Period
to 19 March 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 March 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 Mar 2019
Same period 2018 Same period 2017
Rank 141 96 88
Rank change year-on-year -45 -8 -2
Contract jobs citing Ruby 852 1,223 1,193
As % of all contract IT jobs advertised in London 1.99% 2.63% 2.96%
As % of the Programming Languages category 4.09% 5.48% 6.50%
Number of daily rates quoted 632 941 965
London median daily rate £550 £525 £488
Median daily rate % change year-on-year +4.76% +7.69% +2.63%
10th Percentile £425 £400 £360
90th Percentile £699 £675 £613
England median daily rate £525 £500 £465
% change year-on-year +5.00% +7.53% +3.33%
Number of hourly rates quoted 1 3 0
London median hourly rate £70.00 £52.50 -
Median hourly rate % change year-on-year +33.33% - -
England median hourly rate £70.00 £43.75 £65.00
% change year-on-year +60.00% -32.69% +71.05%

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 20,812 22,318 18,362
As % of all contract IT jobs advertised in London 48.64% 47.99% 45.55%
Number of daily rates quoted 15,759 17,121 13,680
London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £363 £355 £325
90th Percentile £675 £675 £638
England median daily rate £480 £475 £433
% change year-on-year +1.11% +9.83% +1.76%
Number of hourly rates quoted 115 196 113
London median hourly rate £36.00 £35.29 £45.00
Median hourly rate % change year-on-year +2.01% -21.58% +73.08%
10th Percentile £18.79 £17.75 £17.61
90th Percentile £53.75 £53.75 £65.00
England median hourly rate £42.50 £40.00 £40.00
% change year-on-year +6.25% - +5.26%

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 March 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 March 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 -59 152 £550 - 133
South London +22 29 £560 +19.47% 7
West London -5 23 £500 - 31
East London -55 10 £575 +15.00% 24
Ruby
England

For the 6 months to 19 March 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.

1 528 (61.97%) Python
2 413 (48.47%) Agile Software Development
3 381 (44.72%) DevOps
4 344 (40.38%) Amazon AWS
5 343 (40.26%) Linux
6 302 (35.45%) Docker
7 299 (35.09%) Java
8 275 (32.28%) Ansible
9 262 (30.75%) JavaScript
10 259 (30.40%) Git (software)
11 257 (30.16%) Jenkins
12 242 (28.40%) Kubernetes
13 238 (27.93%) Ruby on Rails
14 214 (25.12%) Puppet
15 199 (23.36%) Terraform
16 194 (22.77%) TDD
17 193 (22.65%) Test Automation
18 174 (20.42%) Opscode Chef
19 169 (19.84%) Continuous Integration
19 169 (19.84%) Configuration Management
20 165 (19.37%) Bash Shell
21 164 (19.25%) Go
22 142 (16.67%) Perl
23 137 (16.08%) Microsoft Azure
24 128 (15.02%) SQL
24 128 (15.02%) PostgreSQL
25 114 (13.38%) Security Cleared
26 109 (12.79%) NoSQL
26 109 (12.79%) CSS
27 108 (12.68%) HTML

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 83 (9.74%) nginx
2 64 (7.51%) Apache
3 55 (6.46%) Elasticsearch
4 42 (4.93%) Tomcat
5 37 (4.34%) Cloud Foundry
6 35 (4.11%) Confluence
7 21 (2.46%) WebSphere
8 12 (1.41%) Apache Spark
9 11 (1.29%) CMS
10 10 (1.17%) IIS
11 8 (0.94%) JBoss
12 7 (0.82%) Adobe Experience Manager
12 7 (0.82%) WebLogic
13 6 (0.70%) Jetty
13 6 (0.70%) Mongrel
14 4 (0.47%) Apache Pig
14 4 (0.47%) Drupal
14 4 (0.47%) MS Exchange
14 4 (0.47%) OpenStack
14 4 (0.47%) WordPress
Applications
1 4 (0.47%) Microsoft Office
1 4 (0.47%) Photoshop
2 2 (0.23%) Adobe Illustrator
2 2 (0.23%) SPSS
Business Applications
1 3 (0.35%) Shopify
2 2 (0.23%) WebTrends
3 1 (0.12%) Distributed Ledger
3 1 (0.12%) SAP Hybris
Cloud Services
1 344 (40.38%) Amazon AWS
2 137 (16.08%) Microsoft Azure
3 107 (12.56%) GitHub
4 83 (9.74%) Google Cloud Platform
5 56 (6.57%) PaaS
6 54 (6.34%) Amazon EC2
7 49 (5.75%) Serverless
8 48 (5.63%) AWS CloudFormation
9 42 (4.93%) Amazon S3
10 41 (4.81%) IaaS
11 34 (3.99%) OpenShift
12 27 (3.17%) Datadog
13 26 (3.05%) AWS Lambda
14 24 (2.82%) Virtual Private Cloud
15 23 (2.70%) Quay.io
16 19 (2.23%) Cloud Computing
17 18 (2.11%) Heroku
18 14 (1.64%) Amazon CloudWatch
18 14 (1.64%) Amazon Kinesis
19 13 (1.53%) Amazon ELB
Communications & Networking
1 53 (6.22%) HTTP
2 28 (3.29%) DNS
3 26 (3.05%) TCP/IP
4 25 (2.93%) SSL
5 21 (2.46%) Firewall
6 16 (1.88%) VPN
7 15 (1.76%) DHCP
8 13 (1.53%) FTP
9 7 (0.82%) IPsec
10 6 (0.70%) Internet
10 6 (0.70%) LAN
10 6 (0.70%) WAN
11 5 (0.59%) Broadband
11 5 (0.59%) DVB
12 4 (0.47%) ICMP
12 4 (0.47%) SMTP
12 4 (0.47%) Software-Defined Networking
13 3 (0.35%) IMAP
13 3 (0.35%) IPv4
13 3 (0.35%) IPv6
Database & Business Intelligence
1 128 (15.02%) PostgreSQL
2 109 (12.79%) NoSQL
3 92 (10.80%) MySQL
4 41 (4.81%) MongoDB
5 39 (4.58%) Relational Database
6 37 (4.34%) Big Data
7 23 (2.70%) Redis
8 19 (2.23%) Amazon DynamoDB
9 15 (1.76%) Hadoop
10 13 (1.53%) RDBMS
10 13 (1.53%) SQL Server
11 11 (1.29%) Apache Cassandra
12 10 (1.17%) Amazon RDS
13 9 (1.06%) Apache Hive
14 7 (0.82%) Neo4j
15 6 (0.70%) Blockchain
15 6 (0.70%) Data Warehouse
15 6 (0.70%) HBase
16 5 (0.59%) Sqoop
17 4 (0.47%) Flink
Development Applications
1 259 (30.40%) Git (software)
2 257 (30.16%) Jenkins
3 97 (11.38%) JIRA
4 57 (6.69%) Artifactory
5 55 (6.46%) GitLab
6 49 (5.75%) Selenium
7 37 (4.34%) Cucumber
8 35 (4.11%) JUnit
9 33 (3.87%) Sonatype Nexus
9 33 (3.87%) TeamCity
10 29 (3.40%) GoCD
10 29 (3.40%) Subversion
11 23 (2.70%) Maven
12 21 (2.46%) Atlassian Bamboo
12 21 (2.46%) Bitbucket
12 21 (2.46%) gulp
13 20 (2.35%) RSpec
14 19 (2.23%) Hudson
15 17 (2.00%) Octopus Deploy
16 16 (1.88%) Gradle
General
1 106 (12.44%) Finance
2 33 (3.87%) Retail
3 31 (3.64%) Banking
4 17 (2.00%) Advertising
4 17 (2.00%) Marketing
5 16 (1.88%) Financial Institution
6 12 (1.41%) Games
6 12 (1.41%) Telecoms
7 10 (1.17%) Law
8 8 (0.94%) Publishing
9 6 (0.70%) Back Office
10 5 (0.59%) Manufacturing
11 4 (0.47%) Electronics
11 4 (0.47%) Legal
12 2 (0.23%) Investment Banking
13 1 (0.12%) Billing
13 1 (0.12%) Private Banking
Job Titles
1 314 (36.85%) Developer
2 212 (24.88%) DevOps Engineer
3 133 (15.61%) Ruby Developer
4 82 (9.62%) Ruby on Rails Developer
5 65 (7.63%) Architect
6 60 (7.04%) AWS Engineer
7 59 (6.92%) AWS DevOps
8 53 (6.22%) AWS DevOps Engineer
9 50 (5.87%) Senior Developer
10 40 (4.69%) Cloud Engineer
10 40 (4.69%) Senior DevOps
11 38 (4.46%) Senior Ruby Developer
12 32 (3.76%) Senior DevOps Engineer
13 28 (3.29%) Technical Architect
14 26 (3.05%) Python Developer
15 24 (2.82%) Operations Engineer
15 24 (2.82%) Senior Architect
16 23 (2.70%) Agile Developer
17 22 (2.58%) Systems Engineer
18 21 (2.46%) Tester
Libraries, Frameworks & Software Standards
1 238 (27.93%) Ruby on Rails
2 109 (12.79%) CSS
3 108 (12.68%) HTML
4 89 (10.45%) Node.js
5 86 (10.09%) Web Services
6 77 (9.04%) JSON
7 68 (7.98%) REST
8 66 (7.75%) Elastic Stack
9 57 (6.69%) RESTful
10 47 (5.52%) jQuery
11 45 (5.28%) .NET
12 43 (5.05%) Kafka
13 42 (4.93%) Django
13 42 (4.93%) SOAP
14 39 (4.58%) React
15 35 (4.11%) Spring
16 31 (3.64%) AngularJS
17 25 (2.93%) Twitter Bootstrap
18 23 (2.70%) RabbitMQ
19 21 (2.46%) OAuth
Miscellaneous
1 58 (6.81%) Greenfield Project
2 50 (5.87%) Fintech
3 34 (3.99%) Data Centre
4 26 (3.05%) Mobile App
5 23 (2.70%) Public Cloud
6 20 (2.35%) Linux Command Line
7 18 (2.11%) Enterprise Cloud
7 18 (2.11%) Management Information System
8 17 (2.00%) Analytical Skills
8 17 (2.00%) User Experience
9 13 (1.53%) Enterprise Software
10 12 (1.41%) PKI
11 10 (1.17%) Cyberthreat
11 10 (1.17%) Self-Motivation
12 9 (1.06%) Cloud Native
12 9 (1.06%) FMCG
13 8 (0.94%) Hybrid Cloud
14 5 (0.59%) Blog
14 5 (0.59%) Embedded Systems
14 5 (0.59%) STB
Operating Systems
1 343 (40.26%) Linux
2 75 (8.80%) Red Hat Enterprise Linux
3 68 (7.98%) Unix
4 39 (4.58%) Windows
5 31 (3.64%) CoreOS
6 29 (3.40%) Ubuntu
7 22 (2.58%) Mac OS X
8 11 (1.29%) Android
8 11 (1.29%) CentOS
8 11 (1.29%) Debian
9 10 (1.17%) Apple iOS
10 7 (0.82%) Windows Server
11 3 (0.35%) Fedora
11 3 (0.35%) Mac OS
11 3 (0.35%) Solaris
12 2 (0.23%) FreeBSD
12 2 (0.23%) Kali Linux
13 1 (0.12%) Amazon Linux
13 1 (0.12%) Android TV
13 1 (0.12%) Windows Server 2012
Processes & Methodologies
1 413 (48.47%) Agile Software Development
2 381 (44.72%) DevOps
3 194 (22.77%) TDD
4 193 (22.65%) Test Automation
5 169 (19.84%) Configuration Management
5 169 (19.84%) Continuous Integration
6 100 (11.74%) Open Source
7 93 (10.92%) Scrum
8 85 (9.98%) Continuous Deployment
9 82 (9.62%) Continuous Delivery
10 80 (9.39%) Microservices
11 71 (8.33%) Kanban
12 69 (8.10%) Problem-Solving
13 68 (7.98%) Deployment Automation
13 68 (7.98%) Web Development
14 66 (7.75%) BDD
15 60 (7.04%) Mentoring
16 59 (6.92%) Software Engineering
17 49 (5.75%) Front End Development
18 46 (5.40%) Security Operations
Programming Languages
1 528 (61.97%) Python
2 299 (35.09%) Java
3 262 (30.75%) JavaScript
4 165 (19.37%) Bash Shell
5 164 (19.25%) Go
6 142 (16.67%) Perl
7 128 (15.02%) SQL
8 61 (7.16%) Scala
9 57 (6.69%) C++
10 55 (6.46%) PHP
11 45 (5.28%) C#
11 45 (5.28%) Shell Script
12 43 (5.05%) Groovy
13 37 (4.34%) PowerShell
14 28 (3.29%) C
15 10 (1.17%) Elixir
16 8 (0.94%) TypeScript
17 7 (0.82%) Clojure
18 6 (0.70%) Erlang
18 6 (0.70%) Haskell
Qualifications
1 114 (13.38%) Security Cleared
2 64 (7.51%) SC Cleared
3 49 (5.75%) BPSS Clearance
4 34 (3.99%) Degree
5 29 (3.40%) AWS Certification
6 19 (2.23%) DV Cleared
7 18 (2.11%) RHCE
8 14 (1.64%) Computer Science Degree
8 14 (1.64%) ITIL Foundation Certificate
9 12 (1.41%) DBS Check
10 6 (0.70%) CTC Cleared
11 5 (0.59%) CEH
12 4 (0.47%) CHECK Team Member
12 4 (0.47%) SANS
13 3 (0.35%) CISSP
14 2 (0.23%) CISA
14 2 (0.23%) CREST Certified
14 2 (0.23%) OSCP
14 2 (0.23%) PMI Certification
15 1 (0.12%) GPEN
Quality Assurance & Compliance
1 46 (5.40%) QA
2 11 (1.29%) ISO/IEC 27001
3 10 (1.17%) Disclosure Scotland
4 9 (1.06%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
4 9 (1.06%) PCI DSS
5 8 (0.94%) HIPAA
5 8 (0.94%) Sarbanes-Oxley
6 6 (0.70%) GDPR
7 5 (0.59%) Data Quality
8 1 (0.12%) IFRS
8 1 (0.12%) IFRS 9
8 1 (0.12%) NIST 800
System Software
1 302 (35.45%) Docker
2 27 (3.17%) etcd
2 27 (3.17%) flannel
2 27 (3.17%) SkyDNS
3 25 (2.93%) Ceph
4 24 (2.82%) GlusterFS
5 21 (2.46%) VMware Infrastructure
6 19 (2.23%) Virtual Machines
7 12 (1.41%) Active Directory
8 11 (1.29%) Xen
9 7 (0.82%) HDFS
10 5 (0.59%) Firmware
10 5 (0.59%) VirtualBox
11 4 (0.47%) Hyper-V
11 4 (0.47%) Squid
11 4 (0.47%) Varnish
11 4 (0.47%) XenApp
12 3 (0.35%) KVM
13 2 (0.23%) Apache Flume
13 2 (0.23%) iptables
Systems Management
1 275 (32.28%) Ansible
2 242 (28.40%) Kubernetes
3 214 (25.12%) Puppet
4 199 (23.36%) Terraform
5 174 (20.42%) Opscode Chef
6 48 (5.63%) Prometheus
7 46 (5.40%) HAProxy
8 39 (4.58%) Graphite
9 38 (4.46%) Packer
9 38 (4.46%) Sysdig
10 31 (3.64%) rkt
11 30 (3.52%) Host Intrusion Detection System
11 30 (3.52%) Network Intrusion Detection System
12 29 (3.40%) Mesos
13 26 (3.05%) Kibana
14 22 (2.58%) Docker Swarm
14 22 (2.58%) logstash
15 20 (2.35%) Rundeck
16 19 (2.23%) Consul
17 18 (2.11%) SELinux
Vendors
1 62 (7.28%) Google
2 49 (5.75%) Splunk
3 48 (5.63%) Red Hat
4 43 (5.05%) SaltStack
5 42 (4.93%) Atlassian
6 31 (3.64%) Qualys
7 30 (3.52%) VMware
8 20 (2.35%) Microsoft
9 17 (2.00%) New Relic
9 17 (2.00%) Oracle
10 16 (1.88%) Adobe
11 11 (1.29%) Facebook
11 11 (1.29%) hybris
12 9 (1.06%) ServiceNow
13 7 (0.82%) Perforce
13 7 (0.82%) SAP
14 6 (0.70%) EMC
14 6 (0.70%) IBM
14 6 (0.70%) NetApp
14 6 (0.70%) TOWER Software