The following table provides summary statistics for contract job vacancies advertised in Welwyn Garden City 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 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
Open Source
Hertfordshire / Welwyn Garden City
Rank 12 - -
Rank change year-on-year - 0  
Contract jobs citing Open Source 2 0 0
As % of all contract IT jobs advertised in Welwyn Garden City 3.57% - -
As % of the Processes & Methodologies category 4.00% - -
Number of daily rates quoted 0 0 0
Median daily rate - - -
UK excluding London median daily rate £463 £413 £400
% change year-on-year +12.12% +3.12%  
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 Welwyn Garden City with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Welwyn Garden City
Contract job vacancies with a requirement for process and methodology skills 50 34 16
As % of all contract IT job vacancies advertised in Welwyn Garden City 89.29% 57.63% 53.33%
Number of daily rates quoted 20 15 4
Median daily rate £475 £450 £375
Median daily rate % change year-on-year +5.55% +20.00%  
90% offered a daily rate of more than £325 £325 £360
10% offered a daily rate of more than £555 £550 £390
UK excluding London median daily rate £410 £400 £400
% change year-on-year +2.50% -  
Number of hourly rates quoted 2 1 0
Median hourly rate £30.00 £9.23 -
Median hourly rate % change year-on-year +225.02% -  
UK excluding London median hourly rate £36.00 £39.00 £30.00
% change year-on-year -7.69% +30.00%  

Open Source
Job Vacancy Trend in Welwyn Garden City

The job posting trend of jobs advertised in Welwyn Garden City 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 Welwyn Garden City

Open Source
Top 17 Related IT Skills in Welwyn Garden City

For the 6 months to 24 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 Welwyn Garden City region with a requirement for Open Source.

1 4 (100.00%) Java
2 2 (50.00%) .NET
2 2 (50.00%) XML
2 2 (50.00%) E-Commerce
2 2 (50.00%) TDD
2 2 (50.00%) Retail
2 2 (50.00%) Spring
2 2 (50.00%) JSON
2 2 (50.00%) Refactoring
2 2 (50.00%) Amazon AWS
2 2 (50.00%) iPad
2 2 (50.00%) REST
2 2 (50.00%) DevOps
2 2 (50.00%) Microservices
2 2 (50.00%) Continuous Delivery
2 2 (50.00%) Spring Boot
2 2 (50.00%) SOLID

Open Source
Top Related IT Skills in Welwyn Garden City 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:

Cloud Services
1 2 (50.00%) Amazon AWS
General
1 2 (50.00%) Retail
Job Titles
1 2 (50.00%) Applications Developer
1 2 (50.00%) Architect
1 2 (50.00%) AWS Architect
1 2 (50.00%) Developer
1 2 (50.00%) Java Architect
Libraries, Frameworks & Software Standards
1 2 (50.00%) .NET
1 2 (50.00%) JSON
1 2 (50.00%) REST
1 2 (50.00%) Spring
1 2 (50.00%) Spring Boot
1 2 (50.00%) XML
Miscellaneous
1 2 (50.00%) iPad
Processes & Methodologies
1 2 (50.00%) Continuous Delivery
1 2 (50.00%) DevOps
1 2 (50.00%) E-Commerce
1 2 (50.00%) Microservices
1 2 (50.00%) Refactoring
1 2 (50.00%) SOLID
1 2 (50.00%) TDD
Programming Languages
1 4 (100.00%) Java