Period
to 11 December 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 11 December 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
11 Dec 2018
Same period 2017 Same period 2016
Rank 147 110 74
Rank change year-on-year -37 -36 +16
Contract jobs citing Ruby 916 1,141 1,483
As % of all contract IT jobs advertised in London 1.94% 2.40% 3.34%
As % of the Programming Languages category 3.87% 4.95% 7.48%
Number of daily rates quoted 664 926 1,135
London median daily rate £550 £525 £500
Median daily rate % change year-on-year +4.76% +5.00% +8.40%
10th Percentile £413 £400 £363
90th Percentile £688 £658 £625
England median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% +5.56%
Number of hourly rates quoted 0 1 0
London median hourly rate - £35.00 -
England median hourly rate £35.00 £27.15 £10.00
% change year-on-year +28.93% +171.48% +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 23,670 23,040 19,834
As % of all contract IT jobs advertised in London 50.26% 48.52% 44.67%
Number of daily rates quoted 18,070 17,568 14,781
London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £363 £350 £313
90th Percentile £675 £675 £633
England median daily rate £475 £463 £425
% change year-on-year +2.70% +8.82% +3.03%
Number of hourly rates quoted 115 145 113
London median hourly rate £36.00 £32.50 £33.87
Median hourly rate % change year-on-year +10.77% -4.03% +39.76%
10th Percentile £18.53 £18.01 £16.21
90th Percentile £58.75 £51.00 £57.38
England median hourly rate £42.19 £40.00 £38.88
% change year-on-year +5.48% +2.89% +3.67%

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 11 December 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
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 11 December 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 -25 191 £540 -1.82% 94
South London -14 31 £550 +2.33% 7
West London -25 28 £534 +6.75% 40
East London -40 16 £575 +21.05% 25
Ruby
England

For the 6 months to 11 December 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.

1 574 (62.66%) Python
2 441 (48.14%) Agile Software Development
3 427 (46.62%) DevOps
4 411 (44.87%) Amazon AWS
5 373 (40.72%) Linux
6 333 (36.35%) Java
7 312 (34.06%) Docker
8 293 (31.99%) Jenkins
9 270 (29.48%) Git (software)
10 263 (28.71%) Ansible
11 242 (26.42%) JavaScript
12 238 (25.98%) Ruby on Rails
13 233 (25.44%) Puppet
13 233 (25.44%) Terraform
14 217 (23.69%) Kubernetes
15 216 (23.58%) Opscode Chef
15 216 (23.58%) TDD
16 198 (21.62%) Test Automation
16 198 (21.62%) Bash Shell
17 179 (19.54%) Continuous Integration
18 166 (18.12%) Perl
19 161 (17.58%) Configuration Management
20 160 (17.47%) Go
21 147 (16.05%) Finance
22 122 (13.32%) MySQL
23 116 (12.66%) SQL
23 116 (12.66%) Web Services
23 116 (12.66%) Microsoft Azure
24 110 (12.01%) Continuous Delivery
25 109 (11.90%) Open Source

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 68 (7.42%) Apache
2 55 (6.00%) Elasticsearch
3 47 (5.13%) nginx
4 38 (4.15%) Confluence
5 26 (2.84%) Tomcat
6 21 (2.29%) WebSphere
7 19 (2.07%) IIS
8 17 (1.86%) Apache Spark
9 15 (1.64%) Jetty
9 15 (1.64%) Mongrel
10 13 (1.42%) Apache Solr
11 11 (1.20%) Adobe Experience Manager
11 11 (1.20%) Cloud Foundry
12 10 (1.09%) OpenStack
13 7 (0.76%) CMS
14 5 (0.55%) Apache Pig
14 5 (0.55%) MS Exchange
15 4 (0.44%) Apache Airflow
15 4 (0.44%) BizTalk Server
15 4 (0.44%) Drupal
Applications
1 4 (0.44%) Microsoft Office
1 4 (0.44%) Photoshop
2 2 (0.22%) Adobe Illustrator
2 2 (0.22%) SPSS
3 1 (0.11%) HipChat
Business Applications
1 4 (0.44%) Remedy ITSM
2 2 (0.22%) Shopify
Cloud Services
1 411 (44.87%) Amazon AWS
2 116 (12.66%) Microsoft Azure
3 94 (10.26%) GitHub
4 92 (10.04%) AWS CloudFormation
5 77 (8.41%) Amazon EC2
6 68 (7.42%) Amazon S3
6 68 (7.42%) Serverless
7 53 (5.79%) OpenShift
8 48 (5.24%) Google Cloud Platform
9 47 (5.13%) PaaS
10 39 (4.26%) Virtual Private Cloud
11 38 (4.15%) IaaS
12 31 (3.38%) Heroku
13 29 (3.17%) AWS Lambda
14 28 (3.06%) SaaS
15 25 (2.73%) Cloud Computing
16 22 (2.40%) Amazon ELB
17 21 (2.29%) Datadog
18 15 (1.64%) Quay.io
19 13 (1.42%) Amazon Kinesis
Communications & Networking
1 80 (8.73%) HTTP
2 53 (5.79%) DNS
3 32 (3.49%) SSL
4 31 (3.38%) Firewall
4 31 (3.38%) TCP/IP
5 21 (2.29%) Internet
6 17 (1.86%) VPN
7 13 (1.42%) DHCP
8 11 (1.20%) BIG-IP
8 11 (1.20%) FTP
9 8 (0.87%) DVB
10 6 (0.66%) Intranet
10 6 (0.66%) LAN
10 6 (0.66%) WAN
11 5 (0.55%) Junos
12 4 (0.44%) ICMP
12 4 (0.44%) Software-Defined Networking
12 4 (0.44%) X.509
13 3 (0.33%) IPsec
13 3 (0.33%) MPLS
Database & Business Intelligence
1 122 (13.32%) MySQL
2 97 (10.59%) PostgreSQL
3 90 (9.83%) NoSQL
4 62 (6.77%) Relational Database
5 55 (6.00%) MongoDB
6 32 (3.49%) Big Data
7 29 (3.17%) Redis
8 25 (2.73%) Hadoop
9 22 (2.40%) Apache Cassandra
10 18 (1.97%) Amazon RDS
11 15 (1.64%) MariaDB
11 15 (1.64%) SQL Server
12 14 (1.53%) Data Warehouse
12 14 (1.53%) HBase
12 14 (1.53%) RDBMS
13 13 (1.42%) InfluxDB
14 11 (1.20%) Apache Hive
15 10 (1.09%) Blockchain
15 10 (1.09%) SQL Server Integration Services
16 9 (0.98%) Amazon DynamoDB
Development Applications
1 293 (31.99%) Jenkins
2 270 (29.48%) Git (software)
3 72 (7.86%) JIRA
4 62 (6.77%) Selenium
5 49 (5.35%) Cucumber
6 47 (5.13%) Artifactory
6 47 (5.13%) Atlassian Bamboo
7 43 (4.69%) Sonatype Nexus
8 39 (4.26%) Vagrant
9 38 (4.15%) Subversion
9 38 (4.15%) TeamCity
10 37 (4.04%) GitLab
11 33 (3.60%) GoCD
12 32 (3.49%) Maven
13 31 (3.38%) JUnit
14 29 (3.17%) RSpec
15 27 (2.95%) Hudson
16 22 (2.40%) JMeter
17 20 (2.18%) Ant
17 20 (2.18%) Bitbucket
General
1 147 (16.05%) Finance
2 75 (8.19%) Banking
3 28 (3.06%) Financial Institution
3 28 (3.06%) Retail
4 23 (2.51%) Marketing
5 18 (1.97%) Law
6 11 (1.20%) Front Office
7 9 (0.98%) Advertising
7 9 (0.98%) Investment Banking
8 7 (0.76%) Publishing
9 6 (0.66%) Back Office
9 6 (0.66%) Manufacturing
10 5 (0.55%) Telecoms
11 3 (0.33%) Electronics
11 3 (0.33%) Legal
12 2 (0.22%) Games
13 1 (0.11%) Pharmaceutical
13 1 (0.11%) Russian Language
Job Titles
1 310 (33.84%) Developer
2 285 (31.11%) DevOps Engineer
3 110 (12.01%) Ruby Developer
4 97 (10.59%) Ruby on Rails Developer
5 95 (10.37%) AWS Engineer
6 89 (9.72%) AWS DevOps
7 86 (9.39%) AWS DevOps Engineer
8 49 (5.35%) Cloud Engineer
9 45 (4.91%) Architect
10 41 (4.48%) Operations Engineer
10 41 (4.48%) Senior DevOps
11 39 (4.26%) Senior DevOps Engineer
12 36 (3.93%) Senior Developer
13 28 (3.06%) Tester
14 26 (2.84%) Agile Developer
15 24 (2.62%) Kubernetes Engineer
16 23 (2.51%) Linux Engineer
17 21 (2.29%) Linux/Unix DevOps
18 20 (2.18%) Azure Engineer
18 20 (2.18%) Senior Ruby Developer
Libraries, Frameworks & Software Standards
1 238 (25.98%) Ruby on Rails
2 116 (12.66%) Web Services
3 79 (8.62%) Node.js
4 78 (8.52%) CSS
4 78 (8.52%) JSON
5 76 (8.30%) REST
6 75 (8.19%) HTML
7 62 (6.77%) Elastic Stack
7 62 (6.77%) RESTful
8 50 (5.46%) Django
9 37 (4.04%) .NET
9 37 (4.04%) Spring
10 36 (3.93%) React
11 33 (3.60%) AngularJS
12 31 (3.38%) Kafka
13 26 (2.84%) jQuery
13 26 (2.84%) LAMP
14 24 (2.62%) OAuth
15 22 (2.40%) Play Framework
15 22 (2.40%) SOAP
Miscellaneous
1 75 (8.19%) Greenfield Project
2 53 (5.79%) Linux Command Line
3 36 (3.93%) Fintech
4 34 (3.71%) Data Centre
5 26 (2.84%) Enterprise Cloud
6 24 (2.62%) Public Cloud
7 23 (2.51%) Mobile App
8 19 (2.07%) User Experience
9 16 (1.75%) Analytical Skills
9 16 (1.75%) Enterprise Software
9 16 (1.75%) Management Information System
10 15 (1.64%) Hybrid Cloud
11 14 (1.53%) Self-Motivation
12 12 (1.31%) Replication
13 11 (1.20%) Virtual Team
14 9 (0.98%) Cyberthreat
15 8 (0.87%) Cloud Native
16 7 (0.76%) Embedded Systems
16 7 (0.76%) STB
17 6 (0.66%) PKI
Operating Systems
1 373 (40.72%) Linux
2 104 (11.35%) Unix
3 64 (6.99%) Red Hat Enterprise Linux
4 51 (5.57%) Windows
5 22 (2.40%) CoreOS
5 22 (2.40%) Ubuntu
6 20 (2.18%) Debian
7 19 (2.07%) CentOS
7 19 (2.07%) Solaris
8 17 (1.86%) Mac OS X
9 13 (1.42%) Apple iOS
9 13 (1.42%) Fedora
10 12 (1.31%) SUSE
10 12 (1.31%) SUSE Linux Enterprise Server
11 11 (1.20%) Android
12 7 (0.76%) Windows Server
13 5 (0.55%) Mac OS
14 2 (0.22%) Kali Linux
15 1 (0.11%) Windows 7
15 1 (0.11%) Windows Server 2012
Processes & Methodologies
1 441 (48.14%) Agile Software Development
2 427 (46.62%) DevOps
3 216 (23.58%) TDD
4 198 (21.62%) Test Automation
5 179 (19.54%) Continuous Integration
6 161 (17.58%) Configuration Management
7 110 (12.01%) Continuous Delivery
8 109 (11.90%) Open Source
9 107 (11.68%) Scrum
10 102 (11.14%) Microservices
11 88 (9.61%) BDD
12 77 (8.41%) Migration
13 64 (6.99%) Kanban
14 60 (6.55%) Continuous Deployment
15 57 (6.22%) Deployment Automation
16 56 (6.11%) Problem-Solving
17 54 (5.90%) Pair Programming
18 53 (5.79%) E-Commerce
19 51 (5.57%) Software Engineering
20 49 (5.35%) Analytics
Programming Languages
1 574 (62.66%) Python
2 333 (36.35%) Java
3 242 (26.42%) JavaScript
4 198 (21.62%) Bash Shell
5 166 (18.12%) Perl
6 160 (17.47%) Go
7 116 (12.66%) SQL
8 72 (7.86%) Scala
9 55 (6.00%) Shell Script
10 54 (5.90%) C++
11 50 (5.46%) C
11 50 (5.46%) PHP
12 41 (4.48%) PowerShell
13 37 (4.04%) Groovy
14 35 (3.82%) C#
15 10 (1.09%) ES6
15 10 (1.09%) Java 8
15 10 (1.09%) Objective-C
16 9 (0.98%) Elixir
17 8 (0.87%) VB
Qualifications
1 103 (11.24%) Security Cleared
2 66 (7.21%) SC Cleared
3 37 (4.04%) BPSS Clearance
4 31 (3.38%) Degree
5 30 (3.28%) AWS Certification
6 17 (1.86%) Computer Science Degree
7 12 (1.31%) RHCE
8 10 (1.09%) DV Cleared
8 10 (1.09%) ITIL Foundation Certificate
9 6 (0.66%) CEH
9 6 (0.66%) CTC Cleared
9 6 (0.66%) SANS
10 5 (0.55%) DBS Check
11 3 (0.33%) CREST Certified
11 3 (0.33%) OSCP
12 2 (0.22%) CISSP
12 2 (0.22%) ISTQB
12 2 (0.22%) PMI Certification
13 1 (0.11%) Cisco Certification
13 1 (0.11%) Sun Certification
Quality Assurance & Compliance
1 47 (5.13%) QA
2 10 (1.09%) ISO/IEC 27001
3 9 (0.98%) PCI DSS
4 8 (0.87%) HIPAA
4 8 (0.87%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
4 8 (0.87%) Sarbanes-Oxley
5 7 (0.76%) Data Quality
6 5 (0.55%) Disclosure Scotland
6 5 (0.55%) GDPR
System Software
1 312 (34.06%) Docker
2 28 (3.06%) VMware Infrastructure
3 24 (2.62%) etcd
3 24 (2.62%) flannel
4 19 (2.07%) VirtualBox
5 18 (1.97%) Active Directory
5 18 (1.97%) Ceph
5 18 (1.97%) GlusterFS
5 18 (1.97%) SkyDNS
6 16 (1.75%) Hyper-V
7 9 (0.98%) HDFS
8 7 (0.76%) Xen
9 5 (0.55%) Firmware
10 4 (0.44%) Virtual Machines
10 4 (0.44%) XenApp
11 3 (0.33%) KVM
11 3 (0.33%) Squid
12 2 (0.22%) vSphere
13 1 (0.11%) iptables
13 1 (0.11%) LXC
Systems Management
1 263 (28.71%) Ansible
2 233 (25.44%) Puppet
2 233 (25.44%) Terraform
3 217 (23.69%) Kubernetes
4 216 (23.58%) Opscode Chef
5 78 (8.52%) Packer
6 57 (6.22%) Prometheus
7 45 (4.91%) Mesos
8 43 (4.69%) Nagios
9 35 (3.82%) logstash
10 34 (3.71%) Kibana
11 31 (3.38%) Consul
11 31 (3.38%) Salt
11 31 (3.38%) Sysdig
12 29 (3.17%) HAProxy
13 28 (3.06%) Graphite
14 24 (2.62%) rkt
14 24 (2.62%) ZABBIX
15 20 (2.18%) Docker Swarm
16 19 (2.07%) Host Intrusion Detection System
Vendors
1 86 (9.39%) Splunk
2 82 (8.95%) Red Hat
3 61 (6.66%) Google
4 40 (4.37%) Microsoft
5 39 (4.26%) New Relic
6 38 (4.15%) VMware
7 28 (3.06%) Qualys
8 26 (2.84%) Oracle
9 24 (2.62%) AppDynamics
10 22 (2.40%) SaltStack
11 21 (2.29%) Atlassian
12 15 (1.64%) hybris
13 14 (1.53%) IBM
14 13 (1.42%) Adobe
14 13 (1.42%) PagerDuty
15 11 (1.20%) F5
15 11 (1.20%) Tableau
16 10 (1.09%) Alteryx
16 10 (1.09%) SOASTA, Inc
17 9 (0.98%) Dynatrace