Period
to 16 February 2020

The following table provides summary statistics for contract job vacancies advertised in Central 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
London > Central London
6 months to
16 Feb 2020
Same period 2019 Same period 2018
Rank 79 140 91
Rank change year-on-year +61 -49 -3
Contract jobs citing Ruby 167 159 247
As % of all contract IT jobs advertised in Central London 2.84% 1.79% 2.76%
As % of the Programming Languages category 5.87% 3.35% 5.28%
Number of daily rates quoted 127 124 206
Central London median daily rate £550 £550 £538
Median daily rate % change year-on-year - +2.33% +7.50%
10th Percentile £413 £425 £443
90th Percentile £680 £646 £675
London median daily rate £550 £550 £525
% change year-on-year - +4.76% +10.53%
Number of hourly rates quoted 0 0 0
Central London median hourly rate - - -
London median hourly rate £35.00 - £35.00

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 Central London with a requirement for coding skills.

All Programming Languages
Central London
Contract vacancies with a requirement for coding skills 2,845 4,743 4,675
As % of all contract IT jobs advertised in Central London 48.40% 53.35% 52.22%
Number of daily rates quoted 2,212 3,829 3,925
Central London median daily rate £525 £525 £513
Median daily rate % change year-on-year - +2.44% +7.89%
10th Percentile £375 £375 £363
90th Percentile £675 £675 £688
London median daily rate £525 £525 £500
% change year-on-year - +5.00% +5.26%
Number of hourly rates quoted 19 7 18
Central London median hourly rate £35.00 £37.09 £21.50
Median hourly rate % change year-on-year -5.63% +72.51% -21.82%
10th Percentile £20.68 £18.35 £18.50
90th Percentile £54.65 £39.13 £103.50
London median hourly rate £40.00 £36.67 £33.27
% change year-on-year +9.08% +10.22% -20.79%

Ruby
Job Vacancy Trend in Central London

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

Job vacancy trend for Ruby in Central London

Ruby
Contractor Daily Rate Trend in Central London

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

Contractor daily rate trend for Ruby in Central London

Ruby
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Ruby in Central London over the 6 months to 16 February 2020.

Contractor daily rate histogram for Ruby in Central London

Ruby
Contractor Hourly Rate Trend in Central London

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

Contractor hourly rate trend for Ruby in Central London

Ruby
Contract Job Locations in Central 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 Central 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
City of London +65 125 £550 -4.35% 99
City of Westminster +15 16 £575 +4.55%
West End of London +37 2 £575 +19.79%
Southwark +44 1 £575 +7.48%
Ruby
London

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 Central London region with a requirement for Ruby.

1 86 (51.50%) Python
1 86 (51.50%) Agile Software Development
2 64 (38.32%) DevOps
3 61 (36.53%) JavaScript
4 59 (35.33%) Java
5 54 (32.34%) Ruby on Rails
5 54 (32.34%) AWS
6 50 (29.94%) Linux
7 43 (25.75%) Go
8 36 (21.56%) Terraform
9 35 (20.96%) Kubernetes
10 33 (19.76%) TDD
11 31 (18.56%) PostgreSQL
11 31 (18.56%) Continuous Integration
11 31 (18.56%) Git (software)
12 27 (16.17%) Docker
13 25 (14.97%) CSS
13 25 (14.97%) HTML
14 23 (13.77%) Web Services
14 23 (13.77%) Test Automation
14 23 (13.77%) Puppet
15 21 (12.57%) SQL
15 21 (12.57%) Jenkins
15 21 (12.57%) Continuous Delivery
15 21 (12.57%) Microservices
16 20 (11.98%) Bash Shell
17 19 (11.38%) GCP
17 19 (11.38%) Serverless
17 19 (11.38%) Infrastructure as Code
18 18 (10.78%) Public Sector

Ruby
Co-occurring IT Skills in Central 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 17 (10.18%) Elasticsearch
2 5 (2.99%) Apache Spark
2 5 (2.99%) WebSphere
3 3 (1.80%) CMS
3 3 (1.80%) Confluence
3 3 (1.80%) nginx
4 2 (1.20%) SharePoint
5 1 (0.60%) Tomcat
Business Applications
1 1 (0.60%) Dynamics CRM
1 1 (0.60%) Dynamics NAV
1 1 (0.60%) Magento
Cloud Services
1 54 (32.34%) AWS
2 19 (11.38%) GCP
2 19 (11.38%) Serverless
3 16 (9.58%) AWS Lambda
4 14 (8.38%) GitHub
5 11 (6.59%) Azure
6 8 (4.79%) PaaS
7 5 (2.99%) AWS CloudFormation
8 4 (2.40%) Amazon EKS
8 4 (2.40%) Amazon SQS
8 4 (2.40%) IaaS
8 4 (2.40%) Route 53
9 3 (1.80%) Amazon CloudWatch
9 3 (1.80%) Amazon Kinesis
9 3 (1.80%) AWS IoT
9 3 (1.80%) OpenShift
9 3 (1.80%) SaaS
10 2 (1.20%) Amazon EC2
10 2 (1.20%) Google Analytics
10 2 (1.20%) SoftLayer
Communications & Networking
1 9 (5.39%) Firewall
2 7 (4.19%) HTTP
3 6 (3.59%) DNS
3 6 (3.59%) Network Security
3 6 (3.59%) TCP/IP
4 4 (2.40%) SSL
5 2 (1.20%) Internet
5 2 (1.20%) OpenVPN
6 1 (0.60%) MPLS
6 1 (0.60%) Skype
6 1 (0.60%) Software-Defined Networking
Database & Business Intelligence
1 31 (18.56%) PostgreSQL
2 14 (8.38%) MongoDB
3 12 (7.19%) NoSQL
4 10 (5.99%) Redis
5 7 (4.19%) Big Data
5 7 (4.19%) Data Warehouse
5 7 (4.19%) SQL Server
6 5 (2.99%) MySQL
7 4 (2.40%) Amazon DynamoDB
7 4 (2.40%) Relational Database
8 3 (1.80%) Apache Cassandra
8 3 (1.80%) DB2
8 3 (1.80%) InfluxDB
9 2 (1.20%) Data Mining
9 2 (1.20%) Hadoop
10 1 (0.60%) Amazon Aurora
10 1 (0.60%) Amazon RDS
10 1 (0.60%) RDBMS
Development Applications
1 31 (18.56%) Git (software)
2 21 (12.57%) Jenkins
3 11 (6.59%) JIRA
3 11 (6.59%) Travis CI
4 9 (5.39%) RSpec
5 8 (4.79%) CircleCI
6 4 (2.40%) TeamCity
7 3 (1.80%) Atlassian Bamboo
7 3 (1.80%) Subversion
8 2 (1.20%) Sonatype Nexus
9 1 (0.60%) Appium
9 1 (0.60%) Artifactory
9 1 (0.60%) Bitbucket
9 1 (0.60%) fastlane
9 1 (0.60%) Gatling
9 1 (0.60%) JMeter
9 1 (0.60%) Octopus Deploy
9 1 (0.60%) Selenium
9 1 (0.60%) Team Foundation Server
9 1 (0.60%) Visual Studio Team System
General
1 18 (10.78%) Public Sector
2 12 (7.19%) Finance
3 10 (5.99%) Advertising
4 9 (5.39%) Marketing
5 5 (2.99%) Retail
6 4 (2.40%) Games
6 4 (2.40%) Telecoms
7 3 (1.80%) Legal
7 3 (1.80%) Manufacturing
8 2 (1.20%) Banking
9 1 (0.60%) Automotive
9 1 (0.60%) Electronics
9 1 (0.60%) Publishing
Job Titles
1 79 (47.31%) Developer
2 39 (23.35%) Ruby Developer
3 27 (16.17%) DevOps Engineer
4 20 (11.98%) Ruby on Rails Developer
5 12 (7.19%) Architect
5 12 (7.19%) Senior Developer
6 11 (6.59%) Platform Engineer
7 10 (5.99%) AWS DevOps
7 10 (5.99%) AWS Engineer
8 9 (5.39%) AWS DevOps Engineer
8 9 (5.39%) Java Developer
9 8 (4.79%) Cloud Engineer
10 7 (4.19%) Python Engineer
10 7 (4.19%) Ruby Engineer
10 7 (4.19%) Senior Ruby Developer
10 7 (4.19%) Software Engineer
10 7 (4.19%) Technical Architect
11 6 (3.59%) Network Security Engineer
11 6 (3.59%) Python Developer
11 6 (3.59%) Security Engineer
Libraries, Frameworks & Software Standards
1 54 (32.34%) Ruby on Rails
2 25 (14.97%) CSS
2 25 (14.97%) HTML
3 23 (13.77%) Web Services
4 18 (10.78%) Node.js
5 13 (7.78%) Redux
6 12 (7.19%) RESTful
7 9 (5.39%) Kafka
8 7 (4.19%) Elastic Stack
8 7 (4.19%) JSON
8 7 (4.19%) XML
9 6 (3.59%) Express
9 6 (3.59%) REST
10 5 (2.99%) ActiveMQ
10 5 (2.99%) Django
10 5 (2.99%) React
11 4 (2.40%) .NET
11 4 (2.40%) iOS SDK
11 4 (2.40%) jQuery
11 4 (2.40%) RxJS
Miscellaneous
1 17 (10.18%) Greenfield Project
2 14 (8.38%) Analytical Skills
3 4 (2.40%) BYOD
3 4 (2.40%) Data Centre
3 4 (2.40%) Marketing Technology
3 4 (2.40%) Public Cloud
3 4 (2.40%) User Experience
4 3 (1.80%) Linux Command Line
4 3 (1.80%) Management Information System
4 3 (1.80%) Tandem
5 2 (1.20%) Cloud Native
5 2 (1.20%) Mobile App
5 2 (1.20%) Replication
5 2 (1.20%) Taxonomies
6 1 (0.60%) Algorithms
6 1 (0.60%) Data Structures
6 1 (0.60%) Embedded Systems
6 1 (0.60%) Hybrid Cloud
6 1 (0.60%) PKI
6 1 (0.60%) Security Operations Centre
Operating Systems
1 50 (29.94%) Linux
2 12 (7.19%) Unix
3 8 (4.79%) Mac OS
3 8 (4.79%) Windows
4 7 (4.19%) Apple iOS
5 5 (2.99%) Android
5 5 (2.99%) Ubuntu
6 4 (2.40%) Red Hat Enterprise Linux
7 3 (1.80%) Mac OS X
8 2 (1.20%) Windows Server
9 1 (0.60%) CentOS
Processes & Methodologies
1 86 (51.50%) Agile Software Development
2 64 (38.32%) DevOps
3 33 (19.76%) TDD
4 31 (18.56%) Continuous Integration
5 23 (13.77%) Test Automation
6 21 (12.57%) Continuous Delivery
6 21 (12.57%) Microservices
7 19 (11.38%) Infrastructure as Code
8 17 (10.18%) Open Source
9 12 (7.19%) Front End Development
10 11 (6.59%) Configuration Management
11 10 (5.99%) Scrum
11 10 (5.99%) SDLC
12 9 (5.39%) Continuous Deployment
12 9 (5.39%) Migration
12 9 (5.39%) Non-Functional Testing
12 9 (5.39%) Security Testing
12 9 (5.39%) Software Engineering
13 8 (4.79%) Business Intelligence
13 8 (4.79%) OO
Programming Languages
1 86 (51.50%) Python
2 61 (36.53%) JavaScript
3 59 (35.33%) Java
4 43 (25.75%) Go
5 21 (12.57%) SQL
6 20 (11.98%) Bash Shell
7 16 (9.58%) Scala
8 15 (8.98%) PHP
9 14 (8.38%) Groovy
10 8 (4.79%) C#
11 6 (3.59%) C++
12 5 (2.99%) Apple Swift
12 5 (2.99%) PowerShell
13 4 (2.40%) Kotlin
13 4 (2.40%) TypeScript
14 3 (1.80%) C
14 3 (1.80%) ES6
14 3 (1.80%) Perl
14 3 (1.80%) PL/SQL
14 3 (1.80%) Shell Script
Qualifications
1 8 (4.79%) Security Cleared
2 5 (2.99%) AWS Certification
3 4 (2.40%) BC Cleared
4 3 (1.80%) BPSS Clearance
4 3 (1.80%) CHECK Team Member
5 2 (1.20%) DBS Check
5 2 (1.20%) Degree
5 2 (1.20%) SC Cleared
6 1 (0.60%) DV Cleared
6 1 (0.60%) Postgraduate
Quality Assurance & Compliance
1 5 (2.99%) QA
2 4 (2.40%) PCI DSS
3 3 (1.80%) GDPR
4 2 (1.20%) WCAG
5 1 (0.60%) NCSC
System Software
1 27 (16.17%) Docker
2 4 (2.40%) Apache ZooKeeper
3 2 (1.20%) Apache Flume
3 2 (1.20%) HDFS
4 1 (0.60%) KVM
4 1 (0.60%) VMware Infrastructure
4 1 (0.60%) Xen
Systems Management
1 36 (21.56%) Terraform
2 35 (20.96%) Kubernetes
3 23 (13.77%) Puppet
4 18 (10.78%) Ansible
4 18 (10.78%) Opscode Chef
5 5 (2.99%) Docker Swarm
5 5 (2.99%) Rancher
6 4 (2.40%) CFEngine
6 4 (2.40%) Graphite
6 4 (2.40%) HP SiteScope
6 4 (2.40%) Nagios
6 4 (2.40%) Prometheus
6 4 (2.40%) SCCM
7 1 (0.60%) Host Intrusion Detection System
7 1 (0.60%) Icinga
7 1 (0.60%) Matomo
7 1 (0.60%) Network Intrusion Detection System
7 1 (0.60%) Packer
7 1 (0.60%) Salt
Vendors
1 17 (10.18%) Google
2 11 (6.59%) Splunk
3 8 (4.79%) Microsoft
4 7 (4.19%) Facebook
4 7 (4.19%) Red Hat
5 6 (3.59%) SaltStack
6 5 (2.99%) IBM
7 4 (2.40%) Oracle
7 4 (2.40%) PeopleSoft
8 3 (1.80%) Fortinet
8 3 (1.80%) Lets Encrypt
9 2 (1.20%) Apple
9 2 (1.20%) Atlassian
9 2 (1.20%) New Relic
9 2 (1.20%) Salesforce.com
9 2 (1.20%) TOWER Software
10 1 (0.60%) Netezza
10 1 (0.60%) Remedy
10 1 (0.60%) SAP
10 1 (0.60%) VMware