Period
to 21 February 2019

The following table provides summary statistics for contract job vacancies advertised in the City of 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 February 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
Central London > City of London
6 months to
21 Feb 2019
Same period 2018 Same period 2017
Rank 143 90 100
Rank change year-on-year -53 +10 +2
Contract jobs citing Ruby 114 195 146
As % of all contract IT jobs advertised in the City of London 1.68% 2.75% 2.37%
As % of the Programming Languages category 3.17% 5.16% 4.72%
Number of daily rates quoted 90 167 122
City of London median daily rate £575 £550 £475
Median daily rate % change year-on-year +4.55% +15.79% +5.56%
10th Percentile £456 £463 £313
90th Percentile £639 £691 £625
Central London median daily rate £550 £544 £500
% change year-on-year +1.15% +8.75% +11.11%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

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 the City of London with a requirement for coding skills.

All Programming Languages
City of London
Contract vacancies with a requirement for coding skills 3,600 3,777 3,090
As % of all contract IT jobs advertised in the City of London 52.93% 53.21% 50.11%
Number of daily rates quoted 2,975 3,215 2,596
City of London median daily rate £525 £525 £488
Median daily rate % change year-on-year - +7.69% +2.63%
10th Percentile £400 £363 £325
90th Percentile £675 £700 £663
Central London median daily rate £525 £513 £475
% change year-on-year +2.44% +7.89% -
Number of hourly rates quoted 6 14 8
City of London median hourly rate £37.09 £21.50 £27.50
Median hourly rate % change year-on-year +72.51% -21.82% -1.72%
10th Percentile £18.32 £17.50 £16.90
90th Percentile £39.64 £61.73 £50.31
Central London median hourly rate £37.09 £21.50 £27.50
% change year-on-year +72.51% -21.82% -1.72%

Ruby
Job Vacancy Trend in the City of London

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

Job vacancy trend for Ruby in the City of London

Ruby
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Ruby in the City of London

Ruby
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Ruby in the City of London over the 6 months to 21 February 2019.

Contractor daily rate histogram for Ruby in the City of London

Ruby
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for Ruby in the City of London

Ruby
Contract Job Locations in the City of 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 City of London region over the 6 months to 21 February 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
London Bridge - 2 £535 -
Ruby
Central London

For the 6 months to 21 February 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 City of London region with a requirement for Ruby.

1 77 (67.54%) Python
2 51 (44.74%) Agile Software Development
3 49 (42.98%) DevOps
4 43 (37.72%) Docker
4 43 (37.72%) Amazon AWS
5 33 (28.95%) Test Automation
5 33 (28.95%) Linux
6 30 (26.32%) Java
6 30 (26.32%) Ansible
7 28 (24.56%) Configuration Management
8 27 (23.68%) Bash Shell
9 25 (21.93%) Jenkins
9 25 (21.93%) Terraform
10 23 (20.18%) JavaScript
10 23 (20.18%) Ruby on Rails
11 21 (18.42%) Microservices
12 20 (17.54%) Git (software)
12 20 (17.54%) Continuous Integration
13 19 (16.67%) Puppet
13 19 (16.67%) Kubernetes
14 17 (14.91%) Go
14 17 (14.91%) Node.js
15 16 (14.04%) Perl
16 15 (13.16%) REST
17 14 (12.28%) Scala
17 14 (12.28%) Microsoft Azure
18 13 (11.40%) Selenium
18 13 (11.40%) TDD
19 12 (10.53%) Opscode Chef
19 12 (10.53%) Banking

Ruby
Co-occurring IT Skills in the City of 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 7 (6.14%) nginx
2 5 (4.39%) Cloud Foundry
2 5 (4.39%) Elasticsearch
3 3 (2.63%) Apache
3 3 (2.63%) Apache Solr
3 3 (2.63%) Confluence
4 2 (1.75%) CMS
4 2 (1.75%) Drupal
5 1 (0.88%) Adobe Experience Manager
5 1 (0.88%) Apache Airflow
5 1 (0.88%) Apache Pig
5 1 (0.88%) Apache Spark
5 1 (0.88%) IIS
5 1 (0.88%) JBoss
5 1 (0.88%) Sitecore CMS
5 1 (0.88%) Tomcat
5 1 (0.88%) WebLogic
5 1 (0.88%) WordPress
Cloud Services
1 43 (37.72%) Amazon AWS
2 14 (12.28%) Microsoft Azure
3 12 (10.53%) GitHub
4 8 (7.02%) AWS CloudFormation
5 7 (6.14%) Google Cloud Platform
6 6 (5.26%) Amazon EC2
7 5 (4.39%) Amazon S3
7 5 (4.39%) Cloud Computing
7 5 (4.39%) IaaS
7 5 (4.39%) SaaS
8 3 (2.63%) Route 53
8 3 (2.63%) Serverless
8 3 (2.63%) Slack
8 3 (2.63%) Trello
9 2 (1.75%) Amazon ElastiCache
9 2 (1.75%) Heroku
9 2 (1.75%) OpenShift
9 2 (1.75%) PaaS
9 2 (1.75%) Quay.io
10 1 (0.88%) Amazon SQS
Communications & Networking
1 4 (3.51%) Junos
2 3 (2.63%) SSL
2 3 (2.63%) X.509
3 2 (1.75%) HTTP
3 2 (1.75%) Internet
4 1 (0.88%) BGP
4 1 (0.88%) DHCP
4 1 (0.88%) DNS
4 1 (0.88%) Ethernet
4 1 (0.88%) Firewall
4 1 (0.88%) FTP
4 1 (0.88%) LAN
4 1 (0.88%) MPLS
4 1 (0.88%) OSPF
4 1 (0.88%) SNMP
4 1 (0.88%) TACACS
4 1 (0.88%) TCP/IP
4 1 (0.88%) VoIP
4 1 (0.88%) VPN
4 1 (0.88%) WAN
Database & Business Intelligence
1 10 (8.77%) NoSQL
1 10 (8.77%) PostgreSQL
2 7 (6.14%) Redis
3 6 (5.26%) MySQL
4 5 (4.39%) MongoDB
5 4 (3.51%) Apache Cassandra
5 4 (3.51%) Relational Database
6 2 (1.75%) Apache Hive
6 2 (1.75%) Big Data
6 2 (1.75%) Blockchain
6 2 (1.75%) Hadoop
6 2 (1.75%) HBase
6 2 (1.75%) RDBMS
7 1 (0.88%) Amazon Athena
7 1 (0.88%) Amazon DynamoDB
7 1 (0.88%) Data Warehouse
7 1 (0.88%) Hazelcast
7 1 (0.88%) SQL Server
7 1 (0.88%) SQLite
7 1 (0.88%) Sqoop
Development Applications
1 25 (21.93%) Jenkins
2 20 (17.54%) Git (software)
3 13 (11.40%) Selenium
4 7 (6.14%) GitLab
4 7 (6.14%) Vagrant
5 6 (5.26%) JIRA
6 4 (3.51%) Cucumber
6 4 (3.51%) Robot Framework
7 3 (2.63%) Artifactory
7 3 (2.63%) Gatling
7 3 (2.63%) GoCD
8 2 (1.75%) Ant
8 2 (1.75%) JMeter
8 2 (1.75%) LoadRunner
8 2 (1.75%) NeoLoad
8 2 (1.75%) Octopus Deploy
8 2 (1.75%) Subversion
8 2 (1.75%) TeamCity
9 1 (0.88%) Eclipse
9 1 (0.88%) JUnit
General
1 12 (10.53%) Banking
2 8 (7.02%) Finance
3 3 (2.63%) Law
4 2 (1.75%) Advertising
4 2 (1.75%) Retail
5 1 (0.88%) Games
5 1 (0.88%) Publishing
Job Titles
1 33 (28.95%) DevOps Engineer
2 31 (27.19%) Developer
3 15 (13.16%) Ruby Developer
3 15 (13.16%) Senior DevOps
4 13 (11.40%) Senior DevOps Engineer
5 11 (9.65%) Architect
6 8 (7.02%) AWS DevOps
7 7 (6.14%) AWS Engineer
7 7 (6.14%) Senior Developer
8 6 (5.26%) AWS DevOps Engineer
8 6 (5.26%) Technical Architect
9 5 (4.39%) Ruby on Rails Developer
9 5 (4.39%) Senior Architect
9 5 (4.39%) Tester
10 4 (3.51%) Senior Ruby Developer
11 3 (2.63%) Cloud Engineer
11 3 (2.63%) Front End Developer (Client-Side Developer)
11 3 (2.63%) Penetration Tester
11 3 (2.63%) Platform Engineer
11 3 (2.63%) React Developer
Libraries, Frameworks & Software Standards
1 23 (20.18%) Ruby on Rails
2 17 (14.91%) Node.js
3 15 (13.16%) REST
4 11 (9.65%) CSS
4 11 (9.65%) HTML
5 10 (8.77%) Web Services
6 9 (7.89%) Elastic Stack
6 9 (7.89%) JSON
7 8 (7.02%) RabbitMQ
8 7 (6.14%) AngularJS
9 6 (5.26%) Kafka
9 6 (5.26%) React
9 6 (5.26%) RESTful
9 6 (5.26%) Spring
10 5 (4.39%) OAuth
10 5 (4.39%) OAuth2
11 4 (3.51%) Django
11 4 (3.51%) HTML5
11 4 (3.51%) OpenID
12 3 (2.63%) jQuery
Miscellaneous
1 9 (7.89%) Fintech
2 7 (6.14%) Data Centre
3 6 (5.26%) Greenfield Project
4 4 (3.51%) Linux Command Line
5 3 (2.63%) PKI
5 3 (2.63%) User Experience
6 2 (1.75%) Enterprise Software
6 2 (1.75%) Public Cloud
7 1 (0.88%) Algorithms
7 1 (0.88%) BBC
7 1 (0.88%) Blog
7 1 (0.88%) Client/Server
7 1 (0.88%) Cyberthreat
7 1 (0.88%) Internet of Things
7 1 (0.88%) Management Information System
7 1 (0.88%) Marketing Technology
7 1 (0.88%) Smart Home
7 1 (0.88%) Smartphone
7 1 (0.88%) Virtual Team
Operating Systems
1 33 (28.95%) Linux
2 12 (10.53%) Unix
3 6 (5.26%) Red Hat Enterprise Linux
3 6 (5.26%) Windows
4 4 (3.51%) CentOS
5 3 (2.63%) Ubuntu
6 2 (1.75%) CoreOS
7 1 (0.88%) Amazon Linux
7 1 (0.88%) Apple iOS
7 1 (0.88%) Debian
7 1 (0.88%) Kali Linux
7 1 (0.88%) Mac OS
7 1 (0.88%) Mac OS X
7 1 (0.88%) Windows Server
Processes & Methodologies
1 51 (44.74%) Agile Software Development
2 49 (42.98%) DevOps
3 33 (28.95%) Test Automation
4 28 (24.56%) Configuration Management
5 21 (18.42%) Microservices
6 20 (17.54%) Continuous Integration
7 13 (11.40%) TDD
8 12 (10.53%) Open Source
9 11 (9.65%) Continuous Delivery
9 11 (9.65%) Deployment Automation
9 11 (9.65%) Web Development
10 10 (8.77%) Problem-Solving
11 9 (7.89%) Continuous Deployment
11 9 (7.89%) Migration
11 9 (7.89%) Release Management
12 8 (7.02%) BDD
13 7 (6.14%) E-Commerce
13 7 (6.14%) Mentoring
14 6 (5.26%) Front End Development
14 6 (5.26%) Penetration Testing
Programming Languages
1 77 (67.54%) Python
2 30 (26.32%) Java
3 27 (23.68%) Bash Shell
4 23 (20.18%) JavaScript
5 17 (14.91%) Go
6 16 (14.04%) Perl
7 14 (12.28%) Scala
8 9 (7.89%) PHP
9 8 (7.02%) SQL
10 6 (5.26%) PowerShell
11 4 (3.51%) C++
11 4 (3.51%) Groovy
12 3 (2.63%) TypeScript
13 2 (1.75%) C
13 2 (1.75%) C#
13 2 (1.75%) ES6
13 2 (1.75%) Java 8
13 2 (1.75%) Shell Script
14 1 (0.88%) ES7
14 1 (0.88%) XPath
Qualifications
1 8 (7.02%) Security Cleared
2 5 (4.39%) SC Cleared
3 3 (2.63%) BPSS Clearance
4 2 (1.75%) AWS Certification
4 2 (1.75%) DBS Check
4 2 (1.75%) DV Cleared
5 1 (0.88%) CEH
5 1 (0.88%) CHECK Team Member
5 1 (0.88%) CREST Certified
5 1 (0.88%) CTC Cleared
Quality Assurance & Compliance
1 4 (3.51%) QA
2 2 (1.75%) HIPAA
2 2 (1.75%) Sarbanes-Oxley
3 1 (0.88%) Data Quality
3 1 (0.88%) PCI DSS
System Software
1 43 (37.72%) Docker
2 4 (3.51%) VirtualBox
3 3 (2.63%) Active Directory
3 3 (2.63%) Varnish
4 2 (1.75%) Ceph
4 2 (1.75%) etcd
4 2 (1.75%) flannel
4 2 (1.75%) GlusterFS
4 2 (1.75%) HDFS
4 2 (1.75%) SkyDNS
5 1 (0.88%) Apache Flume
5 1 (0.88%) KVM
5 1 (0.88%) VMware Infrastructure
5 1 (0.88%) vSphere
Systems Management
1 30 (26.32%) Ansible
2 25 (21.93%) Terraform
3 19 (16.67%) Kubernetes
3 19 (16.67%) Puppet
4 12 (10.53%) Opscode Chef
5 9 (7.89%) Grafana
5 9 (7.89%) Prometheus
6 7 (6.14%) Graphite
7 6 (5.26%) Packer
8 5 (4.39%) HAProxy
8 5 (4.39%) Kibana
9 4 (3.51%) Consul
9 4 (3.51%) Mesos
10 3 (2.63%) collectd
10 3 (2.63%) logstash
10 3 (2.63%) StatsD
11 2 (1.75%) Docker Swarm
11 2 (1.75%) Fluentd
11 2 (1.75%) Salt
11 2 (1.75%) ZABBIX
Vendors
1 6 (5.26%) SaltStack
2 5 (4.39%) New Relic
3 4 (3.51%) Google
3 4 (3.51%) Juniper
3 4 (3.51%) Splunk
4 2 (1.75%) Adobe
4 2 (1.75%) AppDynamics
4 2 (1.75%) Atlassian
4 2 (1.75%) PagerDuty
4 2 (1.75%) Red Hat
4 2 (1.75%) SOASTA, Inc
5 1 (0.88%) Apple
5 1 (0.88%) Cisco
5 1 (0.88%) Ericsson
5 1 (0.88%) MuleSoft
5 1 (0.88%) Okta
5 1 (0.88%) Oracle
5 1 (0.88%) Perforce
5 1 (0.88%) VMware
5 1 (0.88%) webMethods