Period
to 7 May 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 7 May 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
7 May 2021
Same period 2020 Same period 2019
Rank 100 80 141
Rank change year-on-year -20 +61 -59
Contract jobs citing Ruby 53 86 108
As % of all contract jobs advertised in the City of London 1.95% 2.45% 1.65%
As % of the Programming Languages category 4.10% 5.07% 3.28%
Number of daily rates quoted 43 71 86
10th Percentile £453 £400 £456
25th Percentile £480 £431 £475
Median daily rate (50th Percentile) £550 £550 £525
Median % change year-on-year - +4.76% -
75th Percentile £591 £625 £613
90th Percentile £625 £650 £681
Central London median daily rate £550 £550 £525
% change year-on-year - +4.76% -

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 1,293 1,695 3,292
As % of all contract IT jobs advertised in the City of London 47.59% 48.35% 50.41%
Number of daily rates quoted 979 1,342 2,673
10th Percentile £374 £375 £401
25th Percentile £459 £438 £463
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - -
75th Percentile £638 £613 £619
90th Percentile £713 £688 £675
Central London median daily rate £550 £525 £525
% change year-on-year +4.76% - +2.44%
Number of hourly rates quoted 4 14 19
10th Percentile £16.32 £23.80 £16.61
25th Percentile £19.79 £25.06 "
Median hourly rate £25.48 £43.00 £21.00
Median % change year-on-year -40.76% +104.76% -2.33%
75th Percentile £30.88 £52.81 £37.50
90th Percentile £34.70 £57.20 £50.60
Central London median hourly rate £23.45 £38.50 £21.75
% change year-on-year -39.09% +77.01% +1.16%

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 7 May 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 7 May 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 27 (50.94%) Ruby on Rails
2 23 (43.40%) Go
3 21 (39.62%) Docker
4 18 (33.96%) Kubernetes
5 17 (32.08%) Python
6 16 (30.19%) Java
7 15 (28.30%) Agile Software Development
8 14 (26.42%) JavaScript
8 14 (26.42%) Git (software)
8 14 (26.42%) AWS
8 14 (26.42%) DevOps
9 13 (24.53%) Social Skills
10 12 (22.64%) GitHub
11 10 (18.87%) Scala
12 8 (15.09%) Azure
12 8 (15.09%) Software Engineering
12 8 (15.09%) Site Reliability Engineering
12 8 (15.09%) Terraform
13 7 (13.21%) GCP
13 7 (13.21%) PostgreSQL
14 6 (11.32%) TDD
14 6 (11.32%) Banking
14 6 (11.32%) VMware
14 6 (11.32%) EMC
14 6 (11.32%) VMware ESXi
14 6 (11.32%) VMware Infrastructure
14 6 (11.32%) React
15 5 (9.43%) vRealize Orchestrator
15 5 (9.43%) Mule
15 5 (9.43%) Cloud Computing

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 (9.43%) Mule
2 2 (3.77%) WordPress
3 1 (1.89%) Confluence
3 1 (1.89%) Elasticsearch
3 1 (1.89%) SharePoint
Cloud Services
1 14 (26.42%) AWS
2 12 (22.64%) GitHub
3 8 (15.09%) Azure
4 7 (13.21%) GCP
5 5 (9.43%) Cloud Computing
6 3 (5.66%) IaaS
6 3 (5.66%) PaaS
7 2 (3.77%) Heroku
7 2 (3.77%) SaaS
8 1 (1.89%) Amazon EC2
8 1 (1.89%) Amazon ElastiCache
8 1 (1.89%) AWS Elastic Beanstalk
8 1 (1.89%) AWS Lambda
8 1 (1.89%) BrowserStack
8 1 (1.89%) CloudFront
8 1 (1.89%) OpenShift
8 1 (1.89%) Route 53
8 1 (1.89%) Sauce Labs
8 1 (1.89%) Serverless
8 1 (1.89%) Virtual Private Cloud
Communications & Networking
1 2 (3.77%) Internet
2 1 (1.89%) Kerberos
Database & Business Intelligence
1 7 (13.21%) PostgreSQL
2 3 (5.66%) MySQL
2 3 (5.66%) Redis
3 2 (3.77%) Amazon Aurora
3 2 (3.77%) Amazon DynamoDB
3 2 (3.77%) MongoDB
3 2 (3.77%) SQL Server
4 1 (1.89%) Amazon RDS
4 1 (1.89%) Apache Cassandra
4 1 (1.89%) Microsoft Analysis Services
4 1 (1.89%) Oracle Database
4 1 (1.89%) Oracle Database 11g
4 1 (1.89%) Oracle Database 12c
4 1 (1.89%) SQL Server 2008
4 1 (1.89%) SQL Server 2012
4 1 (1.89%) SQL Server 2014
4 1 (1.89%) SQL Server 2016
4 1 (1.89%) SQL Server 2017
4 1 (1.89%) SQL Server 2019
4 1 (1.89%) SQL Server Analysis Services
Development Applications
1 14 (26.42%) Git (software)
2 3 (5.66%) Jenkins
3 2 (3.77%) Cucumber
3 2 (3.77%) JIRA
3 2 (3.77%) Selenium
4 1 (1.89%) Appium
4 1 (1.89%) Bitbucket
4 1 (1.89%) CircleCI
4 1 (1.89%) Cypress.io
4 1 (1.89%) Eclipse
4 1 (1.89%) GitLab
4 1 (1.89%) REST Assured
4 1 (1.89%) RSpec
4 1 (1.89%) Serena SBM
4 1 (1.89%) SpecFlow
4 1 (1.89%) Subversion
4 1 (1.89%) TeamCity
General
1 13 (24.53%) Social Skills
2 6 (11.32%) Banking
3 4 (7.55%) Finance
4 2 (3.77%) Analytical Skills
4 2 (3.77%) Retail
5 1 (1.89%) International Banking
5 1 (1.89%) Law
Job Titles
1 23 (43.40%) Developer
2 16 (30.19%) Ruby Developer
3 8 (15.09%) Ruby Engineer
4 7 (13.21%) DevOps Engineer
5 6 (11.32%) Site Engineer
5 6 (11.32%) Site Reliability Engineer
5 6 (11.32%) Software Engineer
6 5 (9.43%) VMware Engineer
7 4 (7.55%) Scala Engineer
7 4 (7.55%) Scala Software Engineer
8 3 (5.66%) Consultant
8 3 (5.66%) Full Stack Developer
8 3 (5.66%) Ruby on Rails Developer
8 3 (5.66%) Senior Developer
8 3 (5.66%) Senior DevOps
8 3 (5.66%) Senior DevOps Engineer
8 3 (5.66%) Senior Software Engineer
9 2 (3.77%) Senior Consultant
9 2 (3.77%) Senior Technical Consultant
9 2 (3.77%) Technical Engineer
Libraries, Frameworks & Software Standards
1 27 (50.94%) Ruby on Rails
2 6 (11.32%) React
3 5 (9.43%) Node.js
4 2 (3.77%) CSS
4 2 (3.77%) HTML
4 2 (3.77%) HTML5
4 2 (3.77%) React Native
4 2 (3.77%) REST
4 2 (3.77%) RESTful
5 1 (1.89%) Ajax
5 1 (1.89%) Android SDK
5 1 (1.89%) JSON
5 1 (1.89%) LDAP
5 1 (1.89%) Sidekiq
5 1 (1.89%) Spring
5 1 (1.89%) Web Services
5 1 (1.89%) WebdriverIO
Miscellaneous
1 3 (5.66%) Mobile App
2 1 (1.89%) Greenfield Project
2 1 (1.89%) Replication
2 1 (1.89%) User Experience
Operating Systems
1 3 (5.66%) Linux
1 3 (5.66%) Windows
2 2 (3.77%) Apple iOS
3 1 (1.89%) Android
3 1 (1.89%) Unix
Processes & Methodologies
1 15 (28.30%) Agile Software Development
2 14 (26.42%) DevOps
3 8 (15.09%) Site Reliability Engineering
3 8 (15.09%) Software Engineering
4 6 (11.32%) TDD
5 5 (9.43%) Scrum
6 4 (7.55%) BDD
6 4 (7.55%) Configuration Management
6 4 (7.55%) Continuous Integration
6 4 (7.55%) OO
6 4 (7.55%) Performance Tuning
6 4 (7.55%) Test Automation
7 3 (5.66%) Capacity Planning
7 3 (5.66%) Coaching
7 3 (5.66%) High Availability
7 3 (5.66%) Infrastructure Engineering
7 3 (5.66%) Mentoring
7 3 (5.66%) Open Source
7 3 (5.66%) Resource Management
7 3 (5.66%) Service-Level Objective
Programming Languages
1 23 (43.40%) Go
2 17 (32.08%) Python
3 16 (30.19%) Java
4 14 (26.42%) JavaScript
5 10 (18.87%) Scala
6 5 (9.43%) Bash Shell
7 4 (7.55%) C#
8 3 (5.66%) C
8 3 (5.66%) C++
8 3 (5.66%) PHP
8 3 (5.66%) PowerShell
9 2 (3.77%) Apple Swift
9 2 (3.77%) Kotlin
9 2 (3.77%) Objective-C
10 1 (1.89%) Perl
10 1 (1.89%) Rust
10 1 (1.89%) SQL
10 1 (1.89%) TypeScript
Qualifications
1 5 (9.43%) CCNA
1 5 (9.43%) Cisco Certification
2 2 (3.77%) SC Cleared
2 2 (3.77%) Security Cleared
Quality Assurance & Compliance
1 2 (3.77%) QA
System Software
1 21 (39.62%) Docker
2 6 (11.32%) VMware ESXi
2 6 (11.32%) VMware Infrastructure
3 3 (5.66%) Ceph
3 3 (5.66%) NFS
4 1 (1.89%) Active Directory
4 1 (1.89%) Oracle RAC
Systems Management
1 18 (33.96%) Kubernetes
2 8 (15.09%) Terraform
3 5 (9.43%) vRealize Orchestrator
4 3 (5.66%) Hadoop YARN
4 3 (5.66%) Mesos
5 2 (3.77%) Ansible
6 1 (1.89%) Control-M
6 1 (1.89%) Data Guard
6 1 (1.89%) EMC NetWorker
6 1 (1.89%) Enterprise Manager Cloud Control
6 1 (1.89%) QRadar
6 1 (1.89%) Tivoli
6 1 (1.89%) Tivoli Storage Manager
Vendors
1 6 (11.32%) EMC
1 6 (11.32%) VMware
2 5 (9.43%) Google
2 5 (9.43%) NetApp
3 1 (1.89%) BMC
3 1 (1.89%) CyberArk
3 1 (1.89%) IBM
3 1 (1.89%) New Relic
3 1 (1.89%) Oracle
3 1 (1.89%) Qualys
3 1 (1.89%) Red Hat
3 1 (1.89%) Serena
3 1 (1.89%) ServiceNow
3 1 (1.89%) Splunk
3 1 (1.89%) Sybase