Period
to 28 May 2020

The following table provides summary statistics for contract job vacancies advertised in Central 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 28 May 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
London > Central London
6 months to
28 May 2020
Same period 2019 Same period 2018
Rank 83 137 95
Rank change year-on-year +54 -42 +13
Contract jobs citing Ruby 92 156 258
As % of all contract jobs advertised in Central London 2.43% 1.85% 2.83%
As % of the Programming Languages category 5.01% 3.60% 5.40%
Number of daily rates quoted 80 136 203
Median daily rate £550 £525 £525
Median daily rate % change year-on-year +4.76% - +7.69%
10th Percentile £413 £453 £425
90th Percentile £650 £675 £675
London median daily rate £550 £550 £525
% change year-on-year - +4.76% +5.00%
Number of hourly rates quoted 0 1 3
Median hourly rate - £70.00 £13.00
Median hourly rate % change year-on-year - +438.46% -
London median hourly rate - £70.00 £33.50
% change year-on-year - +108.96% -16.25%

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 Central London with a requirement for coding skills.

All Programming Languages
Central London
Contract vacancies with a requirement for coding skills 1,836 4,339 4,782
As % of all contract IT jobs advertised in Central London 48.52% 51.57% 52.45%
Number of daily rates quoted 1,370 3,477 3,955
Median daily rate £525 £525 £513
Median daily rate % change year-on-year - +2.44% +5.13%
10th Percentile £375 £392 £363
90th Percentile £675 £675 £675
London median daily rate £525 £525 £500
% change year-on-year - +5.00% +4.17%
Number of hourly rates quoted 21 22 24
Median hourly rate £35.00 £35.00 £21.50
Median hourly rate % change year-on-year - +62.79% -24.15%
10th Percentile £24.50 £21.00 £12.90
90th Percentile £56.50 £60.33 £66.00
Median hourly rate £35.00 £36.00 £42.02
% change year-on-year -2.78% -14.32% -1.14%

Ruby
Job Vacancy Trend in Central London

Job postings citing Ruby as a proportion of all IT jobs advertised in Central London.

Job vacancy trend for Ruby in Central London

Ruby
Contractor Daily Rate Trend in Central London

3-month moving average daily rate quoted in jobs citing Ruby in Central London.

Daily rate trend for Ruby in Central London

Ruby
Daily Rate Histogram in Central London

Daily rate distribution for jobs citing Ruby in Central London over the 6 months to 28 May 2020.

Daily rate histogram for Ruby in Central London

Ruby
Contractor Hourly Rate Trend in Central London

3-month moving average hourly rates quoted in jobs citing Ruby in Central London.

Hourly rate trend for Ruby in Central London

Ruby
Contract Job Locations in Central 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 Central London region over the 6 months to 28 May 2020. 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
City of London +53 71 £488 -7.14% 20
City of Westminster +23 7 £595 +8.18%
West End of London +22 3 £575 +19.79%
Ruby
London

For the 6 months to 28 May 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 Central London region with a requirement for Ruby.

1 48 (52.17%) JavaScript
2 40 (43.48%) DevOps
3 39 (42.39%) Agile Software Development
4 38 (41.30%) Python
5 35 (38.04%) Ruby on Rails
5 35 (38.04%) AWS
6 25 (27.17%) Terraform
7 23 (25.00%) Go
7 23 (25.00%) Kubernetes
7 23 (25.00%) PostgreSQL
7 23 (25.00%) Java
8 22 (23.91%) TDD
9 19 (20.65%) Infrastructure as Code
10 18 (19.57%) Continuous Integration
10 18 (19.57%) HTML
10 18 (19.57%) CSS
11 17 (18.48%) Linux
11 17 (18.48%) Git (software)
11 17 (18.48%) GitHub
12 15 (16.30%) Docker
13 13 (14.13%) Jenkins
13 13 (14.13%) Greenfield Project
14 12 (13.04%) GCP
14 12 (13.04%) NoSQL
15 11 (11.96%) Bash Shell
15 11 (11.96%) Continuous Delivery
15 11 (11.96%) Web Services
15 11 (11.96%) Serverless
16 10 (10.87%) PHP
16 10 (10.87%) SQL

Ruby
Co-occurring IT Skills in Central 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 5 (5.43%) Elasticsearch
1 5 (5.43%) WebSphere
2 2 (2.17%) Apache Spark
2 2 (2.17%) Confluence
3 1 (1.09%) Apache Solr
3 1 (1.09%) Cloud Foundry
3 1 (1.09%) CMS
3 1 (1.09%) nginx
3 1 (1.09%) SharePoint
3 1 (1.09%) Tomcat
Business Applications
1 1 (1.09%) Dynamics CRM
1 1 (1.09%) Dynamics NAV
1 1 (1.09%) Magento
Cloud Services
1 35 (38.04%) AWS
2 17 (18.48%) GitHub
3 12 (13.04%) GCP
4 11 (11.96%) Serverless
5 8 (8.70%) AWS Lambda
6 7 (7.61%) PaaS
7 6 (6.52%) AWS CloudFormation
8 5 (5.43%) Azure
8 5 (5.43%) Route 53
9 4 (4.35%) Amazon EKS
9 4 (4.35%) Amazon SQS
10 3 (3.26%) Amazon Kinesis
10 3 (3.26%) IaaS
10 3 (3.26%) SaaS
11 2 (2.17%) Amazon CloudWatch
11 2 (2.17%) Azure Functions
11 2 (2.17%) OpenShift
12 1 (1.09%) Amazon ECS
12 1 (1.09%) AWS CodePipeline
12 1 (1.09%) Dynamics 365
Communications & Networking
1 7 (7.61%) DNS
1 7 (7.61%) HTTP
2 6 (6.52%) Firewall
2 6 (6.52%) TCP/IP
3 4 (4.35%) SSL
4 3 (3.26%) Internet
5 2 (2.17%) OpenVPN
6 1 (1.09%) DHCP
6 1 (1.09%) MPLS
6 1 (1.09%) Skype
6 1 (1.09%) Software-Defined Networking
6 1 (1.09%) WAN
Database & Business Intelligence
1 23 (25.00%) PostgreSQL
2 12 (13.04%) NoSQL
3 10 (10.87%) Redis
4 7 (7.61%) Big Data
4 7 (7.61%) MySQL
4 7 (7.61%) SQL Server
5 6 (6.52%) Data Warehouse
6 4 (4.35%) MongoDB
6 4 (4.35%) Relational Database
7 3 (3.26%) Amazon DynamoDB
8 2 (2.17%) Hadoop
9 1 (1.09%) Amazon Aurora
9 1 (1.09%) RDBMS
Development Applications
1 17 (18.48%) Git (software)
2 13 (14.13%) Jenkins
3 10 (10.87%) RSpec
4 8 (8.70%) JIRA
5 7 (7.61%) Travis CI
6 4 (4.35%) Atlassian Bamboo
7 3 (3.26%) TeamCity
8 2 (2.17%) CircleCI
8 2 (2.17%) minitest
9 1 (1.09%) Cucumber
9 1 (1.09%) Octopus Deploy
9 1 (1.09%) Team Foundation Server
9 1 (1.09%) Visual Studio Team System
General
1 6 (6.52%) Marketing
2 5 (5.43%) Advertising
2 5 (5.43%) Public Sector
3 3 (3.26%) Telecoms
4 2 (2.17%) Finance
4 2 (2.17%) Legal
4 2 (2.17%) Manufacturing
4 2 (2.17%) Retail
Job Titles
1 47 (51.09%) Developer
2 21 (22.83%) Ruby Developer
3 17 (18.48%) Ruby on Rails Developer
4 12 (13.04%) Platform Engineer
5 10 (10.87%) DevOps Engineer
6 7 (7.61%) AWS DevOps
6 7 (7.61%) Senior Developer
7 6 (6.52%) Architect
7 6 (6.52%) AWS DevOps Engineer
7 6 (6.52%) AWS Engineer
7 6 (6.52%) Site Reliability Engineer
8 5 (5.43%) Consultant
8 5 (5.43%) Python Engineer
8 5 (5.43%) Site Engineer
9 4 (4.35%) Cloud Engineer
9 4 (4.35%) Front End Developer (Client-Side Developer)
9 4 (4.35%) Senior Ruby Developer
9 4 (4.35%) Splunk Consultant
9 4 (4.35%) Technical Architect
10 3 (3.26%) Senior Architect
Libraries, Frameworks & Software Standards
1 35 (38.04%) Ruby on Rails
2 18 (19.57%) CSS
2 18 (19.57%) HTML
3 11 (11.96%) Web Services
4 8 (8.70%) Redux
5 6 (6.52%) Elastic Stack
6 5 (5.43%) JSON
6 5 (5.43%) XML
7 4 (4.35%) Node.js
7 4 (4.35%) Regular Expression
7 4 (4.35%) RESTful
8 3 (3.26%) Express
8 3 (3.26%) Kafka
9 2 (2.17%) GraphQL
9 2 (2.17%) HTML5
9 2 (2.17%) iOS SDK
9 2 (2.17%) LAMP
9 2 (2.17%) REST
9 2 (2.17%) RxJS
9 2 (2.17%) YAML
Miscellaneous
1 13 (14.13%) Greenfield Project
2 10 (10.87%) Analytical Skills
3 4 (4.35%) BYOD
4 3 (3.26%) Management Information System
5 2 (2.17%) Cloud Native
5 2 (2.17%) Marketing Technology
5 2 (2.17%) Public Cloud
5 2 (2.17%) Taxonomies
6 1 (1.09%) Algorithms
6 1 (1.09%) Clustering
6 1 (1.09%) e-Learning
6 1 (1.09%) PKI
6 1 (1.09%) User Experience
Operating Systems
1 17 (18.48%) Linux
2 4 (4.35%) Windows
3 3 (3.26%) Apple iOS
3 3 (3.26%) Unix
4 2 (2.17%) Windows Server
5 1 (1.09%) Android
Processes & Methodologies
1 40 (43.48%) DevOps
2 39 (42.39%) Agile Software Development
3 22 (23.91%) TDD
4 19 (20.65%) Infrastructure as Code
5 18 (19.57%) Continuous Integration
6 11 (11.96%) Continuous Delivery
7 10 (10.87%) Microservices
8 9 (9.78%) Open Source
9 8 (8.70%) Front End Development
10 7 (7.61%) Configuration Management
10 7 (7.61%) Continuous Deployment
11 6 (6.52%) Business Intelligence
11 6 (6.52%) Dashboard Development
11 6 (6.52%) Non-Functional Testing
11 6 (6.52%) Site Reliability Engineering
11 6 (6.52%) Test Automation
12 5 (5.43%) Data Modelling
12 5 (5.43%) High Availability
12 5 (5.43%) Scrum
12 5 (5.43%) Task Automation
Programming Languages
1 48 (52.17%) JavaScript
2 38 (41.30%) Python
3 23 (25.00%) Go
3 23 (25.00%) Java
4 11 (11.96%) Bash Shell
5 10 (10.87%) PHP
5 10 (10.87%) Scala
5 10 (10.87%) SQL
6 9 (9.78%) Groovy
7 4 (4.35%) Perl
7 4 (4.35%) PowerShell
8 3 (3.26%) C#
9 2 (2.17%) Apple Swift
9 2 (2.17%) Kotlin
9 2 (2.17%) Shell Script
10 1 (1.09%) C
10 1 (1.09%) C++
10 1 (1.09%) Objective-C
10 1 (1.09%) T-SQL
10 1 (1.09%) VB.NET
Qualifications
1 6 (6.52%) Security Cleared
2 4 (4.35%) BC Cleared
3 1 (1.09%) BPSS Clearance
3 1 (1.09%) CHECK Team Member
3 1 (1.09%) Degree
3 1 (1.09%) Postgraduate
3 1 (1.09%) SC Cleared
Quality Assurance & Compliance
1 2 (2.17%) QA
2 1 (1.09%) NCSC
System Software
1 15 (16.30%) Docker
2 2 (2.17%) Apache Flume
2 2 (2.17%) HDFS
3 1 (1.09%) Apache ZooKeeper
3 1 (1.09%) Veritas Cluster Server
Systems Management
1 25 (27.17%) Terraform
2 23 (25.00%) Kubernetes
3 10 (10.87%) Puppet
4 9 (9.78%) Ansible
5 8 (8.70%) Opscode Chef
6 4 (4.35%) CFEngine
6 4 (4.35%) HP SiteScope
6 4 (4.35%) Nagios
6 4 (4.35%) Prometheus
6 4 (4.35%) SCCM
7 3 (3.26%) Salt
8 2 (2.17%) Docker Swarm
9 1 (1.09%) Pacemaker
Vendors
1 10 (10.87%) Google
2 9 (9.78%) Splunk
3 7 (7.61%) Microsoft
4 5 (5.43%) Facebook
5 4 (4.35%) PeopleSoft
6 3 (3.26%) Lets Encrypt
6 3 (3.26%) Oracle
7 2 (2.17%) Atlassian
7 2 (2.17%) New Relic
7 2 (2.17%) Remedy
7 2 (2.17%) Salesforce.com
7 2 (2.17%) TOWER Software
8 1 (1.09%) Adyen
8 1 (1.09%) Netezza
8 1 (1.09%) PayPal
8 1 (1.09%) Salesforce Marketing Cloud
8 1 (1.09%) SaltStack
8 1 (1.09%) Sybase
8 1 (1.09%) Veritas