The following table provides summary statistics for permanent job vacancies advertised in Sidcup with a requirement for JavaScript skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited JavaScript over the 3 months to 30 March 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
London / Sidcup
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank - 24 12
Permanent jobs citing JavaScript 0 1 6
As % of all permanent IT jobs advertised in Sidcup - 1.79% 13.04%
As % of the Programming Languages category - 20.00% 46.15%
Number of salaries quoted 0 1 6
Median salary - £53,000 £43,500
Median salary % change year-on-year - +21.83%  
UK excluding London median salary £40,000 £40,000 £38,500
% change year-on-year - +3.89%  

JavaScript is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Sidcup with a requirement for programming language skills.

Programming Language Skills
Sidcup
Permanent job vacancies with a requirement for programming language skills 1 5 13
As % of all permanent IT job vacancies advertised in Sidcup 33.33% 8.93% 28.26%
Number of salaries quoted 1 4 11
Median salary £85,000 £40,500 £43,750
Median salary % change year-on-year +109.87% -7.42%  
UK excluding London median salary £41,000 £41,000 £40,000
% change year-on-year - +2.50%  

JavaScript
Job Vacancy Trend in Sidcup

The job posting trend of jobs advertised in Sidcup citing JavaScript as a proportion of all permanent or contract IT jobs with a match in the Programming Languages category.

Job vacancy trend for JavaScript in Sidcup

JavaScript
Salary Trend in Sidcup

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing JavaScript in Sidcup.

Salary trend for JavaScript in Sidcup

For the 6 months to 30 March 2017, IT jobs citing JavaScript 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 Sidcup region with a requirement for JavaScript.

1 1 (100.00%) C#
1 1 (100.00%) .NET
1 1 (100.00%) CRM
1 1 (100.00%) Microsoft
1 1 (100.00%) Workflow
1 1 (100.00%) Advertising
1 1 (100.00%) Agile Software Development
1 1 (100.00%) TDD
1 1 (100.00%) Dynamics CRM
1 1 (100.00%) Integration Testing
1 1 (100.00%) BDD

JavaScript
Co-occurring IT Skills in Sidcup 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:

Business Applications
1 1 (100.00%) Dynamics CRM
General
1 1 (100.00%) Advertising
Job Titles
1 1 (100.00%) CRM Developer
1 1 (100.00%) Developer
1 1 (100.00%) Dynamics CRM Developer
1 1 (100.00%) Microsoft Developer
Libraries, Frameworks & Software Standards
1 1 (100.00%) .NET
Processes & Methodologies
1 1 (100.00%) Agile Software Development
1 1 (100.00%) BDD
1 1 (100.00%) CRM
1 1 (100.00%) Integration Testing
1 1 (100.00%) TDD
1 1 (100.00%) Workflow
Programming Languages
1 1 (100.00%) C#
Vendors
1 1 (100.00%) Microsoft