Period
to 16 October 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 16 October 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
16 Oct 2018
Same period 2017 Same period 2016
Rank 145 110 73
Rank change year-on-year -35 -37 +17
Contract jobs citing Ruby 930 1,096 1,560
As % of all contract IT jobs advertised in London 2.01% 2.44% 3.51%
As % of the Programming Languages category 4.01% 5.05% 7.90%
Number of daily rates quoted 683 844 1,180
London median daily rate £550 £513 £500
Median daily rate % change year-on-year +7.32% +2.50% +11.11%
10th Percentile £419 £393 £363
90th Percentile £675 £625 £625
England median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% +5.56%
Number of hourly rates quoted 3 1 0
London median hourly rate £14.50 £40.00 -
Median hourly rate % change year-on-year -63.75% - -
England median hourly rate £35.00 £29.65 £10.00
% change year-on-year +18.05% +196.48% +25.00%

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 23,184 21,683 19,750
As % of all contract IT jobs advertised in London 50.21% 48.25% 44.46%
Number of daily rates quoted 17,610 16,309 14,843
London median daily rate £525 £500 £450
Median daily rate % change year-on-year +5.00% +11.11% -
10th Percentile £363 £350 £313
90th Percentile £675 £663 £630
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +6.25%
Number of hourly rates quoted 134 143 111
London median hourly rate £39.00 £35.50 £32.50
Median hourly rate % change year-on-year +9.86% +9.23% +32.03%
10th Percentile £18.00 £17.80 £14.13
90th Percentile £69.55 £51.60 £67.50
England median hourly rate £42.27 £40.00 £37.50
% change year-on-year +5.66% +6.67% +2.74%

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 16 October 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 16 October 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 16 October 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 +15 235 £540 +2.86% 118
West London -33 27 £518 +3.50% 63
South London -36 26 £475 -13.64% 4
East London -28 14 £531 +13.03% 23
Ruby
England

For the 6 months to 16 October 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.

1 564 (60.65%) Python
2 480 (51.61%) DevOps
3 466 (50.11%) Agile Software Development
4 438 (47.10%) Amazon AWS
5 388 (41.72%) Linux
6 356 (38.28%) Java
7 320 (34.41%) Docker
8 300 (32.26%) Jenkins
9 298 (32.04%) Git (software)
10 255 (27.42%) Puppet
11 253 (27.20%) Terraform
12 245 (26.34%) Ansible
13 244 (26.24%) Ruby on Rails
14 237 (25.48%) TDD
15 229 (24.62%) JavaScript
16 213 (22.90%) Kubernetes
17 212 (22.80%) Bash Shell
18 203 (21.83%) Continuous Integration
19 200 (21.51%) Opscode Chef
20 190 (20.43%) Configuration Management
21 177 (19.03%) Perl
22 174 (18.71%) Test Automation
23 166 (17.85%) Go
24 153 (16.45%) Finance
25 142 (15.27%) MySQL
26 137 (14.73%) Microservices
27 128 (13.76%) Unix
28 121 (13.01%) Scrum
28 121 (13.01%) Open Source
29 119 (12.80%) Microsoft Azure

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 (8.06%) Apache
2 50 (5.38%) nginx
3 42 (4.52%) Confluence
3 42 (4.52%) Elasticsearch
4 27 (2.90%) Cloud Foundry
5 25 (2.69%) Tomcat
6 20 (2.15%) Adobe Experience Manager
6 20 (2.15%) WebSphere
7 18 (1.94%) Apache Spark
7 18 (1.94%) IIS
8 16 (1.72%) Jetty
8 16 (1.72%) Mongrel
9 15 (1.61%) OpenStack
10 14 (1.51%) Apache Solr
11 7 (0.75%) CMS
12 6 (0.65%) Apache Pig
13 4 (0.43%) Apache Airflow
13 4 (0.43%) Ethereum
13 4 (0.43%) Hyperledger
13 4 (0.43%) WildFly
Applications
1 3 (0.32%) Microsoft Excel
2 2 (0.22%) Adobe Illustrator
2 2 (0.22%) Photoshop
3 1 (0.11%) Chatbot
3 1 (0.11%) HipChat
3 1 (0.11%) Microsoft Office
3 1 (0.11%) MS Visio
3 1 (0.11%) SPSS
Business Applications
1 4 (0.43%) Remedy ITSM
2 2 (0.22%) Shopify
3 1 (0.11%) Dynamics CRM
3 1 (0.11%) SAP ERP
Cloud Services
1 438 (47.10%) Amazon AWS
2 119 (12.80%) Microsoft Azure
3 107 (11.51%) GitHub
4 97 (10.43%) AWS CloudFormation
5 88 (9.46%) Amazon EC2
6 77 (8.28%) Amazon S3
7 62 (6.67%) Google Cloud Platform
8 52 (5.59%) Serverless
9 44 (4.73%) Heroku
10 42 (4.52%) Cloud Computing
11 38 (4.09%) OpenShift
12 36 (3.87%) Amazon ELB
12 36 (3.87%) IaaS
13 34 (3.66%) PaaS
14 32 (3.44%) Virtual Private Cloud
15 28 (3.01%) AWS Lambda
15 28 (3.01%) SaaS
16 19 (2.04%) Amazon CloudWatch
16 19 (2.04%) npm
17 14 (1.51%) Sumo Logic
Communications & Networking
1 86 (9.25%) HTTP
2 67 (7.20%) DNS
3 56 (6.02%) TCP/IP
4 41 (4.41%) Firewall
4 41 (4.41%) SSL
5 31 (3.33%) Internet
6 14 (1.51%) BIG-IP
7 13 (1.40%) DVB
8 11 (1.18%) FTP
9 9 (0.97%) VPN
10 7 (0.75%) Intranet
10 7 (0.75%) RTMP
11 6 (0.65%) SMS
12 5 (0.54%) DHCP
12 5 (0.54%) Junos
13 3 (0.32%) IPv6
13 3 (0.32%) Kerberos
13 3 (0.32%) MPLS
13 3 (0.32%) SMTP
13 3 (0.32%) SNMP
Database & Business Intelligence
1 142 (15.27%) MySQL
2 106 (11.40%) PostgreSQL
3 92 (9.89%) NoSQL
4 86 (9.25%) MongoDB
5 54 (5.81%) Relational Database
6 43 (4.62%) Redis
7 36 (3.87%) Big Data
8 27 (2.90%) Apache Cassandra
9 25 (2.69%) Hadoop
10 22 (2.37%) Amazon RDS
10 22 (2.37%) HBase
11 21 (2.26%) InfluxDB
12 17 (1.83%) MariaDB
13 15 (1.61%) Blockchain
13 15 (1.61%) SQL Server
14 13 (1.40%) Data Warehouse
15 11 (1.18%) Amazon DynamoDB
16 10 (1.08%) RDBMS
17 9 (0.97%) Apache Hive
17 9 (0.97%) SQL Server Integration Services
Development Applications
1 300 (32.26%) Jenkins
2 298 (32.04%) Git (software)
3 84 (9.03%) JIRA
4 61 (6.56%) Selenium
4 61 (6.56%) Sonatype Nexus
5 57 (6.13%) Artifactory
6 50 (5.38%) Vagrant
7 48 (5.16%) Cucumber
7 48 (5.16%) GitLab
8 47 (5.05%) Maven
9 45 (4.84%) Subversion
10 37 (3.98%) Atlassian Bamboo
10 37 (3.98%) TeamCity
11 32 (3.44%) Ant
11 32 (3.44%) JUnit
12 31 (3.33%) SonarQube
13 28 (3.01%) Bitbucket
14 27 (2.90%) Gerrit
15 26 (2.80%) Gradle
15 26 (2.80%) Hudson
General
1 153 (16.45%) Finance
2 95 (10.22%) Banking
3 37 (3.98%) Retail
4 29 (3.12%) Marketing
5 24 (2.58%) Financial Institution
6 16 (1.72%) Front Office
7 14 (1.51%) Law
8 12 (1.29%) Investment Banking
9 6 (0.65%) Manufacturing
10 5 (0.54%) Advertising
10 5 (0.54%) Games
10 5 (0.54%) Telecoms
11 4 (0.43%) Legal
12 3 (0.32%) Back Office
12 3 (0.32%) Electronics
12 3 (0.32%) Russian Language
13 2 (0.22%) Publishing
14 1 (0.11%) Pharmaceutical
Job Titles
1 335 (36.02%) DevOps Engineer
2 319 (34.30%) Developer
3 126 (13.55%) AWS Engineer
4 116 (12.47%) AWS DevOps
5 108 (11.61%) AWS DevOps Engineer
6 103 (11.08%) Ruby Developer
7 101 (10.86%) Ruby on Rails Developer
8 54 (5.81%) Senior DevOps
8 54 (5.81%) Senior DevOps Engineer
9 51 (5.48%) Cloud Engineer
10 33 (3.55%) Kubernetes Engineer
11 32 (3.44%) Ruby Engineer
12 31 (3.33%) Senior Developer
13 30 (3.23%) Architect
13 30 (3.23%) Linux/Unix DevOps
13 30 (3.23%) Operations Engineer
14 29 (3.12%) Agile Developer
15 28 (3.01%) Azure Engineer
15 28 (3.01%) Linux Engineer
16 24 (2.58%) Tester
Libraries, Frameworks & Software Standards
1 244 (26.24%) Ruby on Rails
2 116 (12.47%) Web Services
3 91 (9.78%) Node.js
4 87 (9.35%) CSS
4 87 (9.35%) HTML
5 84 (9.03%) REST
6 74 (7.96%) JSON
7 72 (7.74%) Elastic Stack
8 62 (6.67%) RESTful
9 50 (5.38%) React
10 46 (4.95%) Spring
11 43 (4.62%) AngularJS
12 38 (4.09%) RabbitMQ
13 37 (3.98%) Django
14 36 (3.87%) Spring Boot
15 30 (3.23%) Sensu
16 29 (3.12%) Kafka
17 28 (3.01%) jQuery
17 28 (3.01%) LAMP
18 27 (2.90%) .NET
Miscellaneous
1 68 (7.31%) Greenfield Project
2 66 (7.10%) Linux Command Line
3 53 (5.70%) Fintech
4 35 (3.76%) Computer Science
5 27 (2.90%) Data Centre
6 24 (2.58%) Public Cloud
7 23 (2.47%) Mobile App
8 22 (2.37%) Enterprise Cloud
9 19 (2.04%) Virtual Team
10 16 (1.72%) Hybrid Cloud
10 16 (1.72%) iPad
10 16 (1.72%) User Experience
11 13 (1.40%) Enterprise Software
11 13 (1.40%) Replication
11 13 (1.40%) Self-Motivation
12 12 (1.29%) Analytical Skills
13 11 (1.18%) Embedded Systems
13 11 (1.18%) IPTV
13 11 (1.18%) STB
14 9 (0.97%) Credit Risk
Operating Systems
1 388 (41.72%) Linux
2 128 (13.76%) Unix
3 60 (6.45%) Windows
4 39 (4.19%) Red Hat Enterprise Linux
5 31 (3.33%) Ubuntu
6 25 (2.69%) CentOS
6 25 (2.69%) Solaris
7 23 (2.47%) Debian
8 18 (1.94%) Apple iOS
9 15 (1.61%) CoreOS
9 15 (1.61%) Fedora
9 15 (1.61%) SUSE
9 15 (1.61%) SUSE Linux Enterprise Server
10 11 (1.18%) Android
10 11 (1.18%) Mac OS X
11 5 (0.54%) Mac OS
12 4 (0.43%) AIX
12 4 (0.43%) Windows Server
13 1 (0.11%) Windows 7
13 1 (0.11%) Windows Server 2012
Processes & Methodologies
1 480 (51.61%) DevOps
2 466 (50.11%) Agile Software Development
3 237 (25.48%) TDD
4 203 (21.83%) Continuous Integration
5 190 (20.43%) Configuration Management
6 174 (18.71%) Test Automation
7 137 (14.73%) Microservices
8 121 (13.01%) Open Source
8 121 (13.01%) Scrum
9 110 (11.83%) Continuous Delivery
10 99 (10.65%) BDD
11 89 (9.57%) E-Commerce
12 70 (7.53%) Load Balancing
13 69 (7.42%) Software Engineering
14 67 (7.20%) Migration
15 61 (6.56%) Pair Programming
16 60 (6.45%) Deployment Automation
16 60 (6.45%) Kanban
17 54 (5.81%) Problem-Solving
18 46 (4.95%) Mentoring
Programming Languages
1 564 (60.65%) Python
2 356 (38.28%) Java
3 229 (24.62%) JavaScript
4 212 (22.80%) Bash Shell
5 177 (19.03%) Perl
6 166 (17.85%) Go
7 117 (12.58%) SQL
8 76 (8.17%) Scala
9 55 (5.91%) Shell Script
10 52 (5.59%) Groovy
11 48 (5.16%) PHP
12 46 (4.95%) C
13 44 (4.73%) C++
14 40 (4.30%) PowerShell
15 39 (4.19%) C#
16 20 (2.15%) ES6
17 16 (1.72%) Java 8
18 11 (1.18%) Objective-C
19 10 (1.08%) Apple Swift
20 9 (0.97%) TypeScript
Qualifications
1 68 (7.31%) Security Cleared
2 61 (6.56%) SC Cleared
3 38 (4.09%) Degree
4 21 (2.26%) BPSS Clearance
5 19 (2.04%) Computer Science Degree
6 16 (1.72%) AWS Certification
7 3 (0.32%) CEH
7 3 (0.32%) DV Cleared
7 3 (0.32%) Master's Degree
7 3 (0.32%) Numerate Degree
8 2 (0.22%) CREST Certified
8 2 (0.22%) ISTQB
8 2 (0.22%) OSCP
8 2 (0.22%) SANS
9 1 (0.11%) CCNA
9 1 (0.11%) CISA
9 1 (0.11%) CISM
9 1 (0.11%) CISMP
9 1 (0.11%) ISO 27001 Lead Implementer
9 1 (0.11%) ISSMP
Quality Assurance & Compliance
1 40 (4.30%) QA
2 6 (0.65%) Data Quality
3 5 (0.54%) GDPR
4 4 (0.43%) PCI DSS
5 3 (0.32%) ISO/IEC 27001
6 2 (0.22%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 320 (34.41%) Docker
2 30 (3.23%) etcd
2 30 (3.23%) flannel
3 26 (2.80%) VMware Infrastructure
4 25 (2.69%) VirtualBox
5 17 (1.83%) Active Directory
6 14 (1.51%) HDFS
6 14 (1.51%) Hyper-V
7 11 (1.18%) Ceph
7 11 (1.18%) GlusterFS
7 11 (1.18%) SkyDNS
8 6 (0.65%) Virtual Machines
8 6 (0.65%) Xen
9 5 (0.54%) Firmware
10 4 (0.43%) KVM
10 4 (0.43%) Squid
11 2 (0.22%) vSphere
12 1 (0.11%) iptables
12 1 (0.11%) NFS
12 1 (0.11%) XenApp
Systems Management
1 255 (27.42%) Puppet
2 253 (27.20%) Terraform
3 245 (26.34%) Ansible
4 213 (22.90%) Kubernetes
5 200 (21.51%) Opscode Chef
6 64 (6.88%) Packer
7 58 (6.24%) Nagios
8 53 (5.70%) Mesos
9 50 (5.38%) logstash
10 49 (5.27%) Prometheus
11 45 (4.84%) Kibana
11 45 (4.84%) Salt
12 41 (4.41%) ZABBIX
13 39 (4.19%) Consul
14 29 (3.12%) rkt
15 28 (3.01%) HAProxy
16 22 (2.37%) Sysdig
16 22 (2.37%) Uchiwa
17 21 (2.26%) Grafana
17 21 (2.26%) Pingdom
Vendors
1 75 (8.06%) Red Hat
2 74 (7.96%) Google
3 68 (7.31%) Splunk
4 58 (6.24%) New Relic
5 49 (5.27%) Microsoft
6 41 (4.41%) VMware
7 32 (3.44%) Oracle
8 29 (3.12%) AppDynamics
9 24 (2.58%) hybris
10 23 (2.47%) Adobe
10 23 (2.47%) IBM
10 23 (2.47%) PagerDuty
11 21 (2.26%) SaltStack
12 14 (1.51%) F5
13 12 (1.29%) Atlassian
14 11 (1.18%) Huawei
15 10 (1.08%) Dynatrace
15 10 (1.08%) SOASTA, Inc
16 9 (0.97%) Rackspace
16 9 (0.97%) Tableau