The following table provides summary statistics for contract job vacancies advertised in 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 23 March 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.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
Ruby on Rails (RoR)
England / London
Rank 276 316 279
Rank change year-on-year +40 -37  
Contract jobs citing Ruby on Rails 127 104 130
As % of all contract IT jobs advertised in London 0.66% 0.47% 0.62%
As % of the Libraries, Frameworks & Software Standards category 1.90% 1.49% 2.06%
Number of daily rates quoted 111 88 99
Median daily rate £438 £425 £450
Median daily rate % change year-on-year +2.94% -5.55%  
90% offered a daily rate of more than £375 £324 £325
10% offered a daily rate of more than £530 £600 £550
UK excluding London median daily rate £450 £360 £388
% change year-on-year +25.00% -7.09%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £9.00 £71.00
% change year-on-year - -87.32%  

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 London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 6686 6989 6301
As % of all contract IT job vacancies advertised in London 34.81% 31.78% 30.16%
Number of daily rates quoted 4978 5229 4550
Median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.55% +5.88%  
90% offered a daily rate of more than £345 £325 £313
10% offered a daily rate of more than £613 £600 £575
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 46 30 27
Median hourly rate £47.50 £48.92 £27.37
Median hourly rate % change year-on-year -2.89% +78.71%  
90% offered a hourly rate of more than £17.35 £22.00 £20.00
10% offered a hourly rate of more than £100.00 £55.00 £55.00
UK excluding London median hourly rate £40.00 £38.00 £36.00
% change year-on-year +5.26% +5.55%  

Ruby on Rails
Job Vacancy Trend in London

The job posting trend of jobs advertised in 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 London

Ruby on Rails
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Ruby on Rails in London

Ruby on Rails
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Ruby on Rails in London over the 3 months to 23 March 2017.

Contractor daily rate histogram for Ruby on Rails in London

Ruby on Rails
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing Ruby on Rails in London.

Contractor hourly rate trend for Ruby on Rails in London

Ruby on Rails
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 Ruby on Rails within the London region over the 3 months to 23 March 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
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 +8 9 £413 +6.45% 17
Croydon - 2 £500 -
Ruby on Rails
England

Ruby on Rails
Top 30 Related IT Skills in London

For the 6 months to 23 March 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 London region with a requirement for Ruby on Rails.

1 264 (99.62%) Ruby
2 160 (60.38%) JavaScript
3 136 (51.32%) HTML
4 134 (50.57%) Agile Software Development
5 131 (49.43%) CSS
6 85 (32.08%) TDD
7 83 (31.32%) HTML5
8 67 (25.28%) Git (software)
9 65 (24.53%) Java
10 54 (20.38%) CSS3
11 52 (19.62%) OO
12 51 (19.25%) Docker
13 50 (18.87%) BDD
14 45 (16.98%) Sass
14 45 (16.98%) jQuery
15 41 (15.47%) MySQL
16 40 (15.09%) Web Development
16 40 (15.09%) RSpec
17 39 (14.72%) Amazon AWS
18 38 (14.34%) REST
18 38 (14.34%) PostgreSQL
19 34 (12.83%) Games
20 33 (12.45%) AngularJS
21 30 (11.32%) Automated Testing
22 28 (10.57%) React
23 26 (9.81%) Front End Development
23 26 (9.81%) Scrum
23 26 (9.81%) SQL
24 25 (9.43%) Python
24 25 (9.43%) GitHub

Ruby on Rails
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 15 (5.66%) Elasticsearch
2 7 (2.64%) CMS
2 7 (2.64%) Confluence
2 7 (2.64%) Tomcat
3 6 (2.26%) Apache
3 6 (2.26%) OpenStack
4 3 (1.13%) Drupal
5 2 (0.75%) Apache Pig
5 2 (0.75%) Apache Solr
6 1 (0.38%) Apache Spark
6 1 (0.38%) IIS
6 1 (0.38%) JBoss
Business Applications
1 4 (1.51%) SAP Business One
2 2 (0.75%) SAP Oil and Gas
Cloud Services
1 39 (14.72%) Amazon AWS
2 25 (9.43%) GitHub
2 25 (9.43%) Heroku
3 6 (2.26%) Google Analytics
4 4 (1.51%) Google Cloud Platform
5 3 (1.13%) Amazon EC2
5 3 (1.13%) Microsoft Azure
6 2 (0.75%) Amazon Kinesis
6 2 (0.75%) Amazon SQS
6 2 (0.75%) AWS CloudFormation
6 2 (0.75%) AWS Lambda
6 2 (0.75%) SaaS
6 2 (0.75%) Virtual Private Cloud
7 1 (0.38%) Amazon CloudWatch
7 1 (0.38%) Amazon ELB
7 1 (0.38%) Amazon S3
Communications & Networking
1 13 (4.91%) HTTP
1 13 (4.91%) Internet
2 4 (1.51%) Network Security
3 2 (0.75%) Broadband
3 2 (0.75%) SSL
4 1 (0.38%) Firewall
4 1 (0.38%) Kerberos
4 1 (0.38%) LDAP
Database & Business Intelligence
1 41 (15.47%) MySQL
2 38 (14.34%) PostgreSQL
3 15 (5.66%) MongoDB
4 14 (5.28%) NoSQL
5 11 (4.15%) Relational Database
6 8 (3.02%) Apache Cassandra
6 8 (3.02%) Big Data
7 6 (2.26%) Redis
8 5 (1.89%) Amazon Redshift
8 5 (1.89%) Hadoop
9 4 (1.51%) SQL Server
10 3 (1.13%) BigQuery
10 3 (1.13%) QlikView
10 3 (1.13%) RDBMS
11 2 (0.75%) Amazon DynamoDB
11 2 (0.75%) HBase
11 2 (0.75%) Presto
11 2 (0.75%) SimpleDB
11 2 (0.75%) SQLite
12 1 (0.38%) CouchDB
Development Applications
1 67 (25.28%) Git (software)
2 40 (15.09%) RSpec
3 20 (7.55%) Cucumber
4 16 (6.04%) Jenkins
4 16 (6.04%) Subversion
5 14 (5.28%) JIRA
6 12 (4.53%) Vagrant
7 6 (2.26%) Travis CI
8 5 (1.89%) Bundler
8 5 (1.89%) JUnit
8 5 (1.89%) Selenium
9 4 (1.51%) Gradle
9 4 (1.51%) Mercurial
10 3 (1.13%) Capybara
10 3 (1.13%) Eclipse
10 3 (1.13%) Grunt
10 3 (1.13%) Maven
11 2 (0.75%) Bitbucket
11 2 (0.75%) Calabash
11 2 (0.75%) GitLab
General
1 34 (12.83%) Games
2 22 (8.30%) Back Office
2 22 (8.30%) Marketing
3 17 (6.42%) Finance
4 8 (3.02%) Publishing
5 3 (1.13%) Banking
6 2 (0.75%) Electronics
6 2 (0.75%) Front Office
6 2 (0.75%) Manufacturing
6 2 (0.75%) Telecoms
7 1 (0.38%) Investment Banking
7 1 (0.38%) Legal
7 1 (0.38%) Retail
Job Titles
1 215 (81.13%) Developer
2 115 (43.40%) Ruby on Rails Developer
3 98 (36.98%) Ruby Developer
4 23 (8.68%) Front End Developer (Client-Side Developer)
5 18 (6.79%) Full Stack Developer
5 18 (6.79%) Web Developer
6 17 (6.42%) Java Developer
7 16 (6.04%) JavaScript Developer
8 11 (4.15%) Games Developer
8 11 (4.15%) Senior Developer
9 10 (3.77%) Agile Developer
10 9 (3.40%) Architect
11 8 (3.02%) Agile Java Developer
11 8 (3.02%) Full Stack Web Developer
11 8 (3.02%) Senior Ruby Developer
12 7 (2.64%) AWS Developer
12 7 (2.64%) Java Games Developer
12 7 (2.64%) Java Software Developer
12 7 (2.64%) Ruby Engineer
13 6 (2.26%) HTML Developer
Libraries, Frameworks & Software Standards
1 136 (51.32%) HTML
2 131 (49.43%) CSS
3 83 (31.32%) HTML5
4 54 (20.38%) CSS3
5 45 (16.98%) jQuery
5 45 (16.98%) Sass
6 38 (14.34%) REST
7 33 (12.45%) AngularJS
8 28 (10.57%) React
9 25 (9.43%) Ajax
10 21 (7.92%) Web Services
11 20 (7.55%) JSON
12 17 (6.42%) Django
12 17 (6.42%) Node.js
12 17 (6.42%) Twitter Bootstrap
13 16 (6.04%) Ember.js
14 15 (5.66%) RESTful
15 12 (4.53%) Play Framework
16 11 (4.15%) Backbone.js
17 9 (3.40%) Spring
Miscellaneous
1 23 (8.68%) Analytical Skills
2 13 (4.91%) User Experience
3 9 (3.40%) Computer Science
4 8 (3.02%) Online Games
5 6 (2.26%) Fintech
5 6 (2.26%) Hybrid Cloud
6 5 (1.89%) Client/Server
7 4 (1.51%) Digital Media
7 4 (1.51%) Enterprise Software
7 4 (1.51%) Mobile App
7 4 (1.51%) Social Media
8 2 (0.75%) Algorithms
8 2 (0.75%) Linux Command Line
8 2 (0.75%) Taxonomies
9 1 (0.38%) e-Learning
9 1 (0.38%) Grid Computing
9 1 (0.38%) NHS
9 1 (0.38%) Public Cloud
9 1 (0.38%) Virtual Team
Operating Systems
1 22 (8.30%) Unix
2 18 (6.79%) Linux
3 5 (1.89%) Windows
4 3 (1.13%) Android
4 3 (1.13%) Apple iOS
5 2 (0.75%) Mac OS X
5 2 (0.75%) Solaris
5 2 (0.75%) SUSE
5 2 (0.75%) SUSE Linux Enterprise Server
6 1 (0.38%) Red Hat Enterprise Linux
Processes & Methodologies
1 134 (50.57%) Agile Software Development
2 85 (32.08%) TDD
3 52 (19.62%) OO
4 50 (18.87%) BDD
5 40 (15.09%) Web Development
6 30 (11.32%) Automated Testing
7 26 (9.81%) Front End Development
7 26 (9.81%) Scrum
8 25 (9.43%) Microservices
9 24 (9.06%) Continuous Integration
10 23 (8.68%) DevOps
11 17 (6.42%) Open Source
11 17 (6.42%) Software Engineering
12 15 (5.66%) Kanban
13 13 (4.91%) MVC
14 12 (4.53%) API Development
15 11 (4.15%) Configuration Management
15 11 (4.15%) E-Commerce
15 11 (4.15%) OOP
15 11 (4.15%) Unit Testing
Programming Languages
1 264 (99.62%) Ruby
2 160 (60.38%) JavaScript
3 65 (24.53%) Java
4 26 (9.81%) SQL
5 25 (9.43%) Python
6 19 (7.17%) Go
7 12 (4.53%) PHP
7 12 (4.53%) Scala
8 6 (2.26%) Bash Shell
8 6 (2.26%) C++
9 5 (1.89%) C#
9 5 (1.89%) Perl
10 4 (1.51%) CoffeeScript
11 3 (1.13%) Elixir
11 3 (1.13%) R
12 2 (0.75%) C
12 2 (0.75%) Clojure
12 2 (0.75%) Erlang
12 2 (0.75%) ES6
13 1 (0.38%) T-SQL
Qualifications
1 12 (4.53%) Degree
2 4 (1.51%) Security Cleared
3 2 (0.75%) SC Cleared
4 1 (0.38%) AWS Certification
4 1 (0.38%) CTC Cleared
Quality Assurance & Compliance
1 8 (3.02%) QA
2 2 (0.75%) Disclosure Scotland
System Software
1 51 (19.25%) Docker
2 7 (2.64%) Virtual Machines
3 2 (0.75%) NFS
3 2 (0.75%) Squid
4 1 (0.38%) Active Directory
4 1 (0.38%) Apache Flume
4 1 (0.38%) HDFS
Systems Management
1 15 (5.66%) Opscode Chef
2 13 (4.91%) Puppet
3 10 (3.77%) Terraform
4 6 (2.26%) Ansible
5 2 (0.75%) Capistrano
5 2 (0.75%) Mesos
5 2 (0.75%) Pingdom
5 2 (0.75%) Salt
6 1 (0.38%) Kibana
6 1 (0.38%) logstash
Vendors
1 15 (5.66%) Apigee
2 13 (4.91%) Google
3 6 (2.26%) SAP
4 4 (1.51%) Facebook
4 4 (1.51%) Oracle
4 4 (1.51%) Salesforce.com
5 3 (1.13%) Tableau
6 2 (0.75%) Microsoft
6 2 (0.75%) Xamarin
7 1 (0.38%) Hortonworks
7 1 (0.38%) Informatica
7 1 (0.38%) Red Hat
7 1 (0.38%) SaltStack
7 1 (0.38%) Teradata
7 1 (0.38%) VMware
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