Period
to 20 April 2021

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 20 April 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
England > London
6 months to
20 Apr 2021
Same period 2020 Same period 2019
Rank 199 117 148
Rank change year-on-year -82 +31 -46
Contract jobs citing Ruby 285 496 835
As % of all contract jobs advertised in London 1.28% 2.10% 1.98%
As % of the Programming Languages category 2.70% 4.40% 4.14%
Number of daily rates quoted 235 409 644
10th Percentile £413 £413 £425
25th Percentile £463 £500 £475
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - +4.76%
75th Percentile £594 £638 £626
90th Percentile £638 £688 £692
England median daily rate £500 £525 £525
% change year-on-year -4.76% - +5.00%
Number of hourly rates quoted 0 0 1
Median hourly rate - - £70.00
England median hourly rate £45.00 £20.50 £70.00
% change year-on-year +119.51% -70.71% +43.59%

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 10,571 11,266 20,152
As % of all contract IT jobs advertised in London 47.66% 47.78% 47.72%
Number of daily rates quoted 7,882 8,427 15,324
10th Percentile £363 £370 £363
25th Percentile £438 £438 £425
Median daily rate (50th Percentile) £525 £525 £525
75th Percentile £638 £613 £610
90th Percentile £713 £700 £675
England median daily rate £500 £500 £481
% change year-on-year - +4.06% +1.16%
Number of hourly rates quoted 70 82 108
10th Percentile £20.95 £18.98 £18.39
25th Percentile £28.31 £31.40 £21.22
Median hourly rate £44.00 £48.17 £36.00
Median % change year-on-year -8.65% +33.79% +8.27%
75th Percentile £61.75 £61.19 £47.50
90th Percentile £68.04 £69.10 £53.75
England median hourly rate £42.50 £44.00 £42.50
% change year-on-year -3.41% +3.53% +6.25%

Ruby
Job Vacancy Trend in London

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

Job vacancy trend for Ruby in London

Ruby
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Ruby in London.

Daily rate trend for Ruby in London

Ruby
Daily Rate Histogram in London

Daily rate distribution for jobs citing Ruby in London over the 6 months to 20 April 2021.

Daily rate histogram for Ruby in London

Ruby
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing Ruby in London.

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 20 April 2021. 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 -14 55 £550 -1.35% 78
South London +40 3 £450 -22.75% 4
West London +22 1 £475 +11.76% 25
Ruby
England

For the 6 months to 20 April 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 London region with a requirement for Ruby.

1 130 (45.61%) Python
2 115 (40.35%) Ruby on Rails
3 92 (32.28%) DevOps
4 89 (31.23%) JavaScript
5 84 (29.47%) AWS
6 78 (27.37%) Docker
6 78 (27.37%) Agile Software Development
7 76 (26.67%) Go
8 75 (26.32%) Kubernetes
8 75 (26.32%) Java
9 62 (21.75%) Terraform
10 60 (21.05%) Linux
11 56 (19.65%) Git (software)
12 50 (17.54%) TDD
13 48 (16.84%) PostgreSQL
14 46 (16.14%) Continuous Integration
15 44 (15.44%) Test Automation
15 44 (15.44%) Azure
15 44 (15.44%) Node.js
16 39 (13.68%) Configuration Management
17 34 (11.93%) Ansible
18 33 (11.58%) React
18 33 (11.58%) Scala
18 33 (11.58%) Software Engineering
19 32 (11.23%) Jenkins
19 32 (11.23%) Public Sector
20 31 (10.88%) Microservices
21 29 (10.18%) GitHub
21 29 (10.18%) Finance
21 29 (10.18%) Unix

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 15 (5.26%) Cloud Foundry
2 8 (2.81%) Elasticsearch
3 5 (1.75%) CMS
3 5 (1.75%) Confluence
4 4 (1.40%) Mule
4 4 (1.40%) nginx
4 4 (1.40%) WordPress
5 3 (1.05%) Apache
5 3 (1.05%) Tomcat
6 2 (0.70%) Apache Spark
6 2 (0.70%) Drupal
6 2 (0.70%) OpenStack
6 2 (0.70%) SharePoint
7 1 (0.35%) Adobe Experience Manager
7 1 (0.35%) Apache Airflow
7 1 (0.35%) Apache Pig
7 1 (0.35%) IIS
7 1 (0.35%) Oracle Coherence
Applications
1 1 (0.35%) Figma
Cloud Services
1 84 (29.47%) AWS
2 44 (15.44%) Azure
3 29 (10.18%) GitHub
4 28 (9.82%) GCP
5 19 (6.67%) IaaS
6 18 (6.32%) Cloud Computing
6 18 (6.32%) PaaS
7 16 (5.61%) Serverless
8 12 (4.21%) AWS Lambda
8 12 (4.21%) Heroku
9 9 (3.16%) SaaS
10 7 (2.46%) AWS CloudFormation
11 6 (2.11%) Amazon EC2
12 4 (1.40%) Amazon ECS
12 4 (1.40%) AWS Elastic Beanstalk
12 4 (1.40%) Azure Active Directory
12 4 (1.40%) Azure Cosmos DB
12 4 (1.40%) OpenShift
13 3 (1.05%) Amazon S3
13 3 (1.05%) Azure Service Fabric
Communications & Networking
1 16 (5.61%) HTTP
2 6 (2.11%) TCP/IP
3 5 (1.75%) Internet
4 4 (1.40%) Firewall
4 4 (1.40%) HTTPS
5 3 (1.05%) DNS
5 3 (1.05%) Network Security
6 2 (0.70%) BIG-IP
6 2 (0.70%) DMZ
6 2 (0.70%) FTP
6 2 (0.70%) IMAP
6 2 (0.70%) SMTP
6 2 (0.70%) SSL
7 1 (0.35%) DHCP
7 1 (0.35%) IPsec
7 1 (0.35%) Kerberos
7 1 (0.35%) SNMP
Database & Business Intelligence
1 48 (16.84%) PostgreSQL
2 17 (5.96%) Relational Database
3 14 (4.91%) MongoDB
4 12 (4.21%) MySQL
4 12 (4.21%) Redis
5 8 (2.81%) NoSQL
5 8 (2.81%) SQL Server
6 5 (1.75%) Amazon Aurora
6 5 (1.75%) Amazon DynamoDB
7 4 (1.40%) Amazon RDS
7 4 (1.40%) Azure SQL Database
7 4 (1.40%) Oracle Database
7 4 (1.40%) Oracle Database 11g
7 4 (1.40%) Oracle Database 12c
7 4 (1.40%) SQL Server 2008
7 4 (1.40%) SQL Server 2012
7 4 (1.40%) SQL Server 2014
7 4 (1.40%) SQL Server 2016
7 4 (1.40%) SQL Server 2017
7 4 (1.40%) SQL Server 2019
Development Applications
1 56 (19.65%) Git (software)
2 32 (11.23%) Jenkins
3 17 (5.96%) RSpec
4 10 (3.51%) Subversion
5 8 (2.81%) Atlassian Bamboo
6 7 (2.46%) CircleCI
6 7 (2.46%) IntelliJ
6 7 (2.46%) JIRA
7 6 (2.11%) Cucumber
7 6 (2.11%) Eclipse
7 6 (2.11%) Gatling
7 6 (2.11%) Selenium
7 6 (2.11%) TeamCity
7 6 (2.11%) Visual Studio
7 6 (2.11%) Visual Studio Code
8 5 (1.75%) Artifactory
8 5 (1.75%) Cypress.io
8 5 (1.75%) GitLab
9 4 (1.40%) Grunt
9 4 (1.40%) Vagrant
General
1 32 (11.23%) Public Sector
2 29 (10.18%) Finance
3 11 (3.86%) Telecoms
4 10 (3.51%) Marketing
5 9 (3.16%) Banking
5 9 (3.16%) Electronics
6 8 (2.81%) Advertising
6 8 (2.81%) Manufacturing
6 8 (2.81%) Retail
7 3 (1.05%) French Language
7 3 (1.05%) German Language
8 2 (0.70%) Investment Banking
8 2 (0.70%) Law
8 2 (0.70%) Military
8 2 (0.70%) Police
9 1 (0.35%) Front Office
9 1 (0.35%) International Banking
9 1 (0.35%) Legal
9 1 (0.35%) Local Government
9 1 (0.35%) Publishing
Job Titles
1 141 (49.47%) Developer
2 59 (20.70%) Ruby Developer
3 43 (15.09%) DevOps Engineer
3 43 (15.09%) Ruby on Rails Developer
4 19 (6.67%) Ruby Engineer
4 19 (6.67%) Site Reliability Engineer
5 17 (5.96%) Site Engineer
6 16 (5.61%) Senior Developer
7 15 (5.26%) Full Stack Developer
8 13 (4.56%) Architect
9 12 (4.21%) AWS Engineer
9 12 (4.21%) React Developer
9 12 (4.21%) Software Engineer
10 8 (2.81%) AWS DevOps
10 8 (2.81%) Backend Developer
10 8 (2.81%) Cloud Engineer
10 8 (2.81%) Senior Ruby Developer
11 7 (2.46%) Linux DevOps Engineer
11 7 (2.46%) Scala Developer
11 7 (2.46%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 115 (40.35%) Ruby on Rails
2 44 (15.44%) Node.js
3 33 (11.58%) React
4 25 (8.77%) CSS
5 23 (8.07%) HTML
5 23 (8.07%) RESTful
6 17 (5.96%) REST
7 16 (5.61%) AngularJS
8 15 (5.26%) Web Services
9 14 (4.91%) .NET
10 11 (3.86%) HTML5
10 11 (3.86%) JSON
11 9 (3.16%) jQuery
11 9 (3.16%) OAuth
12 8 (2.81%) Kafka
12 8 (2.81%) Redux
12 8 (2.81%) Spring Boot
13 7 (2.46%) Next.js
13 7 (2.46%) React Native
13 7 (2.46%) Sidekiq
Miscellaneous
1 11 (3.86%) Analytical Skills
1 11 (3.86%) User Experience
2 10 (3.51%) Cloud Native
3 8 (2.81%) Management Information System
4 7 (2.46%) Mobile App
5 6 (2.11%) Greenfield Project
6 5 (1.75%) Blog
6 5 (1.75%) Data Centre
7 4 (1.40%) Algorithms
7 4 (1.40%) Data Structures
7 4 (1.40%) Hybrid Cloud
7 4 (1.40%) Public Cloud
7 4 (1.40%) Virtual Team
8 3 (1.05%) Linux Command Line
9 2 (0.70%) Self-Motivation
10 1 (0.35%) Analytical Mindset
10 1 (0.35%) Cyberthreat
10 1 (0.35%) Enterprise Cloud
10 1 (0.35%) Organisational Skills
10 1 (0.35%) Private Cloud
Operating Systems
1 60 (21.05%) Linux
2 29 (10.18%) Unix
3 18 (6.32%) Windows
4 12 (4.21%) Mac OS X
5 10 (3.51%) Android
6 8 (2.81%) Red Hat Enterprise Linux
7 7 (2.46%) Apple iOS
8 5 (1.75%) Solaris
8 5 (1.75%) Windows Server
9 4 (1.40%) Ubuntu
10 3 (1.05%) CentOS
11 1 (0.35%) Kali Linux
11 1 (0.35%) Mac OS
Processes & Methodologies
1 92 (32.28%) DevOps
2 78 (27.37%) Agile Software Development
3 50 (17.54%) TDD
4 46 (16.14%) Continuous Integration
5 44 (15.44%) Test Automation
6 39 (13.68%) Configuration Management
7 33 (11.58%) Software Engineering
8 31 (10.88%) Microservices
9 29 (10.18%) Problem-Solving
10 24 (8.42%) BDD
10 24 (8.42%) Infrastructure as Code
11 22 (7.72%) Site Reliability Engineering
12 21 (7.37%) Scrum
13 18 (6.32%) E-Commerce
14 17 (5.96%) Continuous Delivery
14 17 (5.96%) Continuous Deployment
14 17 (5.96%) Web Development
15 16 (5.61%) Mentoring
16 14 (4.91%) Open Source
17 12 (4.21%) User Stories
Programming Languages
1 130 (45.61%) Python
2 89 (31.23%) JavaScript
3 76 (26.67%) Go
4 75 (26.32%) Java
5 33 (11.58%) Scala
6 28 (9.82%) PowerShell
7 24 (8.42%) Bash Shell
8 21 (7.37%) SQL
9 18 (6.32%) C#
10 14 (4.91%) TypeScript
11 12 (4.21%) Perl
12 11 (3.86%) Rust
13 9 (3.16%) Groovy
13 9 (3.16%) PHP
14 8 (2.81%) C
14 8 (2.81%) C++
15 6 (2.11%) Apple Swift
16 5 (1.75%) ES6
17 4 (1.40%) Kotlin
18 3 (1.05%) PL/SQL
Qualifications
1 19 (6.67%) Security Cleared
2 17 (5.96%) SC Cleared
3 5 (1.75%) CCNA
3 5 (1.75%) Cisco Certification
4 3 (1.05%) Degree
5 2 (0.70%) Computer Science Degree
5 2 (0.70%) GCIA
5 2 (0.70%) GIAC
6 1 (0.35%) CCNP
6 1 (0.35%) CISSP
6 1 (0.35%) CREST Certified
6 1 (0.35%) GCFE
6 1 (0.35%) GCIH
6 1 (0.35%) GCUX
6 1 (0.35%) ISEB
6 1 (0.35%) MCSE
6 1 (0.35%) Microsoft Certification
6 1 (0.35%) Postgraduate
6 1 (0.35%) RHCA
6 1 (0.35%) RHCE
Quality Assurance & Compliance
1 14 (4.91%) QA
2 3 (1.05%) WCAG
3 1 (0.35%) GDPR
3 1 (0.35%) SLA
System Software
1 78 (27.37%) Docker
2 11 (3.86%) VMware Infrastructure
3 10 (3.51%) Active Directory
4 7 (2.46%) VMware ESXi
5 4 (1.40%) vSphere
6 3 (1.05%) Ceph
6 3 (1.05%) NFS
7 2 (0.70%) HDFS
7 2 (0.70%) UAG
8 1 (0.35%) DFS Replication
8 1 (0.35%) IAG
8 1 (0.35%) KVM
8 1 (0.35%) Oracle RAC
8 1 (0.35%) Platform Symphony
8 1 (0.35%) Virtual Machines
Systems Management
1 75 (26.32%) Kubernetes
2 62 (21.75%) Terraform
3 34 (11.93%) Ansible
4 27 (9.47%) Puppet
5 22 (7.72%) Opscode Chef
6 8 (2.81%) Mesos
7 6 (2.11%) Docker Swarm
8 4 (1.40%) Kibana
8 4 (1.40%) Prometheus
8 4 (1.40%) vRealize
8 4 (1.40%) vRealize Orchestrator
9 3 (1.05%) Consul
9 3 (1.05%) Grafana
9 3 (1.05%) Hadoop YARN
9 3 (1.05%) Marathon
9 3 (1.05%) Packer
10 2 (0.70%) Istio
10 2 (0.70%) linkerd
10 2 (0.70%) Rancher
10 2 (0.70%) Single Sign-On
Vendors
1 21 (7.37%) Google
2 12 (4.21%) Red Hat
3 11 (3.86%) Microsoft
3 11 (3.86%) SAP
3 11 (3.86%) VMware
4 9 (3.16%) Oracle
5 5 (1.75%) EMC
5 5 (1.75%) Splunk
6 4 (1.40%) NetApp
6 4 (1.40%) Salesforce.com
6 4 (1.40%) ServiceNow
6 4 (1.40%) Sybase
7 3 (1.05%) Atlassian
7 3 (1.05%) Black Duck
7 3 (1.05%) New Relic
8 2 (0.70%) ArcSight
8 2 (0.70%) CyberArk
8 2 (0.70%) Demandware
8 2 (0.70%) F5
8 2 (0.70%) HP