Period
to 20 November 2018

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 20 November 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
Central London > City of London
6 months to
20 Nov 2018
Same period 2017 Same period 2016
Rank 118 106 69
Rank change year-on-year -12 -37 +41
Contract jobs citing Ruby 146 158 236
As % of all contract IT jobs advertised in the City of London 2.07% 2.23% 3.58%
As % of the Programming Languages category 3.82% 4.23% 7.10%
Number of daily rates quoted 117 133 202
City of London median daily rate £550 £550 £500
Median daily rate % change year-on-year - +10.00% +11.11%
10th Percentile £433 £425 £381
90th Percentile £650 £669 £625
Central London median daily rate £550 £550 £500
% change year-on-year - +10.00% +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 3,823 3,733 3,325
As % of all contract IT jobs advertised in the City of London 54.17% 52.64% 50.42%
Number of daily rates quoted 3,190 3,098 2,800
City of London median daily rate £525 £525 £475
Median daily rate % change year-on-year - +10.53% -
10th Percentile £375 £363 £325
90th Percentile £675 £688 £650
Central London median daily rate £525 £513 £475
% change year-on-year +2.44% +7.89% -
Number of hourly rates quoted 8 14 10
City of London median hourly rate £37.09 £22.99 £27.50
Median hourly rate % change year-on-year +61.31% -16.39% +5.42%
10th Percentile £16.10 £15.12 £16.06
90th Percentile £74.46 £39.10 £55.19
Central London median hourly rate £37.09 £24.49 £27.50
% change year-on-year +51.48% -10.96% +5.42%

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 20 November 2018.

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 20 November 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
London Bridge - 2 £535 -
Ruby
Central London

For the 6 months to 20 November 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 City of London region with a requirement for Ruby.

1 107 (73.29%) Python
2 87 (59.59%) DevOps
3 85 (58.22%) Amazon AWS
4 77 (52.74%) Agile Software Development
5 71 (48.63%) Docker
6 52 (35.62%) Jenkins
6 52 (35.62%) Bash Shell
7 45 (30.82%) Linux
8 44 (30.14%) Kubernetes
9 43 (29.45%) Terraform
10 42 (28.77%) Configuration Management
11 40 (27.40%) TDD
11 40 (27.40%) Ansible
12 39 (26.71%) Git (software)
12 39 (26.71%) Continuous Integration
13 38 (26.03%) Java
14 33 (22.60%) Test Automation
15 30 (20.55%) Banking
16 29 (19.86%) Puppet
17 27 (18.49%) Go
18 26 (17.81%) Ruby on Rails
19 25 (17.12%) Node.js
19 25 (17.12%) Continuous Delivery
20 24 (16.44%) Selenium
21 23 (15.75%) BDD
22 22 (15.07%) REST
22 22 (15.07%) Scrum
23 21 (14.38%) JavaScript
23 21 (14.38%) GitHub
23 21 (14.38%) Google Cloud Platform

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 12 (8.22%) Cloud Foundry
2 9 (6.16%) Apache
3 6 (4.11%) Elasticsearch
4 5 (3.42%) Confluence
5 4 (2.74%) Apache Airflow
6 3 (2.05%) Adobe Experience Manager
6 3 (2.05%) Apache Spark
6 3 (2.05%) nginx
7 2 (1.37%) Apache Solr
7 2 (1.37%) Drupal
8 1 (0.68%) BizTalk Server
8 1 (0.68%) IIS
8 1 (0.68%) OpenStack
Cloud Services
1 85 (58.22%) Amazon AWS
2 21 (14.38%) GitHub
2 21 (14.38%) Google Cloud Platform
3 19 (13.01%) Heroku
4 15 (10.27%) Amazon EC2
4 15 (10.27%) Amazon S3
5 14 (9.59%) AWS CloudFormation
6 12 (8.22%) Microsoft Azure
7 11 (7.53%) SaaS
8 10 (6.85%) npm
9 9 (6.16%) IaaS
10 8 (5.48%) IBM Cloud
11 7 (4.79%) PaaS
12 6 (4.11%) Amazon SQS
13 5 (3.42%) Amazon ELB
14 4 (2.74%) Cloud Computing
14 4 (2.74%) Route 53
15 3 (2.05%) OpenShift
15 3 (2.05%) Runscope
16 2 (1.37%) Serverless
Communications & Networking
1 4 (2.74%) DNS
1 4 (2.74%) HTTP
1 4 (2.74%) Junos
1 4 (2.74%) X.509
2 3 (2.05%) Firewall
2 3 (2.05%) SSL
2 3 (2.05%) TCP/IP
3 2 (1.37%) AMQP
3 2 (1.37%) FTP
3 2 (1.37%) Internet
4 1 (0.68%) BGP
4 1 (0.68%) BIG-IP
4 1 (0.68%) Intranet
4 1 (0.68%) IPFIX
4 1 (0.68%) MPLS
4 1 (0.68%) MQTT
4 1 (0.68%) MRTG
4 1 (0.68%) OSPF
4 1 (0.68%) TACACS
4 1 (0.68%) VoIP
Database & Business Intelligence
1 13 (8.90%) MongoDB
1 13 (8.90%) MySQL
2 9 (6.16%) PostgreSQL
2 9 (6.16%) Redis
3 8 (5.48%) NoSQL
4 5 (3.42%) Relational Database
5 4 (2.74%) Amazon DynamoDB
5 4 (2.74%) InfluxDB
6 3 (2.05%) Amazon RDS
6 3 (2.05%) Apache Cassandra
6 3 (2.05%) Big Data
6 3 (2.05%) Blockchain
6 3 (2.05%) MariaDB
7 2 (1.37%) Amazon Redshift
7 2 (1.37%) SQL Server
8 1 (0.68%) Hazelcast
8 1 (0.68%) HBase
8 1 (0.68%) RDBMS
8 1 (0.68%) SQLite
8 1 (0.68%) Sqoop
Development Applications
1 52 (35.62%) Jenkins
2 39 (26.71%) Git (software)
3 24 (16.44%) Selenium
4 15 (10.27%) GitLab
5 12 (8.22%) Gerrit
5 12 (8.22%) Sonatype Nexus
6 11 (7.53%) Ant
6 11 (7.53%) Maven
7 10 (6.85%) SonarQube
8 9 (6.16%) JIRA
9 7 (4.79%) Cucumber
10 6 (4.11%) Vagrant
11 4 (2.74%) Robot Framework
11 4 (2.74%) RSpec
12 3 (2.05%) Capybara
12 3 (2.05%) JUnit
12 3 (2.05%) Mockito
12 3 (2.05%) Subversion
13 2 (1.37%) JMeter
13 2 (1.37%) LoadRunner
General
1 30 (20.55%) Banking
2 17 (11.64%) Finance
3 4 (2.74%) Marketing
4 3 (2.05%) Retail
5 2 (1.37%) Games
5 2 (1.37%) Publishing
5 2 (1.37%) Russian Language
6 1 (0.68%) Financial Institution
Job Titles
1 76 (52.05%) DevOps Engineer
2 32 (21.92%) Developer
3 30 (20.55%) Senior DevOps
3 30 (20.55%) Senior DevOps Engineer
4 18 (12.33%) AWS Engineer
5 15 (10.27%) AWS DevOps
6 14 (9.59%) AWS DevOps Engineer
7 13 (8.90%) Kubernetes Engineer
8 11 (7.53%) Ruby Developer
8 11 (7.53%) Ruby on Rails Developer
9 8 (5.48%) Architect
10 6 (4.11%) Senior Developer
11 5 (3.42%) Cloud Engineer
11 5 (3.42%) Platform Engineer
12 3 (2.05%) AWS Architect
12 3 (2.05%) Blockchain Engineer
12 3 (2.05%) Consultant
12 3 (2.05%) Java Developer
12 3 (2.05%) Senior Java Developer
12 3 (2.05%) Technical Architect
Libraries, Frameworks & Software Standards
1 26 (17.81%) Ruby on Rails
2 25 (17.12%) Node.js
3 22 (15.07%) REST
4 16 (10.96%) JSON
4 16 (10.96%) Web Services
5 13 (8.90%) Elastic Stack
6 11 (7.53%) CSS
7 10 (6.85%) HTML
8 9 (6.16%) RabbitMQ
9 8 (5.48%) OAuth
10 7 (4.79%) Kafka
10 7 (4.79%) OAuth2
10 7 (4.79%) Spring Boot
11 6 (4.11%) RESTful
11 6 (4.11%) Spring
12 5 (3.42%) AngularJS
12 5 (3.42%) React
12 5 (3.42%) Sensu
12 5 (3.42%) YAML
13 4 (2.74%) jQuery
Miscellaneous
1 13 (8.90%) Fintech
2 11 (7.53%) Linux Command Line
3 10 (6.85%) iPad
4 9 (6.16%) Greenfield Project
5 6 (4.11%) Virtual Team
6 4 (2.74%) Data Centre
6 4 (2.74%) Enterprise Cloud
6 4 (2.74%) PKI
7 3 (2.05%) Computer Science
7 3 (2.05%) Mobile App
7 3 (2.05%) User Experience
8 2 (1.37%) Cloud Native
8 2 (1.37%) Clustering
8 2 (1.37%) Credit Risk
8 2 (1.37%) Public Cloud
8 2 (1.37%) Replication
9 1 (0.68%) Algorithms
9 1 (0.68%) Blog
9 1 (0.68%) Enterprise Software
9 1 (0.68%) Video on Demand
Operating Systems
1 45 (30.82%) Linux
2 9 (6.16%) Unix
3 3 (2.05%) Red Hat Enterprise Linux
3 3 (2.05%) Windows
4 2 (1.37%) CentOS
5 1 (0.68%) Apple iOS
5 1 (0.68%) Debian
5 1 (0.68%) Mac OS
5 1 (0.68%) Mac OS X
5 1 (0.68%) Solaris
5 1 (0.68%) SUSE
5 1 (0.68%) SUSE Linux Enterprise Server
5 1 (0.68%) Ubuntu
5 1 (0.68%) Windows Server
Processes & Methodologies
1 87 (59.59%) DevOps
2 77 (52.74%) Agile Software Development
3 42 (28.77%) Configuration Management
4 40 (27.40%) TDD
5 39 (26.71%) Continuous Integration
6 33 (22.60%) Test Automation
7 25 (17.12%) Continuous Delivery
8 23 (15.75%) BDD
9 22 (15.07%) Scrum
10 20 (13.70%) Microservices
11 19 (13.01%) E-Commerce
12 18 (12.33%) Release Management
13 15 (10.27%) Open Source
14 12 (8.22%) Migration
15 11 (7.53%) Deployment Automation
15 11 (7.53%) Software Engineering
16 7 (4.79%) MVC
16 7 (4.79%) Problem-Solving
17 6 (4.11%) User Stories
17 6 (4.11%) Web Development
Programming Languages
1 107 (73.29%) Python
2 52 (35.62%) Bash Shell
3 38 (26.03%) Java
4 27 (18.49%) Go
5 21 (14.38%) JavaScript
6 14 (9.59%) Perl
7 13 (8.90%) Groovy
8 11 (7.53%) Scala
9 7 (4.79%) SQL
10 6 (4.11%) PHP
11 5 (3.42%) PowerShell
12 3 (2.05%) C++
12 3 (2.05%) ES6
12 3 (2.05%) Java 8
13 2 (1.37%) C
13 2 (1.37%) C#
13 2 (1.37%) Shell Script
14 1 (0.68%) Erlang
14 1 (0.68%) ES7
14 1 (0.68%) XPath
Qualifications
1 5 (3.42%) Security Cleared
2 3 (2.05%) Degree
2 3 (2.05%) SC Cleared
3 2 (1.37%) AWS Certification
4 1 (0.68%) Computer Science Degree
4 1 (0.68%) CTC Cleared
Quality Assurance & Compliance
1 6 (4.11%) QA
2 1 (0.68%) Data Quality
2 1 (0.68%) PCI DSS
System Software
1 71 (48.63%) Docker
2 4 (2.74%) VirtualBox
3 2 (1.37%) Active Directory
3 2 (1.37%) VMware Infrastructure
4 1 (0.68%) HDFS
4 1 (0.68%) KVM
4 1 (0.68%) Varnish
4 1 (0.68%) vSphere
Systems Management
1 44 (30.14%) Kubernetes
2 43 (29.45%) Terraform
3 40 (27.40%) Ansible
4 29 (19.86%) Puppet
5 20 (13.70%) Opscode Chef
6 16 (10.96%) Mesos
7 15 (10.27%) Consul
8 13 (8.90%) Packer
9 11 (7.53%) Prometheus
10 10 (6.85%) Grafana
11 7 (4.79%) Nagios
11 7 (4.79%) ZABBIX
12 6 (4.11%) Graphite
13 5 (3.42%) Kibana
13 5 (3.42%) logstash
13 5 (3.42%) Salt
14 4 (2.74%) Docker Swarm
15 3 (2.05%) Pingdom
15 3 (2.05%) Uchiwa
16 2 (1.37%) Suricata
Vendors
1 10 (6.85%) IBM
2 9 (6.16%) New Relic
3 8 (5.48%) Splunk
4 7 (4.79%) Google
5 5 (3.42%) Red Hat
6 4 (2.74%) Juniper
6 4 (2.74%) SaltStack
7 3 (2.05%) Adobe
7 3 (2.05%) Dynatrace
7 3 (2.05%) hybris
7 3 (2.05%) Oracle
7 3 (2.05%) PagerDuty
7 3 (2.05%) VMware
8 2 (1.37%) AppDynamics
8 2 (1.37%) Microsoft
8 2 (1.37%) SOASTA, Inc
9 1 (0.68%) Cisco
9 1 (0.68%) Ericsson
9 1 (0.68%) MuleSoft
9 1 (0.68%) Nokia