The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Ruby on Rails skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Ruby on Rails over the 3 months to 26 June 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Ruby on Rails (RoR)
London / City of London
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 159 119 175
Rank change year-on-year -40 +56  
Contract jobs citing Ruby on Rails 10 46 31
As % of all contract IT jobs advertised in the City of London 0.30% 1.38% 0.53%
As % of the Libraries, Frameworks & Software Standards category 0.80% 3.97% 1.79%
Number of daily rates quoted 8 38 25
Median daily rate £413 £438 £375
Median daily rate % change year-on-year -5.71% +16.66%  
UK excluding London median daily rate £450 £400 £400
% change year-on-year +12.50% -  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £10.00 -

Ruby on Rails is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
City of London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 1253 1159 1729
As % of all contract IT job vacancies advertised in the City of London 37.76% 34.86% 29.77%
Number of daily rates quoted 1023 998 1394
Median daily rate £500 £450 £425
Median daily rate % change year-on-year +11.00% +5.88%  
90% offered a daily rate of more than £363 £325 £320
10% offered a daily rate of more than £625 £575 £600
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 5 1 11
Median hourly rate £24.36 £20.00 £24.23
Median hourly rate % change year-on-year +21.80% -17.45%  
90% offered a hourly rate of more than £21.50 £20.00 £15.64
10% offered a hourly rate of more than £24.86 £20.00 £187.50
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

Ruby on Rails
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Ruby on Rails as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for Ruby on Rails in the City of London

Ruby on Rails
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Ruby on Rails in the City of London.

Contractor daily rate trend for Ruby on Rails in the City of London

Ruby on Rails
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Ruby on Rails in the City of London over the 3 months to 26 June 2017.

Contractor daily rate histogram for Ruby on Rails in the City of London

For the 6 months to 26 June 2017, IT contractor jobs citing Ruby on Rails 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 City of London region with a requirement for Ruby on Rails.

1 19 (100.00%) Ruby
2 12 (63.16%) Agile Software Development
3 11 (57.89%) JavaScript
4 9 (47.37%) TDD
5 8 (42.11%) HTML
5 8 (42.11%) CSS
6 7 (36.84%) Finance
7 6 (31.58%) BDD
8 5 (26.32%) Amazon AWS
8 5 (26.32%) jQuery
8 5 (26.32%) Degree
9 4 (21.05%) Computer Science
9 4 (21.05%) Java
9 4 (21.05%) MySQL
9 4 (21.05%) Test Automation
9 4 (21.05%) HTML5
9 4 (21.05%) AngularJS
9 4 (21.05%) Docker
9 4 (21.05%) Computer Science Degree
10 3 (15.79%) Redux
10 3 (15.79%) React Native
10 3 (15.79%) Microservices
10 3 (15.79%) REST
10 3 (15.79%) CSS3
10 3 (15.79%) Elasticsearch
10 3 (15.79%) Software Engineering
10 3 (15.79%) Web Development
10 3 (15.79%) E-Commerce
11 2 (10.53%) Code Coverage
11 2 (10.53%) SQL

Ruby on Rails
Co-occurring IT Skills in the City of 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 (15.79%) Elasticsearch
Cloud Services
1 5 (26.32%) Amazon AWS
2 2 (10.53%) AWS Lambda
3 1 (5.26%) Amazon SQS
3 1 (5.26%) MailChimp
3 1 (5.26%) SaaS
Database & Business Intelligence
1 4 (21.05%) MySQL
2 2 (10.53%) MongoDB
3 1 (5.26%) Apache Cassandra
3 1 (5.26%) CouchDB
3 1 (5.26%) Redis
3 1 (5.26%) Riak
Development Applications
1 2 (10.53%) Git (software)
1 2 (10.53%) RSpec
1 2 (10.53%) Selenium
2 1 (5.26%) Ant
2 1 (5.26%) Calabash
2 1 (5.26%) Capybara
2 1 (5.26%) CircleCI
2 1 (5.26%) Cucumber
2 1 (5.26%) Grunt
2 1 (5.26%) gulp
2 1 (5.26%) Jasmine
2 1 (5.26%) Maven
2 1 (5.26%) Mocha
General
1 7 (36.84%) Finance
2 2 (10.53%) Marketing
3 1 (5.26%) Banking
3 1 (5.26%) Investment Banking
Job Titles
1 15 (78.95%) Developer
2 8 (42.11%) Ruby Developer
3 3 (15.79%) Ruby on Rails Developer
4 2 (10.53%) AWS Developer
4 2 (10.53%) Ruby Engineer
5 1 (5.26%) Angular Developer
5 1 (5.26%) Applications Developer
5 1 (5.26%) Automation Tester
5 1 (5.26%) DevOps Developer
5 1 (5.26%) Full Stack Developer
5 1 (5.26%) Mobile Tester
5 1 (5.26%) Senior Developer
5 1 (5.26%) Senior Ruby Developer
5 1 (5.26%) Tester
5 1 (5.26%) UI Developer
Libraries, Frameworks & Software Standards
1 8 (42.11%) CSS
1 8 (42.11%) HTML
2 5 (26.32%) jQuery
3 4 (21.05%) AngularJS
3 4 (21.05%) HTML5
4 3 (15.79%) CSS3
4 3 (15.79%) React Native
4 3 (15.79%) Redux
4 3 (15.79%) REST
5 2 (10.53%) Node.js
5 2 (10.53%) React
6 1 (5.26%) Backbone.js
6 1 (5.26%) Browserify
6 1 (5.26%) Chai
6 1 (5.26%) Ember.js
6 1 (5.26%) Handlebars
6 1 (5.26%) Marionette.js
6 1 (5.26%) Polymer
6 1 (5.26%) RequireJS
6 1 (5.26%) Sidekiq
Miscellaneous
1 4 (21.05%) Computer Science
2 1 (5.26%) Client/Server
2 1 (5.26%) Fintech
Operating Systems
1 2 (10.53%) Android
1 2 (10.53%) Apple iOS
2 1 (5.26%) Linux
2 1 (5.26%) Windows
Processes & Methodologies
1 12 (63.16%) Agile Software Development
2 9 (47.37%) TDD
3 6 (31.58%) BDD
4 4 (21.05%) Test Automation
5 3 (15.79%) E-Commerce
5 3 (15.79%) Microservices
5 3 (15.79%) Software Engineering
5 3 (15.79%) Web Development
6 2 (10.53%) Code Coverage
7 1 (5.26%) Android Development
7 1 (5.26%) Continuous Delivery
7 1 (5.26%) Continuous Integration
7 1 (5.26%) Data Management
7 1 (5.26%) iOS Development
7 1 (5.26%) Manual Testing
7 1 (5.26%) MVC
7 1 (5.26%) Open Source
7 1 (5.26%) Performance Tuning
7 1 (5.26%) SEO
7 1 (5.26%) Unit Testing
Programming Languages
1 19 (100.00%) Ruby
2 11 (57.89%) JavaScript
3 4 (21.05%) Java
4 2 (10.53%) Clojure
4 2 (10.53%) SQL
5 1 (5.26%) C#
5 1 (5.26%) Elixir
5 1 (5.26%) Erlang
5 1 (5.26%) F#
5 1 (5.26%) GraphQL
5 1 (5.26%) Objective-C
5 1 (5.26%) PHP
5 1 (5.26%) Python
5 1 (5.26%) Scala
Qualifications
1 5 (26.32%) Degree
2 4 (21.05%) Computer Science Degree
Quality Assurance & Compliance
1 1 (5.26%) QA
System Software
1 4 (21.05%) Docker
Systems Management
1 1 (5.26%) Opscode Chef
1 1 (5.26%) Terraform
Vendors
1 1 (5.26%) Twitter
City, London
Premier IT
Rate: £400 - £450 per day
Posted: 3 days ago
City, London
ANSON MCCADE
Rate: £450 - £600 (DOE)
Posted: 4 days ago
City, London
ANSON MCCADE
Rate: £500 - £650
Posted: 6 days ago