Period
to 21 August 2018

The following table provides summary statistics for contract job vacancies advertised in 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 21 August 2018 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
England > London
6 months to
21 Aug 2018
Same period 2017 Same period 2016
Rank 131 94 67
Rank change year-on-year -37 -27 +27
Contract jobs citing Ruby 979 1,170 1,574
As % of all contract IT jobs advertised in London 2.15% 2.73% 3.48%
As % of the Programming Languages category 4.30% 5.70% 7.96%
Number of daily rates quoted 693 892 1,196
London median daily rate £530 £500 £500
Median daily rate % change year-on-year +6.00% - +11.11%
10th Percentile £406 £375 £363
90th Percentile £675 £613 £625
England median daily rate £513 £500 £475
% change year-on-year +2.50% +5.26% +8.57%
Number of hourly rates quoted 6 2 0
London median hourly rate £33.50 £40.00 -
Median hourly rate % change year-on-year -16.25% - -
England median hourly rate £35.00 £40.00 £9.00
% change year-on-year -12.50% +344.44% +12.50%

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 London with a requirement for coding skills.

All Programming Languages
London
Contract vacancies with a requirement for coding skills 22,787 20,538 19,782
As % of all contract IT jobs advertised in London 50.10% 47.94% 43.80%
Number of daily rates quoted 17,371 15,278 14,906
London median daily rate £520 £500 £450
Median daily rate % change year-on-year +4.00% +11.11% -
10th Percentile £363 £332 £313
90th Percentile £675 £650 £638
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +6.25%
Number of hourly rates quoted 171 151 92
London median hourly rate £38.50 £40.00 £27.38
Median hourly rate % change year-on-year -3.75% +46.08% -0.43%
10th Percentile £18.00 £16.75 £14.18
90th Percentile £60.00 £52.00 £56.68
England median hourly rate £41.53 £40.00 £37.50
% change year-on-year +3.83% +6.67% +4.17%

Ruby
Job Vacancy Trend in London

Job postings citing Ruby as a percentage of all IT jobs advertised in London.

Job vacancy trend for Ruby in London

Ruby
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Ruby in London.

Contractor daily rate trend for Ruby in London

Ruby
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Ruby in London over the 6 months to 21 August 2018.

Contractor daily rate histogram for Ruby in London

Ruby
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Ruby in London.

Contractor hourly rate trend for Ruby in London

Ruby
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing Ruby in London over the 6 months to 21 August 2018.

Contractor hourly rate histogram for Ruby in London

Ruby
Contract Job Locations in 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 London region over the 6 months to 21 August 2018. 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
Central London +21 256 £525 +2.44% 109
West London -30 30 £454 -12.32% 59
South London -48 27 £475 -13.64% 3
East London -26 22 £450 -4.26% 16
North London -8 1 - - 3
Ruby
England

For the 6 months to 21 August 2018, 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 London region with a requirement for Ruby.

1 600 (61.29%) Python
2 505 (51.58%) DevOps
3 481 (49.13%) Agile Software Development
4 460 (46.99%) Amazon AWS
5 420 (42.90%) Linux
6 398 (40.65%) Java
7 360 (36.77%) Jenkins
8 352 (35.96%) Docker
9 336 (34.32%) Git (software)
10 291 (29.72%) Puppet
11 276 (28.19%) TDD
12 257 (26.25%) Ruby on Rails
13 252 (25.74%) Ansible
14 245 (25.03%) Kubernetes
15 243 (24.82%) JavaScript
16 237 (24.21%) Bash Shell
17 235 (24.00%) Terraform
18 225 (22.98%) Continuous Integration
19 215 (21.96%) Configuration Management
20 202 (20.63%) Perl
21 190 (19.41%) Opscode Chef
22 173 (17.67%) Finance
23 169 (17.26%) Test Automation
24 164 (16.75%) MySQL
25 159 (16.24%) PostgreSQL
26 152 (15.53%) Microservices
27 146 (14.91%) Go
28 144 (14.71%) Open Source
29 133 (13.59%) Microsoft Azure
30 132 (13.48%) Unix

Ruby
Co-occurring IT Skills in 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 75 (7.66%) nginx
2 69 (7.05%) Apache
3 50 (5.11%) Confluence
4 45 (4.60%) Elasticsearch
5 38 (3.88%) Cloud Foundry
6 27 (2.76%) Apache Spark
6 27 (2.76%) OpenStack
7 25 (2.55%) Adobe Experience Manager
7 25 (2.55%) Tomcat
8 16 (1.63%) WebSphere
9 15 (1.53%) Apache Pig
10 14 (1.43%) CMS
10 14 (1.43%) Ethereum
10 14 (1.43%) Jetty
11 13 (1.33%) Hyperledger
12 12 (1.23%) IIS
13 11 (1.12%) Mongrel
14 8 (0.82%) Apache Solr
14 8 (0.82%) Sitecore CMS
15 6 (0.61%) JBoss
Applications
1 13 (1.33%) Microsoft Excel
2 2 (0.20%) HipChat
3 1 (0.10%) Chatbot
3 1 (0.10%) Microsoft PowerPoint
3 1 (0.10%) MS Visio
3 1 (0.10%) Spreadsheet
Business Applications
1 5 (0.51%) Payment Gateway
2 4 (0.41%) Remedy ITSM
3 1 (0.10%) Dynamics CRM
3 1 (0.10%) Oracle EBS
3 1 (0.10%) SAP ERP
3 1 (0.10%) SAP Hybris
3 1 (0.10%) Shopify
Cloud Services
1 460 (46.99%) Amazon AWS
2 133 (13.59%) Microsoft Azure
3 95 (9.70%) GitHub
4 90 (9.19%) Amazon EC2
5 75 (7.66%) Amazon S3
6 69 (7.05%) Cloud Computing
7 67 (6.84%) AWS CloudFormation
8 61 (6.23%) Google Cloud Platform
9 51 (5.21%) Heroku
10 49 (5.01%) Serverless
11 45 (4.60%) IaaS
12 36 (3.68%) PaaS
13 34 (3.47%) Virtual Private Cloud
14 31 (3.17%) Amazon ELB
14 31 (3.17%) OpenShift
15 26 (2.66%) npm
16 25 (2.55%) Amazon CloudWatch
17 23 (2.35%) AWS Lambda
18 20 (2.04%) IBM Cloud
18 20 (2.04%) SaaS
Communications & Networking
1 103 (10.52%) DNS
2 90 (9.19%) TCP/IP
3 88 (8.99%) HTTP
4 68 (6.95%) SSL
5 65 (6.64%) Firewall
6 44 (4.49%) Internet
7 14 (1.43%) FTP
8 12 (1.23%) VPN
9 11 (1.12%) SMS
10 10 (1.02%) BIG-IP
11 7 (0.72%) DVB
11 7 (0.72%) ICMP
11 7 (0.72%) RTMP
12 6 (0.61%) Intranet
13 5 (0.51%) Reverse Proxy
14 4 (0.41%) AMQP
14 4 (0.41%) DHCP
14 4 (0.41%) SMTP
14 4 (0.41%) SSH
15 3 (0.31%) Kerberos
Database & Business Intelligence
1 164 (16.75%) MySQL
2 159 (16.24%) PostgreSQL
3 128 (13.07%) MongoDB
4 106 (10.83%) NoSQL
5 61 (6.23%) Relational Database
6 53 (5.41%) Redis
7 38 (3.88%) Big Data
8 29 (2.96%) Blockchain
8 29 (2.96%) Hadoop
9 27 (2.76%) Apache Cassandra
10 20 (2.04%) HBase
10 20 (2.04%) InfluxDB
11 17 (1.74%) Amazon RDS
12 15 (1.53%) Amazon DynamoDB
13 14 (1.43%) RDBMS
14 13 (1.33%) Apache Hive
14 13 (1.33%) MariaDB
14 13 (1.33%) SQL Server
15 9 (0.92%) Neo4j
16 8 (0.82%) Oracle Database
Development Applications
1 360 (36.77%) Jenkins
2 336 (34.32%) Git (software)
3 85 (8.68%) JIRA
4 78 (7.97%) Artifactory
5 76 (7.76%) Sonatype Nexus
6 57 (5.82%) Selenium
6 57 (5.82%) Subversion
7 56 (5.72%) Maven
8 52 (5.31%) GitLab
9 50 (5.11%) Cucumber
10 47 (4.80%) Vagrant
11 41 (4.19%) JUnit
12 40 (4.09%) SonarQube
13 35 (3.58%) Ant
14 33 (3.37%) Hudson
15 32 (3.27%) Gradle
16 29 (2.96%) Gerrit
16 29 (2.96%) TeamCity
17 24 (2.45%) Atlassian Bamboo
18 23 (2.35%) Bitbucket
General
1 173 (17.67%) Finance
2 84 (8.58%) Banking
3 33 (3.37%) Retail
4 32 (3.27%) Marketing
5 20 (2.04%) Front Office
6 14 (1.43%) Financial Institution
7 11 (1.12%) Investment Banking
7 11 (1.12%) Manufacturing
8 10 (1.02%) Law
8 10 (1.02%) Telecoms
9 8 (0.82%) Electronics
10 7 (0.72%) Games
10 7 (0.72%) Publishing
11 3 (0.31%) Back Office
11 3 (0.31%) Russian Language
12 2 (0.20%) Advertising
13 1 (0.10%) Digital Economy
13 1 (0.10%) Legal
13 1 (0.10%) Pharmaceutical
Job Titles
1 341 (34.83%) Developer
1 341 (34.83%) DevOps Engineer
2 137 (13.99%) AWS Engineer
3 129 (13.18%) AWS DevOps
4 109 (11.13%) AWS DevOps Engineer
5 105 (10.73%) Ruby Developer
6 93 (9.50%) Ruby on Rails Developer
7 65 (6.64%) Senior DevOps
7 65 (6.64%) Senior DevOps Engineer
8 53 (5.41%) Cloud Engineer
9 47 (4.80%) Ruby Engineer
10 36 (3.68%) Kubernetes Engineer
11 35 (3.58%) Java Developer
12 33 (3.37%) Agile Developer
12 33 (3.37%) Operations Engineer
13 30 (3.06%) Tester
14 28 (2.86%) Scala Developer
15 27 (2.76%) Architect
15 27 (2.76%) Senior Developer
16 26 (2.66%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 257 (26.25%) Ruby on Rails
2 108 (11.03%) HTML
3 101 (10.32%) Node.js
4 99 (10.11%) CSS
4 99 (10.11%) Elastic Stack
5 97 (9.91%) Web Services
6 90 (9.19%) REST
7 75 (7.66%) JSON
8 73 (7.46%) React
9 71 (7.25%) AngularJS
10 69 (7.05%) RESTful
11 65 (6.64%) RabbitMQ
12 61 (6.23%) Spring
13 47 (4.80%) LEMP Stack
14 46 (4.70%) ActiveMQ
15 44 (4.49%) Sensu
16 42 (4.29%) .NET
17 40 (4.09%) HTML5
18 38 (3.88%) Django
19 37 (3.78%) jQuery
Miscellaneous
1 85 (8.68%) Linux Command Line
2 84 (8.58%) Greenfield Project
3 69 (7.05%) Fintech
4 39 (3.98%) Computer Science
5 31 (3.17%) Mobile App
6 24 (2.45%) Public Cloud
6 24 (2.45%) User Experience
7 23 (2.35%) iPad
7 23 (2.35%) Virtual Team
8 20 (2.04%) Data Centre
9 16 (1.63%) Enterprise Cloud
10 15 (1.53%) Bitcoin
10 15 (1.53%) Self-Motivation
11 14 (1.43%) Analytical Skills
12 12 (1.23%) Credit Risk
13 11 (1.12%) Cloud Native
13 11 (1.12%) Derivative
14 8 (0.82%) Hybrid Cloud
15 7 (0.72%) IPTV
15 7 (0.72%) Private Cloud
Operating Systems
1 420 (42.90%) Linux
2 132 (13.48%) Unix
3 62 (6.33%) Windows
4 36 (3.68%) Red Hat Enterprise Linux
5 32 (3.27%) Ubuntu
6 28 (2.86%) CentOS
7 21 (2.15%) Apple iOS
7 21 (2.15%) Solaris
8 15 (1.53%) Android
8 15 (1.53%) Debian
9 13 (1.33%) CoreOS
10 11 (1.12%) Mac OS X
10 11 (1.12%) SUSE
10 11 (1.12%) SUSE Linux Enterprise Server
11 10 (1.02%) Fedora
12 8 (0.82%) Windows Server
13 6 (0.61%) AIX
14 2 (0.20%) Windows Server 2012
15 1 (0.10%) Windows 7
15 1 (0.10%) Windows Server 2008
Processes & Methodologies
1 505 (51.58%) DevOps
2 481 (49.13%) Agile Software Development
3 276 (28.19%) TDD
4 225 (22.98%) Continuous Integration
5 215 (21.96%) Configuration Management
6 169 (17.26%) Test Automation
7 152 (15.53%) Microservices
8 144 (14.71%) Open Source
9 128 (13.07%) Scrum
10 103 (10.52%) Continuous Delivery
11 98 (10.01%) Load Balancing
12 97 (9.91%) BDD
12 97 (9.91%) Software Engineering
13 96 (9.81%) E-Commerce
14 78 (7.97%) Pair Programming
15 75 (7.66%) Migration
16 62 (6.33%) Deployment Automation
17 61 (6.23%) Kanban
18 58 (5.92%) Mentoring
19 56 (5.72%) OO
Programming Languages
1 600 (61.29%) Python
2 398 (40.65%) Java
3 243 (24.82%) JavaScript
4 237 (24.21%) Bash Shell
5 202 (20.63%) Perl
6 146 (14.91%) Go
7 127 (12.97%) SQL
8 87 (8.89%) Scala
9 68 (6.95%) C++
10 59 (6.03%) Groovy
11 58 (5.92%) C
12 49 (5.01%) Shell Script
13 46 (4.70%) PHP
14 43 (4.39%) C#
15 39 (3.98%) PowerShell
16 24 (2.45%) Java 8
17 23 (2.35%) ES6
18 14 (1.43%) Apple Swift
18 14 (1.43%) R
19 13 (1.33%) Korn
Qualifications
1 97 (9.91%) Security Cleared
2 88 (8.99%) SC Cleared
3 52 (5.31%) Degree
4 30 (3.06%) BPSS Clearance
5 21 (2.15%) AWS Certification
6 18 (1.84%) Computer Science Degree
7 7 (0.72%) DV Cleared
7 7 (0.72%) Master's Degree
8 4 (0.41%) Numerate Degree
9 3 (0.31%) RHCE
10 2 (0.20%) CCNA
10 2 (0.20%) CEH
10 2 (0.20%) Cisco Certification
10 2 (0.20%) CTC Cleared
10 2 (0.20%) ISTQB
10 2 (0.20%) Microsoft Certification
10 2 (0.20%) OSCP
10 2 (0.20%) RHCSA
10 2 (0.20%) Sun Certification
10 2 (0.20%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 39 (3.98%) GCP
2 31 (3.17%) QA
3 3 (0.31%) Data Quality
4 1 (0.10%) PCI DSS
System Software
1 352 (35.96%) Docker
2 35 (3.58%) etcd
2 35 (3.58%) flannel
3 23 (2.35%) VMware Infrastructure
4 16 (1.63%) VirtualBox
5 14 (1.43%) Active Directory
6 11 (1.12%) HDFS
7 8 (0.82%) Ceph
7 8 (0.82%) GlusterFS
7 8 (0.82%) KVM
7 8 (0.82%) SkyDNS
7 8 (0.82%) Virtual Machines
8 7 (0.72%) Xen
9 6 (0.61%) Firmware
9 6 (0.61%) Hyper-V
10 5 (0.51%) Squid
11 3 (0.31%) LXC
11 3 (0.31%) NFS
11 3 (0.31%) vCloud
11 3 (0.31%) Veritas Cluster Server
Systems Management
1 291 (29.72%) Puppet
2 252 (25.74%) Ansible
3 245 (25.03%) Kubernetes
4 235 (24.00%) Terraform
5 190 (19.41%) Opscode Chef
6 64 (6.54%) Mesos
7 62 (6.33%) logstash
7 62 (6.33%) Packer
8 53 (5.41%) Kibana
9 49 (5.01%) HAProxy
10 47 (4.80%) ZABBIX
11 45 (4.60%) Consul
11 45 (4.60%) Nagios
12 43 (4.39%) Prometheus
13 39 (3.98%) Salt
14 33 (3.37%) Grafana
14 33 (3.37%) rkt
15 23 (2.35%) Sysdig
16 21 (2.15%) Pingdom
16 21 (2.15%) Uchiwa
Vendors
1 76 (7.76%) Google
2 67 (6.84%) Red Hat
3 56 (5.72%) New Relic
4 45 (4.60%) Microsoft
5 37 (3.78%) Splunk
6 36 (3.68%) Oracle
6 36 (3.68%) VMware
7 27 (2.76%) hybris
8 25 (2.55%) Adobe
9 24 (2.45%) IBM
10 22 (2.25%) PagerDuty
11 21 (2.15%) AppDynamics
11 21 (2.15%) SaltStack
12 15 (1.53%) Rackspace
12 15 (1.53%) SAP
13 12 (1.23%) Atlassian
14 11 (1.12%) Perforce
15 10 (1.02%) Dynatrace
15 10 (1.02%) F5
16 8 (0.82%) Sitecore