The following table provides summary statistics for permanent job vacancies advertised in Westminster with a requirement for Open Source skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Open Source over the 3 months to 24 June 2017 with a comparison to the same period in the previous 2 years.

Open Source
London / Westminster
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 20 13 -
Rank change year-on-year -7 -  
Permanent jobs citing Open Source 6 5 0
As % of all permanent IT jobs advertised in Westminster 6.98% 8.62% -
As % of the Processes & Methodologies category 7.14% 8.77% -
Number of salaries quoted 5 5 0
Median salary £90,000 £60,000 -
Median salary % change year-on-year +50.00% -  
UK excluding London median salary £47,000 £47,500 £45,000
% change year-on-year -1.05% +5.55%  

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 permanent job vacancies advertised in Westminster with a requirement for process and methodology skills.

Process & Methodology Skills
Westminster
Permanent job vacancies with a requirement for process and methodology skills 84 57 10
As % of all permanent IT job vacancies advertised in Westminster 97.67% 98.28% 83.33%
Number of salaries quoted 72 54 5
Median salary £85,000 £80,000 £50,000
Median salary % change year-on-year +6.25% +60.00%  
90% offered a salary of more than £47,500 £35,000 £47,000
10% offered a salary of more than £90,000 £65,500 £85,000
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

Open Source
Job Vacancy Trend in Westminster

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

Job vacancy trend for Open Source in Westminster

Open Source
Salary Trend in Westminster

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Open Source in Westminster.

Salary trend for Open Source in Westminster

Open Source
Salary Histogram in Westminster

The salary distribution of IT jobs citing Open Source in Westminster over the 3 months to 24 June 2017.

Salary histogram for Open Source in Westminster

For the 6 months to 24 June 2017, IT 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 job ads across the Westminster region with a requirement for Open Source.

1 7 (63.64%) Agile Software Development
2 5 (45.45%) Amazon AWS
2 5 (45.45%) JavaScript
2 5 (45.45%) .NET
2 5 (45.45%) SQL Server
2 5 (45.45%) Microsoft
3 4 (36.36%) WCAG
3 4 (36.36%) User Experience
3 4 (36.36%) Test Automation
4 3 (27.27%) Windows Server
4 3 (27.27%) GeoServer
4 3 (27.27%) Software Delivery
4 3 (27.27%) Drupal
4 3 (27.27%) PostgreSQL
4 3 (27.27%) Scrum
4 3 (27.27%) DevOps
4 3 (27.27%) Mentoring
4 3 (27.27%) Coaching
4 3 (27.27%) Web Services
4 3 (27.27%) Windows
4 3 (27.27%) Linux
5 2 (18.18%) Python
5 2 (18.18%) JMS
5 2 (18.18%) SOA
5 2 (18.18%) RDBMS
5 2 (18.18%) Finance
5 2 (18.18%) EJB
5 2 (18.18%) STL
5 2 (18.18%) MySQL
5 2 (18.18%) Oracle

Open Source
Co-occurring IT Skills in Westminster 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 (27.27%) Drupal
1 3 (27.27%) GeoServer
2 2 (18.18%) Oracle SOA Suite
Cloud Services
1 5 (45.45%) Amazon AWS
2 2 (18.18%) Microsoft Azure
Database & Business Intelligence
1 5 (45.45%) SQL Server
2 3 (27.27%) PostgreSQL
3 2 (18.18%) MySQL
3 2 (18.18%) RDBMS
3 2 (18.18%) Relational Database
General
1 2 (18.18%) Finance
Job Titles
1 4 (36.36%) Test Leader
2 3 (27.27%) Consultant
2 3 (27.27%) DevOps Consultant
2 3 (27.27%) Technical Consultant
3 2 (18.18%) Applications Architect
3 2 (18.18%) Architect
Libraries, Frameworks & Software Standards
1 5 (45.45%) .NET
2 3 (27.27%) Web Services
3 2 (18.18%) Boost C++ Libraries
3 2 (18.18%) EJB
3 2 (18.18%) Java EE
3 2 (18.18%) JMS
3 2 (18.18%) Spring
3 2 (18.18%) STL
Miscellaneous
1 4 (36.36%) User Experience
2 2 (18.18%) Fintech
Operating Systems
1 3 (27.27%) Linux
1 3 (27.27%) Windows
1 3 (27.27%) Windows Server
Processes & Methodologies
1 7 (63.64%) Agile Software Development
2 4 (36.36%) Test Automation
3 3 (27.27%) Coaching
3 3 (27.27%) DevOps
3 3 (27.27%) Mentoring
3 3 (27.27%) Scrum
3 3 (27.27%) Software Delivery
4 2 (18.18%) Capacity Planning
4 2 (18.18%) Continuous Integration
4 2 (18.18%) Performance Engineering
4 2 (18.18%) SDLC
4 2 (18.18%) SOA
4 2 (18.18%) Software Engineering
4 2 (18.18%) TOGAF
Programming Languages
1 5 (45.45%) JavaScript
2 2 (18.18%) C++
2 2 (18.18%) Java
2 2 (18.18%) Python
2 2 (18.18%) SQL
Quality Assurance & Compliance
1 4 (36.36%) WCAG
Vendors
1 5 (45.45%) Microsoft
2 2 (18.18%) Oracle