The following table provides summary statistics for permanent job vacancies advertised in Croydon with a requirement for Ruby skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Ruby over the 3 months to 29 June 2017 with a comparison to the same period in the previous 2 years.

Ruby
London > Croydon
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 30 40 -
Rank change year-on-year +10 -  
Permanent jobs citing Ruby 7 3 0
As % of all permanent IT jobs advertised in Croydon 3.83% 1.24% -
As % of the Programming Languages category 8.24% 2.40% -
Number of salaries quoted 6 2 0
Croydon median annual salary £52,500 £51,250 -
Median salary % change year-on-year +2.43% -  
London median annual salary £60,000 £60,000 £55,000
% change year-on-year - +9.09%  

Ruby is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Croydon with a requirement for programming language skills.

Programming Language Skills
Croydon
Permanent job vacancies with a requirement for programming language skills 85 125 107
As % of all permanent IT job vacancies advertised in Croydon 46.45% 51.65% 56.32%
Number of salaries quoted 122 229 201
Croydon median annual salary £53,750 £50,000 £45,000
Median salary % change year-on-year +7.50% +11.11%  
10th Percentile £35,125 £26,250 £31,500
90th Percentile £75,000 £58,750 £61,250
London median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.34% +4.54%  

Ruby
Job Vacancy Trend in Croydon

Job postings citing Ruby as a percentage of all IT jobs advertised in Croydon.

Job vacancy trend for Ruby in Croydon

Ruby
Salary Trend in Croydon

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Ruby in Croydon.

Salary trend for Ruby in Croydon

Ruby
Salary Histogram in Croydon

The salary distribution of IT jobs citing Ruby in Croydon over the 3 months to 29 June 2017.

Salary histogram for Ruby in Croydon

For the 6 months to 29 June 2017, IT jobs citing Ruby also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Croydon region with a requirement for Ruby.

1 19 (90.48%) Git (software)
2 16 (76.19%) RESTful
2 16 (76.19%) BDD
2 16 (76.19%) JavaScript
2 16 (76.19%) TDD
3 15 (71.43%) MVC
3 15 (71.43%) C#
3 15 (71.43%) .NET
3 15 (71.43%) SQL Server
3 15 (71.43%) ASP.NET
3 15 (71.43%) ASP.NET MVC
3 15 (71.43%) NoSQL
3 15 (71.43%) Entity Framework
3 15 (71.43%) Node.js
3 15 (71.43%) High Availability
3 15 (71.43%) KnockoutJS
3 15 (71.43%) Web Application Development
3 15 (71.43%) Music Industry
3 15 (71.43%) .NET Framework
3 15 (71.43%) WCF
3 15 (71.43%) Twitter Bootstrap
3 15 (71.43%) ASP.NET Web API
3 15 (71.43%) AngularJS
3 15 (71.43%) SQL Server 2014
3 15 (71.43%) ASP.NET MVC 5
3 15 (71.43%) Code First Entity Framework
4 6 (28.57%) Jenkins
4 6 (28.57%) Python
5 5 (23.81%) Linux
5 5 (23.81%) Puppet

Ruby
Co-occurring IT Skills in Croydon 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 1 (4.76%) Tomcat
Cloud Services
1 3 (14.29%) Amazon AWS
2 2 (9.52%) AWS CloudFormation
Communications & Networking
1 2 (9.52%) LDAP
Database & Business Intelligence
1 15 (71.43%) NoSQL
1 15 (71.43%) SQL Server
1 15 (71.43%) SQL Server 2014
2 1 (4.76%) PostgreSQL
Development Applications
1 19 (90.48%) Git (software)
2 6 (28.57%) Jenkins
3 3 (14.29%) SonarQube
4 2 (9.52%) Atlassian Bamboo
5 1 (4.76%) Ant
5 1 (4.76%) DbUnit
5 1 (4.76%) jMock
5 1 (4.76%) JUnit
5 1 (4.76%) Maven
5 1 (4.76%) Mockito
General
1 15 (71.43%) Music Industry
2 2 (9.52%) Finance
2 2 (9.52%) Marketing
3 1 (4.76%) Advertising
Job Titles
1 16 (76.19%) Developer
2 15 (71.43%) .NET Developer
3 3 (14.29%) DevOps Engineer
4 2 (9.52%) Platform Engineer
5 1 (4.76%) Automation Engineer
5 1 (4.76%) Java Developer
5 1 (4.76%) Lead DevOps
5 1 (4.76%) Lead DevOps Engineer
5 1 (4.76%) PostgreSQL Developer
5 1 (4.76%) Systems Engineer
5 1 (4.76%) Technical Leader
5 1 (4.76%) Unix Engineer
5 1 (4.76%) Unix Scripter
5 1 (4.76%) Unix Scripting Engineer
5 1 (4.76%) Unix Systems Engineer
Libraries, Frameworks & Software Standards
1 16 (76.19%) RESTful
2 15 (71.43%) .NET
2 15 (71.43%) .NET Framework
2 15 (71.43%) AngularJS
2 15 (71.43%) ASP.NET
2 15 (71.43%) ASP.NET MVC
2 15 (71.43%) ASP.NET MVC 5
2 15 (71.43%) ASP.NET Web API
2 15 (71.43%) Code First Entity Framework
2 15 (71.43%) Entity Framework
2 15 (71.43%) KnockoutJS
2 15 (71.43%) Node.js
2 15 (71.43%) Twitter Bootstrap
2 15 (71.43%) WCF
3 2 (9.52%) YAML
4 1 (4.76%) CSS
4 1 (4.76%) HTML
4 1 (4.76%) J2EE
4 1 (4.76%) REST
4 1 (4.76%) Spring
Miscellaneous
1 2 (9.52%) Linux Command Line
Operating Systems
1 5 (23.81%) Linux
2 2 (9.52%) AIX
2 2 (9.52%) Red Hat Enterprise Linux
2 2 (9.52%) Solaris
2 2 (9.52%) Unix
Processes & Methodologies
1 16 (76.19%) BDD
1 16 (76.19%) TDD
2 15 (71.43%) High Availability
2 15 (71.43%) MVC
2 15 (71.43%) Web Application Development
3 4 (19.05%) Open Source
4 3 (14.29%) Configuration Management
4 3 (14.29%) DevOps
4 3 (14.29%) E-Commerce
5 2 (9.52%) Content Management
5 2 (9.52%) Digital Marketing
5 2 (9.52%) Protective Monitoring
5 2 (9.52%) Software Engineering
6 1 (4.76%) Agile Software Development
6 1 (4.76%) Continuous Integration
6 1 (4.76%) Front End Development
6 1 (4.76%) Kanban
6 1 (4.76%) Microservices
6 1 (4.76%) OO
6 1 (4.76%) Scrum
Programming Languages
1 16 (76.19%) JavaScript
2 15 (71.43%) C#
3 6 (28.57%) Python
4 3 (14.29%) Go
5 2 (9.52%) Perl
5 2 (9.52%) PHP
6 1 (4.76%) Bash Shell
6 1 (4.76%) Groovy
6 1 (4.76%) Java
6 1 (4.76%) Scala
System Software
1 3 (14.29%) Docker
2 2 (9.52%) etcd
2 2 (9.52%) flannel
2 2 (9.52%) NFS
Systems Management
1 5 (23.81%) Ansible
1 5 (23.81%) Puppet
2 3 (14.29%) Opscode Chef
2 3 (14.29%) Terraform
3 2 (9.52%) Consul
3 2 (9.52%) Kubernetes
3 2 (9.52%) Salt
3 2 (9.52%) Sysdig
4 1 (4.76%) rkt
Vendors
1 1 (4.76%) Red Hat