Period
to 23 January 2022

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Ruby skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Ruby over the 6 months to 23 January 2022 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
Central London > City of London
6 months to
23 Jan 2022
Same period 2021 Same period 2020
Rank 131 83 82
Rank change year-on-year -48 -1 +52
Contract jobs citing Ruby 56 46 130
As % of all contract jobs advertised in the City of London 1.42% 2.21% 2.63%
As % of the Programming Languages category 2.92% 4.47% 5.45%
Number of daily rates quoted 53 39 111
10th Percentile £415 £385 £413
25th Percentile £488 £466 £463
Median daily rate (50th Percentile) £550 £550 £565
Median % change year-on-year - -2.65% +2.73%
75th Percentile £613 £625 £638
90th Percentile £698 £638 £725
Central London median daily rate £550 £550 £575
% change year-on-year - -4.35% +4.55%

Ruby is in the Programming Languages 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 coding skills.

All Programming Languages
City of London
Contract vacancies with a requirement for coding skills 1,916 1,030 2,384
As % of all contract IT jobs advertised in the City of London 48.59% 49.57% 48.19%
Number of daily rates quoted 1,517 796 1,923
10th Percentile £413 £360 £388
25th Percentile £500 £431 £450
Median daily rate (50th Percentile) £575 £550 £525
Median % change year-on-year +4.55% +4.76% -
75th Percentile £688 £638 £625
90th Percentile £775 £700 £688
Central London median daily rate £575 £550 £525
% change year-on-year +4.55% +4.76% -
Number of hourly rates quoted 10 5 13
10th Percentile £43.45 - £21.00
25th Percentile £48.00 £12.75 £21.17
Median hourly rate £59.25 £14.00 £47.50
Median % change year-on-year +323.21% -70.53% +28.07%
75th Percentile £66.25 £22.00 £52.25
90th Percentile £77.63 £31.15 £55.00
Central London median hourly rate £59.25 £18.00 £36.25
% change year-on-year +229.17% -50.34% -2.26%

Ruby
Job Vacancy Trend in the City of London

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

Job vacancy trend for Ruby in the City of London

Ruby
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing Ruby in the City of London.

Daily rate trend for Ruby in the City of London

Ruby
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Ruby in the City of London over the 6 months to 23 January 2022.

Daily rate histogram for Ruby in the City of London

Ruby
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Ruby in the City of London.

Hourly rate trend for Ruby in the City of London

For the 6 months to 23 January 2022, IT contractor jobs citing Ruby also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for Ruby.

1 23 (41.07%) Ruby on Rails
2 22 (39.29%) Agile Software Development
3 20 (35.71%) Docker
4 19 (33.93%) Python
5 17 (30.36%) Java
6 15 (26.79%) Linux
7 14 (25.00%) AWS
7 14 (25.00%) GitHub
7 14 (25.00%) DevOps
7 14 (25.00%) Kubernetes
7 14 (25.00%) Social Skills
8 13 (23.21%) Terraform
8 13 (23.21%) Git (software)
9 12 (21.43%) Jenkins
9 12 (21.43%) JavaScript
9 12 (21.43%) CI/CD
10 10 (17.86%) Microservices
10 10 (17.86%) Configuration Management
10 10 (17.86%) Go
10 10 (17.86%) Ansible
10 10 (17.86%) RESTful
10 10 (17.86%) Puppet
11 9 (16.07%) Social Media
11 9 (16.07%) Opscode Chef
11 9 (16.07%) TDD
11 9 (16.07%) Greenfield Project
11 9 (16.07%) Full Stack Development
12 8 (14.29%) PHP
12 8 (14.29%) HTML
12 8 (14.29%) CSS

Ruby
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 5 (8.93%) CMS
1 5 (8.93%) Drupal
2 2 (3.57%) nginx
2 2 (3.57%) OpenStack
3 1 (1.79%) Apache
3 1 (1.79%) Confluence
3 1 (1.79%) GeoServer
3 1 (1.79%) SharePoint
3 1 (1.79%) Tomcat
Business Applications
1 1 (1.79%) Sentinel
Cloud Services
1 14 (25.00%) AWS
1 14 (25.00%) GitHub
2 5 (8.93%) SaaS
3 4 (7.14%) Amazon EKS
3 4 (7.14%) GCP
4 3 (5.36%) Azure
5 2 (3.57%) AWS CloudFormation
5 2 (3.57%) AWS Step Functions
5 2 (3.57%) OpenShift
5 2 (3.57%) PaaS
5 2 (3.57%) Serverless
6 1 (1.79%) Amplience
6 1 (1.79%) AppsFlyer
6 1 (1.79%) AWS Lambda
6 1 (1.79%) Heroku
Communications & Networking
1 1 (1.79%) DNS
1 1 (1.79%) Firewall
1 1 (1.79%) HTTP
1 1 (1.79%) Internet
1 1 (1.79%) TCP/IP
1 1 (1.79%) VPN
Database & Business Intelligence
1 3 (5.36%) MongoDB
1 3 (5.36%) MySQL
1 3 (5.36%) NoSQL
1 3 (5.36%) PostgreSQL
2 1 (1.79%) Oracle Database
2 1 (1.79%) Relational Database
Development Applications
1 13 (23.21%) Git (software)
2 12 (21.43%) Jenkins
3 6 (10.71%) CircleCI
4 5 (8.93%) GitLab
5 3 (5.36%) Bitbucket
5 3 (5.36%) RSpec
6 2 (3.57%) SonarQube
6 2 (3.57%) Sonatype Nexus
7 1 (1.79%) Atlassian Bamboo
7 1 (1.79%) git-flow
7 1 (1.79%) GoCD
7 1 (1.79%) IBM UrbanCode
7 1 (1.79%) JIRA
7 1 (1.79%) JUnit
7 1 (1.79%) Maven
7 1 (1.79%) minitest
7 1 (1.79%) Postman
7 1 (1.79%) Selenium
7 1 (1.79%) webpack
General
1 14 (25.00%) Social Skills
2 3 (5.36%) Analytical Skills
2 3 (5.36%) Public Sector
3 1 (1.79%) Advertising
3 1 (1.79%) Banking
3 1 (1.79%) Finance
3 1 (1.79%) Investment Banking
3 1 (1.79%) Marketing
3 1 (1.79%) Retail
Job Titles
1 40 (71.43%) Developer
2 17 (30.36%) Ruby Developer
3 8 (14.29%) DevOps Engineer
3 8 (14.29%) Ruby on Rails Developer
4 6 (10.71%) Java Developer
4 6 (10.71%) Platform Engineer
4 6 (10.71%) Senior Developer
5 5 (8.93%) Drupal Developer
6 4 (7.14%) Full Stack Developer
7 3 (5.36%) Senior Java Developer
7 3 (5.36%) Senior Platform Engineer
8 2 (3.57%) Data Engineer
8 2 (3.57%) Lead Developer
8 2 (3.57%) Senior DevOps
8 2 (3.57%) Senior DevOps Engineer
9 1 (1.79%) AWS DevOps
9 1 (1.79%) AWS Engineer
9 1 (1.79%) Cloud Engineer
9 1 (1.79%) Senior Ruby Developer
9 1 (1.79%) UI Engineer
Libraries, Frameworks & Software Standards
1 23 (41.07%) Ruby on Rails
2 10 (17.86%) RESTful
3 8 (14.29%) CSS
3 8 (14.29%) HTML
4 7 (12.50%) React
5 4 (7.14%) .NET
5 4 (7.14%) HTML5
6 3 (5.36%) AngularJS
6 3 (5.36%) Node.js
6 3 (5.36%) Spring
6 3 (5.36%) Web Services
7 2 (3.57%) CSS3
7 2 (3.57%) Hibernate
7 2 (3.57%) RabbitMQ
8 1 (1.79%) D3.js
8 1 (1.79%) LESS
8 1 (1.79%) Play Framework
8 1 (1.79%) PostGIS
8 1 (1.79%) REST
8 1 (1.79%) YAML
Miscellaneous
1 9 (16.07%) Greenfield Project
1 9 (16.07%) Social Media
2 4 (7.14%) Public Cloud
3 3 (5.36%) Linux Command Line
4 1 (1.79%) Blog
4 1 (1.79%) Data Centre
4 1 (1.79%) User Experience
Operating Systems
1 15 (26.79%) Linux
2 5 (8.93%) Unix
3 4 (7.14%) Mac OS
4 2 (3.57%) CentOS
5 1 (1.79%) Debian
5 1 (1.79%) Red Hat Enterprise Linux
5 1 (1.79%) Ubuntu
5 1 (1.79%) Windows
Processes & Methodologies
1 22 (39.29%) Agile Software Development
2 14 (25.00%) DevOps
3 12 (21.43%) CI/CD
4 10 (17.86%) Configuration Management
4 10 (17.86%) Microservices
5 9 (16.07%) Full Stack Development
5 9 (16.07%) TDD
6 7 (12.50%) Infrastructure as Code
7 5 (8.93%) BDD
7 5 (8.93%) Continuous Integration
8 4 (7.14%) Machine Learning
8 4 (7.14%) Problem-Solving
8 4 (7.14%) Release Management
8 4 (7.14%) Scrum
8 4 (7.14%) Test Automation
9 3 (5.36%) Front End Development
9 3 (5.36%) Infrastructure Engineering
9 3 (5.36%) SDLC
9 3 (5.36%) Software Engineering
10 2 (3.57%) Web Development
Programming Languages
1 19 (33.93%) Python
2 17 (30.36%) Java
3 12 (21.43%) JavaScript
4 10 (17.86%) Go
5 8 (14.29%) PHP
6 4 (7.14%) C#
6 4 (7.14%) Scala
7 3 (5.36%) C++
8 2 (3.57%) Bash
8 2 (3.57%) Perl
8 2 (3.57%) PowerShell
8 2 (3.57%) Rust
8 2 (3.57%) Shell Script
9 1 (1.79%) ActionScript
9 1 (1.79%) C
9 1 (1.79%) ES6
9 1 (1.79%) R
9 1 (1.79%) SQL
9 1 (1.79%) TypeScript
Qualifications
1 4 (7.14%) SC Cleared
1 4 (7.14%) Security Cleared
Quality Assurance & Compliance
1 5 (8.93%) Accessibility
2 2 (3.57%) QA
3 1 (1.79%) WCAG
System Software
1 20 (35.71%) Docker
2 2 (3.57%) Virtual Machines
3 1 (1.79%) GeoWebCache
3 1 (1.79%) LXC
3 1 (1.79%) Squid
Systems Management
1 14 (25.00%) Kubernetes
2 13 (23.21%) Terraform
3 10 (17.86%) Ansible
3 10 (17.86%) Puppet
4 9 (16.07%) Opscode Chef
5 5 (8.93%) Salt
6 2 (3.57%) Packer
6 2 (3.57%) Prometheus
7 1 (1.79%) Cobbler
7 1 (1.79%) Consul
7 1 (1.79%) Docker Swarm
7 1 (1.79%) Icinga
7 1 (1.79%) Nagios
7 1 (1.79%) Pingdom
7 1 (1.79%) ZABBIX
Vendors
1 4 (7.14%) Oracle
1 4 (7.14%) Red Hat
2 3 (5.36%) Google
3 1 (1.79%) Atlassian
3 1 (1.79%) Facebook
3 1 (1.79%) PagerDuty
3 1 (1.79%) Qualys
3 1 (1.79%) SaltStack
3 1 (1.79%) Zscaler