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 3 December 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
3 Dec 2016
Same period 2015 Same period 2014
JRuby
Rank 615 - 632
Rank change year-on-year
- 0
Contract jobs citing JRuby 5 0 5
As % of all contract IT jobs located in the UK 0.010% - 0.009%
As % of the Libraries, Frameworks & Software Standards category 0.033% - 0.032%
Number of daily rates quoted 5 0 3
Median daily rate £650 - £410
UK excluding London median daily rate £413 - £410
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
15327 15921 15523
As % of all contract IT jobs located in the UK 30.99% 28.76% 26.94%
Number of daily rates quoted 10582 11090 10566
Median daily rate £425 £400 £397
Median daily rate % change year-on-year
+6.25% +0.82%
90% offered a daily rate of more than £308 £300 £275
10% offered a daily rate of more than £563 £550 £550
UK excluding London median daily rate £380 £375 £350
% change year-on-year
+1.33% +7.14%
Number of hourly rates quoted 145 263 168
Median hourly rate £40.00 £37.45 £35.00
Median hourly rate % change year-on-year
+6.80% +7.00%
90% offered a hourly rate of more than £16.41 £20.00 £17.50
10% offered a hourly rate of more than £50.00 £46.92 £50.00
UK excluding London median hourly rate £40.00 £37.50 £35.00
% change year-on-year
+6.66% +7.14%

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 3 December 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 3 December 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 - 5 £650 - 2
London - 4 £650 - 1
City of London - 3 £650 -
Sheffield - 1 £413 -
South Yorkshire - 1 £413 -
Yorkshire - 1 £413 -

JRuby
Top 30 Related IT Skills

For the 6 months to 3 December 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 17 (94.44%) Scala
2 16 (88.89%) Groovy
2 16 (88.89%) Scrum
2 16 (88.89%) Java
3 15 (83.33%) JavaScript
3 15 (83.33%) HTML
3 15 (83.33%) Jython
3 15 (83.33%) TDD
4 14 (77.78%) Agile Software Development
4 14 (77.78%) HTML5
4 14 (77.78%) Clojure
4 14 (77.78%) AngularJS
5 13 (72.22%) CSS
5 13 (72.22%) Amazon AWS
6 12 (66.67%) jQuery
6 12 (66.67%) Finance
6 12 (66.67%) Puppet
6 12 (66.67%) MongoDB
6 12 (66.67%) CSS3
7 11 (61.11%) RabbitMQ
7 11 (61.11%) Responsive Web Design
7 11 (61.11%) Analytical Skills
7 11 (61.11%) Python
7 11 (61.11%) MySQL
7 11 (61.11%) Grails
7 11 (61.11%) YUI
8 5 (27.78%) Node.js
8 5 (27.78%) REST
8 5 (27.78%) NoSQL
9 4 (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 1 (5.56%) Elasticsearch
1 1 (5.56%) Tomcat
Cloud Services
1 13 (72.22%) Amazon AWS
2 2 (11.11%) Amazon EC2
2 2 (11.11%) PaaS
3 1 (5.56%) Amazon S3
3 1 (5.56%) AWS OpsWorks
3 1 (5.56%) GitHub
Communications & Networking
1 1 (5.56%) LDAP
1 1 (5.56%) Network Security
1 1 (5.56%) SAN
Database & Business Intelligence
1 12 (66.67%) MongoDB
2 11 (61.11%) MySQL
3 5 (27.78%) NoSQL
4 1 (5.56%) Apache Cassandra
4 1 (5.56%) Redis
4 1 (5.56%) SQL Server
Development Applications
1 4 (22.22%) Git (software)
2 3 (16.67%) Gradle
2 3 (16.67%) Spock
3 2 (11.11%) Geb
3 2 (11.11%) Jenkins
3 2 (11.11%) JUnit
3 2 (11.11%) Vagrant
4 1 (5.56%) Ant
4 1 (5.56%) EasyMock
4 1 (5.56%) Grunt
4 1 (5.56%) gulp
4 1 (5.56%) jMock
4 1 (5.56%) Maven
4 1 (5.56%) Mockito
4 1 (5.56%) Selenium
4 1 (5.56%) Subversion
General
1 12 (66.67%) Finance
2 2 (11.11%) Retail
Job Titles
1 17 (94.44%) Developer
2 15 (83.33%) Java Developer
3 14 (77.78%) Senior Developer
3 14 (77.78%) Senior Java Developer
4 2 (11.11%) Agile Developer
4 2 (11.11%) Agile Java Developer
4 2 (11.11%) Senior Agile Developer
4 2 (11.11%) Senior Agile Java Developer
5 1 (5.56%) Administrator
5 1 (5.56%) JavaScript Developer
5 1 (5.56%) Linux Administrator
5 1 (5.56%) Linux Systems Administrator
5 1 (5.56%) PHP Developer
5 1 (5.56%) Systems Administrator
Libraries, Frameworks & Software Standards
1 15 (83.33%) HTML
2 14 (77.78%) AngularJS
2 14 (77.78%) HTML5
3 13 (72.22%) CSS
4 12 (66.67%) CSS3
4 12 (66.67%) jQuery
5 11 (61.11%) Grails
5 11 (61.11%) RabbitMQ
5 11 (61.11%) YUI
6 5 (27.78%) Node.js
6 5 (27.78%) REST
7 3 (16.67%) Spring
7 3 (16.67%) Spring MVC
8 2 (11.11%) Apache Camel
8 2 (11.11%) Java EE
8 2 (11.11%) React
8 2 (11.11%) SOAP
8 2 (11.11%) Spring Integration
8 2 (11.11%) XML
9 1 (5.56%) RequireJS
Miscellaneous
1 11 (61.11%) Analytical Skills
2 2 (11.11%) Mobile App
3 1 (5.56%) Algorithms
3 1 (5.56%) Hedge funds
3 1 (5.56%) Over-the-Top Content
3 1 (5.56%) Video on Demand
Operating Systems
1 2 (11.11%) Linux
2 1 (5.56%) Unix
2 1 (5.56%) VyOS
2 1 (5.56%) Windows
Processes & Methodologies
1 16 (88.89%) Scrum
2 15 (83.33%) TDD
3 14 (77.78%) Agile Software Development
4 11 (61.11%) Responsive Web Design
5 4 (22.22%) MVC
6 3 (16.67%) Kanban
7 2 (11.11%) BDD
7 2 (11.11%) Continuous Improvement
7 2 (11.11%) Continuous Integration
7 2 (11.11%) DevOps
7 2 (11.11%) E-Commerce
7 2 (11.11%) Open Source
8 1 (5.56%) Data Modelling
8 1 (5.56%) OO
8 1 (5.56%) Project Management
8 1 (5.56%) Unit Testing
Programming Languages
1 17 (94.44%) Scala
2 16 (88.89%) Groovy
2 16 (88.89%) Java
3 15 (83.33%) JavaScript
3 15 (83.33%) Jython
4 14 (77.78%) Clojure
5 11 (61.11%) Python
6 2 (11.11%) Erlang
6 2 (11.11%) Go
6 2 (11.11%) SQL
7 1 (5.56%) PHP
7 1 (5.56%) PowerShell
7 1 (5.56%) Ruby
System Software
1 3 (16.67%) Docker
2 1 (5.56%) NFS
2 1 (5.56%) Virtual Machines
Systems Management
1 12 (66.67%) Puppet
2 1 (5.56%) Opscode Chef
Vendors
1 1 (5.56%) 3PAR
1 1 (5.56%) Brocade
1 1 (5.56%) Cisco
1 1 (5.56%) VMware
1 1 (5.56%) Vyatta
London
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