Period
to 29 September 2020

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 29 September 2020 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
29 Sep 2020
Same period 2019 Same period 2018
Rank 93 107 102
Rank change year-on-year +14 -5 +20
Contract jobs citing Ruby 29 136 184
As % of all contract jobs advertised in the City of London 1.61% 2.23% 2.65%
As % of the Programming Languages category 3.33% 4.50% 4.94%
Number of daily rates quoted 28 114 146
Median daily rate £506 £550 £525
Median daily rate % change year-on-year -7.95% +4.76% +0.96%
10th Percentile £425 £433 £413
90th Percentile £638 £734 £628
Central London median daily rate £525 £550 £525
% change year-on-year -4.55% +4.76% -
Number of hourly rates quoted 0 0 2
Median hourly rate - - £13.75
Central London median hourly rate - - £13.75

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 871 3,021 3,728
As % of all contract IT jobs advertised in the City of London 48.44% 49.57% 53.73%
Number of daily rates quoted 630 2,457 3,120
Median daily rate £525 £525 £525
10th Percentile £363 £400 £375
90th Percentile £689 £676 £688
Central London median daily rate £525 £525 £525
Number of hourly rates quoted 10 14 13
Median hourly rate £35.00 £22.42 £22.00
Median hourly rate % change year-on-year +56.15% +1.89% +2.33%
10th Percentile £21.08 £21.00 £12.65
90th Percentile £41.65 £54.23 £58.44
Median hourly rate £35.00 £22.50 £22.00
% change year-on-year +55.56% +2.27% +2.33%

Ruby
Job Vacancy Trend in the City of London

Job postings citing Ruby as a proportion 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

3-month moving average daily rate quoted in jobs citing Ruby in the City of London.

Daily rate trend for Ruby in the City of London

Ruby
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Ruby in the City of London over the 6 months to 29 September 2020.

Daily rate histogram for Ruby in the City of London

Ruby
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Ruby in the City of London.

Hourly rate trend for Ruby in the City of London

For the 6 months to 29 September 2020, 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 17 (58.62%) Python
2 14 (48.28%) AWS
3 11 (37.93%) Ansible
3 11 (37.93%) DevOps
3 11 (37.93%) Linux
4 10 (34.48%) Git (software)
5 9 (31.03%) Puppet
5 9 (31.03%) Docker
5 9 (31.03%) Perl
5 9 (31.03%) Kubernetes
6 8 (27.59%) Ruby on Rails
6 8 (27.59%) Opscode Chef
6 8 (27.59%) Bash Shell
7 7 (24.14%) Jenkins
7 7 (24.14%) Agile Software Development
7 7 (24.14%) TDD
8 6 (20.69%) Configuration Management
8 6 (20.69%) SaltStack
8 6 (20.69%) Azure
9 5 (17.24%) Go
9 5 (17.24%) Cybersecurity
9 5 (17.24%) Atlassian
9 5 (17.24%) Firewall
9 5 (17.24%) Terraform
9 5 (17.24%) Greenfield Project
9 5 (17.24%) Security Monitoring
9 5 (17.24%) Site Reliability Engineering
9 5 (17.24%) Log Correlation
9 5 (17.24%) Amazon Cognito
10 4 (13.79%) Infrastructure as Code

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 2 (6.90%) Apache
1 2 (6.90%) Apache Spark
1 2 (6.90%) Tomcat
2 1 (3.45%) Apache Solr
2 1 (3.45%) Cloud Foundry
2 1 (3.45%) Elasticsearch
2 1 (3.45%) JBoss
2 1 (3.45%) Liferay
2 1 (3.45%) nginx
Cloud Services
1 14 (48.28%) AWS
2 6 (20.69%) Azure
3 5 (17.24%) Amazon Cognito
4 4 (13.79%) GCP
4 4 (13.79%) Serverless
5 3 (10.34%) Cloud Computing
5 3 (10.34%) GitHub
5 3 (10.34%) IaaS
6 2 (6.90%) Amazon S3
6 2 (6.90%) CloudFront
6 2 (6.90%) Datadog
6 2 (6.90%) Route 53
7 1 (3.45%) Amazon CloudWatch
7 1 (3.45%) Amazon EC2
7 1 (3.45%) Amazon ElastiCache
7 1 (3.45%) AWS Elastic Beanstalk
7 1 (3.45%) AWS Lambda
7 1 (3.45%) PaaS
7 1 (3.45%) SaaS
7 1 (3.45%) Virtual Private Cloud
Communications & Networking
1 5 (17.24%) Firewall
2 4 (13.79%) Internet
3 3 (10.34%) DNS
4 2 (6.90%) DHCP
5 1 (3.45%) HTTP
5 1 (3.45%) SAN
5 1 (3.45%) SMTP
5 1 (3.45%) SNMP
5 1 (3.45%) WAN
Database & Business Intelligence
1 4 (13.79%) MySQL
2 3 (10.34%) Big Data
3 2 (6.90%) MongoDB
3 2 (6.90%) PostgreSQL
3 2 (6.90%) SQL Server
4 1 (3.45%) Amazon RDS
4 1 (3.45%) Amazon Redshift
4 1 (3.45%) Hadoop
4 1 (3.45%) NoSQL
4 1 (3.45%) Redis
Development Applications
1 10 (34.48%) Git (software)
2 7 (24.14%) Jenkins
3 4 (13.79%) GoCD
3 4 (13.79%) Octopus Deploy
4 1 (3.45%) Bitbucket
4 1 (3.45%) JIRA
General
1 1 (3.45%) Finance
1 1 (3.45%) Telecoms
Job Titles
1 10 (34.48%) Developer
2 6 (20.69%) Ruby Developer
3 5 (17.24%) Site Reliability Engineer
4 4 (13.79%) AWS Engineer
4 4 (13.79%) Site Engineer
5 3 (10.34%) Cloud Engineer
5 3 (10.34%) CloudOps Engineer
5 3 (10.34%) DevOps Engineer
5 3 (10.34%) Operations Engineer
5 3 (10.34%) Ruby on Rails Developer
6 2 (6.90%) AWS DevOps
6 2 (6.90%) Linux Engineer
6 2 (6.90%) Python Engineer
6 2 (6.90%) React Developer
6 2 (6.90%) Ruby Engineer
6 2 (6.90%) Systems Engineer
7 1 (3.45%) Consultant
7 1 (3.45%) Database Engineer
7 1 (3.45%) Security Engineer
7 1 (3.45%) Technical Architect
Libraries, Frameworks & Software Standards
1 8 (27.59%) Ruby on Rails
2 3 (10.34%) Node.js
3 2 (6.90%) CSS
3 2 (6.90%) HTML
3 2 (6.90%) LAMP
3 2 (6.90%) RESTful
3 2 (6.90%) Web Services
4 1 (3.45%) Express
4 1 (3.45%) HTML5
4 1 (3.45%) Kafka
4 1 (3.45%) LDAP
4 1 (3.45%) LEMP Stack
4 1 (3.45%) React
4 1 (3.45%) Redux
Miscellaneous
1 5 (17.24%) Greenfield Project
2 4 (13.79%) Management Information System
3 3 (10.34%) Analytical Mindset
3 3 (10.34%) Analytical Skills
4 2 (6.90%) Clustering
5 1 (3.45%) Data Centre
5 1 (3.45%) Linux Command Line
Operating Systems
1 11 (37.93%) Linux
2 4 (13.79%) Unix
3 1 (3.45%) CentOS
3 1 (3.45%) Debian
3 1 (3.45%) Mac OS
3 1 (3.45%) Red Hat Enterprise Linux
Processes & Methodologies
1 11 (37.93%) DevOps
2 7 (24.14%) Agile Software Development
2 7 (24.14%) TDD
3 6 (20.69%) Configuration Management
4 5 (17.24%) Cybersecurity
4 5 (17.24%) Log Correlation
4 5 (17.24%) Security Monitoring
4 5 (17.24%) Site Reliability Engineering
5 4 (13.79%) Data Protection
5 4 (13.79%) Information Security
5 4 (13.79%) Infrastructure as Code
5 4 (13.79%) Microservices
5 4 (13.79%) Open Source
5 4 (13.79%) Secure Coding
5 4 (13.79%) SIEM
5 4 (13.79%) Vulnerability Management
6 3 (10.34%) Actionable Insight
6 3 (10.34%) Continuous Integration
6 3 (10.34%) High Availability
6 3 (10.34%) Use Case
Programming Languages
1 17 (58.62%) Python
2 9 (31.03%) Perl
3 8 (27.59%) Bash Shell
4 5 (17.24%) Go
5 4 (13.79%) Java
5 4 (13.79%) SQL
6 3 (10.34%) C#
6 3 (10.34%) JavaScript
7 2 (6.90%) C
7 2 (6.90%) Scala
8 1 (3.45%) C++
8 1 (3.45%) ES6
8 1 (3.45%) ES7
8 1 (3.45%) PowerShell
Qualifications
1 4 (13.79%) Security Cleared
2 3 (10.34%) BPSS Clearance
2 3 (10.34%) DBS Check
2 3 (10.34%) SC Cleared
System Software
1 9 (31.03%) Docker
2 2 (6.90%) Veritas Cluster Server
3 1 (3.45%) Apache ZooKeeper
3 1 (3.45%) HDFS
3 1 (3.45%) VMware Infrastructure
Systems Management
1 11 (37.93%) Ansible
2 9 (31.03%) Kubernetes
2 9 (31.03%) Puppet
3 8 (27.59%) Opscode Chef
4 5 (17.24%) Terraform
5 4 (13.79%) Rundeck
6 2 (6.90%) Nagios
6 2 (6.90%) Pacemaker
6 2 (6.90%) Salt
Vendors
1 6 (20.69%) SaltStack
2 5 (17.24%) Atlassian
3 3 (10.34%) Google
4 2 (6.90%) Oracle
4 2 (6.90%) Splunk
4 2 (6.90%) Veritas
5 1 (3.45%) CA
5 1 (3.45%) New Relic
5 1 (3.45%) Red Hat
5 1 (3.45%) Remedy
5 1 (3.45%) Sybase
5 1 (3.45%) VMware