Period
to 16 February 2020

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 16 February 2020 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
16 Feb 2020
Same period 2019 Same period 2018
Rank 108 136 95
Rank change year-on-year +28 -41 -8
Contract jobs citing Ruby 668 895 1,204
As % of all contract IT jobs advertised in London 2.36% 2.05% 2.57%
As % of the Programming Languages category 5.00% 4.13% 5.38%
Number of daily rates quoted 488 654 962
London median daily rate £550 £550 £525
Median daily rate % change year-on-year - +4.76% +10.53%
10th Percentile £413 £425 £400
90th Percentile £700 £675 £675
England median daily rate £525 £525 £500
% change year-on-year - +5.00% +8.11%
Number of hourly rates quoted 3 0 1
London median hourly rate £35.00 - £35.00
England median hourly rate £35.00 £62.50 £35.00
% change year-on-year -44.00% +78.57% -

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 13,368 21,657 22,361
As % of all contract IT jobs advertised in London 47.22% 49.51% 47.72%
Number of daily rates quoted 9,844 16,406 17,163
London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +5.26%
10th Percentile £369 £363 £350
90th Percentile £694 £675 £675
England median daily rate £488 £485 £475
% change year-on-year +0.52% +2.11% +11.76%
Number of hourly rates quoted 113 114 174
London median hourly rate £40.00 £36.67 £33.27
Median hourly rate % change year-on-year +9.08% +10.22% -20.79%
10th Percentile £19.20 £18.77 £17.75
90th Percentile £63.75 £53.75 £55.40
England median hourly rate £42.50 £42.50 £40.00
% change year-on-year - +6.25% -

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 16 February 2020.

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 16 February 2020. 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 +61 167 £550 - 117
South London +24 15 £550 - 3
West London +14 8 £428 -17.39% 37
East London +46 3 £563 +7.14% 18
North London - 1 £603 - 4
Ruby
England

For the 6 months to 16 February 2020, 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.

1 347 (51.95%) Agile Software Development
2 294 (44.01%) Python
3 281 (42.07%) Ruby on Rails
4 243 (36.38%) DevOps
5 237 (35.48%) JavaScript
6 205 (30.69%) Java
7 201 (30.09%) AWS
8 188 (28.14%) Linux
9 159 (23.80%) TDD
10 156 (23.35%) Git (software)
11 129 (19.31%) Go
12 128 (19.16%) Continuous Integration
13 126 (18.86%) CSS
13 126 (18.86%) HTML
14 124 (18.56%) Docker
15 121 (18.11%) Test Automation
16 110 (16.47%) Terraform
17 109 (16.32%) Kubernetes
18 104 (15.57%) PostgreSQL
19 94 (14.07%) Jenkins
20 87 (13.02%) Ansible
21 86 (12.87%) SQL
22 83 (12.43%) Bash Shell
22 83 (12.43%) Microservices
23 78 (11.68%) Puppet
23 78 (11.68%) Scrum
24 76 (11.38%) Open Source
25 74 (11.08%) Public Sector
26 73 (10.93%) Continuous Delivery
27 72 (10.78%) Opscode Chef

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 46 (6.89%) Elasticsearch
2 18 (2.69%) Tomcat
3 16 (2.40%) Apache Spark
3 16 (2.40%) Confluence
4 12 (1.80%) nginx
5 11 (1.65%) Apache
6 10 (1.50%) OpenStack
7 8 (1.20%) IIS
7 8 (1.20%) WebSphere
8 6 (0.90%) Mattermost
9 5 (0.75%) SharePoint
10 4 (0.60%) Cloud Foundry
10 4 (0.60%) WebLogic
11 3 (0.45%) CMS
11 3 (0.45%) JBoss
12 2 (0.30%) Jetty
13 1 (0.15%) Mongrel
13 1 (0.15%) Oracle Self-Service HR
13 1 (0.15%) SharePoint 2013
Applications
1 1 (0.15%) Chatbot
Business Applications
1 4 (0.60%) Payment Gateway
2 1 (0.15%) Dynamics CRM
2 1 (0.15%) Dynamics NAV
2 1 (0.15%) Magento
2 1 (0.15%) NetSuite
2 1 (0.15%) Oracle EBS
Cloud Services
1 201 (30.09%) AWS
2 67 (10.03%) GitHub
3 56 (8.38%) Azure
4 54 (8.08%) GCP
5 43 (6.44%) Serverless
6 34 (5.09%) AWS Lambda
7 32 (4.79%) PaaS
8 19 (2.84%) IaaS
9 18 (2.69%) Amazon CloudWatch
10 17 (2.54%) Amazon EC2
10 17 (2.54%) Amazon S3
10 17 (2.54%) AWS CloudFormation
10 17 (2.54%) Route 53
11 16 (2.40%) Cloud Computing
12 15 (2.25%) SaaS
13 14 (2.10%) Amazon EKS
13 14 (2.10%) Heroku
14 12 (1.80%) Datadog
15 10 (1.50%) OpenShift
15 10 (1.50%) Virtual Private Cloud
Communications & Networking
1 44 (6.59%) HTTP
2 22 (3.29%) DNS
3 21 (3.14%) Firewall
3 21 (3.14%) TCP/IP
4 20 (2.99%) SSL
5 15 (2.25%) Internet
6 12 (1.80%) VPN
7 6 (0.90%) Kerberos
7 6 (0.90%) Network Security
8 4 (0.60%) HTTPS
9 3 (0.45%) Skype
9 3 (0.45%) SMTP
10 2 (0.30%) DHCP
10 2 (0.30%) IPv4
10 2 (0.30%) Multicast
10 2 (0.30%) OpenFlow
10 2 (0.30%) PPP
10 2 (0.30%) SNMP
10 2 (0.30%) Software-Defined Networking
10 2 (0.30%) VoIP
Database & Business Intelligence
1 104 (15.57%) PostgreSQL
2 50 (7.49%) MySQL
3 41 (6.14%) MongoDB
4 34 (5.09%) NoSQL
5 24 (3.59%) Redis
6 23 (3.44%) Relational Database
6 23 (3.44%) SQL Server
7 21 (3.14%) Big Data
8 13 (1.95%) Hadoop
9 11 (1.65%) Amazon RDS
10 9 (1.35%) Amazon DynamoDB
10 9 (1.35%) Apache Cassandra
10 9 (1.35%) Data Warehouse
11 6 (0.90%) Data Mining
11 6 (0.90%) RDBMS
12 5 (0.75%) Apache Hive
12 5 (0.75%) Data Lake
12 5 (0.75%) HBase
12 5 (0.75%) Sqoop
13 4 (0.60%) Apache Ignite
Development Applications
1 156 (23.35%) Git (software)
2 94 (14.07%) Jenkins
3 62 (9.28%) JIRA
4 48 (7.19%) RSpec
5 36 (5.39%) Travis CI
6 18 (2.69%) Sonatype Nexus
7 17 (2.54%) CircleCI
8 15 (2.25%) Subversion
9 14 (2.10%) Cucumber
10 13 (1.95%) Selenium
11 9 (1.35%) Artifactory
11 9 (1.35%) gulp
11 9 (1.35%) TeamCity
12 6 (0.90%) Atlassian Bamboo
12 6 (0.90%) Bitbucket
12 6 (0.90%) Vagrant
12 6 (0.90%) Visual Studio Team System
13 5 (0.75%) Maven
13 5 (0.75%) Mocha
13 5 (0.75%) Team Foundation Server
General
1 74 (11.08%) Public Sector
2 53 (7.93%) Finance
3 20 (2.99%) Marketing
4 16 (2.40%) Legal
5 13 (1.95%) Advertising
6 10 (1.50%) Banking
7 9 (1.35%) Games
7 9 (1.35%) Telecoms
8 8 (1.20%) Manufacturing
9 6 (0.90%) Publishing
10 5 (0.75%) Retail
11 4 (0.60%) Electronics
12 2 (0.30%) Back Office
12 2 (0.30%) Billing
12 2 (0.30%) Investment Banking
13 1 (0.15%) Automotive
13 1 (0.15%) Financial Institution
13 1 (0.15%) Front Office
13 1 (0.15%) Law
13 1 (0.15%) Pharmaceutical
Job Titles
1 365 (54.64%) Developer
2 159 (23.80%) Ruby Developer
3 97 (14.52%) Ruby on Rails Developer
4 92 (13.77%) DevOps Engineer
5 51 (7.63%) Architect
6 38 (5.69%) AWS Engineer
7 37 (5.54%) Cloud Engineer
7 37 (5.54%) Senior Developer
8 32 (4.79%) Technical Architect
9 28 (4.19%) Ruby Engineer
10 24 (3.59%) Java Developer
11 21 (3.14%) AWS DevOps
12 20 (2.99%) AWS DevOps Engineer
12 20 (2.99%) Full Stack Developer
13 19 (2.84%) Lead Architect
14 18 (2.69%) Front End Developer (Client-Side Developer)
14 18 (2.69%) Platform Engineer
14 18 (2.69%) Senior Ruby Developer
15 17 (2.54%) Software Engineer
16 16 (2.40%) HTML Developer
Libraries, Frameworks & Software Standards
1 281 (42.07%) Ruby on Rails
2 126 (18.86%) CSS
2 126 (18.86%) HTML
3 70 (10.48%) Web Services
4 62 (9.28%) Node.js
5 60 (8.98%) RESTful
6 39 (5.84%) JSON
7 34 (5.09%) Redux
7 34 (5.09%) REST
8 31 (4.64%) React
8 31 (4.64%) XML
9 30 (4.49%) Kafka
10 29 (4.34%) jQuery
11 27 (4.04%) .NET
12 24 (3.59%) Elastic Stack
13 23 (3.44%) HTML5
14 22 (3.29%) Django
14 22 (3.29%) Spring
15 20 (2.99%) CSS3
15 20 (2.99%) GraphQL
Miscellaneous
1 33 (4.94%) Greenfield Project
2 31 (4.64%) Analytical Skills
3 23 (3.44%) Data Centre
4 22 (3.29%) User Experience
5 19 (2.84%) Linux Command Line
6 17 (2.54%) BYOD
7 14 (2.10%) Mobile App
8 7 (1.05%) Algorithms
8 7 (1.05%) Blog
8 7 (1.05%) PKI
8 7 (1.05%) Public Cloud
9 5 (0.75%) Cloud Native
9 5 (0.75%) Taxonomies
10 4 (0.60%) Hybrid Cloud
10 4 (0.60%) Management Information System
10 4 (0.60%) Marketing Technology
11 3 (0.45%) BBC
11 3 (0.45%) Enterprise Cloud
11 3 (0.45%) Social Network
11 3 (0.45%) Tandem
Operating Systems
1 188 (28.14%) Linux
2 54 (8.08%) Unix
3 35 (5.24%) Windows
4 30 (4.49%) Red Hat Enterprise Linux
5 25 (3.74%) Mac OS
6 15 (2.25%) Ubuntu
7 14 (2.10%) Android
7 14 (2.10%) Mac OS X
8 12 (1.80%) Windows Server
9 11 (1.65%) Apple iOS
10 10 (1.50%) CentOS
11 3 (0.45%) Debian
11 3 (0.45%) Windows Server 2008
12 2 (0.30%) Windows Server 2003
13 1 (0.15%) Fedora
13 1 (0.15%) Solaris
Processes & Methodologies
1 347 (51.95%) Agile Software Development
2 243 (36.38%) DevOps
3 159 (23.80%) TDD
4 128 (19.16%) Continuous Integration
5 121 (18.11%) Test Automation
6 83 (12.43%) Microservices
7 78 (11.68%) Scrum
8 76 (11.38%) Open Source
9 73 (10.93%) Continuous Delivery
10 61 (9.13%) Infrastructure as Code
11 58 (8.68%) Configuration Management
12 44 (6.59%) Front End Development
12 44 (6.59%) Kanban
12 44 (6.59%) Software Engineering
13 40 (5.99%) Continuous Deployment
14 39 (5.84%) BDD
14 39 (5.84%) Problem-Solving
15 36 (5.39%) Mentoring
16 33 (4.94%) Technical Debt
17 32 (4.79%) E-Commerce
Programming Languages
1 294 (44.01%) Python
2 237 (35.48%) JavaScript
3 205 (30.69%) Java
4 129 (19.31%) Go
5 86 (12.87%) SQL
6 83 (12.43%) Bash Shell
7 42 (6.29%) Perl
8 41 (6.14%) C#
9 38 (5.69%) PHP
9 38 (5.69%) Scala
10 31 (4.64%) PowerShell
11 28 (4.19%) C++
11 28 (4.19%) Groovy
12 19 (2.84%) Shell Script
13 14 (2.10%) TypeScript
14 13 (1.95%) Elixir
15 10 (1.50%) Clojure
15 10 (1.50%) Kotlin
16 9 (1.35%) PL/SQL
17 8 (1.20%) C
Qualifications
1 64 (9.58%) Security Cleared
2 29 (4.34%) Degree
3 26 (3.89%) BPSS Clearance
4 22 (3.29%) BC Cleared
5 16 (2.40%) SC Cleared
6 14 (2.10%) AWS Certification
7 10 (1.50%) Computer Science Degree
8 9 (1.35%) DBS Check
9 6 (0.90%) Postgraduate
9 6 (0.90%) RHCE
10 4 (0.60%) CHECK Team Member
11 3 (0.45%) Master's Degree
12 2 (0.30%) DV Cleared
12 2 (0.30%) GCUX
12 2 (0.30%) GIAC
12 2 (0.30%) ISEB
12 2 (0.30%) ISTQB
12 2 (0.30%) LPIC
12 2 (0.30%) RHCA
13 1 (0.15%) CEH
Quality Assurance & Compliance
1 26 (3.89%) QA
2 12 (1.80%) PCI DSS
3 7 (1.05%) Disclosure Scotland
3 7 (1.05%) NCSC
4 5 (0.75%) GDPR
5 4 (0.60%) HIPAA
5 4 (0.60%) Sarbanes-Oxley
5 4 (0.60%) WCAG
6 3 (0.45%) Data Quality
7 1 (0.15%) ISO/IEC 27001
System Software
1 124 (18.56%) Docker
2 8 (1.20%) Active Directory
3 7 (1.05%) HDFS
4 6 (0.90%) VMware Infrastructure
5 4 (0.60%) Apache ZooKeeper
5 4 (0.60%) Oracle RAC
6 2 (0.30%) Apache Flume
6 2 (0.30%) KVM
6 2 (0.30%) NFS
6 2 (0.30%) Xen
7 1 (0.15%) Hyper-V
7 1 (0.15%) VirtualBox
7 1 (0.15%) VMware ESXi
Systems Management
1 110 (16.47%) Terraform
2 109 (16.32%) Kubernetes
3 87 (13.02%) Ansible
4 78 (11.68%) Puppet
5 72 (10.78%) Opscode Chef
6 19 (2.84%) Nagios
7 10 (1.50%) Salt
8 9 (1.35%) SCCM
9 8 (1.20%) Kibana
9 8 (1.20%) Prometheus
10 7 (1.05%) HP SiteScope
11 5 (0.75%) Ambari
11 5 (0.75%) CFEngine
11 5 (0.75%) Docker Swarm
11 5 (0.75%) Hadoop YARN
11 5 (0.75%) Oozie
11 5 (0.75%) Rancher
11 5 (0.75%) Single Sign-On
11 5 (0.75%) Sysdig
12 4 (0.60%) Suricata
Vendors
1 52 (7.78%) Google
2 46 (6.89%) Red Hat
3 38 (5.69%) Splunk
4 36 (5.39%) Oracle
5 30 (4.49%) Microsoft
6 11 (1.65%) Lets Encrypt
7 9 (1.35%) Salesforce.com
7 9 (1.35%) SaltStack
7 9 (1.35%) SAP
7 9 (1.35%) VMware
8 8 (1.20%) IBM
9 7 (1.05%) CA
9 7 (1.05%) Facebook
9 7 (1.05%) Hortonworks
10 6 (0.90%) Cloudera
10 6 (0.90%) Qualys
10 6 (0.90%) ServiceNow
11 5 (0.75%) Apiary
11 5 (0.75%) Atlassian
11 5 (0.75%) PeopleSoft