Period
to 23 July 2017

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 23 July 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.

Open Source
East of England > Hertfordshire
6 months to
23 Jul 2017
Same period 2016 Same period 2015
Rank 65 79 78
Rank change year-on-year +14 -1 +14
Contract jobs citing Open Source 25 11 29
As % of all contract IT jobs advertised in Hertfordshire 1.96% 0.79% 1.79%
As % of the Processes & Methodologies category 2.46% 1.03% 2.30%
Number of daily rates quoted 15 2 24
Hertfordshire median daily rate £550 £569 £463
Median daily rate % change year-on-year -3.30% +22.97% -2.63%
10th Percentile £418 £557 £343
90th Percentile £575 £586 £500
East of England median daily rate £525 £350 £400
% change year-on-year +50.00% -12.50% -8.57%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate - £43.75 -

Open Source is in the process and methodology 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 process and methodology skills.

Contract Process & Methodology Skills
Hertfordshire
Contract job vacancies with a requirement for process and methodology skills 1016 1070 1259
As % of all contract IT job vacancies advertised in Hertfordshire 79.50% 76.54% 77.62%
Number of daily rates quoted 519 582 640
Hertfordshire median daily rate £413 £402 £385
Median daily rate % change year-on-year +2.74% +4.29% +2.67%
10th Percentile £213 £246 £239
90th Percentile £588 £550 £538
East of England median daily rate £425 £413 £388
% change year-on-year +3.03% +6.45% +3.33%
Number of hourly rates quoted 63 43 101
Hertfordshire median hourly rate £18.00 £30.00 £20.94
Median hourly rate % change year-on-year -40.00% +43.30% -0.31%
10th Percentile £11.62 £9.23 £8.75
90th Percentile £52.50 £53.75 £40.00
East of England median hourly rate £30.50 £23.00 £23.00
% change year-on-year +32.61% - -16.36%

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 23 July 2017.

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 23 July 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 10 £500 -
Hatfield -2 10 £550 - 2
Stevenage - 2 £413 -
Rickmansworth +1 1 - -
Welwyn Garden City - 1 - -
Open Source
East of England

For the 6 months to 23 July 2017, 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 19 (76.00%) Java
1 19 (76.00%) Agile Software Development
2 15 (60.00%) OO
2 15 (60.00%) DevOps
3 13 (52.00%) TDD
4 11 (44.00%) Spring
5 10 (40.00%) Linux
5 10 (40.00%) NoSQL
6 9 (36.00%) Mentoring
6 9 (36.00%) Apache Cassandra
6 9 (36.00%) Service Design
6 9 (36.00%) Unix
7 8 (32.00%) IBM
7 8 (32.00%) IBM Integration Bus
8 7 (28.00%) Continuous Integration
8 7 (28.00%) RESTful
8 7 (28.00%) Puppet
8 7 (28.00%) Big Data
8 7 (28.00%) Opscode Chef
8 7 (28.00%) Client/Server
8 7 (28.00%) XML
8 7 (28.00%) JSON
9 6 (24.00%) Release Management
9 6 (24.00%) WebSphere
9 6 (24.00%) XSLT
9 6 (24.00%) JavaScript
9 6 (24.00%) .NET
9 6 (24.00%) WebSphere MQ
9 6 (24.00%) Configuration Management
9 6 (24.00%) WebSphere Cast Iron

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 6 (24.00%) WebSphere
2 2 (8.00%) BizTalk Server
3 1 (4.00%) Confluence
3 1 (4.00%) OpenStack
3 1 (4.00%) Tomcat
Applications
1 4 (16.00%) MS Visio
2 2 (8.00%) Microsoft Excel
2 2 (8.00%) Microsoft Office
2 2 (8.00%) Microsoft PowerPoint
Business Applications
1 4 (16.00%) Dynamics CRM
1 4 (16.00%) SAP HCM
Cloud Services
1 4 (16.00%) Boomi
1 4 (16.00%) SuccessFactors
2 2 (8.00%) G Suite
3 1 (4.00%) Amazon AWS
Database & Business Intelligence
1 10 (40.00%) NoSQL
2 9 (36.00%) Apache Cassandra
3 7 (28.00%) Big Data
4 2 (8.00%) Data Mining
Development Applications
1 2 (8.00%) Cucumber
1 2 (8.00%) Git (software)
1 2 (8.00%) JBehave
1 2 (8.00%) Selenium
1 2 (8.00%) WebDriver
2 1 (4.00%) Atlassian Bamboo
2 1 (4.00%) FitNesse
2 1 (4.00%) GCC
2 1 (4.00%) Jenkins
2 1 (4.00%) JIRA
2 1 (4.00%) JUnit
2 1 (4.00%) Maven
2 1 (4.00%) Mockito
2 1 (4.00%) Moq
2 1 (4.00%) Robot Framework
2 1 (4.00%) SoapUI
2 1 (4.00%) SonarQube
2 1 (4.00%) TeamCity
General
1 2 (8.00%) Finance
Job Titles
1 17 (68.00%) Developer
2 10 (40.00%) Java Developer
3 7 (28.00%) Senior Developer
3 7 (28.00%) Senior Java Developer
4 5 (20.00%) Integration Developer
4 5 (20.00%) WebSphere Developer
5 4 (16.00%) Analyst
6 3 (12.00%) AWS Developer
6 3 (12.00%) AWS DevOps
6 3 (12.00%) DevOps Developer
7 2 (8.00%) Architect
7 2 (8.00%) Business Process Analyst
7 2 (8.00%) Business Systems Analyst
7 2 (8.00%) Integration Analyst
7 2 (8.00%) Process Analyst
7 2 (8.00%) Senior DevOps
7 2 (8.00%) Systems Analyst
7 2 (8.00%) Test Manager
8 1 (4.00%) Consultant
8 1 (4.00%) Solutions Architect
Libraries, Frameworks & Software Standards
1 11 (44.00%) Spring
2 8 (32.00%) IBM Integration Bus
3 7 (28.00%) JSON
3 7 (28.00%) RESTful
3 7 (28.00%) XML
4 6 (24.00%) .NET
4 6 (24.00%) WebSphere MQ
4 6 (24.00%) XSLT
5 2 (8.00%) Gherkin
5 2 (8.00%) Middleware
6 1 (4.00%) Hibernate
6 1 (4.00%) POSIX
6 1 (4.00%) REST
6 1 (4.00%) Spring Boot
Miscellaneous
1 7 (28.00%) Client/Server
2 6 (24.00%) DataPower
3 4 (16.00%) Mobile App
4 2 (8.00%) Smart Meter
4 2 (8.00%) User Experience
5 1 (4.00%) Embedded Systems
5 1 (4.00%) iPad
Operating Systems
1 10 (40.00%) Linux
2 9 (36.00%) Unix
3 1 (4.00%) Mac OS
3 1 (4.00%) Windows
Processes & Methodologies
1 19 (76.00%) Agile Software Development
2 15 (60.00%) DevOps
2 15 (60.00%) OO
3 13 (52.00%) TDD
4 9 (36.00%) Mentoring
4 9 (36.00%) Service Design
5 7 (28.00%) Continuous Integration
6 6 (24.00%) API Development
6 6 (24.00%) Configuration Management
6 6 (24.00%) Release Management
7 5 (20.00%) Continuous Delivery
8 4 (16.00%) BDD
8 4 (16.00%) CRM
9 3 (12.00%) Scrum
10 2 (8.00%) Data Analysis
10 2 (8.00%) Data Management
10 2 (8.00%) Logistics
10 2 (8.00%) SOA
10 2 (8.00%) Software Testing
10 2 (8.00%) WFM
Programming Languages
1 19 (76.00%) Java
2 6 (24.00%) JavaScript
3 1 (4.00%) C
3 1 (4.00%) Python
Qualifications
1 1 (4.00%) Degree
System Software
1 1 (4.00%) Docker
Systems Management
1 7 (28.00%) Opscode Chef
1 7 (28.00%) Puppet
2 6 (24.00%) WebSphere Cast Iron
Vendors
1 8 (32.00%) IBM
2 4 (16.00%) Dell
2 4 (16.00%) SAP
3 3 (12.00%) Atlassian
4 2 (8.00%) Google
4 2 (8.00%) MuleSoft
4 2 (8.00%) TIBCO
4 2 (8.00%) WSO2