Period
to 21 November 2017

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 6 months to 21 November 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)
Central London > City of London
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 235 203 219
Rank change year-on-year -32 +16 +45
Contract jobs citing Ruby on Rails 17 46 44
As % of all contract IT jobs advertised in the City of London 0.24% 0.69% 0.49%
As % of the Libraries, Frameworks & Software Standards category 0.63% 1.93% 1.56%
Number of daily rates quoted 12 41 41
City of London median daily rate £488 £430 £500
Median daily rate % change year-on-year +13.37% -14.00% +21.14%
10th Percentile £374 £363 £338
90th Percentile £542 £525 £638
Central London median daily rate £500 £428 £475
% change year-on-year +16.96% -10.00% +5.56%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

Ruby on Rails is in the Software Libraries and Frameworks category. The following 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 technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
City of London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 2712 2386 2817
As % of all contract IT jobs advertised in the City of London 37.92% 35.86% 31.09%
Number of daily rates quoted 2275 2018 2325
City of London median daily rate £513 £475 £475
Median daily rate % change year-on-year +7.89% - +5.56%
10th Percentile £363 £325 £313
90th Percentile £675 £638 £638
Central London median daily rate £500 £475 £465
% change year-on-year +5.26% +2.15% +9.41%
Number of hourly rates quoted 10 4 14
City of London median hourly rate £22.99 £35.00 £38.75
Median hourly rate % change year-on-year -34.31% -9.68% +29.17%
10th Percentile £20.28 £19.00 £12.40
90th Percentile £33.75 £56.31 £66.25
Central London median hourly rate £21.50 £35.00 £38.75
% change year-on-year -38.57% -9.68% +29.17%

Ruby on Rails
Job Vacancy Trend in the City of London

Job postings citing Ruby on Rails as a percentage of all IT jobs advertised in the City of London.

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 6 months to 21 November 2017.

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

For the 6 months to 21 November 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 16 (94.12%) Ruby
2 10 (58.82%) Agile Software Development
3 8 (47.06%) TDD
3 8 (47.06%) JavaScript
4 7 (41.18%) AngularJS
5 6 (35.29%) CSS
6 5 (29.41%) MySQL
6 5 (29.41%) HTML
6 5 (29.41%) Python
6 5 (29.41%) Amazon AWS
6 5 (29.41%) Software Engineering
6 5 (29.41%) Open Source
7 4 (23.53%) HTML5
7 4 (23.53%) JIRA
7 4 (23.53%) RSpec
7 4 (23.53%) jQuery
7 4 (23.53%) Linux
7 4 (23.53%) Apache
8 3 (17.65%) E-Commerce
8 3 (17.65%) Java
8 3 (17.65%) PHP
8 3 (17.65%) Amazon EC2
8 3 (17.65%) Amazon S3
8 3 (17.65%) Git (software)
8 3 (17.65%) RESTful
8 3 (17.65%) Selenium
8 3 (17.65%) Apache Cassandra
8 3 (17.65%) Amazon SQS
8 3 (17.65%) Route 53
8 3 (17.65%) Elasticsearch

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 4 (23.53%) Apache
2 3 (17.65%) Elasticsearch
3 2 (11.76%) CMS
3 2 (11.76%) Jetty
3 2 (11.76%) nginx
Business Applications
1 2 (11.76%) Shopify
Cloud Services
1 5 (29.41%) Amazon AWS
2 3 (17.65%) Amazon EC2
2 3 (17.65%) Amazon S3
2 3 (17.65%) Amazon SQS
2 3 (17.65%) Route 53
3 2 (11.76%) Amazon CloudWatch
3 2 (11.76%) AWS CloudFormation
3 2 (11.76%) AWS CloudTrail
3 2 (11.76%) GitHub
3 2 (11.76%) Virtual Private Cloud
4 1 (5.88%) AWS Lambda
4 1 (5.88%) MailChimp
4 1 (5.88%) SaaS
4 1 (5.88%) Serverless
Communications & Networking
1 2 (11.76%) Firewall
1 2 (11.76%) HTTP
1 2 (11.76%) LDAP
1 2 (11.76%) Network Security
1 2 (11.76%) ZigBee
Database & Business Intelligence
1 5 (29.41%) MySQL
2 3 (17.65%) Apache Cassandra
3 2 (11.76%) Amazon RDS
3 2 (11.76%) Hazelcast
3 2 (11.76%) MongoDB
3 2 (11.76%) Redis
4 1 (5.88%) CouchDB
4 1 (5.88%) PostgreSQL
Development Applications
1 4 (23.53%) JIRA
1 4 (23.53%) RSpec
2 3 (17.65%) Git (software)
2 3 (17.65%) Selenium
3 2 (11.76%) Artifactory
3 2 (11.76%) Jenkins
3 2 (11.76%) Karma Test Runner
3 2 (11.76%) Maven
3 2 (11.76%) Mocha
3 2 (11.76%) Subversion
3 2 (11.76%) TeamCity
3 2 (11.76%) Vagrant
3 2 (11.76%) webpack
4 1 (5.88%) Appium
4 1 (5.88%) Capybara
4 1 (5.88%) CircleCI
4 1 (5.88%) Cucumber
4 1 (5.88%) WATIR
4 1 (5.88%) WebDriver
General
1 2 (11.76%) Finance
1 2 (11.76%) Marketing
Job Titles
1 13 (76.47%) Developer
2 7 (41.18%) Ruby on Rails Developer
3 3 (17.65%) JavaScript Developer
4 2 (11.76%) AWS Developer
4 2 (11.76%) DevOps Engineer
4 2 (11.76%) Front End Developer (Client-Side Developer)
4 2 (11.76%) Ruby Developer
5 1 (5.88%) Agile Developer
5 1 (5.88%) Angular Developer
5 1 (5.88%) Applications Developer
5 1 (5.88%) Automation Engineer
5 1 (5.88%) AWS Engineer
5 1 (5.88%) DevOps Developer
5 1 (5.88%) JavaScript Engineer
5 1 (5.88%) QA Automation Engineer
5 1 (5.88%) QA Engineer
5 1 (5.88%) Senior Agile Developer
5 1 (5.88%) Senior Developer
5 1 (5.88%) Senior JavaScript Developer
5 1 (5.88%) Senior Ruby on Rails Developer
Libraries, Frameworks & Software Standards
1 7 (41.18%) AngularJS
2 6 (35.29%) CSS
3 5 (29.41%) HTML
4 4 (23.53%) HTML5
4 4 (23.53%) jQuery
5 3 (17.65%) React
5 3 (17.65%) RESTful
6 2 (11.76%) Angular 2
6 2 (11.76%) CSS3
6 2 (11.76%) Django
6 2 (11.76%) Elastic Stack
6 2 (11.76%) Flask
6 2 (11.76%) LAMP
6 2 (11.76%) Laravel
6 2 (11.76%) OAuth
6 2 (11.76%) RabbitMQ
6 2 (11.76%) REST
6 2 (11.76%) Spring
6 2 (11.76%) Vue (Vue.js)
6 2 (11.76%) Web Services
Miscellaneous
1 2 (11.76%) Analytical Skills
1 2 (11.76%) Linux Command Line
2 1 (5.88%) Mobile App
2 1 (5.88%) NHS
2 1 (5.88%) User Experience
Operating Systems
1 4 (23.53%) Linux
2 2 (11.76%) Debian
2 2 (11.76%) Ubuntu
2 2 (11.76%) Unix
Processes & Methodologies
1 10 (58.82%) Agile Software Development
2 8 (47.06%) TDD
3 5 (29.41%) Open Source
3 5 (29.41%) Software Engineering
4 3 (17.65%) DevOps
4 3 (17.65%) E-Commerce
5 2 (11.76%) API Design
5 2 (11.76%) API Integration
5 2 (11.76%) BDD
5 2 (11.76%) Configuration Management
5 2 (11.76%) Front End Development
5 2 (11.76%) Information Security
5 2 (11.76%) Microservices
5 2 (11.76%) Responsive Web Design
5 2 (11.76%) Security Operations
5 2 (11.76%) Test Automation
5 2 (11.76%) Threat Modelling
5 2 (11.76%) Web Development
6 1 (5.88%) Code Optimisation
6 1 (5.88%) Creative Thinking
Programming Languages
1 16 (94.12%) Ruby
2 8 (47.06%) JavaScript
3 5 (29.41%) Python
4 3 (17.65%) Java
4 3 (17.65%) PHP
5 2 (11.76%) Bash Shell
5 2 (11.76%) ES6
5 2 (11.76%) TypeScript
6 1 (5.88%) C#
6 1 (5.88%) Clojure
6 1 (5.88%) Erlang
6 1 (5.88%) F#
6 1 (5.88%) Objective-C
6 1 (5.88%) Scala
6 1 (5.88%) SQL
Quality Assurance & Compliance
1 1 (5.88%) QA
System Software
1 2 (11.76%) Apache ZooKeeper
1 2 (11.76%) Docker
1 2 (11.76%) Firmware
1 2 (11.76%) VirtualBox
Systems Management
1 2 (11.76%) Ansible
1 2 (11.76%) Grafana
1 2 (11.76%) HAProxy
1 2 (11.76%) Kibana
1 2 (11.76%) logstash
1 2 (11.76%) Nagios
1 2 (11.76%) Packer
1 2 (11.76%) Puppet
2 1 (5.88%) Opscode Chef
2 1 (5.88%) Terraform
Vendors
1 2 (11.76%) Apiary
1 2 (11.76%) New Relic
2 1 (5.88%) Google
2 1 (5.88%) Oracle
2 1 (5.88%) Salesforce.com
2 1 (5.88%) Twitter
2 1 (5.88%) Xamarin