Period
to 18 July 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 18 July 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
18 Jul 2018
Same period 2017 Same period 2016
Rank 85 113 68
Rank change year-on-year +28 -45 +55
Contract jobs citing Ruby 204 136 222
As % of all contract IT jobs advertised in the City of London 2.88% 2.11% 3.25%
As % of the Programming Languages category 5.42% 4.20% 6.78%
Number of daily rates quoted 159 112 197
City of London median daily rate £525 £475 £500
Median daily rate % change year-on-year +10.53% -5.00% +11.11%
10th Percentile £425 £313 £381
90th Percentile £652 £613 £638
Central London median daily rate £525 £500 £495
% change year-on-year +5.00% +1.01% +10.00%
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 3,765 3,236 3,274
As % of all contract IT jobs advertised in the City of London 53.16% 50.24% 47.87%
Number of daily rates quoted 3,146 2,610 2,765
City of London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £363 £338 £313
90th Percentile £700 £675 £650
Central London median daily rate £525 £500 £453
% change year-on-year +5.00% +10.50% +0.56%
Number of hourly rates quoted 21 12 9
City of London median hourly rate £21.50 £22.99 £19.00
Median hourly rate % change year-on-year -6.49% +21.01% -24.00%
10th Percentile £12.50 £13.31 £17.83
90th Percentile £38.47 £36.73 £54.60
Central London median hourly rate £21.50 £24.49 £19.00
% change year-on-year -12.19% +28.87% -21.58%

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 18 July 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

For the 6 months to 18 July 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.

1 141 (69.12%) Python
2 128 (62.75%) DevOps
3 117 (57.35%) Amazon AWS
4 107 (52.45%) Docker
5 104 (50.98%) Agile Software Development
6 80 (39.22%) Jenkins
7 78 (38.24%) Git (software)
8 77 (37.75%) Java
9 75 (36.76%) TDD
10 70 (34.31%) Bash Shell
11 66 (32.35%) Kubernetes
12 63 (30.88%) Continuous Integration
13 55 (26.96%) Banking
14 53 (25.98%) Linux
15 52 (25.49%) JavaScript
16 50 (24.51%) Ansible
17 48 (23.53%) Node.js
18 45 (22.06%) Ruby on Rails
19 43 (21.08%) Test Automation
19 43 (21.08%) Sonatype Nexus
20 42 (20.59%) BDD
21 39 (19.12%) Finance
21 39 (19.12%) Mesos
21 39 (19.12%) Cloud Foundry
22 38 (18.63%) E-Commerce
23 37 (18.14%) Heroku
24 34 (16.67%) Puppet
25 33 (16.18%) Microservices
25 33 (16.18%) GitLab
26 32 (15.69%) Maven

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 39 (19.12%) Cloud Foundry
2 20 (9.80%) Apache
3 11 (5.39%) Apache Spark
4 8 (3.92%) nginx
5 4 (1.96%) CMS
5 4 (1.96%) Confluence
6 3 (1.47%) Adobe Experience Manager
6 3 (1.47%) Elasticsearch
6 3 (1.47%) SAS
7 2 (0.98%) Apache Airflow
7 2 (0.98%) IIS
7 2 (0.98%) Sitecore CMS
8 1 (0.49%) BizTalk Server
8 1 (0.49%) Ethereum
8 1 (0.49%) Jetty
8 1 (0.49%) Mongrel
8 1 (0.49%) Tomcat
8 1 (0.49%) WebSphere
Applications
1 9 (4.41%) Microsoft Excel
2 1 (0.49%) HipChat
Business Applications
1 8 (3.92%) Payment Gateway
2 1 (0.49%) Dynamics CRM
Cloud Services
1 117 (57.35%) Amazon AWS
2 37 (18.14%) Heroku
3 30 (14.71%) GitHub
3 30 (14.71%) Microsoft Azure
4 27 (13.24%) Google Cloud Platform
5 24 (11.76%) npm
6 22 (10.78%) PaaS
7 20 (9.80%) IBM Cloud
8 19 (9.31%) IaaS
9 15 (7.35%) Amazon S3
10 14 (6.86%) Amazon EC2
11 11 (5.39%) AWS CloudFormation
12 8 (3.92%) Amazon SQS
12 8 (3.92%) SaaS
13 7 (3.43%) Amazon CloudWatch
14 6 (2.94%) Cloud Computing
15 3 (1.47%) Route 53
15 3 (1.47%) Runscope
16 2 (0.98%) AWS Lambda
16 2 (0.98%) Serverless
Communications & Networking
1 20 (9.80%) DNS
2 16 (7.84%) TCP/IP
3 15 (7.35%) SSL
4 13 (6.37%) HTTP
5 12 (5.88%) Firewall
6 10 (4.90%) FTP
7 3 (1.47%) AMQP
7 3 (1.47%) SMS
8 2 (0.98%) Internet
9 1 (0.49%) BIG-IP
9 1 (0.49%) Cisco ASA
9 1 (0.49%) Intranet
9 1 (0.49%) Wireshark
9 1 (0.49%) X.509
Database & Business Intelligence
1 27 (13.24%) MongoDB
2 24 (11.76%) PostgreSQL
3 23 (11.27%) NoSQL
4 17 (8.33%) Redis
5 16 (7.84%) MySQL
6 5 (2.45%) Amazon DynamoDB
6 5 (2.45%) SQL Server
7 4 (1.96%) Blockchain
7 4 (1.96%) Relational Database
8 3 (1.47%) Amazon Redshift
8 3 (1.47%) InfluxDB
9 2 (0.98%) Apache Cassandra
9 2 (0.98%) CouchDB
10 1 (0.49%) Big Data
10 1 (0.49%) Data Warehouse
10 1 (0.49%) MariaDB
10 1 (0.49%) OpenTSDB
10 1 (0.49%) Parquet
10 1 (0.49%) RDBMS
10 1 (0.49%) SQL Server 2014
Development Applications
1 80 (39.22%) Jenkins
2 78 (38.24%) Git (software)
3 43 (21.08%) Sonatype Nexus
4 33 (16.18%) GitLab
5 32 (15.69%) Maven
6 31 (15.20%) Selenium
7 30 (14.71%) Gerrit
8 27 (13.24%) SonarQube
9 20 (9.80%) Ant
10 16 (7.84%) JIRA
11 14 (6.86%) Cucumber
12 12 (5.88%) IBM UrbanCode
13 8 (3.92%) TeamCity
14 6 (2.94%) RStudio
15 5 (2.45%) Artifactory
15 5 (2.45%) Gradle
15 5 (2.45%) Liquibase
16 3 (1.47%) Appium
16 3 (1.47%) Selendroid
16 3 (1.47%) Subversion
General
1 55 (26.96%) Banking
2 39 (19.12%) Finance
3 6 (2.94%) Front Office
4 5 (2.45%) Investment Banking
5 4 (1.96%) Retail
6 3 (1.47%) Marketing
6 3 (1.47%) Publishing
7 2 (0.98%) Digital Economy
7 2 (0.98%) Games
7 2 (0.98%) Russian Language
8 1 (0.49%) Advertising
8 1 (0.49%) Back Office
Job Titles
1 97 (47.55%) DevOps Engineer
2 60 (29.41%) Developer
3 43 (21.08%) Senior DevOps
3 43 (21.08%) Senior DevOps Engineer
4 38 (18.63%) Kubernetes Engineer
5 26 (12.75%) AWS Engineer
6 23 (11.27%) AWS DevOps
6 23 (11.27%) Ruby Developer
7 18 (8.82%) AWS DevOps Engineer
8 15 (7.35%) Ruby on Rails Developer
9 10 (4.90%) Java Engineer
10 9 (4.41%) Cloud Engineer
10 9 (4.41%) Full Stack Developer
10 9 (4.41%) Senior Developer
11 7 (3.43%) Architect
11 7 (3.43%) Java Developer
12 6 (2.94%) Data Modeller
12 6 (2.94%) Integration Engineer
13 5 (2.45%) .NET Developer
13 5 (2.45%) Software Engineer
Libraries, Frameworks & Software Standards
1 48 (23.53%) Node.js
2 45 (22.06%) Ruby on Rails
3 31 (15.20%) CSS
3 31 (15.20%) HTML
4 29 (14.22%) React
5 24 (11.76%) REST
6 21 (10.29%) AngularJS
7 19 (9.31%) RESTful
8 17 (8.33%) JSON
9 16 (7.84%) RabbitMQ
10 15 (7.35%) Web Services
11 14 (6.86%) HTML5
12 12 (5.88%) Spring
13 11 (5.39%) OAuth
13 11 (5.39%) OAuth2
14 10 (4.90%) Elastic Stack
14 10 (4.90%) Kafka
14 10 (4.90%) SOAP
15 8 (3.92%) .NET
16 5 (2.45%) XML
Miscellaneous
1 27 (13.24%) iPad
2 23 (11.27%) Fintech
3 17 (8.33%) Greenfield Project
4 14 (6.86%) Virtual Team
5 12 (5.88%) Linux Command Line
6 10 (4.90%) Credit Risk
7 9 (4.41%) Computer Science
8 6 (2.94%) Cloud Native
9 5 (2.45%) Mobile App
10 4 (1.96%) Public Cloud
11 3 (1.47%) Client/Server
11 3 (1.47%) Enterprise Cloud
11 3 (1.47%) PDA
11 3 (1.47%) User Experience
12 1 (0.49%) Algorithms
12 1 (0.49%) Bitcoin
12 1 (0.49%) Data Centre
12 1 (0.49%) PKI
12 1 (0.49%) Private Cloud
12 1 (0.49%) Video\Live Streaming
Operating Systems
1 53 (25.98%) Linux
2 21 (10.29%) Unix
3 10 (4.90%) Mac OS X
4 5 (2.45%) Windows
5 4 (1.96%) Android
6 3 (1.47%) CentOS
7 2 (0.98%) Debian
7 2 (0.98%) Ubuntu
8 1 (0.49%) Apple iOS
8 1 (0.49%) Mac OS
8 1 (0.49%) Red Hat Enterprise Linux
8 1 (0.49%) Solaris
8 1 (0.49%) SUSE
8 1 (0.49%) SUSE Linux Enterprise Server
8 1 (0.49%) Windows Server
Processes & Methodologies
1 128 (62.75%) DevOps
2 104 (50.98%) Agile Software Development
3 75 (36.76%) TDD
4 63 (30.88%) Continuous Integration
5 43 (21.08%) Test Automation
6 42 (20.59%) BDD
7 38 (18.63%) E-Commerce
8 33 (16.18%) Microservices
9 30 (14.71%) Configuration Management
10 29 (14.22%) Continuous Delivery
10 29 (14.22%) Scrum
11 22 (10.78%) Deployment Automation
12 21 (10.29%) Release Management
13 20 (9.80%) MVC
14 18 (8.82%) Open Source
15 12 (5.88%) Mentoring
16 10 (4.90%) Analytics
16 10 (4.90%) Functional Programming
16 10 (4.90%) Parallel Computing
16 10 (4.90%) Parallel Processing
Programming Languages
1 141 (69.12%) Python
2 77 (37.75%) Java
3 70 (34.31%) Bash Shell
4 52 (25.49%) JavaScript
5 30 (14.71%) Groovy
6 28 (13.73%) Go
7 24 (11.76%) C#
8 15 (7.35%) C++
9 13 (6.37%) Java 8
9 13 (6.37%) Perl
9 13 (6.37%) SQL
10 10 (4.90%) ES6
11 8 (3.92%) C
11 8 (3.92%) PHP
11 8 (3.92%) R
12 7 (3.43%) Scala
13 6 (2.94%) VBA
14 3 (1.47%) Shell Script
15 2 (0.98%) PowerShell
16 1 (0.49%) F#
Qualifications
1 8 (3.92%) Degree
1 8 (3.92%) Security Cleared
2 5 (2.45%) SC Cleared
3 3 (1.47%) Numerate Degree
4 1 (0.49%) AWS Certification
4 1 (0.49%) Computer Science Degree
4 1 (0.49%) DV Cleared
4 1 (0.49%) ITIL Certification
4 1 (0.49%) PhD
Quality Assurance & Compliance
1 24 (11.76%) GCP
2 9 (4.41%) QA
System Software
1 107 (52.45%) Docker
2 2 (0.98%) VMware Infrastructure
3 1 (0.49%) Active Directory
3 1 (0.49%) Gluster
3 1 (0.49%) iptables
3 1 (0.49%) NFS
3 1 (0.49%) Virtual Machines
3 1 (0.49%) VirtualBox
3 1 (0.49%) Xen
Systems Management
1 66 (32.35%) Kubernetes
2 50 (24.51%) Ansible
3 39 (19.12%) Mesos
4 34 (16.67%) Puppet
5 31 (15.20%) Terraform
6 24 (11.76%) Opscode Chef
7 20 (9.80%) Consul
8 11 (5.39%) Marathon
9 9 (4.41%) Grafana
10 8 (3.92%) Kibana
11 7 (3.43%) Packer
12 6 (2.94%) Docker Swarm
12 6 (2.94%) Prometheus
13 5 (2.45%) logstash
13 5 (2.45%) Rancher
13 5 (2.45%) ZABBIX
14 4 (1.96%) HAProxy
14 4 (1.96%) Nagios
15 3 (1.47%) Graphite
15 3 (1.47%) Salt
Vendors
1 19 (9.31%) IBM
2 14 (6.86%) New Relic
3 8 (3.92%) Splunk
4 7 (3.43%) Rollbar
5 6 (2.94%) AppDynamics
5 6 (2.94%) Bloomberg
5 6 (2.94%) Calypso
5 6 (2.94%) Google
5 6 (2.94%) Red Hat
5 6 (2.94%) Reuters
6 4 (1.96%) hybris
6 4 (1.96%) Microsoft
6 4 (1.96%) Oracle
6 4 (1.96%) VMware
7 3 (1.47%) Adobe
7 3 (1.47%) Dynatrace
8 2 (0.98%) PagerDuty
8 2 (0.98%) Perforce
8 2 (0.98%) Sitecore
9 1 (0.49%) Rackspace