Period
to 19 November 2017

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 19 November 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
Central London > City of London
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 97 68 106
Rank change year-on-year -29 +38 +21
Contract jobs citing Ruby 158 239 192
As % of all contract IT jobs advertised in the City of London 2.25% 3.59% 2.09%
As % of the Programming Languages category 4.28% 7.10% 4.48%
Number of daily rates quoted 133 203 170
City of London median daily rate £550 £500 £450
Median daily rate % change year-on-year +10.00% +11.11% -
10th Percentile £425 £381 £325
90th Percentile £669 £625 £638
Central London median daily rate £550 £500 £450
% change year-on-year +10.00% +11.11% -0.88%
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 3694 3364 4288
As % of all contract IT jobs advertised in the City of London 52.58% 50.57% 46.68%
Number of daily rates quoted 3067 2831 3595
City of London median daily rate £525 £475 £475
Median daily rate % change year-on-year +10.53% - +5.56%
10th Percentile £363 £325 £313
90th Percentile £688 £650 £663
Central London median daily rate £513 £475 £475
% change year-on-year +7.89% - +5.56%
Number of hourly rates quoted 14 10 20
City of London median hourly rate £22.99 £27.50 £26.09
Median hourly rate % change year-on-year -16.39% +5.42% +30.43%
10th Percentile £15.12 £16.06 £15.69
90th Percentile £39.10 £55.19 £43.29
Central London median hourly rate £24.49 £27.50 £26.09
% change year-on-year -10.96% +5.42% +30.43%

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 19 November 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 19 November 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.

1 117 (74.05%) Python
2 96 (60.76%) DevOps
3 72 (45.57%) Amazon AWS
4 71 (44.94%) Agile Software Development
5 61 (38.61%) Java
6 49 (31.01%) Ansible
7 45 (28.48%) Linux
8 43 (27.22%) TDD
8 43 (27.22%) Jenkins
9 42 (26.58%) Git (software)
10 38 (24.05%) Configuration Management
10 38 (24.05%) Bash Shell
11 37 (23.42%) Puppet
11 37 (23.42%) Test Automation
12 36 (22.78%) Finance
13 35 (22.15%) Banking
14 33 (20.89%) Docker
15 29 (18.35%) JIRA
16 28 (17.72%) Unix
17 24 (15.19%) Kubernetes
18 23 (14.56%) Opscode Chef
19 22 (13.92%) Cucumber
19 22 (13.92%) JavaScript
19 22 (13.92%) Selenium
19 22 (13.92%) Continuous Integration
20 21 (13.29%) Investment Management
21 20 (12.66%) Microsoft Azure
21 20 (12.66%) Go
22 19 (12.03%) Open Source
22 19 (12.03%) BDD

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 11 (6.96%) nginx
2 10 (6.33%) JBoss
3 7 (4.43%) Tomcat
4 6 (3.80%) Apache
4 6 (3.80%) Jetty
5 5 (3.16%) Elasticsearch
5 5 (3.16%) IIS
6 4 (2.53%) Cloud Foundry
7 3 (1.90%) Confluence
7 3 (1.90%) OpenStack
8 2 (1.27%) CMS
9 1 (0.63%) Adobe Experience Manager
9 1 (0.63%) Apache Solr
9 1 (0.63%) WebLogic
Applications
1 1 (0.63%) Microsoft Excel
1 1 (0.63%) Microsoft Office
1 1 (0.63%) Microsoft PowerPoint
1 1 (0.63%) MS Visio
Business Applications
1 2 (1.27%) Shopify
1 2 (1.27%) SunGard GMI
2 1 (0.63%) Exstream
2 1 (0.63%) Magento
Cloud Services
1 72 (45.57%) Amazon AWS
2 20 (12.66%) Microsoft Azure
3 13 (8.23%) OpenShift
4 7 (4.43%) Amazon EC2
4 7 (4.43%) Amazon S3
4 7 (4.43%) AWS CloudFormation
4 7 (4.43%) Route 53
5 5 (3.16%) Amazon SQS
5 5 (3.16%) Cloud Computing
5 5 (3.16%) IaaS
6 4 (2.53%) GitHub
6 4 (2.53%) SaaS
7 3 (1.90%) npm
8 2 (1.27%) Amazon CloudWatch
8 2 (1.27%) AWS CloudTrail
8 2 (1.27%) Virtual Private Cloud
9 1 (0.63%) Amazon ElastiCache
9 1 (0.63%) AWS Elastic Beanstalk
9 1 (0.63%) Google Cloud Platform
9 1 (0.63%) Slack
Communications & Networking
1 11 (6.96%) Firewall
2 10 (6.33%) TCP/IP
3 8 (5.06%) HTTP
4 7 (4.43%) DNS
5 5 (3.16%) HTTPS
6 4 (2.53%) Network Security
6 4 (2.53%) SSL
7 2 (1.27%) IPsec
7 2 (1.27%) LDAP
7 2 (1.27%) VPN
7 2 (1.27%) ZigBee
8 1 (0.63%) BIG-IP
8 1 (0.63%) Cisco ASA
8 1 (0.63%) Cisco Nexus
8 1 (0.63%) Ethernet
8 1 (0.63%) Internet
8 1 (0.63%) LAN
8 1 (0.63%) SSH
8 1 (0.63%) WAN
Database & Business Intelligence
1 11 (6.96%) MySQL
2 8 (5.06%) MongoDB
2 8 (5.06%) NoSQL
3 7 (4.43%) Relational Database
4 6 (3.80%) SQL Server
5 5 (3.16%) Apache Cassandra
5 5 (3.16%) PostgreSQL
6 4 (2.53%) Big Data
7 3 (1.90%) Amazon RDS
8 2 (1.27%) Hazelcast
8 2 (1.27%) Redis
9 1 (0.63%) Amazon DynamoDB
9 1 (0.63%) CouchDB
9 1 (0.63%) Hadoop
9 1 (0.63%) HBase
9 1 (0.63%) InfluxDB
9 1 (0.63%) RDBMS
Development Applications
1 43 (27.22%) Jenkins
2 42 (26.58%) Git (software)
3 29 (18.35%) JIRA
4 22 (13.92%) Cucumber
4 22 (13.92%) Selenium
5 16 (10.13%) Maven
5 16 (10.13%) Subversion
6 11 (6.96%) Sonatype Nexus
7 8 (5.06%) RSpec
7 8 (5.06%) Team Foundation Server
8 7 (4.43%) TeamCity
8 7 (4.43%) WebDriver
9 6 (3.80%) Appium
10 5 (3.16%) Artifactory
10 5 (3.16%) Xcode
11 4 (2.53%) Calabash
12 3 (1.90%) Capybara
12 3 (1.90%) JMeter
12 3 (1.90%) Liquibase
12 3 (1.90%) Vagrant
General
1 36 (22.78%) Finance
2 35 (22.15%) Banking
3 4 (2.53%) Investment Banking
4 3 (1.90%) Front Office
5 2 (1.27%) Advertising
5 2 (1.27%) Games
5 2 (1.27%) Marketing
5 2 (1.27%) Publishing
6 1 (0.63%) Back Office
6 1 (0.63%) Financial Institution
6 1 (0.63%) Legal
6 1 (0.63%) Retail
6 1 (0.63%) Telecoms
Job Titles
1 52 (32.91%) Developer
1 52 (32.91%) DevOps Engineer
2 20 (12.66%) AWS DevOps
2 20 (12.66%) AWS Engineer
3 17 (10.76%) AWS DevOps Engineer
3 17 (10.76%) Cloud Engineer
3 17 (10.76%) Senior Developer
4 15 (9.49%) Ruby Developer
5 13 (8.23%) AWS Developer
6 12 (7.59%) Developer in Test
6 12 (7.59%) Senior Ruby Developer
7 11 (6.96%) Ruby Engineer
8 9 (5.70%) Senior DevOps
9 8 (5.06%) Senior DevOps Engineer
10 7 (4.43%) .NET Developer
10 7 (4.43%) Automation Engineer
10 7 (4.43%) Python Developer
10 7 (4.43%) Ruby on Rails Developer
10 7 (4.43%) Senior Python Developer
10 7 (4.43%) Software Developer
Libraries, Frameworks & Software Standards
1 19 (12.03%) Web Services
2 16 (10.13%) Node.js
2 16 (10.13%) Ruby on Rails
3 13 (8.23%) JSON
4 12 (7.59%) HTML
5 11 (6.96%) CSS
6 10 (6.33%) .NET
6 10 (6.33%) AngularJS
6 10 (6.33%) J2EE
6 10 (6.33%) REST
6 10 (6.33%) RESTful
6 10 (6.33%) XML
7 8 (5.06%) jQuery
8 7 (4.43%) Spring
9 6 (3.80%) Elastic Stack
9 6 (3.80%) HTML5
9 6 (3.80%) LEMP Stack
10 5 (3.16%) React
11 4 (2.53%) Gherkin
11 4 (2.53%) Spring MVC
Miscellaneous
1 16 (10.13%) Greenfield Project
2 12 (7.59%) Mobile App
3 7 (4.43%) Computer Science
3 7 (4.43%) Public Cloud
4 6 (3.80%) Analytical Skills
4 6 (3.80%) Linux Command Line
5 5 (3.16%) Data Structures
6 4 (2.53%) Enterprise Cloud
6 4 (2.53%) PKI
6 4 (2.53%) Private Cloud
6 4 (2.53%) Virtual Team
7 3 (1.90%) Derivative
7 3 (1.90%) Equities
7 3 (1.90%) Fixed Income
7 3 (1.90%) Foreign Exchange (FX)
8 2 (1.27%) Fintech
8 2 (1.27%) User Experience
9 1 (0.63%) Hybrid Cloud
9 1 (0.63%) Semantic Web
9 1 (0.63%) Social Gaming
Operating Systems
1 45 (28.48%) Linux
2 28 (17.72%) Unix
3 14 (8.86%) Windows
4 8 (5.06%) CentOS
5 7 (4.43%) Ubuntu
6 3 (1.90%) Windows Server
7 2 (1.27%) Debian
7 2 (1.27%) Red Hat Enterprise Linux
8 1 (0.63%) AIX
8 1 (0.63%) Android
8 1 (0.63%) Apple iOS
8 1 (0.63%) Fedora
8 1 (0.63%) Windows Server 2008
8 1 (0.63%) Windows Server 2012
Processes & Methodologies
1 96 (60.76%) DevOps
2 71 (44.94%) Agile Software Development
3 43 (27.22%) TDD
4 38 (24.05%) Configuration Management
5 37 (23.42%) Test Automation
6 22 (13.92%) Continuous Integration
7 21 (13.29%) Investment Management
8 19 (12.03%) BDD
8 19 (12.03%) Open Source
8 19 (12.03%) Pair Programming
9 12 (7.59%) Extreme Programming
9 12 (7.59%) Software Engineering
10 11 (6.96%) MVC
10 11 (6.96%) Performance Testing
11 10 (6.33%) Microservices
12 9 (5.70%) Memory Management
12 9 (5.70%) Release Management
12 9 (5.70%) SDET
13 8 (5.06%) Continuous Delivery
14 7 (4.43%) Security Operations
Programming Languages
1 117 (74.05%) Python
2 61 (38.61%) Java
3 38 (24.05%) Bash Shell
4 22 (13.92%) JavaScript
5 20 (12.66%) Go
6 17 (10.76%) Perl
7 14 (8.86%) C#
8 12 (7.59%) SQL
9 9 (5.70%) Apple Swift
10 8 (5.06%) Shell Script
11 7 (4.43%) Scala
12 6 (3.80%) Objective-C
12 6 (3.80%) PHP
13 4 (2.53%) PowerShell
14 3 (1.90%) T-SQL
15 2 (1.27%) C++
15 2 (1.27%) Clojure
15 2 (1.27%) C-shell
15 2 (1.27%) Groovy
15 2 (1.27%) Korn
Qualifications
1 9 (5.70%) Degree
2 8 (5.06%) Security Cleared
3 5 (3.16%) SC Cleared
4 3 (1.90%) CISSP
5 2 (1.27%) (ISC)2 CCSP
5 2 (1.27%) CCSP
5 2 (1.27%) Cisco Certification
5 2 (1.27%) CISM
6 1 (0.63%) AWS Certification
6 1 (0.63%) BPSS Clearance
6 1 (0.63%) CEH
6 1 (0.63%) CHECK Team Member
6 1 (0.63%) CREST Certified
6 1 (0.63%) GIAC
6 1 (0.63%) PRINCE2 Certification
6 1 (0.63%) SANS
Quality Assurance & Compliance
1 17 (10.76%) QA
2 3 (1.90%) MiFID
3 2 (1.27%) ISO/IEC 27001
3 2 (1.27%) PCI DSS
System Software
1 33 (20.89%) Docker
2 3 (1.90%) Active Directory
3 2 (1.27%) Apache ZooKeeper
3 2 (1.27%) Firmware
3 2 (1.27%) VirtualBox
4 1 (0.63%) HDFS
4 1 (0.63%) Hyper-V
4 1 (0.63%) iptables
4 1 (0.63%) VMware ESXi
4 1 (0.63%) VMware Infrastructure
4 1 (0.63%) XenApp
4 1 (0.63%) XenDesktop
Systems Management
1 49 (31.01%) Ansible
2 37 (23.42%) Puppet
3 24 (15.19%) Kubernetes
4 23 (14.56%) Opscode Chef
5 13 (8.23%) Terraform
6 10 (6.33%) Packer
7 7 (4.43%) Nagios
8 6 (3.80%) ITRS Geneos
8 6 (3.80%) Kibana
8 6 (3.80%) logstash
9 3 (1.90%) Docker Swarm
9 3 (1.90%) Grafana
9 3 (1.90%) HAProxy
9 3 (1.90%) Mesos
9 3 (1.90%) Salt
10 2 (1.27%) Consul
10 2 (1.27%) Nessus
10 2 (1.27%) Norton AntiVirus
10 2 (1.27%) OSSEC
11 1 (0.63%) ZABBIX
Vendors
1 12 (7.59%) Red Hat
2 10 (6.33%) Splunk
3 7 (4.43%) Microsoft
4 5 (3.16%) Cisco
4 5 (3.16%) Google
5 4 (2.53%) AppDynamics
5 4 (2.53%) VMware
6 2 (1.27%) Apiary
6 2 (1.27%) CQG
6 2 (1.27%) Fidessa
6 2 (1.27%) FIS
6 2 (1.27%) IBM
6 2 (1.27%) Intel
6 2 (1.27%) McAfee
6 2 (1.27%) New Relic
6 2 (1.27%) Sourcefire
6 2 (1.27%) SunGard
6 2 (1.27%) Symantec
6 2 (1.27%) Trend Micro
6 2 (1.27%) Tripwire