Period
to 7 December 2019

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 December 2019 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 Dec 2019
Same period 2018 Same period 2017
Rank 90 129 103
Rank change year-on-year +39 -26 -20
Contract jobs citing Ruby 140 142 164
As % of all contract IT jobs advertised in the City of London 2.48% 1.99% 2.28%
As % of the Programming Languages category 5.02% 3.67% 4.32%
Number of daily rates quoted 114 116 139
City of London median daily rate £550 £550 £550
10th Percentile £431 £431 £440
90th Percentile £709 £644 £669
Central London median daily rate £550 £550 £550
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

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 2,790 3,872 3,794
As % of all contract IT jobs advertised in the City of London 49.42% 54.30% 52.64%
Number of daily rates quoted 2,246 3,227 3,163
City of London median daily rate £525 £525 £525
10th Percentile £388 £381 £363
90th Percentile £688 £675 £688
Central London median daily rate £525 £525 £513
% change year-on-year - +2.44% +7.89%
Number of hourly rates quoted 9 8 13
City of London median hourly rate £28.00 £37.09 £21.50
Median hourly rate % change year-on-year -24.51% +72.51% -21.82%
10th Percentile £21.13 £16.10 £14.53
90th Percentile £57.40 £74.46 £30.00
Central London median hourly rate £28.00 £37.09 £22.99
% change year-on-year -24.51% +61.31% -16.39%

Ruby
Job Vacancy Trend in the City of London

Job postings citing Ruby as a percentage 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

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

Contractor daily rate trend for Ruby in the City of London

Ruby
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Ruby in the City of London over the 6 months to 7 December 2019.

Contractor daily rate histogram for Ruby in the City of London

Ruby
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for Ruby in the City of London

Ruby
Contract Job Locations in the City of London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Ruby within the City of London region over the 6 months to 7 December 2019. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London Bridge +39 2 £508 -5.14%
Ruby
Central London

For the 6 months to 7 December 2019, 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 85 (60.71%) Python
2 77 (55.00%) Agile Software Development
3 63 (45.00%) Linux
4 56 (40.00%) AWS
5 54 (38.57%) DevOps
6 50 (35.71%) Java
7 37 (26.43%) JavaScript
8 36 (25.71%) Ruby on Rails
9 32 (22.86%) Continuous Integration
9 32 (22.86%) Go
10 31 (22.14%) Kubernetes
10 31 (22.14%) TDD
11 30 (21.43%) Git (software)
12 29 (20.71%) Bash Shell
13 27 (19.29%) Node.js
13 27 (19.29%) Jenkins
14 26 (18.57%) Terraform
15 24 (17.14%) PostgreSQL
15 24 (17.14%) Web Services
16 23 (16.43%) Opscode Chef
16 23 (16.43%) Continuous Delivery
17 21 (15.00%) Red Hat Enterprise Linux
18 20 (14.29%) Test Automation
18 20 (14.29%) Puppet
18 20 (14.29%) Security Cleared
18 20 (14.29%) Configuration Management
18 20 (14.29%) Scrum
18 20 (14.29%) Docker
19 19 (13.57%) Serverless
20 18 (12.86%) Ansible

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 12 (8.57%) Elasticsearch
2 5 (3.57%) nginx
3 3 (2.14%) Apache Spark
3 3 (2.14%) Confluence
4 2 (1.43%) CMS
4 2 (1.43%) JBoss
4 2 (1.43%) Jetty
4 2 (1.43%) Oracle Self-Service HR
4 2 (1.43%) Tomcat
4 2 (1.43%) WebLogic
5 1 (0.71%) Cloud Foundry
5 1 (0.71%) OpenStack
5 1 (0.71%) SharePoint
Applications
1 2 (1.43%) Microsoft Excel
Cloud Services
1 56 (40.00%) AWS
2 19 (13.57%) Serverless
3 17 (12.14%) AWS Lambda
4 11 (7.86%) GCP
5 10 (7.14%) Azure
6 9 (6.43%) Virtual Private Cloud
7 8 (5.71%) Datadog
8 6 (4.29%) Amazon EC2
8 6 (4.29%) Amazon S3
9 5 (3.57%) PaaS
10 4 (2.86%) GitHub
10 4 (2.86%) IaaS
11 3 (2.14%) Amazon ELB
11 3 (2.14%) AWS CloudFormation
11 3 (2.14%) Cloud Computing
12 2 (1.43%) IBM Cloud
12 2 (1.43%) SoftLayer
13 1 (0.71%) Amazon CloudWatch
13 1 (0.71%) AWS IoT
13 1 (0.71%) Trello
Communications & Networking
1 11 (7.86%) Internet
2 9 (6.43%) Firewall
3 8 (5.71%) VPN
4 6 (4.29%) Network Security
5 2 (1.43%) SSH
6 1 (0.71%) HTTP
6 1 (0.71%) TCP/IP
Database & Business Intelligence
1 24 (17.14%) PostgreSQL
2 16 (11.43%) MongoDB
3 8 (5.71%) Amazon DynamoDB
4 7 (5.00%) MySQL
4 7 (5.00%) NoSQL
5 6 (4.29%) Amazon RDS
6 5 (3.57%) Redis
7 4 (2.86%) Relational Database
8 3 (2.14%) Hadoop
9 2 (1.43%) Data Mining
9 2 (1.43%) Data Warehouse
9 2 (1.43%) Oracle Database
9 2 (1.43%) SQL Server
10 1 (0.71%) Amazon Aurora
10 1 (0.71%) Apache Cassandra
10 1 (0.71%) Big Data
10 1 (0.71%) DB2
10 1 (0.71%) InfluxDB
10 1 (0.71%) RDBMS
10 1 (0.71%) SQL Server 2014
Development Applications
1 30 (21.43%) Git (software)
2 27 (19.29%) Jenkins
3 14 (10.00%) JIRA
4 10 (7.14%) Travis CI
5 9 (6.43%) CircleCI
5 9 (6.43%) Sonatype Nexus
6 5 (3.57%) Cucumber
6 5 (3.57%) Subversion
7 3 (2.14%) Atlassian Bamboo
7 3 (2.14%) RSpec
7 3 (2.14%) Selenium
8 2 (1.43%) Ant
8 2 (1.43%) ClearCase
8 2 (1.43%) Eclipse
8 2 (1.43%) Hudson
8 2 (1.43%) IntelliJ
8 2 (1.43%) Leiningen
8 2 (1.43%) Maven
8 2 (1.43%) Mercurial
8 2 (1.43%) Poseidon for UML
General
1 17 (12.14%) Finance
2 14 (10.00%) Public Sector
3 9 (6.43%) Advertising
4 6 (4.29%) Marketing
5 4 (2.86%) Banking
5 4 (2.86%) Games
5 4 (2.86%) Retail
6 1 (0.71%) Law
6 1 (0.71%) Publishing
6 1 (0.71%) Telecoms
Job Titles
1 52 (37.14%) Developer
2 30 (21.43%) DevOps Engineer
3 27 (19.29%) Ruby Developer
4 15 (10.71%) Ruby on Rails Developer
5 13 (9.29%) AWS DevOps
6 9 (6.43%) AWS Engineer
6 9 (6.43%) Software Engineer
7 8 (5.71%) Architect
7 8 (5.71%) AWS DevOps Engineer
7 8 (5.71%) Cloud Engineer
7 8 (5.71%) Ruby Engineer
8 6 (4.29%) Network Engineer
8 6 (4.29%) Network Security Engineer
8 6 (4.29%) Security Engineer
9 5 (3.57%) Java Developer
9 5 (3.57%) Penetration Tester
9 5 (3.57%) Python Developer
9 5 (3.57%) Senior Software Engineer
10 4 (2.86%) Linux Engineer
10 4 (2.86%) Systems Engineer
Libraries, Frameworks & Software Standards
1 36 (25.71%) Ruby on Rails
2 27 (19.29%) Node.js
3 24 (17.14%) Web Services
4 17 (12.14%) HTML
4 17 (12.14%) JSON
5 15 (10.71%) CSS
6 12 (8.57%) Redux
7 8 (5.71%) RESTful
8 6 (4.29%) ActiveMQ
8 6 (4.29%) Kafka
8 6 (4.29%) React
9 5 (3.57%) REST
10 4 (2.86%) .NET
10 4 (2.86%) jQuery
10 4 (2.86%) RabbitMQ
11 3 (2.14%) AngularJS
11 3 (2.14%) Django
11 3 (2.14%) iOS SDK
11 3 (2.14%) Spring
11 3 (2.14%) XML
Miscellaneous
1 13 (9.29%) Greenfield Project
2 5 (3.57%) Analytical Skills
2 5 (3.57%) User Experience
3 3 (2.14%) Enterprise Cloud
3 3 (2.14%) Linux Command Line
3 3 (2.14%) Marketing Technology
4 2 (1.43%) Cyberthreat
4 2 (1.43%) Data Centre
4 2 (1.43%) Derivative
4 2 (1.43%) Hybrid Cloud
4 2 (1.43%) Mobile App
4 2 (1.43%) Mobile Banking
4 2 (1.43%) Public Cloud
5 1 (0.71%) Blog
5 1 (0.71%) CMDB
5 1 (0.71%) iSeries
5 1 (0.71%) Mainframe
5 1 (0.71%) Management Information System
5 1 (0.71%) PKI
5 1 (0.71%) Tandem
Operating Systems
1 63 (45.00%) Linux
2 21 (15.00%) Red Hat Enterprise Linux
3 14 (10.00%) Windows
4 13 (9.29%) Ubuntu
5 8 (5.71%) Debian
5 8 (5.71%) Windows Server
6 7 (5.00%) Apple iOS
6 7 (5.00%) Mac OS X
7 6 (4.29%) Android
7 6 (4.29%) openSUSE
8 4 (2.86%) Unix
9 2 (1.43%) CentOS
9 2 (1.43%) Mac OS
Processes & Methodologies
1 77 (55.00%) Agile Software Development
2 54 (38.57%) DevOps
3 32 (22.86%) Continuous Integration
4 31 (22.14%) TDD
5 23 (16.43%) Continuous Delivery
6 20 (14.29%) Configuration Management
6 20 (14.29%) Scrum
6 20 (14.29%) Test Automation
7 16 (11.43%) Microservices
7 16 (11.43%) Open Source
8 13 (9.29%) ITIL
8 13 (9.29%) Kanban
9 12 (8.57%) Software Engineering
10 11 (7.86%) BDD
10 11 (7.86%) OWASP
10 11 (7.86%) Security Testing
11 10 (7.14%) Infrastructure as Code
12 9 (6.43%) Infrastructure Automation
12 9 (6.43%) OO
12 9 (6.43%) SDLC
Programming Languages
1 85 (60.71%) Python
2 50 (35.71%) Java
3 37 (26.43%) JavaScript
4 32 (22.86%) Go
5 29 (20.71%) Bash Shell
6 18 (12.86%) Perl
7 17 (12.14%) SQL
8 16 (11.43%) Scala
9 12 (8.57%) Groovy
10 8 (5.71%) PHP
11 7 (5.00%) C#
12 5 (3.57%) C++
13 4 (2.86%) Apple Swift
13 4 (2.86%) TypeScript
14 3 (2.14%) Kotlin
14 3 (2.14%) PL/SQL
14 3 (2.14%) PowerShell
14 3 (2.14%) T-SQL
15 2 (1.43%) Clojure
15 2 (1.43%) R
Qualifications
1 20 (14.29%) Security Cleared
2 12 (8.57%) AWS Certification
3 9 (6.43%) RHCE
4 8 (5.71%) SC Cleared
5 2 (1.43%) CHECK Team Member
5 2 (1.43%) Degree
5 2 (1.43%) DV Cleared
6 1 (0.71%) BC Cleared
Quality Assurance & Compliance
1 8 (5.71%) ISO/IEC 27001
1 8 (5.71%) NIST
2 6 (4.29%) COBIT
3 3 (2.14%) QA
4 2 (1.43%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
4 2 (1.43%) PCI DSS
4 2 (1.43%) SLA
5 1 (0.71%) GDPR
5 1 (0.71%) NCSC
System Software
1 20 (14.29%) Docker
2 4 (2.86%) Apache ZooKeeper
3 2 (1.43%) KVM
3 2 (1.43%) VMware Infrastructure
3 2 (1.43%) Xen
Systems Management
1 31 (22.14%) Kubernetes
2 26 (18.57%) Terraform
3 23 (16.43%) Opscode Chef
4 20 (14.29%) Puppet
5 18 (12.86%) Ansible
6 9 (6.43%) Suricata
7 6 (4.29%) Docker Swarm
7 6 (4.29%) Nessus
7 6 (4.29%) Rancher
8 5 (3.57%) HP Fortify
9 3 (2.14%) Salt
10 2 (1.43%) Graphite
11 1 (0.71%) Host Intrusion Detection System
11 1 (0.71%) Icinga
11 1 (0.71%) Matomo
11 1 (0.71%) Network Intrusion Detection System
11 1 (0.71%) Packer
Vendors
1 17 (12.14%) Red Hat
2 14 (10.00%) Qualys
3 12 (8.57%) Google
4 10 (7.14%) Splunk
5 7 (5.00%) Oracle
5 7 (5.00%) ServiceNow
6 6 (4.29%) Adobe
6 6 (4.29%) Facebook
6 6 (4.29%) SaltStack
7 5 (3.57%) Salesforce.com
8 4 (2.86%) Microsoft
9 3 (2.14%) Cloudera
9 3 (2.14%) Fortinet
9 3 (2.14%) IBM
10 2 (1.43%) Apple
10 2 (1.43%) Hortonworks
10 2 (1.43%) Sybase
10 2 (1.43%) Tableau
10 2 (1.43%) VMware
11 1 (0.71%) TOWER Software