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 3 months to 29 March 2017 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 / City of London
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 91 96 110
Rank change year-on-year +5 +14  
Contract jobs citing Ruby 71 63 81
As % of all contract IT jobs advertised in the City of London 2.31% 1.86% 1.58%
As % of the Programming Languages category 4.73% 4.01% 3.63%
Number of daily rates quoted 62 60 62
Median daily rate £456 £475 £450
Median daily rate % change year-on-year -3.94% +5.55%  
90% offered a daily rate of more than £300 £373 £294
10% offered a daily rate of more than £575 £550 £525
UK excluding London median daily rate £450 £425 £408
% change year-on-year +5.88% +4.29%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £65.00 £23.25 £71.00
% change year-on-year +179.56% -67.25%  

Ruby is in the programming language skills category. The next 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 programming language skills.

Contract Programming Language Skills
City of London
Contract job vacancies with a requirement for programming language skills 1500 1573 2232
As % of all contract IT job vacancies advertised in the City of London 48.83% 46.47% 43.64%
Number of daily rates quoted 1233 1332 1797
Median daily rate £500 £475 £475
Median daily rate % change year-on-year +5.26% -  
90% offered a daily rate of more than £327 £325 £325
10% offered a daily rate of more than £625 £625 £615
UK excluding London median daily rate £388 £375 £350
% change year-on-year +3.33% +7.14%  
Number of hourly rates quoted 3 8 7
Median hourly rate £28.35 £29.64 £27.37
Median hourly rate % change year-on-year -4.36% +8.29%  
UK excluding London median hourly rate £41.50 £40.00 £36.00
% change year-on-year +3.75% +11.11%  

Ruby
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Ruby as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

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 3 months to 29 March 2017.

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 29 March 2017, IT contractor jobs citing Ruby also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for Ruby.

1 81 (59.56%) Python
2 70 (51.47%) DevOps
3 66 (48.53%) Linux
4 58 (42.65%) Agile Software Development
5 55 (40.44%) Java
6 48 (35.29%) Continuous Integration
7 42 (30.88%) Puppet
8 41 (30.15%) Amazon AWS
9 40 (29.41%) Ansible
10 39 (28.68%) Jenkins
10 39 (28.68%) Bash Shell
11 31 (22.79%) Perl
12 30 (22.06%) Git (software)
13 29 (21.32%) TDD
13 29 (21.32%) Finance
14 28 (20.59%) Docker
15 26 (19.12%) Opscode Chef
16 24 (17.65%) Open Source
16 24 (17.65%) JavaScript
17 23 (16.91%) MySQL
17 23 (16.91%) Configuration Management
18 21 (15.44%) Continuous Delivery
19 19 (13.97%) PostgreSQL
20 18 (13.24%) Unix
21 17 (12.50%) Windows
21 17 (12.50%) Ruby on Rails
21 17 (12.50%) Red Hat Enterprise Linux
21 17 (12.50%) BDD
22 16 (11.76%) Microsoft Azure
22 16 (11.76%) SQL

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 10 (7.35%) Tomcat
2 9 (6.62%) Apache
3 8 (5.88%) Confluence
3 8 (5.88%) OpenStack
4 7 (5.15%) Elasticsearch
5 6 (4.41%) nginx
6 4 (2.94%) Cloud Foundry
6 4 (2.94%) IIS
7 3 (2.21%) Apache Pig
7 3 (2.21%) JBoss
8 2 (1.47%) Apache Spark
9 1 (0.74%) Apache Solr
9 1 (0.74%) CloudStack
9 1 (0.74%) CMS
9 1 (0.74%) Drupal
9 1 (0.74%) Mule ESB
9 1 (0.74%) WebSphere
Applications
1 10 (7.35%) MS Excel
2 3 (2.21%) MS Office
3 1 (0.74%) Spreadsheet
Business Applications
1 2 (1.47%) SAP Oil and Gas
2 1 (0.74%) CA PPM
Cloud Services
1 41 (30.15%) Amazon AWS
2 16 (11.76%) Microsoft Azure
3 11 (8.09%) GitHub
4 7 (5.15%) AWS CloudFormation
5 5 (3.68%) Amazon EC2
6 4 (2.94%) Cloud Computing
6 4 (2.94%) SaaS
7 3 (2.21%) AWS Lambda
8 2 (1.47%) Akamai
8 2 (1.47%) Amazon S3
8 2 (1.47%) Amazon SQS
8 2 (1.47%) Datadog
8 2 (1.47%) Google Cloud Platform
8 2 (1.47%) IaaS
8 2 (1.47%) PaaS
9 1 (0.74%) Amazon ELB
9 1 (0.74%) AWS Elastic Beanstalk
9 1 (0.74%) Google Compute Engine
Communications & Networking
1 12 (8.82%) Firewall
2 11 (8.09%) TCP/IP
3 9 (6.62%) SSL
4 7 (5.15%) DNS
4 7 (5.15%) HTTP
5 5 (3.68%) VPN
6 3 (2.21%) Network Security
7 2 (1.47%) Internet
7 2 (1.47%) SAN
7 2 (1.47%) Wi-Fi
8 1 (0.74%) Cisco ASA
8 1 (0.74%) DHCP
8 1 (0.74%) DMZ
8 1 (0.74%) DVB
8 1 (0.74%) HTTPS
8 1 (0.74%) Reverse Proxy
8 1 (0.74%) SSH
8 1 (0.74%) Wireshark
Database & Business Intelligence
1 23 (16.91%) MySQL
2 19 (13.97%) PostgreSQL
3 14 (10.29%) MongoDB
4 12 (8.82%) SQL Server
5 10 (7.35%) Big Data
5 10 (7.35%) NoSQL
6 8 (5.88%) Redis
7 6 (4.41%) Apache Cassandra
7 6 (4.41%) Hadoop
7 6 (4.41%) MariaDB
8 4 (2.94%) Apache Hive
8 4 (2.94%) InfluxDB
8 4 (2.94%) Relational Database
9 3 (2.21%) RDBMS
9 3 (2.21%) SQL Server Integration Services
10 1 (0.74%) Amazon Redshift
10 1 (0.74%) CouchDB
10 1 (0.74%) HBase
10 1 (0.74%) Neo4j
10 1 (0.74%) SQL Server 2012
Development Applications
1 39 (28.68%) Jenkins
2 30 (22.06%) Git (software)
3 13 (9.56%) Cucumber
4 12 (8.82%) JIRA
5 8 (5.88%) Subversion
6 7 (5.15%) Bitbucket
6 7 (5.15%) TeamCity
7 6 (4.41%) Appium
7 6 (4.41%) Calabash
8 5 (3.68%) Hudson
8 5 (3.68%) Selenium
9 4 (2.94%) Atlassian Bamboo
9 4 (2.94%) Mercurial
10 3 (2.21%) Android Studio
10 3 (2.21%) Eclipse
10 3 (2.21%) RSpec
10 3 (2.21%) Xcode
11 2 (1.47%) Bazaar
11 2 (1.47%) Maven
11 2 (1.47%) WebDriver
General
1 29 (21.32%) Finance
2 13 (9.56%) Banking
3 7 (5.15%) Telecoms
4 6 (4.41%) Retail
5 4 (2.94%) Front Office
6 3 (2.21%) Marketing
7 2 (1.47%) Back Office
7 2 (1.47%) Electronics
7 2 (1.47%) Financial Institution
7 2 (1.47%) Games
7 2 (1.47%) Manufacturing
8 1 (0.74%) Advertising
8 1 (0.74%) Billing
8 1 (0.74%) Investment Banking
8 1 (0.74%) Publishing
8 1 (0.74%) Retail Banking
Job Titles
1 52 (38.24%) DevOps Engineer
2 33 (24.26%) Developer
3 16 (11.76%) Linux Engineer
4 13 (9.56%) Linux DevOps Engineer
4 13 (9.56%) Linux/Unix DevOps
5 11 (8.09%) Ruby Developer
6 9 (6.62%) AWS DevOps
6 9 (6.62%) AWS Engineer
7 6 (4.41%) DBA
7 6 (4.41%) Java Developer
7 6 (4.41%) Operations Engineer
8 5 (3.68%) Analyst
8 5 (3.68%) Big Data Engineer
8 5 (3.68%) Consultant
8 5 (3.68%) Senior DevOps
8 5 (3.68%) Test Engineer
9 4 (2.94%) Ruby Engineer
9 4 (2.94%) Ruby on Rails Developer
9 4 (2.94%) Senior DevOps Engineer
9 4 (2.94%) Software Engineer
Libraries, Frameworks & Software Standards
1 17 (12.50%) Ruby on Rails
2 16 (11.76%) HTML
3 15 (11.03%) CSS
4 13 (9.56%) .NET
5 11 (8.09%) LAMP
6 10 (7.35%) HTML5
6 10 (7.35%) Node.js
6 10 (7.35%) REST
7 8 (5.88%) AngularJS
7 8 (5.88%) LAPP Stack
8 7 (5.15%) jQuery
8 7 (5.15%) Web Services
9 6 (4.41%) CSS3
9 6 (4.41%) JSON
9 6 (4.41%) Sensu
9 6 (4.41%) XML
10 5 (3.68%) React
11 4 (2.94%) ASP.NET
12 3 (2.21%) Hibernate
12 3 (2.21%) RabbitMQ
Miscellaneous
1 10 (7.35%) Public Cloud
2 6 (4.41%) Clustering
2 6 (4.41%) Data Centre
3 4 (2.94%) User Experience
4 3 (2.21%) Computer Science
5 2 (1.47%) Analytical Skills
5 2 (1.47%) CMDB
5 2 (1.47%) Hedge funds
6 1 (0.74%) Algorithms
6 1 (0.74%) Cloud Native
6 1 (0.74%) Embedded Systems
6 1 (0.74%) Fintech
6 1 (0.74%) IPTV
6 1 (0.74%) Linux Command Line
6 1 (0.74%) Mobile App
6 1 (0.74%) Social Gaming
6 1 (0.74%) STB
Operating Systems
1 66 (48.53%) Linux
2 18 (13.24%) Unix
3 17 (12.50%) Red Hat Enterprise Linux
3 17 (12.50%) Windows
4 15 (11.03%) CentOS
5 10 (7.35%) Apple iOS
6 8 (5.88%) Android
7 7 (5.15%) Ubuntu
8 4 (2.94%) CoreOS
8 4 (2.94%) Mac OS
8 4 (2.94%) RancherOS
9 1 (0.74%) SUSE
Processes & Methodologies
1 70 (51.47%) DevOps
2 58 (42.65%) Agile Software Development
3 48 (35.29%) Continuous Integration
4 29 (21.32%) TDD
5 24 (17.65%) Open Source
6 23 (16.91%) Configuration Management
7 21 (15.44%) Continuous Delivery
8 17 (12.50%) BDD
9 15 (11.03%) High Availability
10 12 (8.82%) Load Balancing
11 11 (8.09%) Performance Monitoring
11 11 (8.09%) Performance Tuning
12 10 (7.35%) E-Commerce
12 10 (7.35%) Microservices
12 10 (7.35%) Scrum
13 9 (6.62%) Build Automation
13 9 (6.62%) Web Development
14 8 (5.88%) Software Engineering
15 7 (5.15%) Continuous Deployment
15 7 (5.15%) MVC
Programming Languages
1 81 (59.56%) Python
2 55 (40.44%) Java
3 39 (28.68%) Bash Shell
4 31 (22.79%) Perl
5 24 (17.65%) JavaScript
6 16 (11.76%) SQL
7 14 (10.29%) Go
8 13 (9.56%) C#
9 10 (7.35%) PHP
9 10 (7.35%) Shell Script
10 9 (6.62%) PowerShell
11 7 (5.15%) C
12 4 (2.94%) Apple Swift
12 4 (2.94%) Scala
13 3 (2.21%) VB
14 2 (1.47%) C++
14 2 (1.47%) Smalltalk
15 1 (0.74%) ActionScript
15 1 (0.74%) ES6
15 1 (0.74%) Objective-C
Qualifications
1 8 (5.88%) Security Cleared
2 7 (5.15%) Degree
3 5 (3.68%) SC Cleared
4 3 (2.21%) DV Cleared
5 1 (0.74%) BPSS Clearance
5 1 (0.74%) CEH
5 1 (0.74%) CHECK Team Member
5 1 (0.74%) CISMP
5 1 (0.74%) CISSP
5 1 (0.74%) GIAC
Quality Assurance & Compliance
1 7 (5.15%) QA
2 2 (1.47%) SDET
3 1 (0.74%) Disclosure Scotland
3 1 (0.74%) ISO/IEC 27001
3 1 (0.74%) PCI DSS
3 1 (0.74%) SLA
System Software
1 28 (20.59%) Docker
2 6 (4.41%) VMware Infrastructure
3 4 (2.94%) etcd
3 4 (2.94%) flannel
4 3 (2.21%) GlusterFS
4 3 (2.21%) Shibboleth
5 2 (1.47%) GFS2
5 2 (1.47%) HDFS
5 2 (1.47%) OCFS2
6 1 (0.74%) Active Directory
6 1 (0.74%) Ceph
6 1 (0.74%) Gluster
6 1 (0.74%) iptables
6 1 (0.74%) NFS
6 1 (0.74%) vCloud
6 1 (0.74%) Virtual Machines
6 1 (0.74%) vSphere
6 1 (0.74%) Xen
6 1 (0.74%) XenServer
Systems Management
1 42 (30.88%) Puppet
2 40 (29.41%) Ansible
3 26 (19.12%) Opscode Chef
4 13 (9.56%) Kubernetes
5 12 (8.82%) Terraform
6 11 (8.09%) logstash
7 9 (6.62%) Mesos
8 7 (5.15%) HAProxy
9 6 (4.41%) Graphite
9 6 (4.41%) Marathon
9 6 (4.41%) Nagios
10 5 (3.68%) Grafana
11 4 (2.94%) Cobbler
11 4 (2.94%) Consul
11 4 (2.94%) Docker Swarm
11 4 (2.94%) Host Intrusion Detection System
11 4 (2.94%) Network Intrusion Detection System
11 4 (2.94%) Rancher
11 4 (2.94%) Red Hat Spacewalk
12 3 (2.21%) Salt
Vendors
1 9 (6.62%) Red Hat
1 9 (6.62%) VMware
2 8 (5.88%) Splunk
3 4 (2.94%) Google
3 4 (2.94%) Microsoft
3 4 (2.94%) Oracle
3 4 (2.94%) Sybase
4 3 (2.21%) Atlassian
4 3 (2.21%) F5
4 3 (2.21%) Infragistics
4 3 (2.21%) webMethods
5 2 (1.47%) EMC
5 2 (1.47%) Perforce
5 2 (1.47%) SAP
6 1 (0.74%) Apple
6 1 (0.74%) Cisco
6 1 (0.74%) Facebook
6 1 (0.74%) Hortonworks
6 1 (0.74%) NetApp
6 1 (0.74%) Rackspace
City, London
ANSON MCCADE
Rate: Up to £600 per day on a rolling 3 month contract
Posted: Yesterday
City, London
Futureheads
Posted: Yesterday
City, London
Computer People
Rate: £550 - £600 per day
Posted: 4 days ago
City, London
Oscar
Rate: £400 - £550 per day
Posted: 4 days ago
City, London
Morgan Mckinley
Rate: £450 - £550 per day
Posted: 6 days ago
City, London
ANSON MCCADE
Rate: £450 - £550 per day
Posted: 6 days ago
City, London
ANSON MCCADE
Rate: £450-£600
Posted: 5 days ago
City, London
ANSON MCCADE
Rate: £450-£600
Posted: 6 days ago
City, London
Thebes IT
Posted: 4 days ago
City of London
Pearson Frank
Rate: £250 - £300 per day
Posted: 3 days ago