Period
to 26 June 2019

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 26 June 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
London > Central London
6 months to
26 Jun 2019
Same period 2018 Same period 2017
Rank 130 92 111
Rank change year-on-year -38 +19 -45
Contract jobs citing Ruby 162 263 163
As % of all contract IT jobs advertised in Central London 1.92% 2.88% 2.20%
As % of the Programming Languages category 3.77% 5.51% 4.48%
Number of daily rates quoted 137 209 134
Central London median daily rate £525 £525 £475
Median daily rate % change year-on-year - +10.53% -
10th Percentile £436 £425 £313
90th Percentile £708 £665 £613
London median daily rate £550 £525 £500
% change year-on-year +4.76% +5.00% +4.17%
Number of hourly rates quoted 1 3 0
Central London median hourly rate £70.00 £13.00 -
Median hourly rate % change year-on-year +438.46% - -
London median hourly rate £70.00 £33.50 £40.00
% change year-on-year +108.96% -16.25% -20.00%

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 4,302 4,776 3,637
As % of all contract IT jobs advertised in Central London 50.91% 52.36% 49.03%
Number of daily rates quoted 3,455 3,955 2,908
Central London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +8.11%
10th Percentile £400 £363 £325
90th Percentile £675 £675 £650
London median daily rate £525 £505 £490
% change year-on-year +3.96% +3.06% +8.53%
Number of hourly rates quoted 23 24 7
Central London median hourly rate £35.00 £21.50 £28.35
Median hourly rate % change year-on-year +62.79% -24.15% +9.02%
10th Percentile £21.00 £12.90 £16.65
90th Percentile £59.90 £66.00 £39.70
London median hourly rate £36.67 £42.50 £40.13
% change year-on-year -13.72% +5.91% +34.15%

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 26 June 2019.

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 26 June 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
City of London -40 117 £550 +4.76% 41
City of Westminster -5 13 £500 -33.33% 1
West End of London -4 5 £480 -14.67%
Ruby
London

For the 6 months to 26 June 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 Central London region with a requirement for Ruby.

1 80 (49.38%) Python
2 78 (48.15%) Agile Software Development
3 66 (40.74%) Linux
4 59 (36.42%) Amazon AWS
5 55 (33.95%) DevOps
6 52 (32.10%) JavaScript
7 50 (30.86%) Ruby on Rails
8 49 (30.25%) TDD
9 45 (27.78%) Java
10 42 (25.93%) Docker
11 35 (21.60%) Git (software)
11 35 (21.60%) Kubernetes
12 34 (20.99%) Continuous Integration
12 34 (20.99%) HTML
13 33 (20.37%) CSS
14 32 (19.75%) SQL
15 30 (18.52%) Ansible
16 29 (17.90%) Scrum
16 29 (17.90%) Web Development
17 27 (16.67%) PostgreSQL
18 26 (16.05%) Jenkins
19 25 (15.43%) Go
20 24 (14.81%) Node.js
21 23 (14.20%) JSON
22 22 (13.58%) Test Automation
22 22 (13.58%) Bash Shell
22 22 (13.58%) Puppet
22 22 (13.58%) Terraform
23 20 (12.35%) Security Cleared
24 18 (11.11%) Microsoft Azure

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 (10.49%) Apache
2 14 (8.64%) nginx
3 10 (6.17%) Elasticsearch
4 7 (4.32%) Confluence
5 5 (3.09%) Cloud Foundry
5 5 (3.09%) Tomcat
6 3 (1.85%) IIS
7 1 (0.62%) Apache Pig
7 1 (0.62%) Apache Solr
7 1 (0.62%) CMS
7 1 (0.62%) JBoss
7 1 (0.62%) Jetty
7 1 (0.62%) Mongrel
7 1 (0.62%) OpenStack
7 1 (0.62%) Sitecore CMS
7 1 (0.62%) WebLogic
7 1 (0.62%) WebSphere
Cloud Services
1 59 (36.42%) Amazon AWS
2 18 (11.11%) GitHub
2 18 (11.11%) Microsoft Azure
3 8 (4.94%) AWS CloudFormation
4 7 (4.32%) Amazon EC2
4 7 (4.32%) Amazon S3
5 6 (3.70%) Google Cloud Platform
5 6 (3.70%) OpenShift
6 5 (3.09%) IaaS
6 5 (3.09%) Trello
7 3 (1.85%) Amazon ECS
7 3 (1.85%) Amazon ELB
7 3 (1.85%) Cloud Computing
8 2 (1.23%) Amazon EKS
8 2 (1.23%) Apigee
8 2 (1.23%) Quay.io
8 2 (1.23%) Serverless
8 2 (1.23%) Slack
9 1 (0.62%) AWS Fargate
9 1 (0.62%) CloudBees
Communications & Networking
1 6 (3.70%) Firewall
2 2 (1.23%) HTTP
2 2 (1.23%) Internet
3 1 (0.62%) DNS
3 1 (0.62%) SSL
3 1 (0.62%) TCP/IP
Database & Business Intelligence
1 27 (16.67%) PostgreSQL
2 14 (8.64%) NoSQL
3 13 (8.02%) MySQL
4 12 (7.41%) MongoDB
5 8 (4.94%) Amazon DynamoDB
6 5 (3.09%) Big Data
7 4 (2.47%) Amazon RDS
7 4 (2.47%) Redis
8 2 (1.23%) Apache Cassandra
8 2 (1.23%) Hadoop
8 2 (1.23%) RDBMS
8 2 (1.23%) Relational Database
8 2 (1.23%) SQL Server
9 1 (0.62%) Amazon Redshift
9 1 (0.62%) Apache Hive
9 1 (0.62%) Apache Kudu
9 1 (0.62%) Data Warehouse
9 1 (0.62%) HBase
9 1 (0.62%) Impala
9 1 (0.62%) InfluxDB
Development Applications
1 35 (21.60%) Git (software)
2 26 (16.05%) Jenkins
3 17 (10.49%) JIRA
4 8 (4.94%) Selenium
5 6 (3.70%) git-flow
5 6 (3.70%) GoCD
6 5 (3.09%) Ant
6 5 (3.09%) Cucumber
7 4 (2.47%) Artifactory
7 4 (2.47%) Bundler
7 4 (2.47%) RubyGems
8 3 (1.85%) Atlassian Bamboo
8 3 (1.85%) GitLab
8 3 (1.85%) Maven
8 3 (1.85%) Octopus Deploy
8 3 (1.85%) TeamCity
9 2 (1.23%) JMeter
9 2 (1.23%) Spinnaker
9 2 (1.23%) Subversion
9 2 (1.23%) Vagrant
General
1 17 (10.49%) Finance
2 3 (1.85%) Banking
2 3 (1.85%) Retail
3 1 (0.62%) Advertising
3 1 (0.62%) Games
3 1 (0.62%) Law
Job Titles
1 67 (41.36%) Developer
2 41 (25.31%) Ruby Developer
3 29 (17.90%) DevOps Engineer
4 25 (15.43%) Architect
5 14 (8.64%) Ruby on Rails Developer
6 12 (7.41%) Technical Architect
7 10 (6.17%) AWS DevOps
8 8 (4.94%) Senior Developer
9 7 (4.32%) Penetration Tester
9 7 (4.32%) Senior Architect
9 7 (4.32%) Senior DevOps
9 7 (4.32%) Tester
10 6 (3.70%) Full Stack Developer
10 6 (3.70%) Senior DevOps Engineer
10 6 (3.70%) Senior Ruby Developer
11 5 (3.09%) Analyst
11 5 (3.09%) AWS Engineer
11 5 (3.09%) Linux/Unix DevOps
11 5 (3.09%) Python Developer
11 5 (3.09%) Senior Technical Architect
Libraries, Frameworks & Software Standards
1 50 (30.86%) Ruby on Rails
2 34 (20.99%) HTML
3 33 (20.37%) CSS
4 24 (14.81%) Node.js
5 23 (14.20%) JSON
6 14 (8.64%) React
7 13 (8.02%) SOAP
8 12 (7.41%) jQuery
8 12 (7.41%) Web Services
9 10 (6.17%) RESTful
9 10 (6.17%) Spring
9 10 (6.17%) Twitter Bootstrap
10 8 (4.94%) Vue.js
11 7 (4.32%) .NET
11 7 (4.32%) AngularJS
12 5 (3.09%) REST
13 4 (2.47%) HATEOAS
13 4 (2.47%) Kafka
13 4 (2.47%) OAuth
13 4 (2.47%) Play Framework
Miscellaneous
1 13 (8.02%) Greenfield Project
2 5 (3.09%) Data Centre
3 4 (2.47%) Enterprise Software
3 4 (2.47%) Mobile App
4 3 (1.85%) Analytical Skills
4 3 (1.85%) Cloud Native
5 2 (1.23%) Enterprise Cloud
5 2 (1.23%) PKI
5 2 (1.23%) Public Cloud
5 2 (1.23%) Smartphone
6 1 (0.62%) Clustering
6 1 (0.62%) Embedded Systems
6 1 (0.62%) Linux Command Line
6 1 (0.62%) Self-Motivation
6 1 (0.62%) Smart Meter
6 1 (0.62%) User Experience
Operating Systems
1 66 (40.74%) Linux
2 15 (9.26%) Red Hat Enterprise Linux
2 15 (9.26%) Unix
3 11 (6.79%) Ubuntu
4 10 (6.17%) Windows
5 8 (4.94%) Mac OS X
6 5 (3.09%) CentOS
7 4 (2.47%) Debian
7 4 (2.47%) Windows Server
8 3 (1.85%) Android
8 3 (1.85%) Apple iOS
8 3 (1.85%) openSUSE
9 2 (1.23%) CoreOS
10 1 (0.62%) Amazon Linux
10 1 (0.62%) Fedora
10 1 (0.62%) FreeBSD
10 1 (0.62%) Mac OS
Processes & Methodologies
1 78 (48.15%) Agile Software Development
2 55 (33.95%) DevOps
3 49 (30.25%) TDD
4 34 (20.99%) Continuous Integration
5 29 (17.90%) Scrum
5 29 (17.90%) Web Development
6 22 (13.58%) Test Automation
7 18 (11.11%) Microservices
8 16 (9.88%) BDD
9 15 (9.26%) Mentoring
9 15 (9.26%) Open Source
10 14 (8.64%) Configuration Management
10 14 (8.64%) Continuous Delivery
11 13 (8.02%) Kanban
12 11 (6.79%) OWASP
13 10 (6.17%) Infrastructure as Code
14 9 (5.56%) E-Commerce
14 9 (5.56%) Front End Development
14 9 (5.56%) Migration
14 9 (5.56%) Penetration Testing
Programming Languages
1 80 (49.38%) Python
2 52 (32.10%) JavaScript
3 45 (27.78%) Java
4 32 (19.75%) SQL
5 25 (15.43%) Go
6 22 (13.58%) Bash Shell
7 12 (7.41%) Perl
8 11 (6.79%) PHP
9 8 (4.94%) Scala
10 7 (4.32%) PowerShell
11 5 (3.09%) C#
11 5 (3.09%) Groovy
12 4 (2.47%) TypeScript
13 3 (1.85%) PL/SQL
13 3 (1.85%) Shell Script
14 2 (1.23%) C++
15 1 (0.62%) C
15 1 (0.62%) CoffeeScript
15 1 (0.62%) ES6
15 1 (0.62%) Haskell
Qualifications
1 20 (12.35%) Security Cleared
2 16 (9.88%) SC Cleared
3 4 (2.47%) Degree
3 4 (2.47%) DV Cleared
4 3 (1.85%) AWS Certification
4 3 (1.85%) CHECK Team Member
4 3 (1.85%) Computer Science Degree
4 3 (1.85%) RHCE
5 2 (1.23%) BPSS Clearance
5 2 (1.23%) CTC Cleared
5 2 (1.23%) DBS Check
Quality Assurance & Compliance
1 5 (3.09%) QA
2 3 (1.85%) COBIT
2 3 (1.85%) ISO/IEC 27001
2 3 (1.85%) NIST
System Software
1 42 (25.93%) Docker
2 3 (1.85%) etcd
2 3 (1.85%) VMware Infrastructure
3 2 (1.23%) Active Directory
3 2 (1.23%) Ceph
3 2 (1.23%) flannel
3 2 (1.23%) GlusterFS
3 2 (1.23%) SkyDNS
3 2 (1.23%) Varnish
4 1 (0.62%) Apache Flume
4 1 (0.62%) HDFS
4 1 (0.62%) KVM
4 1 (0.62%) Virtual Machines
4 1 (0.62%) VirtualBox
4 1 (0.62%) Xen
Systems Management
1 35 (21.60%) Kubernetes
2 30 (18.52%) Ansible
3 22 (13.58%) Puppet
3 22 (13.58%) Terraform
4 16 (9.88%) Opscode Chef
5 8 (4.94%) Packer
6 7 (4.32%) Prometheus
7 5 (3.09%) Grafana
8 4 (2.47%) collectd
8 4 (2.47%) Fluentd
8 4 (2.47%) Graphite
8 4 (2.47%) HAProxy
8 4 (2.47%) StatsD
9 3 (1.85%) Consul
9 3 (1.85%) HP Fortify
9 3 (1.85%) Mesos
9 3 (1.85%) Nessus
9 3 (1.85%) Rundeck
10 2 (1.23%) Host Intrusion Detection System
10 2 (1.23%) Kibana
Vendors
1 5 (3.09%) Google
1 5 (3.09%) Red Hat
1 5 (3.09%) SaltStack
2 4 (2.47%) Adobe
2 4 (2.47%) Microsoft
2 4 (2.47%) PagerDuty
2 4 (2.47%) Qualys
2 4 (2.47%) VMware
3 3 (1.85%) Salesforce.com
4 2 (1.23%) Atlassian
4 2 (1.23%) Splunk
5 1 (0.62%) BT
5 1 (0.62%) Cloudera
5 1 (0.62%) hybris
5 1 (0.62%) Oracle
5 1 (0.62%) Perforce
5 1 (0.62%) Rackspace
5 1 (0.62%) Sitecore
5 1 (0.62%) Tableau
5 1 (0.62%) webMethods