The following table provides summary statistics for permanent job vacancies advertised in Chiswick 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 26 June 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
London / Chiswick
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 21 - 8
Rank change year-on-year - 0  
Permanent jobs citing JavaScript 3 0 11
As % of all permanent IT jobs advertised in Chiswick 4.29% - 17.74%
As % of the Programming Languages category 6.82% - 39.29%
Number of salaries quoted 3 0 11
Median salary £38,000 - £37,500
UK excluding London median salary £40,000 £40,000 £39,000
% change year-on-year - +2.56%  

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 Chiswick with a requirement for programming language skills.

Programming Language Skills
Chiswick
Permanent job vacancies with a requirement for programming language skills 44 24 28
As % of all permanent IT job vacancies advertised in Chiswick 62.86% 60.00% 45.16%
Number of salaries quoted 44 21 27
Median salary £57,500 £55,000 £40,000
Median salary % change year-on-year +4.54% +37.50%  
90% offered a salary of more than £44,900 £50,050 £37,500
10% offered a salary of more than £70,000 £60,000 £72,500
UK excluding London median salary £42,500 £41,000 £40,000
% change year-on-year +3.65% +2.50%  

JavaScript
Job Vacancy Trend in Chiswick

The job posting trend of jobs advertised in Chiswick 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 Chiswick

JavaScript
Salary Trend in Chiswick

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

Salary trend for JavaScript in Chiswick

JavaScript
Salary Histogram in Chiswick

The salary distribution of IT jobs citing JavaScript in Chiswick over the 3 months to 26 June 2017.

Salary histogram for JavaScript in Chiswick

For the 6 months to 26 June 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 Chiswick region with a requirement for JavaScript.

1 3 (75.00%) C#
1 3 (75.00%) .NET
1 3 (75.00%) ASP.NET
2 2 (50.00%) SQL Server
2 2 (50.00%) Windows
2 2 (50.00%) ASP.NET MVC
2 2 (50.00%) MVC
2 2 (50.00%) SQL Server 2008
2 2 (50.00%) XML
3 1 (25.00%) XSLT
3 1 (25.00%) Microsoft Azure
3 1 (25.00%) Telecoms
3 1 (25.00%) Advertising
3 1 (25.00%) Publishing
3 1 (25.00%) Agile Software Development
3 1 (25.00%) Web Development
3 1 (25.00%) .NET Framework
3 1 (25.00%) Degree
3 1 (25.00%) Computer Science
3 1 (25.00%) Capacity Planning
3 1 (25.00%) HTML5
3 1 (25.00%) MongoDB
3 1 (25.00%) RabbitMQ
3 1 (25.00%) REST
3 1 (25.00%) Twitter
3 1 (25.00%) Jasmine
3 1 (25.00%) AngularJS
3 1 (25.00%) Twitter Bootstrap
3 1 (25.00%) Cybersecurity
3 1 (25.00%) Karma Test Runner

JavaScript
Co-occurring IT Skills in Chiswick 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 1 (25.00%) Microsoft Azure
Database & Business Intelligence
1 2 (50.00%) SQL Server
1 2 (50.00%) SQL Server 2008
2 1 (25.00%) MongoDB
2 1 (25.00%) Relational Database
Development Applications
1 1 (25.00%) Jasmine
1 1 (25.00%) Karma Test Runner
General
1 1 (25.00%) Advertising
1 1 (25.00%) Publishing
1 1 (25.00%) Telecoms
Job Titles
1 2 (50.00%) Developer
2 1 (25.00%) Analyst
2 1 (25.00%) Applications Support
2 1 (25.00%) Applications Support Analyst
2 1 (25.00%) Head of Communications
2 1 (25.00%) Head of Development
2 1 (25.00%) Head of Digital
2 1 (25.00%) IT Support
2 1 (25.00%) Java Developer
2 1 (25.00%) Junior
2 1 (25.00%) Junior Developer
2 1 (25.00%) Junior Java Developer
2 1 (25.00%) Software Analyst
2 1 (25.00%) Software Support Analyst
2 1 (25.00%) SQL Analyst
2 1 (25.00%) SQL Support Analyst
2 1 (25.00%) Support Analyst
Libraries, Frameworks & Software Standards
1 3 (75.00%) .NET
1 3 (75.00%) ASP.NET
2 2 (50.00%) ASP.NET MVC
2 2 (50.00%) XML
3 1 (25.00%) .NET Framework
3 1 (25.00%) AngularJS
3 1 (25.00%) CSS
3 1 (25.00%) HTML
3 1 (25.00%) HTML5
3 1 (25.00%) HTML5 Boilerplate
3 1 (25.00%) RabbitMQ
3 1 (25.00%) React
3 1 (25.00%) REST
3 1 (25.00%) Twitter Bootstrap
3 1 (25.00%) XSLT
Miscellaneous
1 1 (25.00%) Computer Science
Operating Systems
1 2 (50.00%) Windows
Processes & Methodologies
1 2 (50.00%) MVC
2 1 (25.00%) Agile Software Development
2 1 (25.00%) B2B
2 1 (25.00%) Capacity Planning
2 1 (25.00%) Cross-Browser Compatibility
2 1 (25.00%) Cross-Browser Development
2 1 (25.00%) Cybersecurity
2 1 (25.00%) DevOps
2 1 (25.00%) Microservices
2 1 (25.00%) Server Monitoring
2 1 (25.00%) Web Development
Programming Languages
1 3 (75.00%) C#
2 1 (25.00%) Java
2 1 (25.00%) SQL
2 1 (25.00%) XQuery
Qualifications
1 1 (25.00%) Degree
Vendors
1 1 (25.00%) Microsoft
1 1 (25.00%) Twitter