Period
to 19 July 2019

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 19 July 2019 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
19 Jul 2019
Same period 2018 Same period 2017
Rank 147 131 93
Rank change year-on-year -16 -38 -16
Contract jobs citing Ruby 828 1,037 1,219
As % of all contract IT jobs advertised in London 2.01% 2.24% 2.91%
As % of the Programming Languages category 4.24% 4.58% 6.17%
Number of daily rates quoted 660 736 944
London median daily rate £550 £525 £500
Median daily rate % change year-on-year +4.76% +5.00% -
10th Percentile £419 £406 £369
90th Percentile £700 £675 £613
England median daily rate £539 £500 £475
% change year-on-year +7.85% +5.26% -
Number of hourly rates quoted 1 6 2
London median hourly rate £70.00 £33.50 £40.00
Median hourly rate % change year-on-year +108.96% -16.25% -
England median hourly rate £35.00 £35.00 £40.00
% change year-on-year - -12.50% +300.00%

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 19,516 22,658 19,748
As % of all contract IT jobs advertised in London 47.47% 49.05% 47.16%
Number of daily rates quoted 14,740 17,326 14,627
London median daily rate £525 £513 £500
Median daily rate % change year-on-year +2.44% +2.50% +10.99%
10th Percentile £363 £363 £325
90th Percentile £688 £675 £650
England median daily rate £480 £475 £450
% change year-on-year +1.05% +5.56% +5.88%
Number of hourly rates quoted 125 193 148
London median hourly rate £36.67 £41.41 £38.75
Median hourly rate % change year-on-year -11.45% +6.86% +40.91%
10th Percentile £17.85 £17.52 £16.91
90th Percentile £60.67 £62.00 £52.15
England median hourly rate £44.00 £41.50 £41.50
% change year-on-year +6.02% - +10.67%

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 19 July 2019.

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
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 19 July 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -40 168 £531 +1.19% 108
East London +25 41 £550 +7.32% 18
West London +20 21 £494 +9.72% 22
South London +15 19 £560 +17.89% 8
Ruby
England

For the 6 months to 19 July 2019, 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.

1 477 (57.61%) Python
2 424 (51.21%) Agile Software Development
3 351 (42.39%) DevOps
4 340 (41.06%) Amazon AWS
5 303 (36.59%) JavaScript
6 299 (36.11%) Java
7 292 (35.27%) Linux
8 259 (31.28%) Ruby on Rails
9 255 (30.80%) TDD
10 215 (25.97%) Docker
11 210 (25.36%) Jenkins
12 190 (22.95%) Kubernetes
13 187 (22.58%) Continuous Integration
14 174 (21.01%) Git (software)
15 171 (20.65%) Terraform
16 169 (20.41%) Ansible
17 159 (19.20%) HTML
18 153 (18.48%) Scrum
19 148 (17.87%) Microsoft Azure
20 146 (17.63%) PostgreSQL
21 140 (16.91%) CSS
22 137 (16.55%) Bash Shell
22 137 (16.55%) Go
23 134 (16.18%) Opscode Chef
24 130 (15.70%) Node.js
25 129 (15.58%) Puppet
26 128 (15.46%) Test Automation
27 124 (14.98%) SQL
28 115 (13.89%) Perl
28 115 (13.89%) JIRA

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 56 (6.76%) nginx
2 45 (5.43%) Elasticsearch
3 41 (4.95%) Apache
4 40 (4.83%) Confluence
5 39 (4.71%) Tomcat
6 34 (4.11%) Cloud Foundry
7 21 (2.54%) WebSphere
8 16 (1.93%) Apache Spark
9 11 (1.33%) IIS
10 7 (0.85%) Jetty
10 7 (0.85%) OpenStack
11 5 (0.60%) JBoss
11 5 (0.60%) WebLogic
12 4 (0.48%) CMS
12 4 (0.48%) Drupal
12 4 (0.48%) Oracle Self-Service HR
12 4 (0.48%) Umbraco
13 3 (0.36%) CloudStack
13 3 (0.36%) Mongrel
14 2 (0.24%) Apache Pig
Applications
1 3 (0.36%) Microsoft Excel
2 2 (0.24%) Microsoft Office
Business Applications
1 7 (0.85%) Magento
2 2 (0.24%) Eloqua
2 2 (0.24%) SAP Oil and Gas
2 2 (0.24%) WebTrends
3 1 (0.12%) Cognos Business Intelligence
3 1 (0.12%) Distributed Ledger
3 1 (0.12%) SAP Hybris
3 1 (0.12%) Shopify
Cloud Services
1 340 (41.06%) Amazon AWS
2 148 (17.87%) Microsoft Azure
3 81 (9.78%) Google Cloud Platform
4 64 (7.73%) AWS CloudFormation
5 57 (6.88%) GitHub
6 42 (5.07%) Serverless
7 38 (4.59%) Amazon EC2
8 35 (4.23%) PaaS
9 34 (4.11%) Amazon CloudWatch
10 28 (3.38%) IaaS
11 27 (3.26%) Amazon S3
12 24 (2.90%) Amazon ECS
12 24 (2.90%) AWS Lambda
13 23 (2.78%) Datadog
14 22 (2.66%) npm
15 18 (2.17%) Cloud Computing
16 16 (1.93%) OpenShift
17 15 (1.81%) Amazon EKS
17 15 (1.81%) Amazon Kinesis
17 15 (1.81%) Virtual Private Cloud
Communications & Networking
1 31 (3.74%) Firewall
2 18 (2.17%) HTTP
2 18 (2.17%) TCP/IP
3 14 (1.69%) DNS
3 14 (1.69%) Internet
4 6 (0.72%) SSL
5 5 (0.60%) SSH
5 5 (0.60%) VPN
6 4 (0.48%) DHCP
6 4 (0.48%) FTP
6 4 (0.48%) SMTP
7 3 (0.36%) AMQP
7 3 (0.36%) IMAP
7 3 (0.36%) IPsec
7 3 (0.36%) PuTTY
8 2 (0.24%) Broadband
8 2 (0.24%) IPv4
8 2 (0.24%) NetScaler
8 2 (0.24%) OpenVPN
8 2 (0.24%) Wireshark
Database & Business Intelligence
1 146 (17.63%) PostgreSQL
2 95 (11.47%) NoSQL
3 84 (10.14%) MySQL
4 75 (9.06%) MongoDB
5 51 (6.16%) Big Data
6 47 (5.68%) Amazon DynamoDB
7 29 (3.50%) Relational Database
8 22 (2.66%) Redis
9 17 (2.05%) Hadoop
10 15 (1.81%) Amazon RDS
11 12 (1.45%) SQL Server
12 11 (1.33%) RDBMS
13 9 (1.09%) Amazon Athena
14 7 (0.85%) Neo4j
15 6 (0.72%) Blockchain
16 5 (0.60%) Data Warehouse
17 4 (0.48%) Apache Cassandra
17 4 (0.48%) Oracle Database
18 3 (0.36%) Cosmos DB
19 2 (0.24%) Apache Hive
Development Applications
1 210 (25.36%) Jenkins
2 174 (21.01%) Git (software)
3 115 (13.89%) JIRA
4 42 (5.07%) TeamCity
5 40 (4.83%) Selenium
6 36 (4.35%) Cucumber
7 31 (3.74%) Maven
8 30 (3.62%) Sonatype Nexus
9 28 (3.38%) gulp
10 24 (2.90%) JUnit
11 23 (2.78%) Gradle
12 20 (2.42%) Atlassian Bamboo
13 18 (2.17%) GitLab
13 18 (2.17%) Jasmine
14 17 (2.05%) Bitbucket
14 17 (2.05%) Subversion
15 16 (1.93%) GoCD
16 15 (1.81%) Artifactory
16 15 (1.81%) RSpec
17 14 (1.69%) Ant
General
1 96 (11.59%) Finance
2 30 (3.62%) Banking
3 26 (3.14%) Retail
4 13 (1.57%) Games
5 9 (1.09%) Telecoms
6 8 (0.97%) Marketing
7 6 (0.72%) Advertising
7 6 (0.72%) Law
7 6 (0.72%) Legal
8 5 (0.60%) Financial Institution
8 5 (0.60%) German Language
9 2 (0.24%) Manufacturing
9 2 (0.24%) Private Banking
9 2 (0.24%) Publishing
9 2 (0.24%) Retail Banking
10 1 (0.12%) Electronics
10 1 (0.12%) Investment Banking
Job Titles
1 368 (44.44%) Developer
2 190 (22.95%) DevOps Engineer
3 160 (19.32%) Ruby Developer
4 85 (10.27%) Architect
5 70 (8.45%) Ruby on Rails Developer
6 50 (6.04%) Python Developer
7 49 (5.92%) Java Developer
8 39 (4.71%) Senior Developer
8 39 (4.71%) Technical Architect
9 37 (4.47%) Front End Developer (Client-Side Developer)
10 36 (4.35%) Cloud Engineer
11 35 (4.23%) AWS DevOps
12 33 (3.99%) AWS Engineer
13 32 (3.86%) Senior DevOps
14 27 (3.26%) AWS DevOps Engineer
15 25 (3.02%) Senior DevOps Engineer
16 23 (2.78%) Full Stack Developer
17 22 (2.66%) Senior Ruby Developer
18 21 (2.54%) Ruby Engineer
19 20 (2.42%) Senior Architect
Libraries, Frameworks & Software Standards
1 259 (31.28%) Ruby on Rails
2 159 (19.20%) HTML
3 140 (16.91%) CSS
4 130 (15.70%) Node.js
5 92 (11.11%) Web Services
6 78 (9.42%) React
7 77 (9.30%) JSON
7 77 (9.30%) RESTful
8 65 (7.85%) REST
9 52 (6.28%) jQuery
10 49 (5.92%) Spring
11 45 (5.43%) .NET
12 40 (4.83%) Redux
13 37 (4.47%) HTML5
13 37 (4.47%) Kafka
14 34 (4.11%) Vue.js
15 30 (3.62%) Django
16 28 (3.38%) AngularJS
17 27 (3.26%) SOAP
18 26 (3.14%) Sass
Miscellaneous
1 56 (6.76%) Greenfield Project
2 25 (3.02%) User Experience
3 19 (2.29%) Data Centre
4 17 (2.05%) Enterprise Cloud
5 16 (1.93%) Mobile App
6 15 (1.81%) Public Cloud
7 12 (1.45%) Analytical Skills
7 12 (1.45%) Enterprise Software
8 10 (1.21%) Linux Command Line
9 9 (1.09%) Cloud Native
9 9 (1.09%) FMCG
10 8 (0.97%) Data Protection Act
10 8 (0.97%) PKI
11 7 (0.85%) Music Streaming
11 7 (0.85%) Self-Motivation
12 5 (0.60%) Replication
13 4 (0.48%) Derivative
13 4 (0.48%) Embedded Systems
14 3 (0.36%) Blog
14 3 (0.36%) Clustering
Operating Systems
1 292 (35.27%) Linux
2 80 (9.66%) Red Hat Enterprise Linux
3 60 (7.25%) Unix
4 59 (7.13%) Windows
5 39 (4.71%) Ubuntu
6 26 (3.14%) Mac OS X
7 22 (2.66%) Windows Server
8 19 (2.29%) Debian
9 15 (1.81%) CentOS
10 12 (1.45%) Android
10 12 (1.45%) Mac OS
11 10 (1.21%) Apple iOS
11 10 (1.21%) openSUSE
12 6 (0.72%) Solaris
13 5 (0.60%) CoreOS
14 3 (0.36%) Fedora
14 3 (0.36%) FreeBSD
14 3 (0.36%) Windows 10
14 3 (0.36%) Windows Server 2008
14 3 (0.36%) Windows Server 2012
Processes & Methodologies
1 424 (51.21%) Agile Software Development
2 351 (42.39%) DevOps
3 255 (30.80%) TDD
4 187 (22.58%) Continuous Integration
5 153 (18.48%) Scrum
6 128 (15.46%) Test Automation
7 112 (13.53%) Configuration Management
8 90 (10.87%) Open Source
9 85 (10.27%) Kanban
10 80 (9.66%) Continuous Delivery
11 78 (9.42%) Microservices
12 70 (8.45%) Front End Development
13 69 (8.33%) BDD
14 67 (8.09%) Infrastructure as Code
15 63 (7.61%) Continuous Deployment
16 54 (6.52%) Migration
16 54 (6.52%) Software Engineering
16 54 (6.52%) Web Development
17 53 (6.40%) Problem-Solving
18 46 (5.56%) Fintech
Programming Languages
1 477 (57.61%) Python
2 303 (36.59%) JavaScript
3 299 (36.11%) Java
4 137 (16.55%) Bash Shell
4 137 (16.55%) Go
5 124 (14.98%) SQL
6 115 (13.89%) Perl
7 78 (9.42%) Scala
8 61 (7.37%) Shell Script
9 59 (7.13%) C#
10 57 (6.88%) C++
11 56 (6.76%) Groovy
12 41 (4.95%) PHP
13 35 (4.23%) PowerShell
14 25 (3.02%) Java 8
15 21 (2.54%) TypeScript
16 18 (2.17%) ES6
17 14 (1.69%) C
18 13 (1.57%) PL/SQL
19 9 (1.09%) Clojure
Qualifications
1 92 (11.11%) Security Cleared
2 61 (7.37%) SC Cleared
3 26 (3.14%) BPSS Clearance
4 23 (2.78%) AWS Certification
5 22 (2.66%) Degree
6 17 (2.05%) Computer Science Degree
6 17 (2.05%) RHCE
7 8 (0.97%) CTC Cleared
7 8 (0.97%) DBS Check
8 7 (0.85%) CHECK Team Member
9 6 (0.72%) DV Cleared
10 1 (0.12%) CCNP
10 1 (0.12%) CISA
10 1 (0.12%) CISM
10 1 (0.12%) CISMP
10 1 (0.12%) CISSP
10 1 (0.12%) ISO 27001 Lead Implementer
10 1 (0.12%) ISSMP
10 1 (0.12%) PMI Certification
10 1 (0.12%) TOGAF Certification
Quality Assurance & Compliance
1 36 (4.35%) QA
2 13 (1.57%) NIST
3 12 (1.45%) ISO/IEC 27001
4 11 (1.33%) COBIT
5 5 (0.60%) Disclosure Scotland
6 4 (0.48%) Data Quality
7 2 (0.24%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 2 (0.24%) PCI DSS
7 2 (0.24%) SLA
8 1 (0.12%) ISO/IEC 20000
8 1 (0.12%) NIST 800
System Software
1 215 (25.97%) Docker
2 24 (2.90%) Virtual Machines
3 12 (1.45%) VMware Infrastructure
4 8 (0.97%) Apache Flume
4 8 (0.97%) HDFS
5 7 (0.85%) Active Directory
6 6 (0.72%) KVM
7 5 (0.60%) Squid
8 4 (0.48%) Xen
9 3 (0.36%) VirtualBox
10 2 (0.24%) etcd
10 2 (0.24%) Hyper-V
10 2 (0.24%) Varnish
10 2 (0.24%) vSphere
10 2 (0.24%) XenApp
10 2 (0.24%) XenDesktop
11 1 (0.12%) Btrfs
11 1 (0.12%) iptables
11 1 (0.12%) QEMU
11 1 (0.12%) Snort
Systems Management
1 190 (22.95%) Kubernetes
2 171 (20.65%) Terraform
3 169 (20.41%) Ansible
4 134 (16.18%) Opscode Chef
5 129 (15.58%) Puppet
6 20 (2.42%) Prometheus
7 17 (2.05%) Salt
8 13 (1.57%) Packer
9 11 (1.33%) Nessus
9 11 (1.33%) Suricata
10 9 (1.09%) Rundeck
11 8 (0.97%) HAProxy
11 8 (0.97%) Mesos
11 8 (0.97%) Sysdig
11 8 (0.97%) ZABBIX
12 7 (0.85%) Docker Swarm
12 7 (0.85%) Graphite
12 7 (0.85%) HP Fortify
12 7 (0.85%) Kibana
13 6 (0.72%) Nagios
Vendors
1 54 (6.52%) Red Hat
2 51 (6.16%) Google
3 39 (4.71%) Splunk
4 28 (3.38%) Microsoft
5 26 (3.14%) Oracle
6 25 (3.02%) Atlassian
7 19 (2.29%) SaltStack
7 19 (2.29%) VMware
8 18 (2.17%) Qualys
9 15 (1.81%) Adobe
9 15 (1.81%) Salesforce.com
10 12 (1.45%) Facebook
11 11 (1.33%) New Relic
12 10 (1.21%) AppDynamics
12 10 (1.21%) ServiceNow
13 7 (0.85%) Dynatrace
14 6 (0.72%) Cloudera
14 6 (0.72%) EMC
14 6 (0.72%) NetApp
14 6 (0.72%) SAP