Period
to 22 September 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 22 September 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
22 Sep 2019
Same period 2018 Same period 2017
Rank 104 93 114
Rank change year-on-year -11 +21 -51
Contract jobs citing Ruby 134 191 139
As % of all contract IT jobs advertised in the City of London 2.17% 2.76% 2.05%
As % of the Programming Languages category 4.42% 5.13% 3.99%
Number of daily rates quoted 112 151 112
City of London median daily rate £539 £525 £519
Median daily rate % change year-on-year +2.62% +1.20% +3.75%
10th Percentile £432 £413 £370
90th Percentile £736 £625 £613
Central London median daily rate £538 £525 £525
% change year-on-year +2.38% - +5.00%
Number of hourly rates quoted 0 3 0
City of London median hourly rate - £13.00 -
Central London median hourly rate - £13.00 -

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 3,034 3,723 3,484
As % of all contract IT jobs advertised in the City of London 49.21% 53.73% 51.37%
Number of daily rates quoted 2,473 3,115 2,816
City of London median daily rate £525 £525 £513
Median daily rate % change year-on-year - +2.44% +7.89%
10th Percentile £400 £375 £363
90th Percentile £675 £688 £675
Central London median daily rate £525 £525 £500
% change year-on-year - +5.00% +10.38%
Number of hourly rates quoted 17 14 9
City of London median hourly rate £22.33 £22.00 £21.50
Median hourly rate % change year-on-year +1.50% +2.33% -21.82%
10th Percentile £21.00 £12.50 £12.74
90th Percentile £57.60 £54.88 £32.30
Central London median hourly rate £22.33 £22.00 £21.50
% change year-on-year +1.50% +2.33% -21.82%

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 22 September 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 22 September 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 0 2 £508 -5.14%
Ruby
Central London

For the 6 months to 22 September 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 79 (58.96%) Python
2 76 (56.72%) Agile Software Development
3 64 (47.76%) Linux
4 52 (38.81%) Java
5 51 (38.06%) AWS
6 49 (36.57%) DevOps
7 43 (32.09%) JavaScript
8 35 (26.12%) TDD
8 35 (26.12%) Continuous Integration
9 31 (23.13%) Node.js
10 30 (22.39%) Go
11 29 (21.64%) Ruby on Rails
12 28 (20.90%) Bash Shell
12 28 (20.90%) SQL
13 27 (20.15%) Git (software)
14 26 (19.40%) Security Cleared
14 26 (19.40%) Jenkins
14 26 (19.40%) Kubernetes
15 25 (18.66%) Docker
16 24 (17.91%) Continuous Delivery
16 24 (17.91%) PostgreSQL
16 24 (17.91%) Scrum
17 22 (16.42%) Finance
17 22 (16.42%) Red Hat Enterprise Linux
17 22 (16.42%) Terraform
18 21 (15.67%) Opscode Chef
18 21 (15.67%) JSON
18 21 (15.67%) Puppet
19 20 (14.93%) HTML
20 19 (14.18%) Web Services

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 9 (6.72%) Elasticsearch
2 8 (5.97%) nginx
3 6 (4.48%) Confluence
4 4 (2.99%) Apache
5 3 (2.24%) IIS
5 3 (2.24%) Jetty
5 3 (2.24%) Tomcat
6 2 (1.49%) Apache Spark
6 2 (1.49%) JBoss
6 2 (1.49%) OpenStack
6 2 (1.49%) Oracle Self-Service HR
6 2 (1.49%) WebLogic
7 1 (0.75%) Cloud Foundry
7 1 (0.75%) CMS
7 1 (0.75%) Mongrel
7 1 (0.75%) SharePoint
7 1 (0.75%) Sitecore CMS
7 1 (0.75%) WebSphere
Applications
1 2 (1.49%) Microsoft Excel
Cloud Services
1 51 (38.06%) AWS
2 13 (9.70%) Azure
3 10 (7.46%) GCP
3 10 (7.46%) Serverless
4 9 (6.72%) AWS Lambda
5 8 (5.97%) Datadog
5 8 (5.97%) Virtual Private Cloud
6 6 (4.48%) Amazon EC2
6 6 (4.48%) Amazon S3
7 5 (3.73%) AWS CloudFormation
8 4 (2.99%) OpenShift
8 4 (2.99%) Trello
9 3 (2.24%) Amazon ELB
9 3 (2.24%) Cloud Computing
9 3 (2.24%) GitHub
10 2 (1.49%) IaaS
10 2 (1.49%) PaaS
11 1 (0.75%) Amazon SQS
11 1 (0.75%) Heroku
11 1 (0.75%) Rackspace Cloud
Communications & Networking
1 10 (7.46%) Internet
2 8 (5.97%) Firewall
2 8 (5.97%) VPN
3 2 (1.49%) HTTP
3 2 (1.49%) SSH
4 1 (0.75%) DNS
4 1 (0.75%) Network Security
4 1 (0.75%) TCP/IP
Database & Business Intelligence
1 24 (17.91%) PostgreSQL
2 15 (11.19%) MongoDB
3 11 (8.21%) NoSQL
4 9 (6.72%) Amazon DynamoDB
5 7 (5.22%) MySQL
6 6 (4.48%) Amazon RDS
7 4 (2.99%) Redis
8 3 (2.24%) Hadoop
8 3 (2.24%) Relational Database
8 3 (2.24%) SQL Server
9 2 (1.49%) Data Warehouse
9 2 (1.49%) Oracle Database
10 1 (0.75%) Amazon Aurora
10 1 (0.75%) Big Data
10 1 (0.75%) Blockchain
10 1 (0.75%) RDBMS
10 1 (0.75%) SQL Server 2014
Development Applications
1 27 (20.15%) Git (software)
2 26 (19.40%) Jenkins
3 14 (10.45%) JIRA
4 9 (6.72%) Sonatype Nexus
5 6 (4.48%) CircleCI
6 5 (3.73%) Cucumber
6 5 (3.73%) Subversion
7 4 (2.99%) Selenium
7 4 (2.99%) Travis CI
8 3 (2.24%) Ant
8 3 (2.24%) Bundler
8 3 (2.24%) git-flow
8 3 (2.24%) Maven
8 3 (2.24%) Mercurial
8 3 (2.24%) RubyGems
8 3 (2.24%) Vagrant
9 2 (1.49%) FishEye
9 2 (1.49%) Gradle
9 2 (1.49%) Hudson
9 2 (1.49%) Poseidon for UML
General
1 22 (16.42%) Finance
2 15 (11.19%) Public Sector
3 4 (2.99%) Advertising
4 3 (2.24%) Banking
5 1 (0.75%) Games
5 1 (0.75%) Law
5 1 (0.75%) Telecoms
Job Titles
1 46 (34.33%) Developer
2 33 (24.63%) Ruby Developer
3 30 (22.39%) DevOps Engineer
4 19 (14.18%) Architect
5 10 (7.46%) Technical Architect
6 9 (6.72%) AWS DevOps
7 7 (5.22%) Cloud Engineer
8 6 (4.48%) AWS Engineer
8 6 (4.48%) Linux Engineer
8 6 (4.48%) Penetration Tester
8 6 (4.48%) Ruby on Rails Developer
8 6 (4.48%) Senior Developer
8 6 (4.48%) Tester
9 5 (3.73%) AWS DevOps Engineer
9 5 (3.73%) Consultant
9 5 (3.73%) Senior Architect
9 5 (3.73%) Senior Technical Architect
10 4 (2.99%) Linux DevOps Engineer
10 4 (2.99%) Ruby Engineer
10 4 (2.99%) Senior Ruby Developer
Libraries, Frameworks & Software Standards
1 31 (23.13%) Node.js
2 29 (21.64%) Ruby on Rails
3 21 (15.67%) JSON
4 20 (14.93%) HTML
5 19 (14.18%) Web Services
6 17 (12.69%) CSS
7 13 (9.70%) RESTful
8 11 (8.21%) React
9 5 (3.73%) ActiveMQ
9 5 (3.73%) Play Framework
10 4 (2.99%) HATEOAS
10 4 (2.99%) jQuery
10 4 (2.99%) JSON Schema
10 4 (2.99%) Kafka
10 4 (2.99%) OAuth
10 4 (2.99%) Spring
10 4 (2.99%) Swagger
11 3 (2.24%) .NET
11 3 (2.24%) AngularJS
11 3 (2.24%) RabbitMQ
Miscellaneous
1 11 (8.21%) Greenfield Project
2 4 (2.99%) Enterprise Cloud
3 3 (2.24%) Public Cloud
3 3 (2.24%) User Experience
4 2 (1.49%) Analytical Skills
4 2 (1.49%) Cloud Native
4 2 (1.49%) Cyberthreat
4 2 (1.49%) Derivative
4 2 (1.49%) Hybrid Cloud
4 2 (1.49%) Mobile Banking
4 2 (1.49%) Self-Motivation
5 1 (0.75%) Blog
5 1 (0.75%) CMDB
5 1 (0.75%) Data Centre
5 1 (0.75%) iSeries
5 1 (0.75%) Mainframe
5 1 (0.75%) Management Information System
5 1 (0.75%) Mobile App
Operating Systems
1 64 (47.76%) Linux
2 22 (16.42%) Red Hat Enterprise Linux
3 14 (10.45%) Windows
4 13 (9.70%) Ubuntu
5 10 (7.46%) Mac OS X
6 9 (6.72%) Debian
7 8 (5.97%) Windows Server
8 6 (4.48%) CentOS
8 6 (4.48%) openSUSE
8 6 (4.48%) Unix
9 2 (1.49%) Android
9 2 (1.49%) Apple iOS
9 2 (1.49%) Mac OS
10 1 (0.75%) Fedora
10 1 (0.75%) FreeBSD
Processes & Methodologies
1 76 (56.72%) Agile Software Development
2 49 (36.57%) DevOps
3 35 (26.12%) Continuous Integration
3 35 (26.12%) TDD
4 24 (17.91%) Continuous Delivery
4 24 (17.91%) Scrum
5 19 (14.18%) Test Automation
6 18 (13.43%) Open Source
7 17 (12.69%) Configuration Management
8 14 (10.45%) Microservices
8 14 (10.45%) Web Development
9 13 (9.70%) ITIL
10 12 (8.96%) OWASP
11 11 (8.21%) Kanban
12 10 (7.46%) Infrastructure Automation
13 9 (6.72%) Stakeholder Engagement
14 8 (5.97%) BDD
14 8 (5.97%) Front End Development
14 8 (5.97%) Infrastructure as Code
14 8 (5.97%) Runbook
Programming Languages
1 79 (58.96%) Python
2 52 (38.81%) Java
3 43 (32.09%) JavaScript
4 30 (22.39%) Go
5 28 (20.90%) Bash Shell
5 28 (20.90%) SQL
6 18 (13.43%) Perl
7 12 (8.96%) Scala
8 9 (6.72%) Groovy
9 8 (5.97%) PHP
10 5 (3.73%) C#
10 5 (3.73%) PL/SQL
11 4 (2.99%) PowerShell
12 3 (2.24%) C++
12 3 (2.24%) T-SQL
13 2 (1.49%) Clojure
13 2 (1.49%) ClojureScript
13 2 (1.49%) Shell Script
13 2 (1.49%) TypeScript
13 2 (1.49%) VBA
Qualifications
1 26 (19.40%) Security Cleared
2 14 (10.45%) SC Cleared
3 11 (8.21%) AWS Certification
4 9 (6.72%) RHCE
5 3 (2.24%) DV Cleared
6 2 (1.49%) BPSS Clearance
6 2 (1.49%) CHECK Team Member
7 1 (0.75%) Computer Science Degree
7 1 (0.75%) CTC Cleared
7 1 (0.75%) DBS Check
7 1 (0.75%) Degree
Quality Assurance & Compliance
1 8 (5.97%) ISO/IEC 27001
1 8 (5.97%) NIST
2 6 (4.48%) COBIT
3 2 (1.49%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
3 2 (1.49%) PCI DSS
3 2 (1.49%) SLA
4 1 (0.75%) GDPR
4 1 (0.75%) QA
System Software
1 25 (18.66%) Docker
2 3 (2.24%) Apache ZooKeeper
2 3 (2.24%) KVM
2 3 (2.24%) VMware Infrastructure
2 3 (2.24%) Xen
3 1 (0.75%) etcd
3 1 (0.75%) Varnish
3 1 (0.75%) VirtualBox
Systems Management
1 26 (19.40%) Kubernetes
2 22 (16.42%) Terraform
3 21 (15.67%) Opscode Chef
3 21 (15.67%) Puppet
4 17 (12.69%) Ansible
5 9 (6.72%) Suricata
6 6 (4.48%) Nessus
7 5 (3.73%) HP Fortify
8 4 (2.99%) Docker Swarm
8 4 (2.99%) Rancher
9 3 (2.24%) Packer
9 3 (2.24%) Salt
10 2 (1.49%) Consul
10 2 (1.49%) Grafana
11 1 (0.75%) Graphite
11 1 (0.75%) Host Intrusion Detection System
11 1 (0.75%) Mesos
11 1 (0.75%) Network Intrusion Detection System
11 1 (0.75%) Prometheus
11 1 (0.75%) Rundeck
Vendors
1 16 (11.94%) Red Hat
2 14 (10.45%) Qualys
3 10 (7.46%) Splunk
4 7 (5.22%) Oracle
4 7 (5.22%) ServiceNow
5 6 (4.48%) Adobe
5 6 (4.48%) Microsoft
6 5 (3.73%) Salesforce.com
7 4 (2.99%) Google
7 4 (2.99%) SaltStack
8 3 (2.24%) Cloudera
8 3 (2.24%) VMware
9 2 (1.49%) Hortonworks
9 2 (1.49%) Sybase
10 1 (0.75%) Perforce
10 1 (0.75%) Rackspace
10 1 (0.75%) Sitecore
10 1 (0.75%) Tableau
10 1 (0.75%) TOWER Software
10 1 (0.75%) Veracode