Period
to 30 July 2021

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 30 July 2021 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
30 Jul 2021
Same period 2020 Same period 2019
Rank 134 92 126
Rank change year-on-year -42 +34 -36
Contract jobs citing Ruby 34 44 118
As % of all contract jobs advertised in the City of London 0.99% 1.87% 1.80%
As % of the Programming Languages category 2.13% 3.75% 3.61%
Number of daily rates quoted 27 34 102
10th Percentile £425 £404 £469
25th Percentile £474 £431 £508
Median daily rate (50th Percentile) £525 £481 £550
Median % change year-on-year +9.09% -12.50% +3.77%
75th Percentile £594 £584 £634
90th Percentile £642 £650 £760
Central London median daily rate £525 £513 £550
% change year-on-year +2.44% -6.82% +4.27%

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 1,599 1,173 3,270
As % of all contract IT jobs advertised in the City of London 46.44% 49.89% 49.95%
Number of daily rates quoted 1,228 912 2,661
10th Percentile £406 £375 £406
25th Percentile £465 £450 £463
Median daily rate (50th Percentile) £585 £525 £525
Median % change year-on-year +11.33% - -
75th Percentile £675 £625 £613
90th Percentile £750 £688 £675
Central London median daily rate £575 £525 £525
% change year-on-year +9.52% - -
Number of hourly rates quoted 8 10 22
10th Percentile £24.19 £23.35 "
25th Percentile £26.00 £33.31 £21.00
Median hourly rate £33.50 £38.50 £22.00
Median % change year-on-year -12.99% +75.00% +2.33%
75th Percentile £37.75 £52.38 £37.50
90th Percentile £47.43 £57.88 £51.04
Central London median hourly rate £27.50 £38.50 £22.50
% change year-on-year -28.57% +71.11% +4.65%

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 30 July 2021.

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 30 July 2021, 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 15 (44.12%) Python
2 14 (41.18%) Ruby on Rails
2 14 (41.18%) Docker
3 13 (38.24%) Go
3 13 (38.24%) Java
4 12 (35.29%) AWS
5 11 (32.35%) Git (software)
5 11 (32.35%) Agile Software Development
6 10 (29.41%) GitHub
6 10 (29.41%) Kubernetes
6 10 (29.41%) Social Skills
7 8 (23.53%) Azure
8 7 (20.59%) DevOps
8 7 (20.59%) GCP
8 7 (20.59%) VMware Infrastructure
8 7 (20.59%) VMware
8 7 (20.59%) JavaScript
9 6 (17.65%) EMC
9 6 (17.65%) PostgreSQL
9 6 (17.65%) Banking
9 6 (17.65%) VMware ESXi
10 5 (14.71%) Cloud Computing
10 5 (14.71%) Scala
10 5 (14.71%) Mule
10 5 (14.71%) Google
10 5 (14.71%) Cisco Certification
10 5 (14.71%) CCNA
10 5 (14.71%) NetApp
10 5 (14.71%) vRealize Orchestrator
10 5 (14.71%) Terraform

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 (14.71%) Mule
2 2 (5.88%) Confluence
3 1 (2.94%) CMS
3 1 (2.94%) Elasticsearch
3 1 (2.94%) OpenStack
3 1 (2.94%) SharePoint
3 1 (2.94%) WordPress
Cloud Services
1 12 (35.29%) AWS
2 10 (29.41%) GitHub
3 8 (23.53%) Azure
4 7 (20.59%) GCP
5 5 (14.71%) Cloud Computing
6 2 (5.88%) Heroku
6 2 (5.88%) SaaS
7 1 (2.94%) Amazon EC2
7 1 (2.94%) Amazon ECS
7 1 (2.94%) Amazon ElastiCache
7 1 (2.94%) Amazon S3
7 1 (2.94%) AWS Elastic Beanstalk
7 1 (2.94%) AWS Lambda
7 1 (2.94%) BrowserStack
7 1 (2.94%) CloudFront
7 1 (2.94%) IaaS
7 1 (2.94%) PaaS
7 1 (2.94%) Route 53
7 1 (2.94%) Sauce Labs
7 1 (2.94%) Virtual Private Cloud
Communications & Networking
1 1 (2.94%) Internet
1 1 (2.94%) Kerberos
1 1 (2.94%) SAN
Database & Business Intelligence
1 6 (17.65%) PostgreSQL
2 4 (11.76%) MySQL
3 2 (5.88%) Amazon Aurora
3 2 (5.88%) Amazon DynamoDB
3 2 (5.88%) MongoDB
3 2 (5.88%) Redis
3 2 (5.88%) SQL Server
4 1 (2.94%) Amazon RDS
4 1 (2.94%) Apache Cassandra
4 1 (2.94%) Big Data
4 1 (2.94%) Oracle Database
4 1 (2.94%) Oracle Database 11g
4 1 (2.94%) Oracle Database 12c
4 1 (2.94%) SQL Server 2008
4 1 (2.94%) SQL Server 2012
4 1 (2.94%) SQL Server 2014
4 1 (2.94%) SQL Server 2016
4 1 (2.94%) SQL Server 2017
4 1 (2.94%) SQL Server 2019
4 1 (2.94%) SQL Server Analysis Services
Development Applications
1 11 (32.35%) Git (software)
2 3 (8.82%) Jenkins
3 2 (5.88%) Cucumber
3 2 (5.88%) JIRA
3 2 (5.88%) Selenium
4 1 (2.94%) Appium
4 1 (2.94%) Bitbucket
4 1 (2.94%) Bitbucket Server
4 1 (2.94%) CircleCI
4 1 (2.94%) Cypress.io
4 1 (2.94%) REST Assured
4 1 (2.94%) RSpec
4 1 (2.94%) Serena SBM
4 1 (2.94%) SpecFlow
4 1 (2.94%) Subversion
4 1 (2.94%) TeamCity
4 1 (2.94%) Vagrant
General
1 10 (29.41%) Social Skills
2 6 (17.65%) Banking
3 3 (8.82%) Finance
4 2 (5.88%) Law
4 2 (5.88%) Public Sector
5 1 (2.94%) Analytical Skills
5 1 (2.94%) International Banking
Job Titles
1 15 (44.12%) Developer
2 13 (38.24%) Ruby Developer
3 5 (14.71%) VMware Engineer
4 3 (8.82%) DevOps Engineer
4 3 (8.82%) Ruby Engineer
4 3 (8.82%) Site Engineer
4 3 (8.82%) Site Reliability Engineer
4 3 (8.82%) Software Engineer
5 2 (5.88%) Ruby on Rails Developer
5 2 (5.88%) Scala Engineer
5 2 (5.88%) Scala Software Engineer
6 1 (2.94%) Administrator
6 1 (2.94%) Consultant
6 1 (2.94%) DBA
6 1 (2.94%) Java Developer
6 1 (2.94%) Product Manager
6 1 (2.94%) Senior Software Engineer
6 1 (2.94%) Systems Administrator
6 1 (2.94%) Test Automation Consultant
6 1 (2.94%) Test Consultant
Libraries, Frameworks & Software Standards
1 14 (41.18%) Ruby on Rails
2 4 (11.76%) CSS
2 4 (11.76%) HTML
3 3 (8.82%) HTML5
3 3 (8.82%) React
4 2 (5.88%) RESTful
4 2 (5.88%) Web Services
5 1 (2.94%) Ajax
5 1 (2.94%) CSS3
5 1 (2.94%) LDAP
5 1 (2.94%) Node.js
5 1 (2.94%) React Native
5 1 (2.94%) Redux
5 1 (2.94%) Spring
5 1 (2.94%) Spring Boot
5 1 (2.94%) WebdriverIO
Miscellaneous
1 1 (2.94%) Linux Command Line
1 1 (2.94%) Mobile App
1 1 (2.94%) Public Cloud
1 1 (2.94%) Replication
1 1 (2.94%) User Experience
Operating Systems
1 4 (11.76%) Linux
2 1 (2.94%) Apple iOS
2 1 (2.94%) Red Hat Enterprise Linux
2 1 (2.94%) Ubuntu
2 1 (2.94%) Windows
Processes & Methodologies
1 11 (32.35%) Agile Software Development
2 7 (20.59%) DevOps
3 4 (11.76%) Clean Code
3 4 (11.76%) Configuration Management
4 3 (8.82%) Continuous Integration
4 3 (8.82%) Open Source
4 3 (8.82%) Scrum
4 3 (8.82%) Site Reliability Engineering
4 3 (8.82%) Software Engineering
4 3 (8.82%) TDD
4 3 (8.82%) Test Automation
5 2 (5.88%) BDD
5 2 (5.88%) High Availability
5 2 (5.88%) Mentoring
5 2 (5.88%) Microservices
5 2 (5.88%) Problem-Solving
6 1 (2.94%) Change Control
6 1 (2.94%) Continuous Improvement
6 1 (2.94%) Kanban
6 1 (2.94%) Test Scripting
Programming Languages
1 15 (44.12%) Python
2 13 (38.24%) Go
2 13 (38.24%) Java
3 7 (20.59%) JavaScript
4 5 (14.71%) Scala
5 4 (11.76%) Bash Shell
6 3 (8.82%) PHP
6 3 (8.82%) Rust
7 2 (5.88%) C#
7 2 (5.88%) Perl
7 2 (5.88%) PowerShell
8 1 (2.94%) Apple Swift
8 1 (2.94%) Clojure
8 1 (2.94%) Kotlin
8 1 (2.94%) Objective-C
8 1 (2.94%) SQL
8 1 (2.94%) TypeScript
Qualifications
1 5 (14.71%) CCNA
1 5 (14.71%) Cisco Certification
2 1 (2.94%) Computer Science Degree
2 1 (2.94%) CTC Cleared
2 1 (2.94%) Degree
2 1 (2.94%) Security Cleared
Quality Assurance & Compliance
1 2 (5.88%) QA
System Software
1 14 (41.18%) Docker
2 7 (20.59%) VMware Infrastructure
3 6 (17.65%) VMware ESXi
4 1 (2.94%) Active Directory
4 1 (2.94%) Oracle RAC
Systems Management
1 10 (29.41%) Kubernetes
2 5 (14.71%) Terraform
2 5 (14.71%) vRealize Orchestrator
3 3 (8.82%) Ansible
4 1 (2.94%) Cobbler
4 1 (2.94%) Control-M
4 1 (2.94%) Data Guard
4 1 (2.94%) EMC NetWorker
4 1 (2.94%) Enterprise Manager Cloud Control
4 1 (2.94%) Packer
4 1 (2.94%) Puppet
4 1 (2.94%) QRadar
4 1 (2.94%) Tivoli
4 1 (2.94%) Tivoli Storage Manager
Vendors
1 7 (20.59%) VMware
2 6 (17.65%) EMC
3 5 (14.71%) Google
3 5 (14.71%) NetApp
4 1 (2.94%) 3PAR
4 1 (2.94%) BMC
4 1 (2.94%) CyberArk
4 1 (2.94%) Dell
4 1 (2.94%) HP
4 1 (2.94%) IBM
4 1 (2.94%) Microsoft
4 1 (2.94%) Oracle
4 1 (2.94%) Qualys
4 1 (2.94%) Red Hat
4 1 (2.94%) Serena
4 1 (2.94%) ServiceNow
4 1 (2.94%) Splunk
4 1 (2.94%) Sybase