The following table provides summary statistics for permanent job vacancies with a requirement for RubyGems skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited RubyGems over the 3 months to 26 June 2017 with a comparison to the same period in the previous 2 years.

RubyGems
UK
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 858 922 975
Rank change year-on-year +64 +53  
Permanent jobs citing RubyGems 16 11 9
As % of all permanent IT jobs advertised in the UK 0.018% 0.011% 0.008%
As % of the Development Applications category 0.085% 0.063% 0.048%
Number of salaries quoted 16 11 9
Median salary £55,000 £55,000 £55,000
UK excluding London median salary £60,000 - £55,000

RubyGems is in the development application skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for development application skills.

Development Application Skills
UK
Permanent job vacancies with a requirement for development application skills 18718 17536 18604
As % of all permanent IT job vacancies advertised in the UK 20.93% 18.06% 16.78%
Number of salaries quoted 15451 15210 15614
Median salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26%  
90% offered a salary of more than £35,000 £33,500 £32,500
10% offered a salary of more than £72,500 £65,500 £70,000
UK excluding London median salary £45,000 £42,500 £42,000
% change year-on-year +5.88% +1.19%  

RubyGems
Job Vacancy Trend

The job posting trend of jobs advertised citing RubyGems as a proportion of all permanent or contract IT jobs with a match in the Development Applications category.

Job vacancy trend for RubyGems in the UK

RubyGems
Salary Trend

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

Salary trend for RubyGems in the UK

RubyGems
Salary Histogram

The salary distribution of IT jobs citing RubyGems over the 3 months to 26 June 2017.

Salary histogram for RubyGems in the UK

RubyGems
Top 5 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing RubyGems within the UK over the 3 months to 26 June 2017. 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 Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +43 16 £55,000 -
London +27 13 £55,000 -
Hammersmith - 9 £55,000 -
Bristol - 3 £60,000 -
South West - 3 £60,000 -

For the 6 months to 26 June 2017, IT jobs citing RubyGems 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 RubyGems.

1 35 (97.22%) Git (software)
2 32 (88.89%) Ruby
3 23 (63.89%) RSpec
4 22 (61.11%) JIRA
5 19 (52.78%) Selenium
5 19 (52.78%) Atlassian
5 19 (52.78%) Scrum
5 19 (52.78%) WebDriver
5 19 (52.78%) Confluence
5 19 (52.78%) Cucumber
5 19 (52.78%) Test Automation
5 19 (52.78%) TeamCity
5 19 (52.78%) Capybara
6 13 (36.11%) Ruby on Rails
7 11 (30.56%) JSON
7 11 (30.56%) AngularJS
8 10 (27.78%) XML
9 8 (22.22%) Agile Software Development
10 7 (19.44%) Subversion
10 7 (19.44%) JavaScript
10 7 (19.44%) MySQL
10 7 (19.44%) Amazon AWS
10 7 (19.44%) Sinatra
10 7 (19.44%) Active Record
11 6 (16.67%) SQL
11 6 (16.67%) TDD
11 6 (16.67%) Bundler
12 5 (13.89%) C++
12 5 (13.89%) CoffeeScript
12 5 (13.89%) RESTful

RubyGems
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 19 (52.78%) Confluence
Cloud Services
1 7 (19.44%) Amazon AWS
2 4 (11.11%) IaaS
2 4 (11.11%) Microsoft Azure
2 4 (11.11%) PaaS
3 1 (2.78%) Heroku
Communications & Networking
1 3 (8.33%) Network Security
1 3 (8.33%) TCP/IP
Database & Business Intelligence
1 7 (19.44%) MySQL
2 3 (8.33%) Redis
Development Applications
1 35 (97.22%) Git (software)
2 23 (63.89%) RSpec
3 22 (61.11%) JIRA
4 19 (52.78%) Capybara
4 19 (52.78%) Cucumber
4 19 (52.78%) Selenium
4 19 (52.78%) TeamCity
4 19 (52.78%) WebDriver
5 7 (19.44%) Subversion
6 6 (16.67%) Bundler
7 4 (11.11%) Artifactory
7 4 (11.11%) Atlassian Bamboo
7 4 (11.11%) Bower
7 4 (11.11%) Grunt
7 4 (11.11%) Jenkins
7 4 (11.11%) MSBuild
7 4 (11.11%) Sonatype Nexus
7 4 (11.11%) Team Foundation Server
7 4 (11.11%) Vagrant
7 4 (11.11%) Visual Studio Team System
General
1 2 (5.56%) Marketing
Job Titles
1 15 (41.67%) Automation Engineer
2 13 (36.11%) Developer
3 12 (33.33%) Ruby Developer
4 6 (16.67%) Senior Developer
5 5 (13.89%) Senior Ruby Developer
6 4 (11.11%) Automation Tester
6 4 (11.11%) Tester
7 3 (8.33%) DevOps Engineer
8 2 (5.56%) Build Engineer
8 2 (5.56%) Deployment Engineer
8 2 (5.56%) Ruby on Rails Developer
8 2 (5.56%) Senior Ruby on Rails Developer
9 1 (2.78%) Cloud Engineer
9 1 (2.78%) Senior SQL Developer
9 1 (2.78%) SQL Developer
9 1 (2.78%) Windows Deployment Engineer
9 1 (2.78%) Windows DevOps Engineer
9 1 (2.78%) Windows Engineer
Libraries, Frameworks & Software Standards
1 13 (36.11%) Ruby on Rails
2 11 (30.56%) AngularJS
2 11 (30.56%) JSON
3 10 (27.78%) XML
4 7 (19.44%) Sinatra
5 5 (13.89%) RESTful
6 4 (11.11%) .NET
6 4 (11.11%) React
7 1 (2.78%) Backbone.js
7 1 (2.78%) CSS
7 1 (2.78%) CSS3
7 1 (2.78%) Haml
7 1 (2.78%) Sass
7 1 (2.78%) Web Services
Miscellaneous
1 1 (2.78%) Greenfield Project
Operating Systems
1 5 (13.89%) Android
2 4 (11.11%) Windows
2 4 (11.11%) Windows Server
2 4 (11.11%) Windows Server 2008
2 4 (11.11%) Windows Server 2012
3 3 (8.33%) Apple iOS
3 3 (8.33%) Linux
3 3 (8.33%) SUSE
Processes & Methodologies
1 19 (52.78%) Scrum
1 19 (52.78%) Test Automation
2 8 (22.22%) Agile Software Development
3 7 (19.44%) Active Record
4 6 (16.67%) TDD
5 4 (11.11%) Dependency Injection
5 4 (11.11%) Inversion of Control
5 4 (11.11%) Microservices
6 3 (8.33%) Configuration Management
6 3 (8.33%) Continuous Integration
6 3 (8.33%) DevOps
6 3 (8.33%) Server Building
6 3 (8.33%) Workflow
7 1 (2.78%) BDD
7 1 (2.78%) Business Intelligence
7 1 (2.78%) Project Management
7 1 (2.78%) Release Automation
Programming Languages
1 32 (88.89%) Ruby
2 7 (19.44%) JavaScript
3 6 (16.67%) SQL
4 5 (13.89%) C++
4 5 (13.89%) CoffeeScript
5 4 (11.11%) C#
6 3 (8.33%) PowerShell
System Software
1 4 (11.11%) Docker
1 4 (11.11%) Hyper-V
1 4 (11.11%) VirtualBox
1 4 (11.11%) VMware Infrastructure
Systems Management
1 4 (11.11%) Ansible
1 4 (11.11%) Marathon
1 4 (11.11%) Mesos
1 4 (11.11%) Opscode Chef
1 4 (11.11%) Terraform
Vendors
1 19 (52.78%) Atlassian
2 4 (11.11%) VMware
3 3 (8.33%) CA Agile Central
3 3 (8.33%) Microsoft