Period
to 17 January 2019

The following table provides summary statistics for permanent job vacancies advertised in Central 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 17 January 2019 with a comparison to the same period in the previous 2 years.

Ruby
London > Central London
6 months to
17 Jan 2019
Same period 2018 Same period 2017
Rank 117 102 86
Rank change year-on-year -15 -16 +4
Permanent jobs citing Ruby 335 440 469
As % of all permanent IT jobs advertised in Central London 2.60% 3.05% 3.61%
As % of the Programming Languages category 4.22% 5.29% 6.26%
Number of salaries quoted 282 403 420
Central London median annual salary £70,000 £65,000 £62,500
Median salary % change year-on-year +7.69% +4.00% +4.17%
10th Percentile £51,250 £42,500 £40,000
90th Percentile £102,500 £92,500 £92,500
London median annual salary £65,000 £65,000 £62,500
% change year-on-year - +4.00% +8.70%

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 Central London with a requirement for coding skills.

All Programming Languages
Central London
Permanent vacancies with a requirement for coding skills 7,931 8,321 7,495
As % of all permanent IT jobs advertised in Central London 61.52% 57.69% 57.68%
Number of salaries quoted 7,231 7,398 6,926
Central London median annual salary £65,000 £60,000 £57,500
Median salary % change year-on-year +8.33% +4.35% -
10th Percentile £39,000 £37,500 £36,250
90th Percentile £95,000 £92,500 £90,000
London median annual salary £65,000 £60,000 £57,500
% change year-on-year +8.33% +4.35% +4.55%

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
Salary Trend in Central London

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

Salary trend for Ruby in Central London

Ruby
Salary Histogram in Central London

The salary distribution of IT jobs citing Ruby in Central London over the 6 months to 17 January 2019.

Salary histogram for Ruby in Central London

Ruby
Job Locations in Central London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Ruby within the Central London region over the 6 months to 17 January 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London -21 264 £72,500 +7.41% 104
West End of London +1 6 £63,750 -25.00% 1
Southwark +28 4 £39,250 -37.20%
Kensington and Chelsea - 1 - -
Ruby
London

For the 6 months to 17 January 2019, IT 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 permanent job ads across the Central London region with a requirement for Ruby.

1 246 (73.43%) Python
2 179 (53.43%) DevOps
3 146 (43.58%) Amazon AWS
3 146 (43.58%) Agile Software Development
4 117 (34.93%) Ansible
5 116 (34.63%) Docker
6 114 (34.03%) Linux
7 112 (33.43%) JavaScript
8 109 (32.54%) Puppet
9 101 (30.15%) Opscode Chef
10 100 (29.85%) Java
11 86 (25.67%) Bash Shell
12 75 (22.39%) Ruby on Rails
13 71 (21.19%) Jenkins
14 70 (20.90%) Configuration Management
15 67 (20.00%) Microsoft Azure
16 66 (19.70%) Google Cloud Platform
17 65 (19.40%) SQL
17 65 (19.40%) MySQL
18 61 (18.21%) Redis
18 61 (18.21%) Scala
19 60 (17.91%) Kubernetes
20 59 (17.61%) Finance
21 58 (17.31%) Fintech
22 57 (17.01%) Continuous Integration
23 55 (16.42%) Google
24 53 (15.82%) Go
25 52 (15.52%) Terraform
26 50 (14.93%) Git (software)
27 49 (14.63%) TDD

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 29 (8.66%) Apache
2 21 (6.27%) nginx
3 17 (5.07%) Tomcat
4 14 (4.18%) WebSphere
5 10 (2.99%) Elasticsearch
6 8 (2.39%) OpenStack
7 7 (2.09%) Apache Spark
8 6 (1.79%) IIS
9 4 (1.19%) CMS
9 4 (1.19%) Confluence
9 4 (1.19%) WordPress
10 2 (0.60%) Adobe Experience Manager
11 1 (0.30%) Apache Airflow
11 1 (0.30%) BizTalk Server
11 1 (0.30%) CloudStack
11 1 (0.30%) concrete5
11 1 (0.30%) EPiServer
11 1 (0.30%) Mule
Applications
1 2 (0.60%) Microsoft Excel
2 1 (0.30%) Chatbot
Business Applications
1 6 (1.79%) SunGard GMI
2 4 (1.19%) Distributed Ledger
3 1 (0.30%) Magento
Cloud Services
1 146 (43.58%) Amazon AWS
2 67 (20.00%) Microsoft Azure
3 66 (19.70%) Google Cloud Platform
4 19 (5.67%) GitHub
5 16 (4.78%) Amazon EC2
6 14 (4.18%) Amazon S3
7 13 (3.88%) Heroku
8 12 (3.58%) AWS CloudFormation
9 11 (3.28%) Serverless
9 11 (3.28%) Virtual Private Cloud
10 9 (2.69%) SaaS
11 8 (2.39%) Amazon ELB
12 7 (2.09%) Amazon EMR
12 7 (2.09%) AWS Lambda
13 6 (1.79%) Cloud Computing
13 6 (1.79%) Route 53
14 4 (1.19%) Cloudflare
14 4 (1.19%) Slack
15 2 (0.60%) IaaS
15 2 (0.60%) PaaS
Communications & Networking
1 16 (4.78%) VLAN
2 14 (4.18%) Firewall
3 12 (3.58%) BIG-IP
4 11 (3.28%) DNS
5 8 (2.39%) TCP/IP
6 7 (2.09%) HTTP
7 4 (1.19%) VPN
8 3 (0.90%) Skype
9 2 (0.60%) DSL
9 2 (0.60%) Intrusion Detection
9 2 (0.60%) tcpdump
10 1 (0.30%) BGP
10 1 (0.30%) DHCP
10 1 (0.30%) Internet
10 1 (0.30%) Network Security
Database & Business Intelligence
1 65 (19.40%) MySQL
2 61 (18.21%) Redis
3 34 (10.15%) PostgreSQL
4 25 (7.46%) NoSQL
5 24 (7.16%) MongoDB
6 17 (5.07%) Relational Database
7 15 (4.48%) Blockchain
8 14 (4.18%) SQL Server
9 11 (3.28%) Amazon RDS
10 9 (2.69%) Apache Cassandra
11 7 (2.09%) Neo4j
12 6 (1.79%) Big Data
13 5 (1.49%) Amazon DynamoDB
14 4 (1.19%) MariaDB
14 4 (1.19%) SQL Server Reporting Services
15 3 (0.90%) Amazon Redshift
15 3 (0.90%) Data Lake
15 3 (0.90%) Hadoop
15 3 (0.90%) OpenTSDB
15 3 (0.90%) Parquet
Development Applications
1 71 (21.19%) Jenkins
2 50 (14.93%) Git (software)
3 26 (7.76%) CircleCI
4 23 (6.87%) Cucumber
5 16 (4.78%) JIRA
6 15 (4.48%) git-flow
6 15 (4.48%) TeamCity
7 14 (4.18%) Maven
8 13 (3.88%) Selenium
9 12 (3.58%) Travis CI
10 10 (2.99%) Ant
10 10 (2.99%) Atlassian Bamboo
10 10 (2.99%) Gradle
10 10 (2.99%) Visual Studio Team System
11 8 (2.39%) Octopus Deploy
11 8 (2.39%) RSpec
11 8 (2.39%) Visual Studio
12 6 (1.79%) Subversion
13 4 (1.19%) WebDriver
14 3 (0.90%) Artifactory
General
1 59 (17.61%) Finance
2 24 (7.16%) Banking
3 19 (5.67%) Retail
4 12 (3.58%) Front Office
4 12 (3.58%) Law
5 7 (2.09%) Advertising
6 3 (0.90%) Games
6 3 (0.90%) Marketing
6 3 (0.90%) Pharmaceutical
7 1 (0.30%) Automotive
7 1 (0.30%) Digital Economy
7 1 (0.30%) Investment Banking
7 1 (0.30%) Legal
7 1 (0.30%) Manufacturing
7 1 (0.30%) Publishing
Job Titles
1 122 (36.42%) Developer
2 99 (29.55%) DevOps Engineer
3 43 (12.84%) Senior Developer
4 39 (11.64%) Ruby Developer
5 36 (10.75%) Cloud Engineer
6 25 (7.46%) Senior DevOps
7 24 (7.16%) Python Engineer
7 24 (7.16%) Senior DevOps Engineer
8 22 (6.57%) Full Stack Developer
9 21 (6.27%) Linux Engineer
10 20 (5.97%) Linux/Unix DevOps
11 17 (5.07%) Lead Developer
12 15 (4.48%) Ruby on Rails Developer
13 14 (4.18%) Lead DevOps
13 14 (4.18%) Platform Engineer
14 13 (3.88%) Scala Developer
14 13 (3.88%) Senior Ruby Developer
14 13 (3.88%) Systems Administrator
15 11 (3.28%) Administrator
15 11 (3.28%) Python Developer
Libraries, Frameworks & Software Standards
1 75 (22.39%) Ruby on Rails
2 42 (12.54%) Node.js
3 37 (11.04%) React
4 36 (10.75%) .NET
5 33 (9.85%) RabbitMQ
6 28 (8.36%) AngularJS
6 28 (8.36%) HTML
7 22 (6.57%) CSS
8 14 (4.18%) LAMP
8 14 (4.18%) Spring
9 13 (3.88%) Elastic Stack
9 13 (3.88%) LEMP Stack
10 12 (3.58%) Vue.js
11 11 (3.28%) Express
11 11 (3.28%) Kafka
12 9 (2.69%) jQuery
12 9 (2.69%) Web Services
13 8 (2.39%) Django
14 6 (1.79%) RESTful
14 6 (1.79%) Sinatra
Miscellaneous
1 58 (17.31%) Fintech
2 29 (8.66%) User Experience
3 18 (5.37%) Data Centre
4 13 (3.88%) Greenfield Project
5 12 (3.58%) Foreign Exchange (FX)
6 11 (3.28%) Clustering
7 10 (2.99%) Equities
7 10 (2.99%) Mobile App
8 9 (2.69%) Algorithms
8 9 (2.69%) Self-Motivation
9 8 (2.39%) Derivative
9 8 (2.39%) Enterprise Software
9 8 (2.39%) Grid Computing
10 7 (2.09%) Fixed Income
11 5 (1.49%) Analytical Skills
11 5 (1.49%) Data Structures
11 5 (1.49%) Linux Command Line
11 5 (1.49%) Public Cloud
11 5 (1.49%) Replication
12 4 (1.19%) Xbox
Operating Systems
1 114 (34.03%) Linux
2 24 (7.16%) Red Hat Enterprise Linux
3 21 (6.27%) Ubuntu
4 20 (5.97%) Unix
5 16 (4.78%) Debian
6 14 (4.18%) Windows
7 12 (3.58%) CoreOS
8 10 (2.99%) Apple iOS
9 9 (2.69%) CentOS
10 7 (2.09%) Android
11 4 (1.19%) Mac OS X
12 1 (0.30%) Windows Server
Processes & Methodologies
1 179 (53.43%) DevOps
2 146 (43.58%) Agile Software Development
3 70 (20.90%) Configuration Management
4 57 (17.01%) Continuous Integration
5 49 (14.63%) TDD
6 47 (14.03%) Software Engineering
7 42 (12.54%) Microservices
8 40 (11.94%) Continuous Delivery
9 39 (11.64%) Scrum
10 36 (10.75%) BDD
11 30 (8.96%) Computer Science
12 28 (8.36%) Pair Programming
13 26 (7.76%) Collaborative Working
14 23 (6.87%) Workflow
15 22 (6.57%) E-Commerce
15 22 (6.57%) Open Source
16 21 (6.27%) Disaster Recovery
16 21 (6.27%) Kanban
17 18 (5.37%) High Availability
18 16 (4.78%) Stakeholder Management
Programming Languages
1 246 (73.43%) Python
2 112 (33.43%) JavaScript
3 100 (29.85%) Java
4 86 (25.67%) Bash Shell
5 65 (19.40%) SQL
6 61 (18.21%) Scala
7 53 (15.82%) Go
8 36 (10.75%) Elixir
9 32 (9.55%) C#
10 31 (9.25%) PHP
11 29 (8.66%) C++
12 23 (6.87%) Perl
13 14 (4.18%) Groovy
13 14 (4.18%) Shell Script
14 12 (3.58%) Clojure
15 11 (3.28%) PowerShell
16 9 (2.69%) ES6
17 8 (2.39%) Erlang
18 7 (2.09%) F#
18 7 (2.09%) TypeScript
Qualifications
1 30 (8.96%) Degree
2 15 (4.48%) Computer Science Degree
3 6 (1.79%) AWS Certification
4 4 (1.19%) PhD
5 3 (0.90%) ISTQB
6 2 (0.60%) ISEB
6 2 (0.60%) ITIL Foundation Certificate
6 2 (0.60%) Security Cleared
7 1 (0.30%) ISTQB Foundation Certification
7 1 (0.30%) RHCE
7 1 (0.30%) RHCSA
Quality Assurance & Compliance
1 9 (2.69%) QA
2 6 (1.79%) EMIR
2 6 (1.79%) MiFID
2 6 (1.79%) SLA
3 2 (0.60%) FATCA
System Software
1 116 (34.63%) Docker
2 12 (3.58%) iptables
3 10 (2.99%) VMware Infrastructure
4 8 (2.39%) Hyper-V
4 8 (2.39%) Varnish
5 3 (0.90%) HDFS
6 2 (0.60%) Virtual Machines
7 1 (0.30%) VMware ESXi
7 1 (0.30%) XenServer
Systems Management
1 117 (34.93%) Ansible
2 109 (32.54%) Puppet
3 101 (30.15%) Opscode Chef
4 60 (17.91%) Kubernetes
5 52 (15.52%) Terraform
6 17 (5.07%) HAProxy
6 17 (5.07%) Salt
7 12 (3.58%) Prometheus
8 11 (3.28%) Rancher
9 10 (2.99%) Packer
10 7 (2.09%) Docker Swarm
11 6 (1.79%) Consul
12 5 (1.49%) Graphite
12 5 (1.49%) Icinga
12 5 (1.49%) Nagios
12 5 (1.49%) ZABBIX
13 4 (1.19%) Mesos
14 3 (0.90%) Kibana
14 3 (0.90%) logstash
15 2 (0.60%) Grafana
Vendors
1 55 (16.42%) Google
2 22 (6.57%) Red Hat
3 17 (5.07%) Rackspace
4 15 (4.48%) Oracle
5 12 (3.58%) F5
6 11 (3.28%) VMware
7 7 (2.09%) Microsoft
8 6 (1.79%) CQG
8 6 (1.79%) Fidessa
8 6 (1.79%) FIS
8 6 (1.79%) Salesforce.com
8 6 (1.79%) Splunk
8 6 (1.79%) SunGard
9 2 (0.60%) Adobe
9 2 (0.60%) AppDynamics
9 2 (0.60%) Bloomberg
9 2 (0.60%) IBM
9 2 (0.60%) Juniper
9 2 (0.60%) Reuters
9 2 (0.60%) SmartStream