Period
to 17 November 2017

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 6 months to 17 November 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
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 31 39 33
Rank change year-on-year +8 -6 +5
Contract jobs citing Open Source 3 4 3
As % of all contract IT jobs advertised in Middlesex 1.16% 1.10% 0.84%
As % of the Processes & Methodologies category 1.35% 1.27% 1.05%
Number of daily rates quoted 1 3 0
Middlesex median daily rate £550 £450 -
Median daily rate % change year-on-year +22.22% - -
South East median daily rate £463 £450 £400
% change year-on-year +2.78% +12.50% +3.23%
Number of hourly rates quoted 0 0 0
Middlesex median hourly rate - - -
South East median hourly rate £45.00 £43.50 £50.00
% change year-on-year +3.45% -13.00% +82.48%

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 Middlesex with a requirement for process or methodology skills.

All Process and Methodology Skills
Middlesex
Contract vacancies with a requirement for process or methodology skills 223 315 287
As % of all contract IT jobs advertised in Middlesex 86.10% 86.78% 80.17%
Number of daily rates quoted 155 188 139
Middlesex median daily rate £440 £413 £396
Median daily rate % change year-on-year +6.67% +4.17% +2.19%
10th Percentile £300 £293 £263
90th Percentile £548 £550 £501
South East median daily rate £425 £400 £390
% change year-on-year +6.25% +2.56% +4.56%
Number of hourly rates quoted 2 9 11
Middlesex median hourly rate £31.75 £37.50 £32.50
Median hourly rate % change year-on-year -15.33% +15.38% -18.75%
10th Percentile £30.58 £23.70 £13.75
90th Percentile £33.53 £42.60 £48.75
South East median hourly rate £23.00 £26.00 £26.00
% change year-on-year -11.54% - +48.57%

Open Source
Job Vacancy Trend in Middlesex

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

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 17 November 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 2 (66.67%) Java
2 1 (33.33%) JavaScript
2 1 (33.33%) SQL
2 1 (33.33%) CSS
2 1 (33.33%) SOAP
2 1 (33.33%) Web Services
2 1 (33.33%) Linux
2 1 (33.33%) HTML
2 1 (33.33%) MVC
2 1 (33.33%) Hibernate
2 1 (33.33%) Agile Software Development
2 1 (33.33%) TDD
2 1 (33.33%) Spring
2 1 (33.33%) IPTV
2 1 (33.33%) JSON
2 1 (33.33%) Spring MVC
2 1 (33.33%) JPA
2 1 (33.33%) Git (software)
2 1 (33.33%) RESTful
2 1 (33.33%) Scala
2 1 (33.33%) Hudson
2 1 (33.33%) Node.js
2 1 (33.33%) REST
2 1 (33.33%) High Availability
2 1 (33.33%) Continuous Improvement
2 1 (33.33%) Gradle
2 1 (33.33%) Jenkins
2 1 (33.33%) Play Framework
2 1 (33.33%) Microservices
2 1 (33.33%) Spring Boot

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:

Development Applications
1 1 (33.33%) Git (software)
1 1 (33.33%) Gradle
1 1 (33.33%) Hudson
1 1 (33.33%) Jenkins
Job Titles
1 2 (66.67%) Developer
2 1 (33.33%) Architect
2 1 (33.33%) Digital Architect
2 1 (33.33%) Digital Solutions Architect
2 1 (33.33%) Software Developer
2 1 (33.33%) Solutions Architect
Libraries, Frameworks & Software Standards
1 1 (33.33%) CSS
1 1 (33.33%) Hibernate
1 1 (33.33%) HTML
1 1 (33.33%) JPA
1 1 (33.33%) JSON
1 1 (33.33%) Node.js
1 1 (33.33%) Play Framework
1 1 (33.33%) REST
1 1 (33.33%) RESTful
1 1 (33.33%) SOAP
1 1 (33.33%) spray
1 1 (33.33%) Spring
1 1 (33.33%) Spring Boot
1 1 (33.33%) Spring MVC
1 1 (33.33%) Web Services
Miscellaneous
1 1 (33.33%) IPTV
Operating Systems
1 1 (33.33%) Linux
Processes & Methodologies
1 1 (33.33%) Agile Software Development
1 1 (33.33%) API Design
1 1 (33.33%) Continuous Improvement
1 1 (33.33%) High Availability
1 1 (33.33%) IT Strategy
1 1 (33.33%) Microservices
1 1 (33.33%) MVC
1 1 (33.33%) Open Source Development
1 1 (33.33%) TDD
Programming Languages
1 2 (66.67%) Java
2 1 (33.33%) JavaScript
2 1 (33.33%) Scala
2 1 (33.33%) SQL