Period
to 16 January 2018

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for Open Source skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Open Source over the 6 months to 16 January 2018 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.

Open Source
East of England > Hertfordshire
6 months to
16 Jan 2018
Same period 2017 Same period 2016
Rank 68 65 73
Rank change year-on-year -3 +8 +10
Contract jobs citing Open Source 35 31 23
As % of all contract IT jobs advertised in Hertfordshire 2.27% 2.21% 1.62%
As % of the Processes & Methodologies category 2.77% 2.86% 2.19%
Number of daily rates quoted 21 18 20
Hertfordshire median daily rate £500 £338 £475
Median daily rate % change year-on-year +48.15% -28.95% +4.40%
10th Percentile £388 £248 £311
90th Percentile £569 £556 £689
East of England median daily rate £513 £420 £525
% change year-on-year +22.02% -20.00% +31.25%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate - £43.00 £65.00
% change year-on-year - -33.85% -

Open Source is in the Processes and Methodologies 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 process or methodology skills.

All Process and Methodology Skills
Hertfordshire
Contract vacancies with a requirement for process or methodology skills 1,262 1,083 1,052
As % of all contract IT jobs advertised in Hertfordshire 82.00% 77.08% 74.24%
Number of daily rates quoted 633 616 526
Hertfordshire median daily rate £400 £425 £410
Median daily rate % change year-on-year -5.88% +3.66% +7.89%
10th Percentile £238 £213 £229
90th Percentile £575 £556 £575
East of England median daily rate £425 £400 £400
% change year-on-year +6.25% - +2.24%
Number of hourly rates quoted 53 52 87
Hertfordshire median hourly rate £19.00 £42.35 £21.50
Median hourly rate % change year-on-year -55.14% +96.98% -31.75%
10th Percentile £13.00 £10.05 £10.50
90th Percentile £47.25 £53.63 £46.07
East of England median hourly rate £33.92 £32.50 £30.00
% change year-on-year +4.35% +8.33% +16.50%

Open Source
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for Open Source in Hertfordshire

Open Source
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Open Source in Hertfordshire

Open Source
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Open Source in Hertfordshire over the 6 months to 16 January 2018.

Contractor daily rate histogram for Open Source in Hertfordshire

Open Source
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 Open Source within the Hertfordshire region over the 6 months to 16 January 2018. 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 +5 20 £425 +8.97% 1
Hatfield -1 4 £556 +1.14% 8
Welwyn Garden City 0 2 £525 +31.25%
Waltham Cross - 2 £480 -
St Albans - 1 £463 - 1
Open Source
East of England

For the 6 months to 16 January 2018, IT contractor jobs citing Open Source 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 Open Source.

1 22 (62.86%) Agile Software Development
2 15 (42.86%) OO
3 13 (37.14%) PostgreSQL
3 13 (37.14%) Ruby
3 13 (37.14%) Ansible
4 12 (34.29%) Java
5 11 (31.43%) Ruby on Rails
5 11 (31.43%) React
5 11 (31.43%) Redis
6 10 (28.57%) DevOps
7 9 (25.71%) OOP
8 8 (22.86%) Python
8 8 (22.86%) JavaScript
8 8 (22.86%) Finance
8 8 (22.86%) Continuous Integration
8 8 (22.86%) Git (software)
8 8 (22.86%) Analytical Skills
9 7 (20.00%) Fintech
9 7 (20.00%) Analytical Thinking
9 7 (20.00%) RESTful
10 6 (17.14%) Scala
10 6 (17.14%) TDD
10 6 (17.14%) .NET
10 6 (17.14%) Linux
11 5 (14.29%) XSLT
11 5 (14.29%) XML
11 5 (14.29%) IBM
11 5 (14.29%) WebSphere MQ
11 5 (14.29%) WebSphere
11 5 (14.29%) IBM Integration Bus

Open Source
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 5 (14.29%) Apache Pig
1 5 (14.29%) Apache Spark
1 5 (14.29%) WebSphere
2 2 (5.71%) Apache
2 2 (5.71%) Confluence
2 2 (5.71%) nginx
2 2 (5.71%) OpenStack
2 2 (5.71%) Tomcat
3 1 (2.86%) Cloud Foundry
3 1 (2.86%) Oracle SOA Suite
3 1 (2.86%) SharePoint
Business Applications
1 2 (5.71%) Dynamics CRM
1 2 (5.71%) Magento
1 2 (5.71%) SAP HCM
Cloud Services
1 5 (14.29%) Amazon AWS
1 5 (14.29%) Microsoft Azure
2 2 (5.71%) Boomi
2 2 (5.71%) SuccessFactors
3 1 (2.86%) Office 365
Database & Business Intelligence
1 13 (37.14%) PostgreSQL
2 11 (31.43%) Redis
3 5 (14.29%) Apache Hive
3 5 (14.29%) Big Data
3 5 (14.29%) Hadoop
4 4 (11.43%) MySQL
5 3 (8.57%) Relational Database
6 2 (5.71%) NoSQL
7 1 (2.86%) Apache Cassandra
7 1 (2.86%) DB2
7 1 (2.86%) Oracle Database
7 1 (2.86%) Oracle Reports
7 1 (2.86%) RDBMS
7 1 (2.86%) SQL Server
Development Applications
1 8 (22.86%) Git (software)
2 4 (11.43%) Jenkins
3 3 (8.57%) Selenium
4 2 (5.71%) Atlassian Bamboo
4 2 (5.71%) Cucumber
4 2 (5.71%) JBehave
4 2 (5.71%) JIRA
4 2 (5.71%) JUnit
4 2 (5.71%) Maven
4 2 (5.71%) SoapUI
4 2 (5.71%) Vagrant
4 2 (5.71%) WebDriver
5 1 (2.86%) Apache Ivy
5 1 (2.86%) Bitbucket
5 1 (2.86%) GoCD
5 1 (2.86%) Gradle
5 1 (2.86%) Jasmine
5 1 (2.86%) Mockito
5 1 (2.86%) Moq
5 1 (2.86%) MSTest
General
1 8 (22.86%) Finance
2 4 (11.43%) Retail
3 1 (2.86%) Legal
3 1 (2.86%) Telecoms
Job Titles
1 19 (54.29%) Developer
2 11 (31.43%) Ruby on Rails Developer
3 6 (17.14%) Architect
4 5 (14.29%) Data Scientist
5 4 (11.43%) Integration Developer
5 4 (11.43%) Ruby Developer
6 3 (8.57%) Azure Architect
6 3 (8.57%) Digital Architect
6 3 (8.57%) Lead Developer
7 2 (5.71%) Digital Transformation
7 2 (5.71%) Digital Transformation Architect
7 2 (5.71%) Java Engineer
7 2 (5.71%) Magento Developer
7 2 (5.71%) Senior Java Engineer
7 2 (5.71%) Senior Test Engineer
7 2 (5.71%) Test Engineer
7 2 (5.71%) WebSphere Developer
8 1 (2.86%) Administrator
8 1 (2.86%) Lead C# Developer
8 1 (2.86%) Senior Test Automation Engineer
Libraries, Frameworks & Software Standards
1 11 (31.43%) React
1 11 (31.43%) Ruby on Rails
2 7 (20.00%) RESTful
3 6 (17.14%) .NET
4 5 (14.29%) IBM Integration Bus
4 5 (14.29%) JSON
4 5 (14.29%) WebSphere MQ
4 5 (14.29%) XML
4 5 (14.29%) XSLT
5 4 (11.43%) Web Services
6 3 (8.57%) CSS
6 3 (8.57%) HTML
6 3 (8.57%) LAMP
7 2 (5.71%) Gherkin
7 2 (5.71%) Hibernate
7 2 (5.71%) LEMP Stack
7 2 (5.71%) Spring
7 2 (5.71%) XHTML
7 2 (5.71%) XSL
8 1 (2.86%) CSS3
Miscellaneous
1 8 (22.86%) Analytical Skills
2 7 (20.00%) Fintech
3 5 (14.29%) Computer Science
3 5 (14.29%) DataPower
4 4 (11.43%) Algorithms
4 4 (11.43%) Data Structures
4 4 (11.43%) Mobile App
5 3 (8.57%) Blog
5 3 (8.57%) Enterprise Software
5 3 (8.57%) Public Cloud
6 2 (5.71%) User Experience
7 1 (2.86%) Analytical Mindset
Operating Systems
1 6 (17.14%) Linux
2 1 (2.86%) Red Hat Enterprise Linux
2 1 (2.86%) Solaris
2 1 (2.86%) Unix
Processes & Methodologies
1 22 (62.86%) Agile Software Development
2 15 (42.86%) OO
3 10 (28.57%) DevOps
4 9 (25.71%) OOP
5 8 (22.86%) Continuous Integration
6 7 (20.00%) Analytical Thinking
7 6 (17.14%) TDD
8 5 (14.29%) API Development
8 5 (14.29%) MapReduce
8 5 (14.29%) Mathematics
9 4 (11.43%) Configuration Management
9 4 (11.43%) E-Commerce
9 4 (11.43%) Mathematical Modelling
9 4 (11.43%) Pair Programming
9 4 (11.43%) Rapid Prototyping
9 4 (11.43%) Test Automation
9 4 (11.43%) User Stories
10 3 (8.57%) MVC
10 3 (8.57%) Technical Architecture
10 3 (8.57%) Visualisation
Programming Languages
1 13 (37.14%) Ruby
2 12 (34.29%) Java
3 8 (22.86%) JavaScript
3 8 (22.86%) Python
4 6 (17.14%) Scala
5 5 (14.29%) R
6 4 (11.43%) Perl
6 4 (11.43%) PowerShell
7 3 (8.57%) SQL
7 3 (8.57%) VB
7 3 (8.57%) VBScript
8 2 (5.71%) PHP
9 1 (2.86%) Bash Shell
9 1 (2.86%) C#
9 1 (2.86%) Groovy
9 1 (2.86%) PL/SQL
9 1 (2.86%) Shell Script
Qualifications
1 5 (14.29%) Degree
2 4 (11.43%) Security Cleared
3 3 (8.57%) Numerate Degree
3 3 (8.57%) SC Cleared
4 1 (2.86%) Computer Science Degree
4 1 (2.86%) RHCA
4 1 (2.86%) RHCE
Quality Assurance & Compliance
1 3 (8.57%) QA
System Software
1 2 (5.71%) Docker
2 1 (2.86%) VMware ESXi
2 1 (2.86%) vSphere
Systems Management
1 13 (37.14%) Ansible
2 5 (14.29%) WebSphere Cast Iron
3 3 (8.57%) Puppet
4 2 (5.71%) Kubernetes
4 2 (5.71%) Opscode Chef
5 1 (2.86%) Red Hat Satellite
Vendors
1 5 (14.29%) IBM
2 2 (5.71%) Atlassian
2 2 (5.71%) Dell
2 2 (5.71%) Oracle
2 2 (5.71%) SAP
2 2 (5.71%) Zend
3 1 (2.86%) Microsoft
3 1 (2.86%) Red Hat
3 1 (2.86%) Salesforce.com
3 1 (2.86%) Sitecore
3 1 (2.86%) Sonatype
3 1 (2.86%) VMware
3 1 (2.86%) Xamarin