Period
to 23 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Twickenham 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 23 November 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 13 5 7
Rank change year-on-year -8 +2 +9
Permanent jobs citing JavaScript 20 36 41
As % of all permanent IT jobs advertised in Twickenham 12.50% 26.67% 24.40%
As % of the Programming Languages category 21.28% 44.44% 32.80%
Number of salaries quoted 20 36 78
Twickenham median annual salary £51,250 £42,500 £50,000
Median salary % change year-on-year +20.59% -15.00% +53.85%
10th Percentile £27,500 £28,750 £36,000
90th Percentile £67,500 £61,250 £61,125
Richmond upon Thames median annual salary £55,000 £42,500 £45,000
% change year-on-year +29.41% -5.56% +12.50%

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 Twickenham with a requirement for coding skills.

All Programming Languages
Twickenham
Permanent vacancies with a requirement for coding skills 94 81 125
As % of all permanent IT jobs advertised in Twickenham 58.75% 60.00% 74.40%
Number of salaries quoted 83 76 122
Twickenham median annual salary £50,000 £42,500 £47,500
Median salary % change year-on-year +17.65% -10.53% -
10th Percentile £32,500 £28,000 £33,075
90th Percentile £67,500 £61,250 £65,000
Richmond upon Thames median annual salary £50,000 £43,500 £47,500
% change year-on-year +14.94% -8.42% +13.10%

JavaScript
Job Vacancy Trend in Twickenham

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

Job vacancy trend for JavaScript in Twickenham

JavaScript
Salary Trend in Twickenham

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

Salary trend for JavaScript in Twickenham

JavaScript
Salary Histogram in Twickenham

The salary distribution of IT jobs citing JavaScript in Twickenham over the 6 months to 23 November 2017.

Salary histogram for JavaScript in Twickenham

For the 6 months to 23 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 Twickenham region with a requirement for JavaScript.

1 19 (95.00%) HTML
1 19 (95.00%) CSS
2 18 (90.00%) jQuery
3 17 (85.00%) HTML5
4 15 (75.00%) .NET
4 15 (75.00%) C#
4 15 (75.00%) ASP.NET
4 15 (75.00%) MVC
4 15 (75.00%) Ajax
5 11 (55.00%) Agile Software Development
5 11 (55.00%) AngularJS
6 10 (50.00%) User Experience
6 10 (50.00%) CSS3
7 9 (45.00%) Front End Development
8 8 (40.00%) CMS
8 8 (40.00%) Microsoft
9 7 (35.00%) Windows
9 7 (35.00%) IIS
9 7 (35.00%) Visual Studio
9 7 (35.00%) Scrum
9 7 (35.00%) Marketing
9 7 (35.00%) Windows Server
9 7 (35.00%) React
9 7 (35.00%) Continuous Delivery
9 7 (35.00%) Razor View Engine
9 7 (35.00%) KnockoutJS
9 7 (35.00%) Microsoft Azure
9 7 (35.00%) ASP.NET MVC
9 7 (35.00%) Umbraco
9 7 (35.00%) Kanban

JavaScript
Co-occurring IT Skills in Twickenham 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 8 (40.00%) CMS
2 7 (35.00%) IIS
2 7 (35.00%) Umbraco
Applications
1 3 (15.00%) Photoshop
Cloud Services
1 7 (35.00%) Microsoft Azure
2 1 (5.00%) Google Analytics
2 1 (5.00%) Google Cloud Platform
2 1 (5.00%) Google Tag Manager
Development Applications
1 7 (35.00%) Visual Studio
2 3 (15.00%) Jasmine
3 1 (5.00%) JIRA
3 1 (5.00%) Selenium
3 1 (5.00%) YouTrack
General
1 7 (35.00%) Marketing
Job Titles
1 17 (85.00%) Developer
2 9 (45.00%) Front End Developer (Client-Side Developer)
3 8 (40.00%) .NET Developer
4 7 (35.00%) Angular Developer
4 7 (35.00%) ASP.NET Developer
4 7 (35.00%) HTML CSS Developer
4 7 (35.00%) HTML Developer
5 1 (5.00%) Analyst
5 1 (5.00%) ASP.NET MVC Developer
5 1 (5.00%) Google Analytics Analyst
5 1 (5.00%) Software Engineer
5 1 (5.00%) Test Engineer
Libraries, Frameworks & Software Standards
1 19 (95.00%) CSS
1 19 (95.00%) HTML
2 18 (90.00%) jQuery
3 17 (85.00%) HTML5
4 15 (75.00%) .NET
4 15 (75.00%) Ajax
4 15 (75.00%) ASP.NET
5 11 (55.00%) AngularJS
6 10 (50.00%) CSS3
7 7 (35.00%) ASP.NET MVC
7 7 (35.00%) KnockoutJS
7 7 (35.00%) Razor View Engine
7 7 (35.00%) React
8 3 (15.00%) Highcharts JS
9 1 (5.00%) .NET Framework
9 1 (5.00%) ASP.NET Web Forms
9 1 (5.00%) Web Services
9 1 (5.00%) XHTML
Miscellaneous
1 10 (50.00%) User Experience
2 1 (5.00%) Greenfield Project
Operating Systems
1 7 (35.00%) Windows
1 7 (35.00%) Windows Server
Processes & Methodologies
1 15 (75.00%) MVC
2 11 (55.00%) Agile Software Development
3 9 (45.00%) Front End Development
4 7 (35.00%) Continuous Delivery
4 7 (35.00%) Kanban
4 7 (35.00%) Scrum
5 3 (15.00%) Continuous Integration
5 3 (15.00%) Unit Testing
6 1 (5.00%) Analytics
6 1 (5.00%) Continuous Improvement
6 1 (5.00%) Cross-Browser Testing
6 1 (5.00%) Performance Testing
6 1 (5.00%) Security Testing
6 1 (5.00%) Software Engineering
6 1 (5.00%) Software Testing
6 1 (5.00%) Test Automation
6 1 (5.00%) Test Scripting
6 1 (5.00%) Test Strategy
6 1 (5.00%) User Stories
6 1 (5.00%) Web Analytics
Programming Languages
1 15 (75.00%) C#
2 1 (5.00%) SQL
2 1 (5.00%) T-SQL
Vendors
1 8 (40.00%) Microsoft
2 1 (5.00%) Google
2 1 (5.00%) Tealium