Period
to 22 November 2017

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire 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 22 November 2017 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
East of England > Hertfordshire
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 72 62 100
Rank change year-on-year -10 +38 -9
Contract jobs citing Ruby 30 32 3
As % of all contract IT jobs advertised in Hertfordshire 1.90% 2.29% 0.19%
As % of the Programming Languages category 4.91% 6.20% 0.54%
Number of daily rates quoted 20 11 1
Hertfordshire median daily rate £450 £450 £475
Median daily rate % change year-on-year - -5.26% +18.75%
10th Percentile £388 £313 £463
90th Percentile £578 £500 £488
East of England median daily rate £450 £450 £400
% change year-on-year - +12.50% +3.23%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate - - £40.00

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 Hertfordshire with a requirement for coding skills.

All Programming Languages
Hertfordshire
Contract vacancies with a requirement for coding skills 611 516 554
As % of all contract IT jobs advertised in Hertfordshire 38.67% 36.88% 34.73%
Number of daily rates quoted 317 298 264
Hertfordshire median daily rate £420 £390 £375
Median daily rate % change year-on-year +7.69% +4.00% +7.14%
10th Percentile £285 £232 £253
90th Percentile £588 £538 £509
East of England median daily rate £400 £375 £375
% change year-on-year +6.67% - +3.45%
Number of hourly rates quoted 23 30 32
Hertfordshire median hourly rate £17.50 £49.75 £35.00
Median hourly rate % change year-on-year -64.82% +42.14% +75.00%
10th Percentile £13.80 £36.83 £13.68
90th Percentile £43.75 £53.95 £43.63
East of England median hourly rate £40.25 £40.00 £37.50
% change year-on-year +0.63% +6.67% +1.35%

Ruby
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for Ruby in Hertfordshire

Ruby
Contractor Daily Rate Trend in Hertfordshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Ruby in Hertfordshire.

Contractor daily rate trend for Ruby in Hertfordshire

Ruby
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Ruby in Hertfordshire over the 6 months to 22 November 2017.

Contractor daily rate histogram for Ruby in Hertfordshire

Ruby
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Ruby within the Hertfordshire region over the 6 months to 22 November 2017. 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
Watford -1 19 £425 +6.25% 3
Stevenage - 2 - -
Welwyn Garden City +2 1 £525 +61.54%
St Albans -4 1 £463 - 1
Hemel Hempstead - 1 £450 - 4
Hatfield - 1 £550 - 1
Ruby
East of England

For the 6 months to 22 November 2017, IT contractor jobs citing Ruby also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Hertfordshire region with a requirement for Ruby.

1 23 (76.67%) Agile Software Development
2 19 (63.33%) Ruby on Rails
3 17 (56.67%) Ansible
4 15 (50.00%) React
5 13 (43.33%) Redis
5 13 (43.33%) PostgreSQL
6 10 (33.33%) Linux
6 10 (33.33%) Python
7 9 (30.00%) JavaScript
7 9 (30.00%) TDD
7 9 (30.00%) Pair Programming
7 9 (30.00%) Amazon AWS
8 8 (26.67%) Open Source
8 8 (26.67%) DevOps
8 8 (26.67%) Opscode Chef
8 8 (26.67%) HTML
8 8 (26.67%) CSS
9 7 (23.33%) JSON
9 7 (23.33%) Finance
9 7 (23.33%) Docker
9 7 (23.33%) HTML5
9 7 (23.33%) CSS3
9 7 (23.33%) Puppet
9 7 (23.33%) Greenfield Project
10 6 (20.00%) BDD
11 5 (16.67%) SaaS
11 5 (16.67%) Kubernetes
11 5 (16.67%) webpack
11 5 (16.67%) MVC
11 5 (16.67%) Java

Ruby
Co-occurring IT Skills in Hertfordshire 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 3 (10.00%) Apache
2 2 (6.67%) IIS
2 2 (6.67%) OpenStack
3 1 (3.33%) Cloud Foundry
Business Applications
1 1 (3.33%) Magento
Cloud Services
1 9 (30.00%) Amazon AWS
2 5 (16.67%) SaaS
3 3 (10.00%) Amazon S3
3 3 (10.00%) AWS CloudFormation
3 3 (10.00%) Microsoft Azure
3 3 (10.00%) Route 53
4 2 (6.67%) Amazon CloudWatch
4 2 (6.67%) Amazon EC2
4 2 (6.67%) Amazon ElastiCache
4 2 (6.67%) AWS Lambda
4 2 (6.67%) PaaS
4 2 (6.67%) Serverless
4 2 (6.67%) Virtual Private Cloud
5 1 (3.33%) Amazon SQS
Communications & Networking
1 1 (3.33%) Firewall
Database & Business Intelligence
1 13 (43.33%) PostgreSQL
1 13 (43.33%) Redis
2 5 (16.67%) MySQL
3 3 (10.00%) MongoDB
4 2 (6.67%) Amazon RDS
4 2 (6.67%) NoSQL
4 2 (6.67%) Oracle Database
5 1 (3.33%) Apache Cassandra
5 1 (3.33%) DB2
5 1 (3.33%) Relational Database
Development Applications
1 5 (16.67%) webpack
2 4 (13.33%) Bitbucket
2 4 (13.33%) Jenkins
3 1 (3.33%) Ant
3 1 (3.33%) Atlassian Bamboo
3 1 (3.33%) Git (software)
3 1 (3.33%) GitLab
3 1 (3.33%) Maven
3 1 (3.33%) RSpec
3 1 (3.33%) Subversion
General
1 7 (23.33%) Finance
2 2 (6.67%) Back Office
2 2 (6.67%) Front Office
2 2 (6.67%) Retail
3 1 (3.33%) Telecoms
Job Titles
1 22 (73.33%) Developer
2 11 (36.67%) Ruby Developer
3 10 (33.33%) Ruby on Rails Developer
4 5 (16.67%) Front End Developer (Client-Side Developer)
5 4 (13.33%) Senior Developer
6 3 (10.00%) AWS DevOps
6 3 (10.00%) DevOps Engineer
6 3 (10.00%) JavaScript Developer
6 3 (10.00%) Senior Ruby Developer
6 3 (10.00%) Web Developer
7 2 (6.67%) AWS DevOps Engineer
7 2 (6.67%) AWS Engineer
7 2 (6.67%) Cloud Engineer
7 2 (6.67%) Senior Ruby on Rails Developer
8 1 (3.33%) Agile Java Developer
8 1 (3.33%) AWS Developer
8 1 (3.33%) Cloud Consultant
8 1 (3.33%) DevOps Administrator
8 1 (3.33%) Full Stack Developer
8 1 (3.33%) Full Stack Web Developer
Libraries, Frameworks & Software Standards
1 19 (63.33%) Ruby on Rails
2 15 (50.00%) React
3 8 (26.67%) CSS
3 8 (26.67%) HTML
4 7 (23.33%) CSS3
4 7 (23.33%) HTML5
4 7 (23.33%) JSON
5 5 (16.67%) Redux
6 3 (10.00%) Node.js
7 2 (6.67%) .NET
7 2 (6.67%) AngularJS
7 2 (6.67%) ASP.NET
7 2 (6.67%) Catalyst
7 2 (6.67%) CGI
7 2 (6.67%) XHTML
7 2 (6.67%) XML
8 1 (3.33%) J2EE
8 1 (3.33%) jQuery
8 1 (3.33%) Memcached
8 1 (3.33%) Web Services
Miscellaneous
1 7 (23.33%) Greenfield Project
2 2 (6.67%) Analytical Skills
2 2 (6.67%) Computer Science
2 2 (6.67%) Fintech
Operating Systems
1 10 (33.33%) Linux
2 2 (6.67%) DC/OS
2 2 (6.67%) Windows
3 1 (3.33%) Red Hat Enterprise Linux
3 1 (3.33%) Unix
Processes & Methodologies
1 23 (76.67%) Agile Software Development
2 9 (30.00%) Pair Programming
2 9 (30.00%) TDD
3 8 (26.67%) DevOps
3 8 (26.67%) Open Source
4 6 (20.00%) BDD
5 5 (16.67%) MVC
6 4 (13.33%) OO
7 3 (10.00%) Configuration Management
7 3 (10.00%) Continuous Integration
7 3 (10.00%) Front End Development
7 3 (10.00%) Web Development
8 2 (6.67%) Analytical Thinking
8 2 (6.67%) Continuous Delivery
8 2 (6.67%) E-Commerce
8 2 (6.67%) OOP
8 2 (6.67%) Re-Platforming
8 2 (6.67%) Scrum
8 2 (6.67%) Workflow
9 1 (3.33%) DNA
Programming Languages
1 10 (33.33%) Python
2 9 (30.00%) JavaScript
3 5 (16.67%) Java
4 3 (10.00%) Go
4 3 (10.00%) Perl
4 3 (10.00%) SQL
5 2 (6.67%) Bash Shell
5 2 (6.67%) PL/SQL
5 2 (6.67%) PowerShell
6 1 (3.33%) Clojure
6 1 (3.33%) PHP
Qualifications
1 2 (6.67%) HND
2 1 (3.33%) RHCA
2 1 (3.33%) RHCE
System Software
1 7 (23.33%) Docker
2 1 (3.33%) VMware ESXi
2 1 (3.33%) VMware Infrastructure
2 1 (3.33%) vSphere
Systems Management
1 17 (56.67%) Ansible
2 8 (26.67%) Opscode Chef
3 7 (23.33%) Puppet
4 5 (16.67%) Kubernetes
5 3 (10.00%) Mesos
6 2 (6.67%) Marathon
6 2 (6.67%) Terraform
7 1 (3.33%) Red Hat Satellite
Vendors
1 3 (10.00%) Oracle
2 2 (6.67%) VMware
3 1 (3.33%) hybris
3 1 (3.33%) IBM
3 1 (3.33%) Intershop
3 1 (3.33%) Red Hat