Period
to 18 November 2017

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 6 months to 18 November 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
Hounslow > Chiswick
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 26 26 35
Rank change year-on-year 0 +9 -29
Permanent jobs citing JavaScript 4 8 4
As % of all permanent IT jobs advertised in Chiswick 4.30% 6.35% 3.10%
As % of the Programming Languages category 6.06% 11.11% 6.35%
Number of salaries quoted 4 8 4
Chiswick median annual salary £53,750 £55,000 £37,500
Median salary % change year-on-year -2.27% +46.67% +3.45%
10th Percentile £37,175 £42,250 £32,750
90th Percentile £68,250 £62,500 £38,750
Hounslow median annual salary £54,875 £50,000 £42,500
% change year-on-year +9.75% +17.65% -19.05%

JavaScript is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Chiswick with a requirement for coding skills.

All Programming Languages
Chiswick
Permanent vacancies with a requirement for coding skills 66 72 63
As % of all permanent IT jobs advertised in Chiswick 70.97% 57.14% 48.84%
Number of salaries quoted 66 70 62
Chiswick median annual salary £55,000 £55,000 £45,000
Median salary % change year-on-year - +22.22% +5.26%
10th Percentile £45,500 £40,250 £27,000
90th Percentile £78,750 £77,500 £65,000
Hounslow median annual salary £52,500 £50,000 £45,000
% change year-on-year +5.00% +11.11% -10.00%

JavaScript
Job Vacancy Trend in Chiswick

Job postings citing JavaScript as a percentage of all IT jobs advertised in Chiswick.

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 6 months to 18 November 2017.

Salary histogram for JavaScript in Chiswick

For the 6 months to 18 November 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 4 (100.00%) .NET
1 4 (100.00%) MVC
2 3 (75.00%) .NET Framework
2 3 (75.00%) AngularJS
2 3 (75.00%) React
3 2 (50.00%) gulp
3 2 (50.00%) ES6
3 2 (50.00%) TypeScript
3 2 (50.00%) User Experience
3 2 (50.00%) SQL
3 2 (50.00%) RequireJS
3 2 (50.00%) Apache Cordova
3 2 (50.00%) Laravel
3 2 (50.00%) Backbone.js
3 2 (50.00%) Responsive Web Design
3 2 (50.00%) Sass
3 2 (50.00%) Agile Software Development
3 2 (50.00%) Ajax
3 2 (50.00%) Web Development
3 2 (50.00%) ASP.NET MVC
3 2 (50.00%) HTML5
3 2 (50.00%) JSON
3 2 (50.00%) Ergonomics
3 2 (50.00%) Computer Science
3 2 (50.00%) SEO
3 2 (50.00%) Zend
3 2 (50.00%) jQuery
3 2 (50.00%) Oracle
3 2 (50.00%) Internet
3 2 (50.00%) Python

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
1 1 (25.00%) SaaS
Communications & Networking
1 2 (50.00%) HTTP
1 2 (50.00%) Internet
Database & Business Intelligence
1 1 (25.00%) MongoDB
1 1 (25.00%) SQL Server
1 1 (25.00%) SQL Server 2008
Development Applications
1 2 (50.00%) gulp
2 1 (25.00%) Vagrant
Job Titles
1 4 (100.00%) Developer
2 1 (25.00%) Front End Developer (Client-Side Developer)
2 1 (25.00%) Full Stack Developer
2 1 (25.00%) IT Support
2 1 (25.00%) PHP Developer
2 1 (25.00%) Principal Developer
2 1 (25.00%) SQL Developer
2 1 (25.00%) UI Developer
2 1 (25.00%) UI/UX Developer
2 1 (25.00%) UX Developer
Libraries, Frameworks & Software Standards
1 4 (100.00%) .NET
2 3 (75.00%) .NET Framework
2 3 (75.00%) AngularJS
2 3 (75.00%) React
3 2 (50.00%) Ajax
3 2 (50.00%) Apache Cordova
3 2 (50.00%) ASP.NET
3 2 (50.00%) ASP.NET MVC
3 2 (50.00%) Backbone.js
3 2 (50.00%) CSS
3 2 (50.00%) HTML
3 2 (50.00%) HTML5
3 2 (50.00%) jQuery
3 2 (50.00%) JSON
3 2 (50.00%) Laravel
3 2 (50.00%) RequireJS
3 2 (50.00%) Sass
4 1 (25.00%) RabbitMQ
4 1 (25.00%) XML
4 1 (25.00%) XSLT
Miscellaneous
1 2 (50.00%) Computer Science
1 2 (50.00%) User Experience
Operating Systems
1 1 (25.00%) Windows
Processes & Methodologies
1 4 (100.00%) MVC
2 2 (50.00%) Agile Software Development
2 2 (50.00%) Ergonomics
2 2 (50.00%) Responsive Web Design
2 2 (50.00%) SEO
2 2 (50.00%) Web Development
3 1 (25.00%) Configuration Management
3 1 (25.00%) Cybersecurity
3 1 (25.00%) DevOps
3 1 (25.00%) Front End Development
3 1 (25.00%) Microservices
3 1 (25.00%) Scrum
Programming Languages
1 2 (50.00%) C#
1 2 (50.00%) ES6
1 2 (50.00%) Java
1 2 (50.00%) PHP
1 2 (50.00%) Python
1 2 (50.00%) SQL
1 2 (50.00%) TypeScript
2 1 (25.00%) PL/SQL
2 1 (25.00%) XQuery
Quality Assurance & Compliance
1 1 (25.00%) QA
System Software
1 1 (25.00%) Docker
Vendors
1 2 (50.00%) Oracle
1 2 (50.00%) Zend
2 1 (25.00%) Microsoft