Period
to 23 February 2020

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 23 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
Central London > City of London
6 months to
23 Feb 2020
Same period 2019 Same period 2018
Rank 75 149 90
Rank change year-on-year +74 -59 +13
Contract jobs citing Ruby 126 110 193
As % of all contract IT jobs advertised in the City of London 2.72% 1.63% 2.71%
As % of the Programming Languages category 5.61% 3.08% 5.08%
Number of daily rates quoted 104 86 166
City of London median daily rate £550 £563 £550
Median daily rate % change year-on-year -2.22% +2.27% +15.79%
10th Percentile £413 £455 £463
90th Percentile £655 £647 £692
Central London median daily rate £550 £550 £538
% change year-on-year - +2.33% +7.50%
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 2,244 3,569 3,796
As % of all contract IT jobs advertised in the City of London 48.40% 52.80% 53.36%
Number of daily rates quoted 1,772 2,950 3,232
City of London median daily rate £525 £525 £525
10th Percentile £381 £400 £363
90th Percentile £688 £675 £700
Central London median daily rate £525 £525 £513
% change year-on-year - +2.44% +7.89%
Number of hourly rates quoted 16 5 15
City of London median hourly rate £36.75 £37.09 £21.50
Median hourly rate % change year-on-year -0.92% +72.51% -21.82%
10th Percentile £22.83 £18.28 £17.75
90th Percentile £57.13 £40.15 £59.80
Central London median hourly rate £35.00 £28.87 £21.50
% change year-on-year +21.24% +34.27% -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 23 February 2020.

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

For the 6 months to 23 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 City of London region with a requirement for Ruby.

1 66 (52.38%) Python
2 62 (49.21%) Agile Software Development
3 52 (41.27%) DevOps
4 41 (32.54%) JavaScript
5 40 (31.75%) Java
6 39 (30.95%) Ruby on Rails
6 39 (30.95%) AWS
7 37 (29.37%) Linux
8 34 (26.98%) Go
9 31 (24.60%) Terraform
10 26 (20.63%) Kubernetes
10 26 (20.63%) Continuous Integration
11 23 (18.25%) Git (software)
11 23 (18.25%) TDD
12 20 (15.87%) Docker
13 19 (15.08%) Serverless
13 19 (15.08%) PostgreSQL
14 18 (14.29%) Jenkins
15 17 (13.49%) Scala
15 17 (13.49%) HTML
15 17 (13.49%) CSS
15 17 (13.49%) Greenfield Project
15 17 (13.49%) Microservices
15 17 (13.49%) Infrastructure as Code
16 16 (12.70%) AWS Lambda
16 16 (12.70%) Google
16 16 (12.70%) Bash Shell
16 16 (12.70%) Puppet
17 15 (11.90%) GCP
17 15 (11.90%) 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 8 (6.35%) Elasticsearch
2 3 (2.38%) Apache Spark
2 3 (2.38%) CMS
2 3 (2.38%) nginx
3 2 (1.59%) Confluence
3 2 (1.59%) SharePoint
4 1 (0.79%) Tomcat
4 1 (0.79%) WebSphere
Business Applications
1 1 (0.79%) Dynamics CRM
1 1 (0.79%) Dynamics NAV
1 1 (0.79%) Magento
Cloud Services
1 39 (30.95%) AWS
2 19 (15.08%) Serverless
3 16 (12.70%) AWS Lambda
4 15 (11.90%) GCP
5 9 (7.14%) Azure
5 9 (7.14%) GitHub
6 6 (4.76%) PaaS
7 4 (3.17%) IaaS
8 3 (2.38%) Amazon CloudWatch
8 3 (2.38%) Amazon Kinesis
8 3 (2.38%) AWS CloudFormation
8 3 (2.38%) OpenShift
9 2 (1.59%) Amazon EC2
9 2 (1.59%) Amazon EKS
9 2 (1.59%) Amazon SQS
9 2 (1.59%) Azure Functions
9 2 (1.59%) Google Analytics
9 2 (1.59%) IBM Cloud
9 2 (1.59%) Route 53
9 2 (1.59%) SoftLayer
Communications & Networking
1 9 (7.14%) Firewall
2 6 (4.76%) Network Security
3 4 (3.17%) DNS
3 4 (3.17%) TCP/IP
4 3 (2.38%) HTTP
4 3 (2.38%) SSL
5 2 (1.59%) Internet
5 2 (1.59%) OpenVPN
6 1 (0.79%) MPLS
6 1 (0.79%) Software-Defined Networking
Database & Business Intelligence
1 19 (15.08%) PostgreSQL
2 9 (7.14%) NoSQL
3 8 (6.35%) MongoDB
3 8 (6.35%) Redis
4 7 (5.56%) Data Warehouse
5 6 (4.76%) MySQL
6 4 (3.17%) Relational Database
7 3 (2.38%) Big Data
7 3 (2.38%) SQL Server
8 2 (1.59%) Data Mining
8 2 (1.59%) Hadoop
9 1 (0.79%) Amazon Aurora
9 1 (0.79%) Amazon DynamoDB
9 1 (0.79%) Amazon RDS
9 1 (0.79%) Apache Cassandra
9 1 (0.79%) DB2
9 1 (0.79%) InfluxDB
9 1 (0.79%) RDBMS
Development Applications
1 23 (18.25%) Git (software)
2 18 (14.29%) Jenkins
3 9 (7.14%) JIRA
3 9 (7.14%) Travis CI
4 7 (5.56%) CircleCI
4 7 (5.56%) RSpec
5 4 (3.17%) TeamCity
6 3 (2.38%) Atlassian Bamboo
6 3 (2.38%) Subversion
7 2 (1.59%) Sonatype Nexus
8 1 (0.79%) Appium
8 1 (0.79%) Artifactory
8 1 (0.79%) Bitbucket
8 1 (0.79%) Cucumber
8 1 (0.79%) fastlane
8 1 (0.79%) minitest
8 1 (0.79%) Octopus Deploy
8 1 (0.79%) Selenium
8 1 (0.79%) Team Foundation Server
8 1 (0.79%) Visual Studio Team System
General
1 10 (7.94%) Advertising
2 9 (7.14%) Finance
2 9 (7.14%) Marketing
3 7 (5.56%) Public Sector
4 5 (3.97%) Retail
5 4 (3.17%) Games
6 3 (2.38%) Telecoms
7 2 (1.59%) Banking
8 1 (0.79%) Legal
8 1 (0.79%) Publishing
Job Titles
1 58 (46.03%) Developer
2 25 (19.84%) Ruby Developer
3 22 (17.46%) DevOps Engineer
4 18 (14.29%) Ruby on Rails Developer
5 10 (7.94%) Platform Engineer
6 8 (6.35%) AWS DevOps
6 8 (6.35%) AWS Engineer
6 8 (6.35%) Senior Developer
7 7 (5.56%) AWS DevOps Engineer
7 7 (5.56%) Cloud Engineer
7 7 (5.56%) Python Engineer
7 7 (5.56%) Software Engineer
8 6 (4.76%) Architect
8 6 (4.76%) Network Engineer
8 6 (4.76%) Network Security Engineer
8 6 (4.76%) Ruby Engineer
8 6 (4.76%) Security Engineer
9 5 (3.97%) Python Developer
10 4 (3.17%) Java Developer
10 4 (3.17%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 39 (30.95%) Ruby on Rails
2 17 (13.49%) CSS
2 17 (13.49%) HTML
3 14 (11.11%) Web Services
4 12 (9.52%) Redux
5 11 (8.73%) Node.js
6 7 (5.56%) Kafka
7 6 (4.76%) RESTful
8 5 (3.97%) ActiveMQ
8 5 (3.97%) Elastic Stack
8 5 (3.97%) REST
9 4 (3.17%) .NET
9 4 (3.17%) iOS SDK
10 3 (2.38%) Apollo GraphQL
10 3 (2.38%) Django
10 3 (2.38%) GraphQL
10 3 (2.38%) gRPC
10 3 (2.38%) JSON
10 3 (2.38%) RabbitMQ
10 3 (2.38%) RxJS
Miscellaneous
1 17 (13.49%) Greenfield Project
2 10 (7.94%) Analytical Skills
3 4 (3.17%) Marketing Technology
4 3 (2.38%) BYOD
4 3 (2.38%) Linux Command Line
4 3 (2.38%) Management Information System
4 3 (2.38%) User Experience
5 2 (1.59%) Cloud Native
5 2 (1.59%) Data Centre
5 2 (1.59%) Mobile App
5 2 (1.59%) Public Cloud
6 1 (0.79%) Algorithms
6 1 (0.79%) Data Structures
6 1 (0.79%) e-Learning
6 1 (0.79%) Embedded Systems
6 1 (0.79%) Hybrid Cloud
6 1 (0.79%) PKI
6 1 (0.79%) Security Operations Centre
6 1 (0.79%) Tandem
Operating Systems
1 37 (29.37%) Linux
2 6 (4.76%) Apple iOS
3 5 (3.97%) Windows
4 4 (3.17%) Android
4 4 (3.17%) Red Hat Enterprise Linux
4 4 (3.17%) Ubuntu
5 2 (1.59%) Unix
5 2 (1.59%) Windows Server
6 1 (0.79%) Mac OS
Processes & Methodologies
1 62 (49.21%) Agile Software Development
2 52 (41.27%) DevOps
3 26 (20.63%) Continuous Integration
4 23 (18.25%) TDD
5 17 (13.49%) Infrastructure as Code
5 17 (13.49%) Microservices
6 15 (11.90%) Continuous Delivery
7 13 (10.32%) Test Automation
8 10 (7.94%) Software Engineering
9 9 (7.14%) Configuration Management
9 9 (7.14%) Open Source
9 9 (7.14%) Security Testing
10 8 (6.35%) Non-Functional Testing
10 8 (6.35%) SDLC
11 7 (5.56%) Business Intelligence
11 7 (5.56%) Continuous Deployment
11 7 (5.56%) Dashboard Development
11 7 (5.56%) Kanban
11 7 (5.56%) Migration
11 7 (5.56%) Scrum
Programming Languages
1 66 (52.38%) Python
2 41 (32.54%) JavaScript
3 40 (31.75%) Java
4 34 (26.98%) Go
5 17 (13.49%) Scala
6 16 (12.70%) Bash Shell
7 14 (11.11%) Groovy
8 13 (10.32%) SQL
9 10 (7.94%) PHP
10 8 (6.35%) C#
11 5 (3.97%) Apple Swift
11 5 (3.97%) PowerShell
12 4 (3.17%) C++
12 4 (3.17%) Kotlin
12 4 (3.17%) TypeScript
13 3 (2.38%) Perl
13 3 (2.38%) Shell Script
14 2 (1.59%) R
14 2 (1.59%) T-SQL
15 1 (0.79%) VB.NET
Qualifications
1 6 (4.76%) Security Cleared
2 4 (3.17%) AWS Certification
3 3 (2.38%) BC Cleared
3 3 (2.38%) CHECK Team Member
4 2 (1.59%) Degree
4 2 (1.59%) SC Cleared
5 1 (0.79%) BPSS Clearance
5 1 (0.79%) DV Cleared
Quality Assurance & Compliance
1 3 (2.38%) QA
2 1 (0.79%) NCSC
System Software
1 20 (15.87%) Docker
2 4 (3.17%) Apache ZooKeeper
3 2 (1.59%) Apache Flume
3 2 (1.59%) HDFS
4 1 (0.79%) KVM
4 1 (0.79%) VMware Infrastructure
4 1 (0.79%) Xen
Systems Management
1 31 (24.60%) Terraform
2 26 (20.63%) Kubernetes
3 16 (12.70%) Puppet
4 15 (11.90%) Ansible
5 11 (8.73%) Opscode Chef
6 4 (3.17%) Docker Swarm
6 4 (3.17%) Rancher
7 2 (1.59%) Graphite
7 2 (1.59%) Prometheus
8 1 (0.79%) Host Intrusion Detection System
8 1 (0.79%) Icinga
8 1 (0.79%) Matomo
8 1 (0.79%) Network Intrusion Detection System
8 1 (0.79%) Packer
8 1 (0.79%) Salt
Vendors
1 16 (12.70%) Google
2 8 (6.35%) Facebook
3 7 (5.56%) Red Hat
4 5 (3.97%) Splunk
5 4 (3.17%) Microsoft
5 4 (3.17%) Oracle
5 4 (3.17%) SaltStack
6 3 (2.38%) Fortinet
6 3 (2.38%) IBM
7 2 (1.59%) Apple
7 2 (1.59%) Atlassian
7 2 (1.59%) Lets Encrypt
7 2 (1.59%) New Relic
7 2 (1.59%) Salesforce.com
7 2 (1.59%) TOWER Software
8 1 (0.79%) Adyen
8 1 (0.79%) PagerDuty
8 1 (0.79%) PayPal
8 1 (0.79%) Salesforce Marketing Cloud
8 1 (0.79%) Veracode