The following table provides summary statistics for contract job vacancies advertised in Cambridge with a requirement for Ruby skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Ruby over the 3 months to 30 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.

Ruby
Cambridgeshire / Cambridge
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 36 37 31
Rank change year-on-year +1 -6  
Contract jobs citing Ruby 2 10 6
As % of all contract IT jobs advertised in Cambridge 0.63% 2.39% 1.85%
As % of the Programming Languages category 1.29% 6.17% 4.65%
Number of daily rates quoted 1 8 2
Median daily rate £350 £481 £379
Median daily rate % change year-on-year -27.27% +27.06%  
UK excluding London median daily rate £450 £430 £408
% change year-on-year +4.65% +5.52%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £9.00 -
UK excluding London median hourly rate £65.00 £23.25 £71.00
% change year-on-year +179.56% -67.25%  

Ruby is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Cambridge with a requirement for programming language skills.

Contract Programming Language Skills
Cambridge
Contract job vacancies with a requirement for programming language skills 155 162 129
As % of all contract IT job vacancies advertised in Cambridge 49.21% 38.76% 39.81%
Number of daily rates quoted 77 92 86
Median daily rate £400 £370 £338
Median daily rate % change year-on-year +8.10% +9.62%  
90% offered a daily rate of more than £290 £315 £225
10% offered a daily rate of more than £510 £488 £458
UK excluding London median daily rate £388 £375 £350
% change year-on-year +3.33% +7.14%  
Number of hourly rates quoted 19 20 8
Median hourly rate £42.50 £37.50 £36.00
Median hourly rate % change year-on-year +13.33% +4.16%  
90% offered a hourly rate of more than £33.15 £9.00 £8.50
10% offered a hourly rate of more than £50.00 £50.00 £42.25
UK excluding London median hourly rate £41.50 £40.00 £36.00
% change year-on-year +3.75% +11.11%  

Ruby
Job Vacancy Trend in Cambridge

The job posting trend of jobs advertised in Cambridge citing Ruby as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

Job vacancy trend for Ruby in Cambridge

Ruby
Contractor Daily Rate Trend in Cambridge

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

Contractor daily rate trend for Ruby in Cambridge

Ruby
Contractor Hourly Rate Trend in Cambridge

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

Contractor hourly rate trend for Ruby in Cambridge

For the 6 months to 30 March 2017, IT contractor jobs citing Ruby 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 Cambridge region with a requirement for Ruby.

1 6 (100.00%) Python
2 5 (83.33%) Java
2 5 (83.33%) C#
3 4 (66.67%) Unix
3 4 (66.67%) Linux
3 4 (66.67%) JavaScript
3 4 (66.67%) PHP
3 4 (66.67%) REST
4 3 (50.00%) Django
4 3 (50.00%) Ruby on Rails
4 3 (50.00%) SQL
4 3 (50.00%) Windows
4 3 (50.00%) MVC
4 3 (50.00%) Agile Software Development
4 3 (50.00%) NoSQL
4 3 (50.00%) User Experience
5 2 (33.33%) MongoDB
5 2 (33.33%) Amazon AWS
5 2 (33.33%) Continuous Delivery
6 1 (16.67%) MuleSoft
6 1 (16.67%) Server Building
6 1 (16.67%) API Design
6 1 (16.67%) LAPP Stack
6 1 (16.67%) Anypoint
6 1 (16.67%) High Availability
6 1 (16.67%) Test Strategy
6 1 (16.67%) Rackspace Cloud
6 1 (16.67%) Gherkin
6 1 (16.67%) OpenStack
6 1 (16.67%) Rackspace

Ruby
Co-occurring IT Skills in Cambridge 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 1 (16.67%) Anypoint
1 1 (16.67%) Apache
1 1 (16.67%) OpenStack
1 1 (16.67%) WebLogic
1 1 (16.67%) WebSphere
Cloud Services
1 2 (33.33%) Amazon AWS
2 1 (16.67%) Amazon EC2
2 1 (16.67%) Google Cloud Platform
2 1 (16.67%) Microsoft Azure
2 1 (16.67%) Rackspace Cloud
Communications & Networking
1 1 (16.67%) LDAP
Database & Business Intelligence
1 3 (50.00%) NoSQL
2 2 (33.33%) MongoDB
3 1 (16.67%) PostgreSQL
3 1 (16.67%) RDBMS
3 1 (16.67%) Relational Database
3 1 (16.67%) SQL Server
Development Applications
1 1 (16.67%) Atlassian Bamboo
1 1 (16.67%) Cucumber
1 1 (16.67%) Git (software)
1 1 (16.67%) Jenkins
1 1 (16.67%) JUnit
1 1 (16.67%) NUnit
1 1 (16.67%) RSpec
1 1 (16.67%) Selenium
1 1 (16.67%) Vagrant
1 1 (16.67%) WebDriver
Job Titles
1 3 (50.00%) Developer
1 3 (50.00%) Full Stack Developer
2 1 (16.67%) Analyst
2 1 (16.67%) Architect
2 1 (16.67%) DevOps Engineer
2 1 (16.67%) Integration Architect
2 1 (16.67%) MuleSoft Architect
2 1 (16.67%) Test Analyst
Libraries, Frameworks & Software Standards
1 4 (66.67%) REST
2 3 (50.00%) Django
2 3 (50.00%) Ruby on Rails
3 1 (16.67%) .NET
3 1 (16.67%) ASP.NET
3 1 (16.67%) CSS
3 1 (16.67%) Gherkin
3 1 (16.67%) J2EE
3 1 (16.67%) LAMP
3 1 (16.67%) LAPP Stack
3 1 (16.67%) Node.js
Miscellaneous
1 3 (50.00%) User Experience
2 1 (16.67%) Client/Server
Operating Systems
1 4 (66.67%) Linux
1 4 (66.67%) Unix
2 3 (50.00%) Windows
Processes & Methodologies
1 3 (50.00%) Agile Software Development
1 3 (50.00%) MVC
2 2 (33.33%) Continuous Delivery
3 1 (16.67%) API Design
3 1 (16.67%) Automated Testing
3 1 (16.67%) BDD
3 1 (16.67%) Capacity Planning
3 1 (16.67%) Configuration Management
3 1 (16.67%) Continuous Integration
3 1 (16.67%) DevOps
3 1 (16.67%) High Availability
3 1 (16.67%) Manual Testing
3 1 (16.67%) Microservices
3 1 (16.67%) Scrum
3 1 (16.67%) Server Building
3 1 (16.67%) Stakeholder Management
3 1 (16.67%) TDD
3 1 (16.67%) Test Strategy
3 1 (16.67%) Use Case
Programming Languages
1 6 (100.00%) Python
2 5 (83.33%) C#
2 5 (83.33%) Java
3 4 (66.67%) JavaScript
3 4 (66.67%) PHP
4 3 (50.00%) SQL
5 1 (16.67%) C++
Quality Assurance & Compliance
1 1 (16.67%) QA
System Software
1 1 (16.67%) Docker
Systems Management
1 1 (16.67%) Ansible
1 1 (16.67%) Puppet
Vendors
1 1 (16.67%) Google
1 1 (16.67%) IBM
1 1 (16.67%) Microsoft
1 1 (16.67%) MuleSoft
1 1 (16.67%) Oracle
1 1 (16.67%) Rackspace