Period
to

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 1 July 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
1 Jul 2022
Same period 2021 Same period 2020
Rank 129 128 91
Rank change year-on-year -1 -37 +33
Contract jobs citing Ruby 66 39 50
As % of all contract jobs advertised in the City of London 1.52% 1.23% 1.84%
As % of the Programming Languages category 3.48% 2.63% 3.75%
Number of daily rates quoted 60 33 37
10th Percentile £463 £425 £390
25th Percentile £500 £478 £413
Median daily rate (50th Percentile) £550 £525 £475
Median % change year-on-year +4.76% +10.53% -13.64%
75th Percentile £600 £588 £613
90th Percentile £653 £599 £650
Central London median daily rate £550 £525 £519
% change year-on-year +4.76% +1.20% -2.35%

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 1,897 1,484 1,334
As % of all contract IT jobs advertised in the City of London 43.78% 46.87% 49.03%
Number of daily rates quoted 1,436 1,135 1,043
10th Percentile £425 £393 £375
25th Percentile £500 £463 £441
Median daily rate (50th Percentile) £600 £575 £525
Median % change year-on-year +4.35% +9.52% -
75th Percentile £719 £660 £625
90th Percentile £813 £738 £688
Central London median daily rate £600 £575 £525
% change year-on-year +4.35% +9.52% -
Number of hourly rates quoted 15 7 9
10th Percentile £36.25 £23.84 £22.54
25th Percentile £42.75 £25.75 £26.75
Median hourly rate £52.50 £32.00 £38.50
Median % change year-on-year +64.06% -16.88% +79.07%
75th Percentile £58.50 £36.38 £56.50
90th Percentile £69.35 £37.75 £58.25
Central London median hourly rate £52.50 £25.50 £36.09
% change year-on-year +105.88% -29.34% +64.03%

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 1 July 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 1 July 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 31 (46.97%) Python
2 29 (43.94%) AWS
3 28 (42.42%) Go
3 28 (42.42%) DevOps
4 25 (37.88%) Ruby on Rails
5 22 (33.33%) Java
5 22 (33.33%) Terraform
6 20 (30.30%) Git (software)
7 19 (28.79%) Bash
7 19 (28.79%) Ansible
8 18 (27.27%) Docker
8 18 (27.27%) Linux
8 18 (27.27%) Agile
9 17 (25.76%) Puppet
10 15 (22.73%) Software Engineering
10 15 (22.73%) Perl
10 15 (22.73%) Greenfield Project
10 15 (22.73%) Social Skills
11 14 (21.21%) JavaScript
12 13 (19.70%) Finance
12 13 (19.70%) CI/CD
13 11 (16.67%) Infrastructure as Code
13 11 (16.67%) Configuration Management
13 11 (16.67%) Azure
13 11 (16.67%) Jenkins
14 10 (15.15%) AWS CloudFormation
15 9 (13.64%) Analytical Skills
15 9 (13.64%) Elastic Stack
15 9 (13.64%) Project Delivery
15 9 (13.64%) Platform Engineering

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 4 (6.06%) Apache
2 3 (4.55%) Tomcat
3 1 (1.52%) CMS
3 1 (1.52%) Drupal
3 1 (1.52%) JBoss
Cloud Services
1 29 (43.94%) AWS
2 11 (16.67%) Azure
3 10 (15.15%) AWS CloudFormation
4 7 (10.61%) Azure DevOps
5 6 (9.09%) Amazon CloudWatch
5 6 (9.09%) Amazon EC2
5 6 (9.09%) AWS Lambda
5 6 (9.09%) GitHub
5 6 (9.09%) Serverless
6 5 (7.58%) Virtual Private Cloud
7 4 (6.06%) GCP
8 3 (4.55%) Amazon EKS
8 3 (4.55%) Datadog
9 2 (3.03%) Amazon ECS
9 2 (3.03%) Amazon GuardDuty
9 2 (3.03%) AWS CodePipeline
9 2 (3.03%) AWS Control Tower
9 2 (3.03%) AWS Fargate
9 2 (3.03%) Azure AKS
9 2 (3.03%) Azure Monitor
Communications & Networking
1 6 (9.09%) DNS
1 6 (9.09%) VPN
2 5 (7.58%) Firewall
2 5 (7.58%) SSL
2 5 (7.58%) tcpdump
3 1 (1.52%) Internet
Database & Business Intelligence
1 5 (7.58%) PostgreSQL
2 4 (6.06%) Redis
3 3 (4.55%) Amazon Aurora
3 3 (4.55%) Azure SQL Data Warehouse
3 3 (4.55%) Big Data
3 3 (4.55%) Data Warehouse
3 3 (4.55%) DynamoDB
3 3 (4.55%) MySQL
4 2 (3.03%) MongoDB
4 2 (3.03%) NoSQL
4 2 (3.03%) Relational Database
Development Applications
1 20 (30.30%) Git (software)
2 11 (16.67%) Jenkins
3 5 (7.58%) RSpec
4 3 (4.55%) git-flow
5 2 (3.03%) CircleCI
5 2 (3.03%) GoCD
5 2 (3.03%) Maven
6 1 (1.52%) Atlassian Bamboo
6 1 (1.52%) Bundler
6 1 (1.52%) Cucumber
6 1 (1.52%) GitLab
6 1 (1.52%) Gradle
6 1 (1.52%) IntelliJ
6 1 (1.52%) JIRA
6 1 (1.52%) JProfiler
6 1 (1.52%) JUnit
6 1 (1.52%) Leiningen
6 1 (1.52%) Team Foundation Server
6 1 (1.52%) Vagrant
6 1 (1.52%) Visual Studio
General
1 15 (22.73%) Social Skills
2 13 (19.70%) Finance
3 9 (13.64%) Analytical Skills
4 1 (1.52%) Banking
4 1 (1.52%) Financial Institution
4 1 (1.52%) Legal
4 1 (1.52%) Retail
Job Titles
1 27 (40.91%) Developer
2 17 (25.76%) DevOps Engineer
3 16 (24.24%) Ruby Developer
4 11 (16.67%) AWS DevOps
4 11 (16.67%) AWS DevOps Engineer
4 11 (16.67%) AWS Engineer
5 9 (13.64%) Platform Engineer
6 6 (9.09%) Linux Engineer
7 5 (7.58%) Ruby on Rails Developer
8 4 (6.06%) Architect
9 3 (4.55%) Ruby Engineer
9 3 (4.55%) Senior Developer
9 3 (4.55%) Software Engineer
9 3 (4.55%) Technical Leader
10 2 (3.03%) AWS Architect
10 2 (3.03%) Azure DevOps Engineer
10 2 (3.03%) Azure Engineer
10 2 (3.03%) Cloud Architect
11 1 (1.52%) Java Architect
11 1 (1.52%) Site Engineer
Libraries, Frameworks & Software Standards
1 25 (37.88%) Ruby on Rails
2 9 (13.64%) Elastic Stack
3 4 (6.06%) React
4 2 (3.03%) .NET
4 2 (3.03%) CSS
4 2 (3.03%) HTML
4 2 (3.03%) HTML5
4 2 (3.03%) Spring
4 2 (3.03%) Spring Boot
5 1 (1.52%) DHTML
5 1 (1.52%) DOM
5 1 (1.52%) JDBC
5 1 (1.52%) JSF
5 1 (1.52%) JSP
5 1 (1.52%) Kafka
5 1 (1.52%) SAX
5 1 (1.52%) Servlets
5 1 (1.52%) Web Services
5 1 (1.52%) XML
5 1 (1.52%) XSLT
Miscellaneous
1 15 (22.73%) Greenfield Project
2 8 (12.12%) Linux Command Line
2 8 (12.12%) Public Cloud
3 4 (6.06%) Social Media
4 3 (4.55%) Data Centre
5 1 (1.52%) Cloud Native
5 1 (1.52%) Enterprise Software
5 1 (1.52%) Hedge funds
5 1 (1.52%) Hybrid Cloud
5 1 (1.52%) User Experience
Operating Systems
1 18 (27.27%) Linux
2 7 (10.61%) CentOS
2 7 (10.61%) Red Hat Enterprise Linux
Processes & Methodologies
1 28 (42.42%) DevOps
2 18 (27.27%) Agile
3 15 (22.73%) Software Engineering
4 13 (19.70%) CI/CD
5 11 (16.67%) Configuration Management
5 11 (16.67%) Infrastructure as Code
6 9 (13.64%) Platform Engineering
6 9 (13.64%) Project Delivery
7 7 (10.61%) Task Automation
7 7 (10.61%) Test Automation
8 5 (7.58%) Analytics
8 5 (7.58%) Microservices
8 5 (7.58%) Software Deployment
9 4 (6.06%) Coaching
9 4 (6.06%) Infrastructure Automation
9 4 (6.06%) Open Source
9 4 (6.06%) TDD
10 3 (4.55%) Business Intelligence
10 3 (4.55%) ETL
10 3 (4.55%) Project Management
Programming Languages
1 31 (46.97%) Python
2 28 (42.42%) Go
3 22 (33.33%) Java
4 19 (28.79%) Bash
5 15 (22.73%) Perl
6 14 (21.21%) JavaScript
7 5 (7.58%) C++
7 5 (7.58%) PowerShell
8 2 (3.03%) C#
8 2 (3.03%) Rust
9 1 (1.52%) C
9 1 (1.52%) Groovy
9 1 (1.52%) PHP
9 1 (1.52%) Shell Script
Qualifications
1 4 (6.06%) SC Cleared
1 4 (6.06%) Security Cleared
Quality Assurance & Compliance
1 1 (1.52%) GDPR
System Software
1 18 (27.27%) Docker
2 4 (6.06%) Virtual Machines
3 1 (1.52%) Active Directory
3 1 (1.52%) VirtualBox
Systems Management
1 22 (33.33%) Terraform
2 19 (28.79%) Ansible
3 17 (25.76%) Puppet
4 9 (13.64%) Opscode Chef
5 7 (10.61%) Kubernetes
5 7 (10.61%) Red Hat Satellite
6 5 (7.58%) Prometheus
7 4 (6.06%) Salt
8 3 (4.55%) Consul
8 3 (4.55%) Icinga
8 3 (4.55%) Packer
9 1 (1.52%) Grafana
9 1 (1.52%) Pingdom
Vendors
1 8 (12.12%) Red Hat
2 2 (3.03%) New Relic
2 2 (3.03%) PagerDuty
3 1 (1.52%) EMC
3 1 (1.52%) Google
3 1 (1.52%) Microsoft
3 1 (1.52%) SaltStack