Period
to 21 September 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 21 September 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
21 Sep 2018
Same period 2017 Same period 2016
Rank 93 118 57
Rank change year-on-year +25 -61 +52
Contract jobs citing Ruby 193 139 257
As % of all contract IT jobs advertised in the City of London 2.76% 2.05% 3.78%
As % of the Programming Languages category 5.14% 3.99% 7.75%
Number of daily rates quoted 151 112 219
City of London median daily rate £525 £519 £500
Median daily rate % change year-on-year +1.20% +3.75% +11.11%
10th Percentile £413 £370 £388
90th Percentile £625 £613 £628
Central London median daily rate £525 £525 £500
% change year-on-year - +5.00% +7.53%
Number of hourly rates quoted 3 0 0
City of London median hourly rate £13.00 - -
Central London median hourly rate £13.00 - -

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 the City of London with a requirement for coding skills.

All Programming Languages
City of London
Contract vacancies with a requirement for coding skills 3,755 3,485 3,315
As % of all contract IT jobs advertised in the City of London 53.73% 51.33% 48.74%
Number of daily rates quoted 3,138 2,818 2,802
City of London median daily rate £525 £513 £475
Median daily rate % change year-on-year +2.44% +7.89% +2.70%
10th Percentile £375 £363 £313
90th Percentile £688 £675 £645
Central London median daily rate £525 £500 £450
% change year-on-year +5.00% +11.11% -
Number of hourly rates quoted 14 9 13
City of London median hourly rate £22.00 £21.50 £27.50
Median hourly rate % change year-on-year +2.33% -21.82% +10.00%
10th Percentile £12.50 £12.74 £17.00
90th Percentile £54.88 £32.30 £56.49
Central London median hourly rate £22.00 £21.50 £27.50
% change year-on-year +2.33% -21.82% +10.00%

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 September 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 21 September 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 -31 2 £535 -
Ruby
Central London

For the 6 months to 21 September 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.

1 128 (66.32%) Python
2 115 (59.59%) DevOps
3 114 (59.07%) Amazon AWS
4 106 (54.92%) Agile Software Development
5 102 (52.85%) Docker
6 74 (38.34%) TDD
7 71 (36.79%) Jenkins
8 70 (36.27%) Git (software)
9 66 (34.20%) Bash Shell
10 59 (30.57%) Linux
11 58 (30.05%) Kubernetes
12 56 (29.02%) Java
13 48 (24.87%) Test Automation
13 48 (24.87%) Banking
14 46 (23.83%) Ruby on Rails
14 46 (23.83%) Continuous Integration
15 44 (22.80%) Ansible
16 42 (21.76%) Terraform
16 42 (21.76%) BDD
17 41 (21.24%) Heroku
18 40 (20.73%) Configuration Management
19 35 (18.13%) Mesos
19 35 (18.13%) Microservices
19 35 (18.13%) GitLab
20 34 (17.62%) REST
21 33 (17.10%) JavaScript
22 32 (16.58%) Puppet
22 32 (16.58%) GitHub
23 31 (16.06%) Node.js
23 31 (16.06%) 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 25 (12.95%) Cloud Foundry
2 20 (10.36%) Apache
3 11 (5.70%) Apache Spark
4 6 (3.11%) Elasticsearch
5 5 (2.59%) nginx
6 4 (2.07%) Apache Airflow
6 4 (2.07%) Confluence
7 3 (1.55%) Adobe Experience Manager
7 3 (1.55%) IIS
7 3 (1.55%) SAS
8 2 (1.04%) Apache Solr
8 2 (1.04%) CMS
9 1 (0.52%) BizTalk Server
9 1 (0.52%) Jetty
9 1 (0.52%) Mongrel
9 1 (0.52%) OpenStack
9 1 (0.52%) Sitecore CMS
9 1 (0.52%) Tomcat
9 1 (0.52%) WebSphere
Applications
1 6 (3.11%) Microsoft Excel
Business Applications
1 1 (0.52%) Dynamics CRM
Cloud Services
1 114 (59.07%) Amazon AWS
2 41 (21.24%) Heroku
3 32 (16.58%) GitHub
4 31 (16.06%) Google Cloud Platform
5 21 (10.88%) Microsoft Azure
6 20 (10.36%) npm
7 19 (9.84%) IBM Cloud
8 18 (9.33%) Amazon EC2
8 18 (9.33%) Amazon S3
9 17 (8.81%) IaaS
10 12 (6.22%) AWS CloudFormation
11 11 (5.70%) Amazon SQS
11 11 (5.70%) PaaS
12 9 (4.66%) SaaS
13 7 (3.63%) Amazon CloudWatch
14 5 (2.59%) Amazon ELB
15 3 (1.55%) Runscope
16 2 (1.04%) Amazon EMR
16 2 (1.04%) OpenShift
16 2 (1.04%) Route 53
Communications & Networking
1 15 (7.77%) DNS
2 13 (6.74%) HTTP
3 12 (6.22%) SSL
3 12 (6.22%) TCP/IP
4 10 (5.18%) FTP
5 5 (2.59%) AMQP
5 5 (2.59%) Firewall
6 4 (2.07%) Junos
7 2 (1.04%) Internet
7 2 (1.04%) X.509
8 1 (0.52%) BGP
8 1 (0.52%) Intranet
8 1 (0.52%) MPLS
8 1 (0.52%) MQTT
8 1 (0.52%) MRTG
8 1 (0.52%) OSPF
8 1 (0.52%) SNMP
8 1 (0.52%) TACACS
8 1 (0.52%) VoIP
8 1 (0.52%) VPN
Database & Business Intelligence
1 28 (14.51%) MongoDB
2 25 (12.95%) PostgreSQL
3 20 (10.36%) Redis
4 18 (9.33%) MySQL
5 17 (8.81%) NoSQL
6 8 (4.15%) Relational Database
7 5 (2.59%) SQL Server
8 4 (2.07%) Amazon DynamoDB
8 4 (2.07%) Apache Cassandra
8 4 (2.07%) InfluxDB
9 3 (1.55%) Blockchain
9 3 (1.55%) MariaDB
10 2 (1.04%) Amazon RDS
10 2 (1.04%) Amazon Redshift
10 2 (1.04%) Big Data
10 2 (1.04%) CouchDB
11 1 (0.52%) Data Warehouse
11 1 (0.52%) Hazelcast
11 1 (0.52%) SQL Server 2014
11 1 (0.52%) SQLite
Development Applications
1 71 (36.79%) Jenkins
2 70 (36.27%) Git (software)
3 35 (18.13%) GitLab
4 30 (15.54%) Selenium
5 25 (12.95%) Sonatype Nexus
6 24 (12.44%) Maven
7 21 (10.88%) Ant
7 21 (10.88%) Gerrit
8 20 (10.36%) SonarQube
9 11 (5.70%) JIRA
10 7 (3.63%) Cucumber
11 6 (3.11%) Vagrant
12 4 (2.07%) Robot Framework
12 4 (2.07%) RSpec
12 4 (2.07%) Subversion
13 3 (1.55%) Gradle
13 3 (1.55%) JUnit
13 3 (1.55%) Mockito
13 3 (1.55%) RStudio
13 3 (1.55%) TeamCity
General
1 48 (24.87%) Banking
2 29 (15.03%) Finance
3 4 (2.07%) Marketing
3 4 (2.07%) Retail
4 3 (1.55%) Front Office
5 2 (1.04%) Games
5 2 (1.04%) Russian Language
6 1 (0.52%) Advertising
6 1 (0.52%) Back Office
6 1 (0.52%) Financial Institution
6 1 (0.52%) Publishing
Job Titles
1 94 (48.70%) DevOps Engineer
2 55 (28.50%) Developer
3 43 (22.28%) Senior DevOps
3 43 (22.28%) Senior DevOps Engineer
4 28 (14.51%) Kubernetes Engineer
5 24 (12.44%) AWS Engineer
6 23 (11.92%) Ruby Developer
7 18 (9.33%) Ruby on Rails Developer
8 17 (8.81%) AWS DevOps
8 17 (8.81%) AWS DevOps Engineer
9 8 (4.15%) Full Stack Developer
9 8 (4.15%) Senior Developer
10 7 (3.63%) Architect
11 6 (3.11%) Cloud Engineer
12 4 (2.07%) Angular Developer
12 4 (2.07%) Java Engineer
12 4 (2.07%) Platform Engineer
12 4 (2.07%) SC Cleared Software Engineer
12 4 (2.07%) Senior Software Engineer
12 4 (2.07%) Technical Architect
Libraries, Frameworks & Software Standards
1 46 (23.83%) Ruby on Rails
2 34 (17.62%) REST
3 31 (16.06%) Node.js
4 23 (11.92%) JSON
5 19 (9.84%) CSS
5 19 (9.84%) RabbitMQ
6 18 (9.33%) HTML
7 17 (8.81%) AngularJS
8 15 (7.77%) Web Services
9 14 (7.25%) HTML5
9 14 (7.25%) OAuth
10 13 (6.74%) Kafka
10 13 (6.74%) OAuth2
10 13 (6.74%) React
11 12 (6.22%) Elastic Stack
11 12 (6.22%) RESTful
12 11 (5.70%) SOAP
13 7 (3.63%) XML
14 6 (3.11%) Spring Boot
15 5 (2.59%) Sensu
Miscellaneous
1 23 (11.92%) Fintech
2 20 (10.36%) iPad
3 15 (7.77%) Virtual Team
4 12 (6.22%) Greenfield Project
4 12 (6.22%) Linux Command Line
5 10 (5.18%) Credit Risk
6 9 (4.66%) Computer Science
7 5 (2.59%) Cloud Native
8 4 (2.07%) Enterprise Cloud
8 4 (2.07%) Mobile App
9 3 (1.55%) Data Centre
9 3 (1.55%) User Experience
10 2 (1.04%) Clustering
10 2 (1.04%) PKI
10 2 (1.04%) Replication
11 1 (0.52%) Algorithms
11 1 (0.52%) BBC
11 1 (0.52%) Client/Server
11 1 (0.52%) Marketing Technology
11 1 (0.52%) Video\Live Streaming
Operating Systems
1 59 (30.57%) Linux
2 12 (6.22%) Unix
3 4 (2.07%) Windows
4 3 (1.55%) Mac OS X
5 2 (1.04%) CentOS
5 2 (1.04%) Debian
5 2 (1.04%) Ubuntu
6 1 (0.52%) Mac OS
6 1 (0.52%) Solaris
6 1 (0.52%) SUSE
6 1 (0.52%) SUSE Linux Enterprise Server
6 1 (0.52%) Windows Server
Processes & Methodologies
1 115 (59.59%) DevOps
2 106 (54.92%) Agile Software Development
3 74 (38.34%) TDD
4 48 (24.87%) Test Automation
5 46 (23.83%) Continuous Integration
6 42 (21.76%) BDD
7 40 (20.73%) Configuration Management
8 35 (18.13%) Microservices
9 31 (16.06%) Scrum
10 28 (14.51%) E-Commerce
11 24 (12.44%) Continuous Delivery
11 24 (12.44%) Release Management
12 15 (7.77%) MVC
13 14 (7.25%) Deployment Automation
13 14 (7.25%) Migration
14 13 (6.74%) Open Source
14 13 (6.74%) Software Engineering
15 10 (5.18%) OWASP
15 10 (5.18%) Parallel Computing
15 10 (5.18%) Parallel Processing
Programming Languages
1 128 (66.32%) Python
2 66 (34.20%) Bash Shell
3 56 (29.02%) Java
4 33 (17.10%) JavaScript
5 28 (14.51%) Go
6 22 (11.40%) Groovy
7 16 (8.29%) Perl
8 12 (6.22%) SQL
9 11 (5.70%) Java 8
10 10 (5.18%) ES6
11 9 (4.66%) C#
12 7 (3.63%) C
12 7 (3.63%) PHP
12 7 (3.63%) Scala
13 6 (3.11%) C++
14 4 (2.07%) PowerShell
14 4 (2.07%) R
14 4 (2.07%) Shell Script
15 3 (1.55%) VBA
16 1 (0.52%) XPath
Qualifications
1 9 (4.66%) Degree
2 7 (3.63%) Security Cleared
3 6 (3.11%) SC Cleared
4 3 (1.55%) Numerate Degree
5 1 (0.52%) Computer Science Degree
5 1 (0.52%) DV Cleared
Quality Assurance & Compliance
1 26 (13.47%) GCP
2 8 (4.15%) QA
3 1 (0.52%) PCI DSS
System Software
1 102 (52.85%) Docker
2 4 (2.07%) VirtualBox
3 3 (1.55%) VMware Infrastructure
4 2 (1.04%) Active Directory
5 1 (0.52%) Gluster
5 1 (0.52%) iptables
5 1 (0.52%) KVM
5 1 (0.52%) NFS
5 1 (0.52%) vSphere
5 1 (0.52%) Xen
Systems Management
1 58 (30.05%) Kubernetes
2 44 (22.80%) Ansible
3 42 (21.76%) Terraform
4 35 (18.13%) Mesos
5 32 (16.58%) Puppet
6 23 (11.92%) Consul
7 19 (9.84%) Opscode Chef
8 11 (5.70%) Packer
8 11 (5.70%) Prometheus
9 10 (5.18%) Grafana
9 10 (5.18%) Marathon
10 8 (4.15%) Nagios
11 7 (3.63%) ZABBIX
12 6 (3.11%) Kibana
13 5 (2.59%) Graphite
13 5 (2.59%) logstash
13 5 (2.59%) Salt
14 4 (2.07%) Docker Swarm
15 3 (1.55%) Rancher
15 3 (1.55%) Uchiwa
Vendors
1 20 (10.36%) IBM
2 15 (7.77%) New Relic
3 8 (4.15%) Google
4 7 (3.63%) Oracle
4 7 (3.63%) Rollbar
4 7 (3.63%) Splunk
5 5 (2.59%) Microsoft
5 5 (2.59%) Red Hat
5 5 (2.59%) VMware
6 4 (2.07%) Juniper
7 3 (1.55%) Adobe
7 3 (1.55%) AppDynamics
7 3 (1.55%) Bloomberg
7 3 (1.55%) Calypso
7 3 (1.55%) Dynatrace
7 3 (1.55%) hybris
7 3 (1.55%) PagerDuty
7 3 (1.55%) Reuters
8 2 (1.04%) SaltStack
8 2 (1.04%) SOASTA, Inc