) CSS
2 15 (68.18%) CSS3
3 14 (63.64%) AngularJS
4 13 (59.09%) Grails
4 13 (59.09%) jQuery
4 13 (59.09%) RabbitMQ
4 13 (59.09%) YUI
5 3 (13.64%) REST
6 2 (9.09%) CodeIgniter
6 2 (9.09%) RESTful
6 2 (9.09%) SOAP
7 1 (4.55%) Apache Camel
7 1 (4.55%) Java EE
7 1 (4.55%) React
7 1 (4.55%) Spring
7 1 (4.55%) Spring Integration
7 1 (4.55%) Spring MVC
7 1 (4.55%) XML
Miscellaneous
1 13 (59.09%) Analytical Skills
2 6 (27.27%) Hedge funds
3 2 (9.09%) Algorithms
3 2 (9.09%) Mobile App
Operating Systems
1 6 (27.27%) Linux
2 5 (22.73%) VyOS
2 5 (22.73%) Windows
Processes & Methodologies
1 14 (63.64%) Agile Software Development
1 14 (63.64%) Scrum
1 14 (63.64%) TDD
2 13 (59.09%) Responsive Web Design
3 3 (13.64%) MVC
4 2 (9.09%) Data Modelling
4 2 (9.09%) Multithreading
4 2 (9.09%) Project Management
5 1 (4.55%) Continuous Improvement
5 1 (4.55%) Continuous Integration
5 1 (4.55%) DevOps
5 1 (4.55%) E-Commerce
5 1 (4.55%) Kanban
5 1 (4.55%) Open Source
Programming Languages
1 16 (72.73%) Groovy
1 16 (72.73%) Java
1 16 (72.73%) JavaScript
1 16 (72.73%) Scala
2 15 (68.18%) Clojure
2 15 (68.18%) Jython
3 13 (59.09%) Python
4 6 (27.27%) PowerShell
4 6 (27.27%) Ruby
5 3 (13.64%) SQL
6 2 (9.09%) Erlang
6 2 (9.09%) Go
6 2 (9.09%) PHP
System Software
1 5 (22.73%) NFS
2 2 (9.09%) Docker
3 1 (4.55%) VMware Infrastructure
Systems Management
1 19 (86.36%) Puppet
2 6 (27.27%) Opscode Chef
Vendors
1 6 (27.27%) Cisco
1 6 (27.27%) VMware
1 6 (27.27%) Vyatta
2 5 (22.73%) 3PAR
2 5 (22.73%) Brocade