The following table provides summary statistics for permanent job vacancies advertised in Chester 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 28 March 2017 with a comparison to the same period in the previous 2 years.

Open Source
Cheshire / Chester
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 24 22 26
Rank change year-on-year -2 +4  
Permanent jobs citing Open Source 4 11 3
As % of all permanent IT jobs advertised in Chester 2.96% 6.92% 1.75%
As % of the Processes & Methodologies category 3.36% 7.97% 2.00%
Number of salaries quoted 4 10 3
Median salary £29,000 £31,000 £32,500
Median salary % change year-on-year -6.45% -4.61%  
UK excluding London median salary £45,000 £45,000 £45,000

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 Chester with a requirement for process and methodology skills.

Process & Methodology Skills
Chester
Permanent job vacancies with a requirement for process and methodology skills 119 138 150
As % of all permanent IT job vacancies advertised in Chester 88.15% 86.79% 87.72%
Number of salaries quoted 109 120 105
Median salary £38,000 £40,000 £40,000
Median salary % change year-on-year -5.00% -  
90% offered a salary of more than £29,000 £27,000 £25,000
10% offered a salary of more than £57,500 £50,000 £50,000
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

Open Source
Job Vacancy Trend in Chester

The job posting trend of jobs advertised in Chester 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 Chester

Open Source
Salary Trend in Chester

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

Salary trend for Open Source in Chester

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

1 5 (71.43%) Linux
1 5 (71.43%) DevOps
2 4 (57.14%) Web Development
2 4 (57.14%) Django
2 4 (57.14%) JavaScript
2 4 (57.14%) Python
3 3 (42.86%) E-Commerce
3 3 (42.86%) Agile Software Development
3 3 (42.86%) Java
4 2 (28.57%) TDD
4 2 (28.57%) Spring
4 2 (28.57%) Software Engineering
4 2 (28.57%) Validation
4 2 (28.57%) Scrum
4 2 (28.57%) J2EE
4 2 (28.57%) WebLogic
4 2 (28.57%) SOAP
4 2 (28.57%) Struts
4 2 (28.57%) Web Services
4 2 (28.57%) UML
4 2 (28.57%) OO
4 2 (28.57%) JBoss
4 2 (28.57%) RAD
4 2 (28.57%) RUP
4 2 (28.57%) Tomcat
4 2 (28.57%) GlassFish
4 2 (28.57%) Test Scripting
4 2 (28.57%) Degree
4 2 (28.57%) JSTL
4 2 (28.57%) Mathematics

Open Source
Co-occurring IT Skills in Chester 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 2 (28.57%) GlassFish
1 2 (28.57%) JBoss
1 2 (28.57%) Tomcat
1 2 (28.57%) WebLogic
1 2 (28.57%) WebSphere
Cloud Services
1 1 (14.29%) Amazon AWS
Job Titles
1 4 (57.14%) Developer
1 4 (57.14%) Python Developer
2 2 (28.57%) Software Engineer
3 1 (14.29%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 4 (57.14%) Django
2 2 (28.57%) J2EE
2 2 (28.57%) JSTL
2 2 (28.57%) REST
2 2 (28.57%) SOAP
2 2 (28.57%) Spring
2 2 (28.57%) Struts
2 2 (28.57%) Web Services
Miscellaneous
1 2 (28.57%) Computer Science
Operating Systems
1 5 (71.43%) Linux
Processes & Methodologies
1 5 (71.43%) DevOps
2 4 (57.14%) Web Development
3 3 (42.86%) Agile Software Development
3 3 (42.86%) E-Commerce
4 2 (28.57%) Customer Requirements
4 2 (28.57%) Mathematics
4 2 (28.57%) OO
4 2 (28.57%) RAD
4 2 (28.57%) RUP
4 2 (28.57%) Scrum
4 2 (28.57%) Software Engineering
4 2 (28.57%) TDD
4 2 (28.57%) Test Scripting
4 2 (28.57%) UML
4 2 (28.57%) Validation
4 2 (28.57%) Waterfall
Programming Languages
1 4 (57.14%) JavaScript
1 4 (57.14%) Python
2 3 (42.86%) Java
Qualifications
1 2 (28.57%) Degree
Vendors
1 2 (28.57%) hybris