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 March 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.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
Ruby
East of England / Hertfordshire
Rank 33 57 54
Rank change year-on-year +24 -3  
Contract jobs citing Ruby 23 1 12
As % of all contract IT jobs advertised in Hertfordshire 3.72% 0.15% 1.74%
As % of the Programming Languages category 10.27% 0.54% 4.76%
Number of daily rates quoted 13 1 2
Median daily rate £413 £365 £463
Median daily rate % change year-on-year +13.01% -21.08%  
90% offered a daily rate of more than £347 £365 £433
10% offered a daily rate of more than £520 £365 £493
UK excluding London median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £65.00 £23.25 £71.00
% change year-on-year +179.56% -67.25%  

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 224 185 252
As % of all contract IT job vacancies advertised in Hertfordshire 36.25% 27.49% 36.63%
Number of daily rates quoted 147 106 117
Median daily rate £405 £375 £375
Median daily rate % change year-on-year +8.00% -  
90% offered a daily rate of more than £279 £300 £275
10% offered a daily rate of more than £600 £525 £500
UK excluding London median daily rate £390 £375 £350
% change year-on-year +4.00% +7.14%  
Number of hourly rates quoted 19 18 9
Median hourly rate £45.71 £49.50 £37.50
Median hourly rate % change year-on-year -7.66% +32.00%  
90% offered a hourly rate of more than £37.50 £37.50 £32.50
10% offered a hourly rate of more than £52.50 £50.00 £40.00
UK excluding London median hourly rate £41.64 £40.00 £36.00
% change year-on-year +4.10% +11.11%  

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
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Ruby in Hertfordshire over the 3 months to 24 March 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 3 months to 24 March 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 - 9 £340 -
Hatfield - 9 £405 - 1
Watford - 3 £450 - 2
St Albans - 1 £500 - 3
Ruby
East of England

Ruby
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 24 March 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 26 (70.27%) Perl
1 26 (70.27%) Python
2 25 (67.57%) Java
2 25 (67.57%) Linux
3 23 (62.16%) Apache
4 22 (59.46%) PostgreSQL
4 22 (59.46%) LAPP Stack
5 21 (56.76%) Puppet
5 21 (56.76%) Finance
6 19 (51.35%) Bash Shell
7 18 (48.65%) Tomcat
7 18 (48.65%) MySQL
8 17 (45.95%) TCP/IP
8 17 (45.95%) SSL
8 17 (45.95%) Firewall
8 17 (45.95%) Clustering
9 16 (43.24%) Software Engineering
9 16 (43.24%) DevOps
10 15 (40.54%) LAMP
11 13 (35.14%) Agile Software Development
12 12 (32.43%) SQL
12 12 (32.43%) Computer Science
13 11 (29.73%) High Availability
13 11 (29.73%) Salt
13 11 (29.73%) RHCE
13 11 (29.73%) Configuration Management
13 11 (29.73%) Scrum
14 7 (18.92%) C
14 7 (18.92%) Opscode Chef
14 7 (18.92%) Cucumber

Ruby
Top Related 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 23 (62.16%) Apache
2 18 (48.65%) Tomcat
3 5 (13.51%) nginx
Business Applications
1 6 (16.22%) Payment Gateway
Cloud Services
1 3 (8.11%) Amazon AWS
2 1 (2.70%) Amazon EC2
2 1 (2.70%) Amazon SQS
2 1 (2.70%) GitHub
Communications & Networking
1 17 (45.95%) Firewall
1 17 (45.95%) SSL
1 17 (45.95%) TCP/IP
2 5 (13.51%) DHCP
2 5 (13.51%) DNS
3 4 (10.81%) HTTP
Database & Business Intelligence
1 22 (59.46%) PostgreSQL
2 18 (48.65%) MySQL
3 1 (2.70%) NoSQL
Development Applications
1 7 (18.92%) Cucumber
1 7 (18.92%) Selenium
1 7 (18.92%) WebDriver
2 3 (8.11%) Jenkins
3 1 (2.70%) Hudson
3 1 (2.70%) JIRA
3 1 (2.70%) Maven
General
1 21 (56.76%) Finance
2 2 (5.41%) Banking
2 2 (5.41%) Retail
3 1 (2.70%) Retail Banking
Job Titles
1 14 (37.84%) DevOps Engineer
2 9 (24.32%) Software Engineer
3 4 (10.81%) Automation Test Lead
3 4 (10.81%) Developer
3 4 (10.81%) Operations Engineer
3 4 (10.81%) Test Leader
4 3 (8.11%) Analyst
4 3 (8.11%) Automation Test Analyst
4 3 (8.11%) Lead Developer
4 3 (8.11%) Test Analyst
5 2 (5.41%) Linux DevOps Engineer
5 2 (5.41%) Linux Engineer
5 2 (5.41%) Linux/Unix DevOps
5 2 (5.41%) Ruby Developer
5 2 (5.41%) Systems Engineer
6 1 (2.70%) Agile Developer
6 1 (2.70%) AWS Architect
6 1 (2.70%) AWS Developer
6 1 (2.70%) DevOps Architect
6 1 (2.70%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 22 (59.46%) LAPP Stack
2 15 (40.54%) LAMP
3 5 (13.51%) LEMP Stack
4 3 (8.11%) CSS
4 3 (8.11%) HTML
4 3 (8.11%) Ruby on Rails
5 1 (2.70%) Oracle Fusion
5 1 (2.70%) Web Services
Miscellaneous
1 17 (45.95%) Clustering
2 12 (32.43%) Computer Science
3 1 (2.70%) iPad
3 1 (2.70%) Wiki
Operating Systems
1 25 (67.57%) Linux
2 6 (16.22%) Windows
3 2 (5.41%) Unix
4 1 (2.70%) Ubuntu
Processes & Methodologies
1 16 (43.24%) DevOps
1 16 (43.24%) Software Engineering
2 13 (35.14%) Agile Software Development
3 11 (29.73%) Configuration Management
3 11 (29.73%) High Availability
3 11 (29.73%) Scrum
4 7 (18.92%) Manual Testing
4 7 (18.92%) Test Automation
4 7 (18.92%) Test Scripting
5 6 (16.22%) User Acceptance Testing
6 5 (13.51%) Data Protection
7 4 (10.81%) Continuous Integration
7 4 (10.81%) Kanban
7 4 (10.81%) Pair Programming
7 4 (10.81%) TDD
8 3 (8.11%) BDD
8 3 (8.11%) Continuous Delivery
8 3 (8.11%) Line Management
8 3 (8.11%) SDLC
8 3 (8.11%) Workflow
Programming Languages
1 26 (70.27%) Perl
1 26 (70.27%) Python
2 25 (67.57%) Java
3 19 (51.35%) Bash Shell
4 12 (32.43%) SQL
5 7 (18.92%) C
6 5 (13.51%) PHP
7 4 (10.81%) C#
7 4 (10.81%) VB
8 1 (2.70%) C++
8 1 (2.70%) JavaScript
8 1 (2.70%) PowerShell
8 1 (2.70%) Shell Script
Qualifications
1 11 (29.73%) RHCE
2 1 (2.70%) Degree
System Software
1 5 (13.51%) Virtual Machines
1 5 (13.51%) Virtual Servers
1 5 (13.51%) VMware Infrastructure
2 4 (10.81%) FreeRADIUS
3 1 (2.70%) Docker
Systems Management
1 21 (56.76%) Puppet
2 11 (29.73%) Salt
3 7 (18.92%) Opscode Chef
4 6 (16.22%) Ansible
5 5 (13.51%) Nagios
6 1 (2.70%) Nessus
6 1 (2.70%) Packer
6 1 (2.70%) Terraform
Vendors
1 5 (13.51%) VMware
2 4 (10.81%) Cisco
3 1 (2.70%) Oracle
3 1 (2.70%) Splunk
3 1 (2.70%) xMatters