Period
to 18 November 2017

The following table provides summary statistics for permanent job vacancies with a requirement for JRuby skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited JRuby over the 6 months to 18 November 2017 with a comparison to the same period in the previous 2 years.

JRuby
UK
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 1157 1167 1284
Rank change year-on-year +10 +117 +11
Permanent jobs citing JRuby 20 55 30
As % of all permanent IT jobs advertised in the UK 0.011% 0.029% 0.014%
As % of the Libraries, Frameworks & Software Standards category 0.028% 0.074% 0.036%
Number of salaries quoted 20 49 30
UK median annual salary £75,000 £62,500 £95,000
Median salary % change year-on-year +20.00% -34.21% +43.94%
10th Percentile £46,250 £38,400 £51,000
90th Percentile £91,000 £85,000 £102,500
UK excluding London median annual salary £47,500 £80,000 £95,000
% change year-on-year -40.63% -15.79% +137.50%

JRuby is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 71782 73986 83137
As % of all permanent IT jobs advertised in the UK 40.12% 38.96% 37.96%
Number of salaries quoted 59611 64205 71075
UK median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% -
10th Percentile £29,750 £28,750 £27,500
90th Percentile £77,500 £76,250 £73,750
UK excluding London median annual salary £42,500 £42,000 £40,000
% change year-on-year +1.19% +5.00% -

JRuby
Job Vacancy Trend

Job postings citing JRuby as a percentage of all IT jobs advertised.

Job vacancy trend for JRuby in the UK

JRuby
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing JRuby.

Salary trend for JRuby in the UK

JRuby
Salary Histogram

The salary distribution of IT jobs citing JRuby over the 6 months to 18 November 2017.

Salary histogram for JRuby in the UK

JRuby
Top 6 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JRuby within the UK over the 6 months to 18 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -9 20 £75,000 +20.00%
London -30 13 £75,000 +22.45%
UK excluding London +57 7 £47,500 -40.63%
North of England +9 7 £47,500 +28.38%
Yorkshire - 6 £47,500 -
North West -23 1 £34,500 -6.76%

For the 6 months to 18 November 2017, IT jobs citing JRuby also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for JRuby.

1 18 (90.00%) Java
1 18 (90.00%) Agile Software Development
1 18 (90.00%) Scala
2 15 (75.00%) Continuous Delivery
3 13 (65.00%) JavaScript
4 12 (60.00%) TDD
4 12 (60.00%) Groovy
5 10 (50.00%) MVC
5 10 (50.00%) Pair Programming
5 10 (50.00%) Spring
5 10 (50.00%) Open Source
5 10 (50.00%) Continuous Integration
5 10 (50.00%) REST
5 10 (50.00%) DevOps
6 9 (45.00%) Microservices
6 9 (45.00%) Apache Camel
6 9 (45.00%) React
6 9 (45.00%) Spring Integration
6 9 (45.00%) Node.js
6 9 (45.00%) NoSQL
6 9 (45.00%) Unit Testing
6 9 (45.00%) Configuration Management
7 7 (35.00%) SQL
7 7 (35.00%) SDLC
8 6 (30.00%) SDET
8 6 (30.00%) Apache Spark
8 6 (30.00%) Mentoring
8 6 (30.00%) Coaching
8 6 (30.00%) Hadoop
8 6 (30.00%) Test Automation

JRuby
Co-occurring 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 6 (30.00%) Apache Spark
Cloud Services
1 3 (15.00%) Amazon AWS
Communications & Networking
1 1 (5.00%) LDAP
Database & Business Intelligence
1 9 (45.00%) NoSQL
2 6 (30.00%) Big Data
2 6 (30.00%) Hadoop
3 2 (10.00%) MySQL
4 1 (5.00%) MongoDB
4 1 (5.00%) SQL Server
Development Applications
1 1 (5.00%) Git (software)
1 1 (5.00%) JIRA
1 1 (5.00%) Subversion
General
1 2 (10.00%) Finance
Job Titles
1 12 (60.00%) Developer
1 12 (60.00%) Senior Developer
2 11 (55.00%) Java Developer
2 11 (55.00%) Senior Java Developer
3 9 (45.00%) Agile Developer
3 9 (45.00%) Agile Java Developer
3 9 (45.00%) Senior Agile Developer
3 9 (45.00%) Senior Agile Java Developer
4 6 (30.00%) Automation Tester
4 6 (30.00%) Tester
5 1 (5.00%) Administrator
5 1 (5.00%) AWS Engineer
5 1 (5.00%) AWS Software Engineer
5 1 (5.00%) Java Engineer
5 1 (5.00%) Java Software Engineer
5 1 (5.00%) Linux Administrator
5 1 (5.00%) Linux Systems Administrator
5 1 (5.00%) Senior Software Developer
5 1 (5.00%) Software Engineer
5 1 (5.00%) Systems Administrator
Libraries, Frameworks & Software Standards
1 10 (50.00%) REST
1 10 (50.00%) Spring
2 9 (45.00%) Apache Camel
2 9 (45.00%) Node.js
2 9 (45.00%) React
2 9 (45.00%) Spring Integration
3 6 (30.00%) Kafka
4 3 (15.00%) CSS
5 2 (10.00%) AngularJS
5 2 (10.00%) CSS3
5 2 (10.00%) Grails
5 2 (10.00%) HTML
5 2 (10.00%) HTML5
5 2 (10.00%) jQuery
5 2 (10.00%) RabbitMQ
5 2 (10.00%) YUI
6 1 (5.00%) Dropwizard
6 1 (5.00%) RESTful
6 1 (5.00%) Ruby on Rails
Miscellaneous
1 2 (10.00%) Analytical Skills
2 1 (5.00%) Linux Command Line
Operating Systems
1 2 (10.00%) Linux
2 1 (5.00%) Mac OS X
Processes & Methodologies
1 18 (90.00%) Agile Software Development
2 15 (75.00%) Continuous Delivery
3 12 (60.00%) TDD
4 10 (50.00%) Continuous Integration
4 10 (50.00%) DevOps
4 10 (50.00%) MVC
4 10 (50.00%) Open Source
4 10 (50.00%) Pair Programming
5 9 (45.00%) Configuration Management
5 9 (45.00%) Microservices
5 9 (45.00%) Unit Testing
6 7 (35.00%) SDLC
7 6 (30.00%) Coaching
7 6 (30.00%) Mentoring
7 6 (30.00%) SDET
7 6 (30.00%) Test Automation
8 2 (10.00%) Scrum
9 1 (5.00%) B2B
9 1 (5.00%) Responsive Web Design
9 1 (5.00%) Software Engineering
Programming Languages
1 18 (90.00%) Java
1 18 (90.00%) Scala
2 13 (65.00%) JavaScript
3 12 (60.00%) Groovy
4 7 (35.00%) SQL
5 2 (10.00%) Clojure
5 2 (10.00%) Jython
5 2 (10.00%) Python
6 1 (5.00%) CoffeeScript
6 1 (5.00%) Elixir
6 1 (5.00%) ES6
6 1 (5.00%) PL/SQL
6 1 (5.00%) Ruby
Qualifications
1 2 (10.00%) Security Cleared
2 1 (5.00%) Degree
2 1 (5.00%) SC Cleared
System Software
1 1 (5.00%) Docker
1 1 (5.00%) Shibboleth
Systems Management
1 1 (5.00%) Kubernetes
1 1 (5.00%) Puppet
Vendors
1 1 (5.00%) Microsoft