Period
to 21 October 2019

The following table provides summary statistics for contract job vacancies advertised in 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 21 October 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
England > London
6 months to
21 Oct 2019
Same period 2018 Same period 2017
Rank 121 143 113
Rank change year-on-year +22 -30 -38
Contract jobs citing Ruby 823 923 1,113
As % of all contract IT jobs advertised in London 2.23% 2.02% 2.47%
As % of the Programming Languages category 4.69% 4.01% 5.11%
Number of daily rates quoted 620 670 864
London median daily rate £550 £550 £524
Median daily rate % change year-on-year - +4.96% +4.80%
10th Percentile £413 £425 £399
90th Percentile £725 £675 £638
England median daily rate £530 £525 £500
% change year-on-year +0.95% +5.00% +5.26%
Number of hourly rates quoted 6 1 1
London median hourly rate £26.50 £13.00 £40.00
Median hourly rate % change year-on-year +103.85% -67.50% -
England median hourly rate £26.50 £35.00 £29.65
% change year-on-year -24.29% +18.05% +196.48%

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 London with a requirement for coding skills.

All Programming Languages
London
Contract vacancies with a requirement for coding skills 17,563 23,026 21,790
As % of all contract IT jobs advertised in London 47.67% 50.33% 48.35%
Number of daily rates quoted 13,318 17,509 16,418
London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +9.59%
10th Percentile £363 £363 £350
90th Percentile £694 £675 £663
England median daily rate £488 £475 £450
% change year-on-year +2.63% +5.56% +5.88%
Number of hourly rates quoted 121 124 136
London median hourly rate £45.00 £39.00 £36.67
Median hourly rate % change year-on-year +15.38% +6.37% +12.82%
10th Percentile £21.00 £18.18 £17.88
90th Percentile £55.50 £62.81 £51.00
England median hourly rate £44.00 £42.27 £40.00
% change year-on-year +4.11% +5.66% +6.67%

Ruby
Job Vacancy Trend in London

Job postings citing Ruby as a percentage of all IT jobs advertised in London.

Job vacancy trend for Ruby in London

Ruby
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Ruby in London

Ruby
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Ruby in London over the 6 months to 21 October 2019.

Contractor daily rate histogram for Ruby in London

Ruby
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for Ruby in London

Ruby
Contract Job Locations in 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 London region over the 6 months to 21 October 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
Central London -8 173 £550 - 103
East London +48 42 £550 - 20
West London +4 17 £450 -13.04% 43
South London +27 10 £550 +15.79% 8
North London - 1 £603 - 3
Ruby
England

For the 6 months to 21 October 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 London region with a requirement for Ruby.

1 481 (58.44%) Python
2 414 (50.30%) Agile Software Development
3 315 (38.27%) DevOps
4 309 (37.55%) AWS
5 296 (35.97%) Java
6 290 (35.24%) Linux
7 257 (31.23%) Ruby on Rails
8 253 (30.74%) JavaScript
9 210 (25.52%) TDD
10 177 (21.51%) Continuous Integration
11 170 (20.66%) Jenkins
12 168 (20.41%) Docker
13 163 (19.81%) Test Automation
14 160 (19.44%) Git (software)
15 158 (19.20%) Bash Shell
16 157 (19.08%) Go
17 151 (18.35%) Terraform
18 144 (17.50%) Opscode Chef
19 139 (16.89%) Scrum
20 137 (16.65%) HTML
21 129 (15.67%) Kubernetes
22 127 (15.43%) Perl
22 127 (15.43%) Node.js
23 117 (14.22%) PostgreSQL
24 116 (14.09%) CSS
25 114 (13.85%) Puppet
26 110 (13.37%) SQL
26 110 (13.37%) Finance
27 108 (13.12%) Continuous Delivery
28 107 (13.00%) Security Cleared

Ruby
Co-occurring IT Skills in 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 47 (5.71%) Elasticsearch
2 31 (3.77%) Confluence
3 20 (2.43%) nginx
4 18 (2.19%) Tomcat
5 16 (1.94%) Apache Spark
6 12 (1.46%) Apache
7 11 (1.34%) Cloud Foundry
8 10 (1.22%) IIS
9 8 (0.97%) Jetty
10 7 (0.85%) JBoss
10 7 (0.85%) Mattermost
10 7 (0.85%) OpenStack
10 7 (0.85%) WebLogic
11 6 (0.73%) Oracle Self-Service HR
12 5 (0.61%) WebSphere
13 4 (0.49%) SharePoint
14 3 (0.36%) Drupal
14 3 (0.36%) Umbraco
15 2 (0.24%) CMS
15 2 (0.24%) ColdFusion
Applications
1 4 (0.49%) Microsoft Excel
2 2 (0.24%) Microsoft Office
Business Applications
1 6 (0.73%) Magento
2 2 (0.24%) Payment Gateway
2 2 (0.24%) SAP Oil and Gas
3 1 (0.12%) Distributed Ledger
3 1 (0.12%) NetSuite
3 1 (0.12%) Sparx Enterprise Architect
Cloud Services
1 309 (37.55%) AWS
2 86 (10.45%) Azure
3 63 (7.65%) AWS CloudFormation
4 62 (7.53%) GCP
5 46 (5.59%) Serverless
6 44 (5.35%) Datadog
7 43 (5.22%) Amazon CloudWatch
8 34 (4.13%) PaaS
9 33 (4.01%) GitHub
10 32 (3.89%) AWS Lambda
11 28 (3.40%) IaaS
12 22 (2.67%) Amazon S3
13 20 (2.43%) Amazon EC2
13 20 (2.43%) OpenShift
14 19 (2.31%) Amazon ECS
15 17 (2.07%) Trello
16 16 (1.94%) Amazon EKS
17 15 (1.82%) Cloud Computing
18 14 (1.70%) Heroku
19 13 (1.58%) Virtual Private Cloud
Communications & Networking
1 32 (3.89%) HTTP
2 28 (3.40%) Internet
3 24 (2.92%) Firewall
4 19 (2.31%) TCP/IP
4 19 (2.31%) VPN
5 15 (1.82%) DNS
6 11 (1.34%) SSL
7 6 (0.73%) SSH
8 5 (0.61%) DHCP
9 3 (0.36%) Network Security
10 2 (0.24%) DMZ
10 2 (0.24%) Extranet
10 2 (0.24%) Intranet
10 2 (0.24%) IPv4
10 2 (0.24%) IPv6
10 2 (0.24%) PPP
10 2 (0.24%) SMTP
10 2 (0.24%) UPnP
10 2 (0.24%) VoIP
10 2 (0.24%) xDSL
Database & Business Intelligence
1 117 (14.22%) PostgreSQL
2 76 (9.23%) MySQL
3 67 (8.14%) MongoDB
4 52 (6.32%) NoSQL
5 35 (4.25%) Relational Database
6 31 (3.77%) Big Data
7 30 (3.65%) Amazon DynamoDB
8 20 (2.43%) Redis
9 18 (2.19%) Hadoop
10 16 (1.94%) Amazon RDS
11 9 (1.09%) RDBMS
11 9 (1.09%) SQL Server
12 7 (0.85%) Data Mining
12 7 (0.85%) Neo4j
13 6 (0.73%) Blockchain
13 6 (0.73%) Oracle Database
14 5 (0.61%) Amazon Athena
14 5 (0.61%) Apache Cassandra
15 4 (0.49%) Apache Ignite
15 4 (0.49%) Flink
Development Applications
1 170 (20.66%) Jenkins
2 160 (19.44%) Git (software)
3 103 (12.52%) JIRA
4 54 (6.56%) Sonatype Nexus
5 34 (4.13%) Cucumber
6 29 (3.52%) Selenium
7 21 (2.55%) CircleCI
8 18 (2.19%) Capybara
8 18 (2.19%) RSpec
9 16 (1.94%) Vagrant
10 15 (1.82%) gulp
10 15 (1.82%) Subversion
11 13 (1.58%) Atlassian Bamboo
12 12 (1.46%) Babel
12 12 (1.46%) Maven
12 12 (1.46%) TeamCity
12 12 (1.46%) webpack
13 11 (1.34%) Gradle
14 10 (1.22%) Travis CI
15 9 (1.09%) SonarQube
General
1 110 (13.37%) Finance
2 84 (10.21%) Public Sector
3 21 (2.55%) Banking
4 7 (0.85%) Advertising
5 6 (0.73%) Marketing
5 6 (0.73%) Retail
6 5 (0.61%) Legal
6 5 (0.61%) Telecoms
7 4 (0.49%) Financial Institution
7 4 (0.49%) Games
7 4 (0.49%) Law
8 3 (0.36%) Investment Banking
8 3 (0.36%) Publishing
9 2 (0.24%) Aerospace
9 2 (0.24%) Retail Banking
10 1 (0.12%) Automotive
10 1 (0.12%) Back Office
10 1 (0.12%) Billing
10 1 (0.12%) Electronics
10 1 (0.12%) Manufacturing
Job Titles
1 391 (47.51%) Developer
2 161 (19.56%) DevOps Engineer
2 161 (19.56%) Ruby Developer
3 78 (9.48%) Ruby on Rails Developer
4 76 (9.23%) Architect
5 62 (7.53%) Cloud Engineer
6 48 (5.83%) AWS Engineer
7 44 (5.35%) Java Developer
8 42 (5.10%) Python Developer
9 38 (4.62%) AWS DevOps
10 36 (4.37%) Front End Developer (Client-Side Developer)
11 35 (4.25%) Technical Architect
12 32 (3.89%) AWS DevOps Engineer
13 31 (3.77%) Senior Developer
14 30 (3.65%) Full Stack Developer
15 27 (3.28%) Ruby Engineer
16 19 (2.31%) Software Developer
17 18 (2.19%) Software Engineer
18 17 (2.07%) Enterprise Architect
19 16 (1.94%) Tester
Libraries, Frameworks & Software Standards
1 257 (31.23%) Ruby on Rails
2 137 (16.65%) HTML
3 127 (15.43%) Node.js
4 116 (14.09%) CSS
5 80 (9.72%) Web Services
6 78 (9.48%) JSON
7 69 (8.38%) RESTful
8 54 (6.56%) React
9 50 (6.08%) HTML5
10 42 (5.10%) Redux
11 41 (4.98%) REST
12 40 (4.86%) jQuery
13 35 (4.25%) Spring
14 33 (4.01%) Kafka
14 33 (4.01%) Vue.js
15 32 (3.89%) CSS3
16 26 (3.16%) Django
17 24 (2.92%) .NET
18 23 (2.79%) Sass
19 21 (2.55%) GraphQL
Miscellaneous
1 47 (5.71%) Greenfield Project
2 36 (4.37%) User Experience
3 35 (4.25%) Data Centre
4 24 (2.92%) Enterprise Cloud
5 18 (2.19%) Mobile App
5 18 (2.19%) Public Cloud
6 14 (1.70%) Analytical Skills
7 12 (1.46%) Linux Command Line
8 7 (0.85%) Algorithms
8 7 (0.85%) Enterprise Software
9 6 (0.73%) Blog
9 6 (0.73%) Cyberthreat
9 6 (0.73%) Derivative
10 5 (0.61%) Cloud Native
10 5 (0.61%) Embedded Systems
10 5 (0.61%) Replication
11 4 (0.49%) Hybrid Cloud
11 4 (0.49%) Mobile Banking
11 4 (0.49%) Music Streaming
12 3 (0.36%) Video on Demand
Operating Systems
1 290 (35.24%) Linux
2 101 (12.27%) Red Hat Enterprise Linux
3 68 (8.26%) Unix
4 49 (5.95%) Windows
5 34 (4.13%) Mac OS
6 31 (3.77%) Ubuntu
7 26 (3.16%) Mac OS X
8 19 (2.31%) Debian
9 18 (2.19%) Windows Server
10 17 (2.07%) CentOS
11 16 (1.94%) Android
12 11 (1.34%) openSUSE
13 10 (1.22%) Apple iOS
14 3 (0.36%) Windows Server 2008
15 2 (0.24%) Fedora
15 2 (0.24%) Windows 10
15 2 (0.24%) Windows Server 2012
16 1 (0.12%) Amazon Linux
16 1 (0.12%) CoreOS
16 1 (0.12%) Windows Server 2003
Processes & Methodologies
1 414 (50.30%) Agile Software Development
2 315 (38.27%) DevOps
3 210 (25.52%) TDD
4 177 (21.51%) Continuous Integration
5 163 (19.81%) Test Automation
6 139 (16.89%) Scrum
7 108 (13.12%) Continuous Delivery
8 98 (11.91%) Configuration Management
9 89 (10.81%) Microservices
10 86 (10.45%) Kanban
11 84 (10.21%) Infrastructure as Code
12 76 (9.23%) Migration
13 74 (8.99%) Open Source
14 65 (7.90%) Front End Development
15 59 (7.17%) BDD
15 59 (7.17%) Software Engineering
16 55 (6.68%) ITIL
17 48 (5.83%) Problem-Solving
18 40 (4.86%) High Availability
19 38 (4.62%) Continuous Deployment
Programming Languages
1 481 (58.44%) Python
2 296 (35.97%) Java
3 253 (30.74%) JavaScript
4 158 (19.20%) Bash Shell
5 157 (19.08%) Go
6 127 (15.43%) Perl
7 110 (13.37%) SQL
8 63 (7.65%) Scala
9 50 (6.08%) Shell Script
10 40 (4.86%) Groovy
11 39 (4.74%) PHP
12 38 (4.62%) C#
12 38 (4.62%) C++
13 33 (4.01%) PowerShell
14 25 (3.04%) PL/SQL
15 23 (2.79%) TypeScript
16 21 (2.55%) ES6
17 20 (2.43%) Java 8
18 16 (1.94%) Clojure
19 13 (1.58%) C
Qualifications
1 107 (13.00%) Security Cleared
2 47 (5.71%) SC Cleared
3 35 (4.25%) AWS Certification
4 32 (3.89%) Degree
5 29 (3.52%) RHCE
6 28 (3.40%) BPSS Clearance
7 12 (1.46%) DBS Check
8 11 (1.34%) Computer Science Degree
9 8 (0.97%) CTC Cleared
10 7 (0.85%) DV Cleared
11 4 (0.49%) CHECK Team Member
12 3 (0.36%) BC Cleared
12 3 (0.36%) Master's Degree
12 3 (0.36%) PMI Certification
13 2 (0.24%) CISA
13 2 (0.24%) Cisco Certification
13 2 (0.24%) CISM
13 2 (0.24%) CISSP
13 2 (0.24%) GIAC
13 2 (0.24%) ISEB
Quality Assurance & Compliance
1 35 (4.25%) QA
2 17 (2.07%) ISO/IEC 27001
2 17 (2.07%) NIST
3 16 (1.94%) PCI DSS
4 14 (1.70%) GDPR
5 11 (1.34%) COBIT
6 7 (0.85%) Disclosure Scotland
7 6 (0.73%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 6 (0.73%) WCAG
8 4 (0.49%) SLA
9 1 (0.12%) HIPAA
9 1 (0.12%) Sarbanes-Oxley
System Software
1 168 (20.41%) Docker
2 10 (1.22%) VMware Infrastructure
3 5 (0.61%) Xen
4 4 (0.49%) Apache Flume
4 4 (0.49%) HDFS
4 4 (0.49%) KVM
4 4 (0.49%) Virtual Machines
5 3 (0.36%) Active Directory
5 3 (0.36%) Apache ZooKeeper
6 2 (0.24%) VirtualBox
6 2 (0.24%) vSphere
6 2 (0.24%) XenApp
6 2 (0.24%) XenDesktop
7 1 (0.12%) etcd
7 1 (0.12%) Hyper-V
7 1 (0.12%) LXC
7 1 (0.12%) NFS
7 1 (0.12%) Varnish
7 1 (0.12%) VMware ESXi
Systems Management
1 151 (18.35%) Terraform
2 144 (17.50%) Opscode Chef
3 129 (15.67%) Kubernetes
4 114 (13.85%) Puppet
5 105 (12.76%) Ansible
6 36 (4.37%) Salt
7 28 (3.40%) Suricata
8 11 (1.34%) Nessus
9 7 (0.85%) Docker Swarm
9 7 (0.85%) HP Fortify
10 6 (0.73%) Packer
10 6 (0.73%) Rancher
11 4 (0.49%) Nagios
12 3 (0.36%) Consul
12 3 (0.36%) Host Intrusion Detection System
12 3 (0.36%) Kibana
12 3 (0.36%) logstash
12 3 (0.36%) Matomo
12 3 (0.36%) Mesos
12 3 (0.36%) Network Intrusion Detection System
Vendors
1 86 (10.45%) Red Hat
2 52 (6.32%) Google
3 43 (5.22%) Splunk
4 36 (4.37%) Qualys
5 29 (3.52%) Oracle
6 17 (2.07%) Microsoft
6 17 (2.07%) VMware
7 16 (1.94%) ServiceNow
8 15 (1.82%) SaltStack
9 12 (1.46%) Adobe
10 8 (0.97%) Cloudera
10 8 (0.97%) SAP
11 7 (0.85%) Hortonworks
11 7 (0.85%) Lets Encrypt
11 7 (0.85%) Salesforce.com
12 6 (0.73%) Cisco
12 6 (0.73%) New Relic
12 6 (0.73%) Sybase
12 6 (0.73%) Tableau
13 5 (0.61%) AppDynamics