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 3 months to 24 June 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
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 57 48 -
Rank change year-on-year -9 -  
Contract jobs citing Ruby 2 11 0
As % of all contract IT jobs advertised in Hertfordshire 0.32% 1.67% -
As % of the Programming Languages category 0.80% 5.95% -
Number of daily rates quoted 1 5 0
Median daily rate £413 £400 -
Median daily rate % change year-on-year +3.12% -  
UK excluding London median daily rate £463 £450 £400
% change year-on-year +2.88% +12.50%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £10.00 £40.00
% change year-on-year - -75.00%  

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

Contract Programming Language Skills
Hertfordshire
Contract job vacancies with a requirement for programming language skills 249 185 290
As % of all contract IT job vacancies advertised in Hertfordshire 39.90% 28.03% 32.44%
Number of daily rates quoted 142 103 130
Median daily rate £388 £400 £350
Median daily rate % change year-on-year -3.12% +14.28%  
90% offered a daily rate of more than £280 £273 £275
10% offered a daily rate of more than £525 £490 £500
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 11 9 15
Median hourly rate £42.50 £50.00 £32.50
Median hourly rate % change year-on-year -15.00% +53.84%  
90% offered a hourly rate of more than £15.00 £15.00 £20.94
10% offered a hourly rate of more than £46.10 £52.50 £42.15
UK excluding London median hourly rate £42.50 £37.50 £36.50
% change year-on-year +13.33% +2.73%  

Ruby
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire citing Ruby as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

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
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 3 months to 24 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Welwyn Garden City +5 1 - -
Hatfield - 1 £413 - 1
Ruby
East of England

For the 6 months to 24 June 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 21 (84.00%) Java
1 21 (84.00%) Perl
1 21 (84.00%) Python
1 21 (84.00%) Linux
1 21 (84.00%) Bash Shell
2 20 (80.00%) Apache
2 20 (80.00%) Tomcat
2 20 (80.00%) PostgreSQL
2 20 (80.00%) LAPP Stack
3 19 (76.00%) Firewall
3 19 (76.00%) Clustering
3 19 (76.00%) TCP/IP
3 19 (76.00%) SSL
4 18 (72.00%) Puppet
5 15 (60.00%) Software Engineering
5 15 (60.00%) Finance
6 14 (56.00%) SQL
7 12 (48.00%) RHCE
7 12 (48.00%) Configuration Management
7 12 (48.00%) Computer Science
7 12 (48.00%) High Availability
7 12 (48.00%) DevOps
7 12 (48.00%) Salt
8 11 (44.00%) MySQL
8 11 (44.00%) LAMP
9 7 (28.00%) Payment Gateway
10 6 (24.00%) Windows
10 6 (24.00%) User Acceptance Testing
10 6 (24.00%) C
11 5 (20.00%) C#

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 20 (80.00%) Apache
1 20 (80.00%) Tomcat
Business Applications
1 7 (28.00%) Payment Gateway
Cloud Services
1 2 (8.00%) Amazon AWS
2 1 (4.00%) Amazon EC2
2 1 (4.00%) Amazon SQS
Communications & Networking
1 19 (76.00%) Firewall
1 19 (76.00%) SSL
1 19 (76.00%) TCP/IP
Database & Business Intelligence
1 20 (80.00%) PostgreSQL
2 11 (44.00%) MySQL
3 1 (4.00%) NoSQL
Development Applications
1 3 (12.00%) Cucumber
1 3 (12.00%) Selenium
1 3 (12.00%) WebDriver
2 2 (8.00%) Jenkins
3 1 (4.00%) Hudson
3 1 (4.00%) Maven
General
1 15 (60.00%) Finance
2 2 (8.00%) Banking
2 2 (8.00%) Retail
3 1 (4.00%) Retail Banking
Job Titles
1 10 (40.00%) DevOps Engineer
1 10 (40.00%) Software Engineer
2 3 (12.00%) Systems Engineer
3 2 (8.00%) Automation Test Lead
3 2 (8.00%) Test Leader
4 1 (4.00%) Agile Developer
4 1 (4.00%) Agile Java Developer
4 1 (4.00%) Analyst
4 1 (4.00%) Automation Test Analyst
4 1 (4.00%) AWS Developer
4 1 (4.00%) Developer
4 1 (4.00%) DevOps Systems Engineer
4 1 (4.00%) Infrastructure Engineer
4 1 (4.00%) Java Developer
4 1 (4.00%) Software Support Engineer
4 1 (4.00%) Support Engineer
4 1 (4.00%) Test Analyst
Libraries, Frameworks & Software Standards
1 20 (80.00%) LAPP Stack
2 11 (44.00%) LAMP
3 1 (4.00%) Web Services
Miscellaneous
1 19 (76.00%) Clustering
2 12 (48.00%) Computer Science
Operating Systems
1 21 (84.00%) Linux
2 6 (24.00%) Windows
3 1 (4.00%) Ubuntu
Processes & Methodologies
1 15 (60.00%) Software Engineering
2 12 (48.00%) Configuration Management
2 12 (48.00%) DevOps
2 12 (48.00%) High Availability
3 6 (24.00%) User Acceptance Testing
4 5 (20.00%) Agile Software Development
5 4 (16.00%) Data Protection
5 4 (16.00%) Scrum
6 3 (12.00%) Manual Testing
6 3 (12.00%) Test Automation
6 3 (12.00%) Test Scripting
7 2 (8.00%) Continuous Delivery
8 1 (4.00%) Concurrent Programming
8 1 (4.00%) Continuous Integration
8 1 (4.00%) Human Resource Management
8 1 (4.00%) Kanban
8 1 (4.00%) Security Hardening
8 1 (4.00%) TDD
8 1 (4.00%) Web Operations
Programming Languages
1 21 (84.00%) Bash Shell
1 21 (84.00%) Java
1 21 (84.00%) Perl
1 21 (84.00%) Python
2 14 (56.00%) SQL
3 6 (24.00%) C
4 5 (20.00%) C#
4 5 (20.00%) VB
5 1 (4.00%) JavaScript
5 1 (4.00%) PowerShell
Qualifications
1 12 (48.00%) RHCE
System Software
1 1 (4.00%) Docker
Systems Management
1 18 (72.00%) Puppet
2 12 (48.00%) Salt
3 1 (4.00%) Opscode Chef