Period
to 20 November 2017

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Ruby skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Ruby over the 6 months to 20 November 2017 with a comparison to the same period in the previous 2 years.

Ruby
Central London > City of London
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 100 89 92
Rank change year-on-year -11 +3 +39
Permanent jobs citing Ruby 300 402 522
As % of all permanent IT jobs advertised in the City of London 2.94% 3.49% 3.05%
As % of the Programming Languages category 5.17% 5.98% 5.54%
Number of salaries quoted 271 353 461
City of London median annual salary £65,000 £62,500 £60,000
Median salary % change year-on-year +4.00% +4.17% +9.09%
10th Percentile £42,500 £41,250 £38,750
90th Percentile £95,000 £87,500 £85,000
Central London median annual salary £62,500 £60,000 £60,000
% change year-on-year +4.17% - +9.09%

Ruby is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for coding skills.

All Programming Languages
City of London
Permanent vacancies with a requirement for coding skills 5807 6723 9421
As % of all permanent IT jobs advertised in the City of London 56.89% 58.30% 54.97%
Number of salaries quoted 5328 6205 8309
City of London median annual salary £60,500 £58,000 £57,500
Median salary % change year-on-year +4.31% +0.87% +4.55%
10th Percentile £37,500 £37,500 £35,000
90th Percentile £95,000 £90,000 £86,500
Central London median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% -

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
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Ruby in the City of London.

Salary trend for Ruby in the City of London

Ruby
Salary Histogram in the City of London

The salary distribution of IT jobs citing Ruby in the City of London over the 6 months to 20 November 2017.

Salary histogram for Ruby in the City of London

For the 6 months to 20 November 2017, IT jobs citing Ruby also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the City of London region with a requirement for Ruby.

1 176 (58.67%) Python
2 138 (46.00%) Java
3 132 (44.00%) Agile Software Development
4 127 (42.33%) DevOps
5 106 (35.33%) Ruby on Rails
6 96 (32.00%) Amazon AWS
7 94 (31.33%) Linux
8 86 (28.67%) JavaScript
9 72 (24.00%) TDD
10 71 (23.67%) Finance
11 66 (22.00%) Scrum
11 66 (22.00%) Puppet
12 61 (20.33%) Continuous Integration
13 58 (19.33%) Ansible
14 57 (19.00%) SQL
15 55 (18.33%) Docker
16 53 (17.67%) Fintech
16 53 (17.67%) Perl
17 51 (17.00%) PHP
17 51 (17.00%) HTML
18 46 (15.33%) Opscode Chef
19 45 (15.00%) Bash Shell
19 45 (15.00%) Git (software)
19 45 (15.00%) Configuration Management
20 43 (14.33%) CSS
20 43 (14.33%) Jenkins
21 42 (14.00%) Blockchain
22 40 (13.33%) MySQL
23 39 (13.00%) Degree
24 38 (12.67%) PostgreSQL

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 17 (5.67%) Apache
2 16 (5.33%) Elasticsearch
3 11 (3.67%) nginx
4 10 (3.33%) OpenStack
5 9 (3.00%) Tomcat
6 8 (2.67%) Apache Spark
7 5 (1.67%) JBoss
7 5 (1.67%) Jetty
8 4 (1.33%) CloudStack
8 4 (1.33%) Confluence
8 4 (1.33%) Ethereum
8 4 (1.33%) Hyperledger
8 4 (1.33%) WebLogic
8 4 (1.33%) WebSphere
8 4 (1.33%) WebSphere Application Server
9 3 (1.00%) CMS
10 2 (0.67%) Cloud Foundry
10 2 (0.67%) Mule
11 1 (0.33%) Apache Solr
11 1 (0.33%) Umbraco
Business Applications
1 12 (4.00%) Revive Adserver
2 1 (0.33%) Shopify
Cloud Services
1 96 (32.00%) Amazon AWS
2 23 (7.67%) Microsoft Azure
3 21 (7.00%) AWS CloudFormation
4 16 (5.33%) Google Cloud Platform
4 16 (5.33%) SaaS
5 13 (4.33%) Cloud Computing
5 13 (4.33%) GitHub
5 13 (4.33%) Heroku
6 10 (3.33%) Amazon S3
7 9 (3.00%) Amazon EC2
8 8 (2.67%) IaaS
9 7 (2.33%) Amazon Kinesis
9 7 (2.33%) AWS Lambda
9 7 (2.33%) Serverless
10 6 (2.00%) PaaS
11 5 (1.67%) Amazon EMR
11 5 (1.67%) Datadog
12 4 (1.33%) Azure Active Directory
12 4 (1.33%) DigitalOcean
12 4 (1.33%) Trello
Communications & Networking
1 20 (6.67%) Firewall
2 12 (4.00%) TCP/IP
3 11 (3.67%) VPN
4 10 (3.33%) Network Security
5 7 (2.33%) Cisco ASA
5 7 (2.33%) HTTP
6 6 (2.00%) Wireless
6 6 (2.00%) Wireshark
7 5 (1.67%) Cisco Wireless
7 5 (1.67%) HTTPS
7 5 (1.67%) IPsec
8 4 (1.33%) DVB
8 4 (1.33%) Internet
9 3 (1.00%) LDAP
10 2 (0.67%) BGP
10 2 (0.67%) DNS
10 2 (0.67%) MPLS
10 2 (0.67%) OSPF
10 2 (0.67%) VLAN
10 2 (0.67%) VoIP
Database & Business Intelligence
1 42 (14.00%) Blockchain
2 40 (13.33%) MySQL
3 38 (12.67%) PostgreSQL
4 26 (8.67%) Redis
5 23 (7.67%) NoSQL
6 15 (5.00%) Big Data
7 14 (4.67%) Amazon Redshift
8 12 (4.00%) Apache Cassandra
8 12 (4.00%) SQL Server
9 11 (3.67%) MongoDB
9 11 (3.67%) Relational Database
10 7 (2.33%) Amazon DynamoDB
11 5 (1.67%) OpenTSDB
11 5 (1.67%) Parquet
12 4 (1.33%) Couchbase
12 4 (1.33%) InterSystems Cache
13 3 (1.00%) Hadoop
14 2 (0.67%) Electronic Patient Records
14 2 (0.67%) InfluxDB
15 1 (0.33%) DB2
Development Applications
1 45 (15.00%) Git (software)
2 43 (14.33%) Jenkins
3 23 (7.67%) Atlassian Bamboo
3 23 (7.67%) Cucumber
4 22 (7.33%) Selenium
5 18 (6.00%) JIRA
6 15 (5.00%) Gatling
6 15 (5.00%) TeamCity
7 13 (4.33%) Sonatype Nexus
8 10 (3.33%) RSpec
8 10 (3.33%) Subversion
8 10 (3.33%) WebDriver
9 8 (2.67%) webpack
10 7 (2.33%) JUnit
10 7 (2.33%) Maven
10 7 (2.33%) Vagrant
11 6 (2.00%) Calabash
11 6 (2.00%) JMeter
11 6 (2.00%) Mockito
11 6 (2.00%) Team Foundation Server
General
1 71 (23.67%) Finance
2 19 (6.33%) Banking
3 17 (5.67%) Games
3 17 (5.67%) Telecoms
4 16 (5.33%) Marketing
5 12 (4.00%) Electronics
5 12 (4.00%) Manufacturing
6 9 (3.00%) Retail
7 7 (2.33%) Advertising
8 5 (1.67%) Back Office
8 5 (1.67%) Financial Institution
9 4 (1.33%) Law
10 3 (1.00%) Billing
10 3 (1.00%) Digital Economy
10 3 (1.00%) Retail Banking
11 2 (0.67%) Investment Banking
12 1 (0.33%) French Language
12 1 (0.33%) Legal
12 1 (0.33%) Publishing
12 1 (0.33%) Spanish Language
Job Titles
1 113 (37.67%) Developer
2 48 (16.00%) DevOps Engineer
3 33 (11.00%) Ruby on Rails Developer
4 24 (8.00%) Blockchain Developer
4 24 (8.00%) Full Stack Developer
4 24 (8.00%) Senior Developer
5 17 (5.67%) Java Developer
6 16 (5.33%) Tester
7 15 (5.00%) Test Engineer
8 11 (3.67%) Analyst
8 11 (3.67%) Front End Developer (Client-Side Developer)
8 11 (3.67%) Lead DevOps
8 11 (3.67%) Ruby Developer
9 10 (3.33%) Software Engineer
9 10 (3.33%) Systems Engineer
10 9 (3.00%) C# Developer
10 9 (3.00%) Consultant
10 9 (3.00%) Linux Engineer
11 8 (2.67%) Junior
12 7 (2.33%) Systems Administrator
Libraries, Frameworks & Software Standards
1 106 (35.33%) Ruby on Rails
2 51 (17.00%) HTML
3 43 (14.33%) CSS
4 34 (11.33%) AngularJS
4 34 (11.33%) Node.js
5 28 (9.33%) .NET
6 24 (8.00%) Web Services
7 21 (7.00%) React
8 19 (6.33%) Kafka
9 18 (6.00%) RabbitMQ
9 18 (6.00%) Sass
10 15 (5.00%) Elastic Stack
11 12 (4.00%) jQuery
12 10 (3.33%) HTML5
12 10 (3.33%) LEMP Stack
12 10 (3.33%) REST
13 9 (3.00%) LAMP
13 9 (3.00%) Redux
14 8 (2.67%) Grails
15 7 (2.33%) JSON
Miscellaneous
1 53 (17.67%) Fintech
2 20 (6.67%) Greenfield Project
3 17 (5.67%) Linux Command Line
4 15 (5.00%) Algorithms
4 15 (5.00%) Computer Science
5 13 (4.33%) User Experience
6 12 (4.00%) Data Structures
7 7 (2.33%) Hedge funds
7 7 (2.33%) Mobile App
8 6 (2.00%) Bitcoin
8 6 (2.00%) Clustering
8 6 (2.00%) Media Streaming
9 5 (1.67%) Digital Media
9 5 (1.67%) PKI
10 4 (1.33%) BBC
10 4 (1.33%) Embedded Systems
10 4 (1.33%) IPTV
10 4 (1.33%) NHS
10 4 (1.33%) STB
11 3 (1.00%) Replication
Operating Systems
1 94 (31.33%) Linux
2 37 (12.33%) Windows
3 32 (10.67%) Unix
4 22 (7.33%) CentOS
5 19 (6.33%) Red Hat Enterprise Linux
6 12 (4.00%) Ubuntu
7 9 (3.00%) Android
7 9 (3.00%) Apple iOS
8 6 (2.00%) Debian
9 5 (1.67%) CoreOS
9 5 (1.67%) Kali Linux
9 5 (1.67%) Mac OS X
10 3 (1.00%) Windows Server
10 3 (1.00%) Windows Server 2008
11 2 (0.67%) Solaris
11 2 (0.67%) VMS
12 1 (0.33%) FreeBSD
12 1 (0.33%) Mac OS
Processes & Methodologies
1 132 (44.00%) Agile Software Development
2 127 (42.33%) DevOps
3 72 (24.00%) TDD
4 66 (22.00%) Scrum
5 61 (20.33%) Continuous Integration
6 45 (15.00%) Configuration Management
7 35 (11.67%) Microservices
7 35 (11.67%) Test Automation
8 31 (10.33%) Continuous Delivery
9 28 (9.33%) Open Source
9 28 (9.33%) Software Engineering
10 25 (8.33%) BDD
10 25 (8.33%) SDLC
11 21 (7.00%) Machine Learning
12 20 (6.67%) Front End Development
12 20 (6.67%) Project Management
13 19 (6.33%) E-Commerce
13 19 (6.33%) Mentoring
14 16 (5.33%) Web Development
15 15 (5.00%) OOP
Programming Languages
1 176 (58.67%) Python
2 138 (46.00%) Java
3 86 (28.67%) JavaScript
4 57 (19.00%) SQL
5 53 (17.67%) Perl
6 51 (17.00%) PHP
7 45 (15.00%) Bash Shell
8 35 (11.67%) C#
9 33 (11.00%) Go
10 28 (9.33%) Scala
11 23 (7.67%) C++
12 15 (5.00%) Shell Script
13 14 (4.67%) C
14 13 (4.33%) F#
15 10 (3.33%) Groovy
16 9 (3.00%) Elixir
17 8 (2.67%) Clojure
17 8 (2.67%) PowerShell
18 7 (2.33%) Erlang
19 6 (2.00%) CoffeeScript
Qualifications
1 39 (13.00%) Degree
2 14 (4.67%) Security Cleared
3 12 (4.00%) CREST Certified
3 12 (4.00%) ISTQB
4 8 (2.67%) ISEB
4 8 (2.67%) SANS
5 7 (2.33%) GIAC
5 7 (2.33%) RHCE
6 6 (2.00%) CEH
6 6 (2.00%) CISSP
6 6 (2.00%) Computer Science Degree
6 6 (2.00%) SC Cleared
7 5 (1.67%) GPEN
7 5 (1.67%) GXPN
7 5 (1.67%) Linux+ Certification
7 5 (1.67%) LPIC
7 5 (1.67%) RHCA
7 5 (1.67%) RHCSA
8 4 (1.33%) OSCE
8 4 (1.33%) OSCP
Quality Assurance & Compliance
1 13 (4.33%) QA
2 7 (2.33%) ISO/IEC 27001
2 7 (2.33%) PCI DSS
3 3 (1.00%) SLA
4 1 (0.33%) GCP
System Software
1 55 (18.33%) Docker
2 7 (2.33%) Active Directory
2 7 (2.33%) Xen
3 6 (2.00%) Varnish
3 6 (2.00%) VMware Infrastructure
4 5 (1.67%) pfSense
5 4 (1.33%) VirtualBox
5 4 (1.33%) vSphere
5 4 (1.33%) XenServer
6 3 (1.00%) HDFS
7 2 (0.67%) Apache ZooKeeper
7 2 (0.67%) iptables
7 2 (0.67%) Virtual Machines
8 1 (0.33%) Ceph
8 1 (0.33%) Kamailio
8 1 (0.33%) KVM
8 1 (0.33%) LXC
Systems Management
1 66 (22.00%) Puppet
2 58 (19.33%) Ansible
3 46 (15.33%) Opscode Chef
4 25 (8.33%) Kubernetes
5 22 (7.33%) Terraform
6 14 (4.67%) Salt
7 11 (3.67%) Kibana
7 11 (3.67%) Nagios
8 9 (3.00%) logstash
8 9 (3.00%) ZABBIX
9 7 (2.33%) Graphite
9 7 (2.33%) Mesos
9 7 (2.33%) Packer
10 6 (2.00%) HAProxy
11 5 (1.67%) FortiGate
11 5 (1.67%) Grafana
11 5 (1.67%) Rancher
12 4 (1.33%) Cobbler
12 4 (1.33%) Tivoli
13 3 (1.00%) Nmap
Vendors
1 22 (7.33%) Red Hat
2 19 (6.33%) Splunk
3 17 (5.67%) Google
4 13 (4.33%) Microsoft
5 12 (4.00%) Cisco
5 12 (4.00%) SAP
6 9 (3.00%) New Relic
7 8 (2.67%) Oracle
7 8 (2.67%) Rackspace
8 7 (2.33%) F5
8 7 (2.33%) Juniper
9 6 (2.00%) DoubleClick
9 6 (2.00%) ServiceNow
9 6 (2.00%) Twitter
9 6 (2.00%) VMware
10 5 (1.67%) Aruba
10 5 (1.67%) Fortinet
10 5 (1.67%) SonicWALL
10 5 (1.67%) TOWER Software
10 5 (1.67%) WatchGuard