The following table provides summary statistics for contract job vacancies advertised in Middlesex 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 3 months to 28 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.

Open Source
South East / Middlesex
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 18 - -
Rank change year-on-year - 0  
Contract jobs citing Open Source 3 0 0
As % of all contract IT jobs advertised in Middlesex 2.36% - -
As % of the Processes & Methodologies category 2.78% - -
Number of daily rates quoted 2 0 0
Median daily rate £380 - -
UK excluding London median daily rate £465 £425 £400
% change year-on-year +9.41% +6.25%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £32.50 £39.90
% change year-on-year +23.07% -18.54%  

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 Middlesex with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Middlesex
Contract job vacancies with a requirement for process and methodology skills 108 132 127
As % of all contract IT job vacancies advertised in Middlesex 85.04% 84.08% 78.88%
Number of daily rates quoted 69 94 78
Median daily rate £400 £405 £400
Median daily rate % change year-on-year -1.23% +1.25%  
90% offered a daily rate of more than £264 £315 £264
10% offered a daily rate of more than £560 £526 £500
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 0 9 2
Median hourly rate - £48.50 £32.50
Median hourly rate % change year-on-year - +49.23%  
UK excluding London median hourly rate £36.00 £38.50 £30.20
% change year-on-year -6.49% +27.48%  

Open Source
Job Vacancy Trend in Middlesex

The job posting trend of jobs advertised in Middlesex citing Open Source as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Open Source in Middlesex

Open Source
Contractor Daily Rate Trend in Middlesex

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

Contractor daily rate trend for Open Source in Middlesex

Open Source
Contractor Hourly Rate Trend in Middlesex

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Open Source in Middlesex.

Contractor hourly rate trend for Open Source in Middlesex

For the 6 months to 28 March 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 Middlesex region with a requirement for Open Source.

1 3 (100.00%) HTML
1 3 (100.00%) JavaScript
1 3 (100.00%) CSS
1 3 (100.00%) OO
1 3 (100.00%) CMS
1 3 (100.00%) Agile Software Development
1 3 (100.00%) SaaS
1 3 (100.00%) HTML5
1 3 (100.00%) Node.js
1 3 (100.00%) CSS3
1 3 (100.00%) Responsive Web Design
1 3 (100.00%) AngularJS
1 3 (100.00%) Twitter Bootstrap
1 3 (100.00%) ServiceNow
1 3 (100.00%) Front End Development
1 3 (100.00%) Continuous Delivery
2 2 (66.67%) Minimum Viable Product
2 2 (66.67%) Sass
3 1 (33.33%) OOD
3 1 (33.33%) Rapid Prototyping
3 1 (33.33%) Prototyping
3 1 (33.33%) Personalization
3 1 (33.33%) User Experience

Open Source
Co-occurring IT Skills in Middlesex 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 (100.00%) CMS
Cloud Services
1 3 (100.00%) SaaS
Job Titles
1 3 (100.00%) Developer
1 3 (100.00%) Front End Developer (Client-Side Developer)
1 3 (100.00%) UI Developer
2 2 (66.67%) Angular Developer
2 2 (66.67%) JavaScript Developer
2 2 (66.67%) Senior Developer
2 2 (66.67%) Senior Front-End Developer
2 2 (66.67%) Senior JavaScript Developer
2 2 (66.67%) Senior UI Developer
Libraries, Frameworks & Software Standards
1 3 (100.00%) AngularJS
1 3 (100.00%) CSS
1 3 (100.00%) CSS3
1 3 (100.00%) HTML
1 3 (100.00%) HTML5
1 3 (100.00%) Node.js
1 3 (100.00%) Twitter Bootstrap
2 2 (66.67%) Sass
Miscellaneous
1 2 (66.67%) Minimum Viable Product
2 1 (33.33%) User Experience
Processes & Methodologies
1 3 (100.00%) Agile Software Development
1 3 (100.00%) Continuous Delivery
1 3 (100.00%) Front End Development
1 3 (100.00%) OO
1 3 (100.00%) Responsive Web Design
2 1 (33.33%) OOD
2 1 (33.33%) Personalization
2 1 (33.33%) Prototyping
2 1 (33.33%) Rapid Prototyping
Programming Languages
1 3 (100.00%) JavaScript
Vendors
1 3 (100.00%) ServiceNow