The table below looks at the statistics for the JavaScript Developer role in IT jobs advertised for the Hertfordshire region. Included is a guide to the average salaries offered in IT jobs that have cited JavaScript Developer in their job title over the 3 months to 22 December 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
22 Dec 2014
Same period 2013 Same period 2012
JavaScript Developer
Rank 145 118 163
Rank change year-on-year
-27 +45
Permanent jobs requiring a JavaScript Developer 5 12 2
As % of all permanent IT jobs located in Hertfordshire 0.22% 0.63% 0.066%
As % of the Job Titles category 0.23% 0.66% 0.070%
Number of salaries quoted 4 12 2
Average salary £40,000 £55,000 £62,500
Average salary % change year-on-year
-27.27% -12.00%
90% offered a salary of more than £36,500 £35,000 £56,500
10% offered a salary of more than £57,500 £72,500 £68,500
UK excluding London average salary £40,000 £37,250 £40,000
% change year-on-year
+7.38% -6.87%
JavaScript Developer
East of England

The following table is for comparison with the above and provides statistics for the entire Job Titles category in permanent jobs advertised in the Hertfordshire region. Most job vacancies include a discernible job title. As such the figures in the first row provide an indication of the total number of permanent jobs in the overall sample.

Job Titles Category
Hertfordshire
Permanent IT job ads with a match in the
Job Titles category
2199 1832 2867
As % of all permanent IT jobs located in Hertfordshire 94.58% 96.73% 95.19%
Number of salaries quoted 1780 1400 2446
Average salary £45,000 £40,000 £42,500
Average salary % change year-on-year
+12.50% -5.88%
90% offered a salary of more than £25,000 £25,000 £25,000
10% offered a salary of more than £64,000 £60,000 £55,000
UK excluding London average salary £40,000 £40,000 £38,500
% change year-on-year
- +3.89%

JavaScript Developer
Jobs Demand Trend in Hertfordshire

This chart provides a 3-month moving total of permanent IT jobs citing JavaScript Developer in the job title across the Hertfordshire region as a proportion of the total demand within the Job Titles category.

JavaScript Developer Jobs Demand Trend in Hertfordshire

JavaScript Developer
Salary Trend in Hertfordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing JavaScript Developer across the Hertfordshire region.

JavaScript Developer Salary Trend in Hertfordshire

JavaScript Developer
Salary Histogram in Hertfordshire

This chart provides a salary histogram for IT jobs citing JavaScript Developer across the Hertfordshire region over the 3 months to 22 December 2014.

JavaScript Developer Salary Histogram in Hertfordshire

JavaScript Developer
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing JavaScript Developer within the Hertfordshire region over the 3 months to 22 December 2014. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Rickmansworth - 3 £40,000 -
Letchworth - 1 £35,000 -
JavaScript Developer
East of England

JavaScript Developer
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 22 December 2014, IT jobs across the Hertfordshire region that cited JavaScript Developer in their job title mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled with JavaScript Developer in their job title.

1 8 (100.00%) JavaScript
2 7 (87.50%) HTML
2 7 (87.50%) AngularJS
3 6 (75.00%) HTML5
3 6 (75.00%) Backbone.js
3 6 (75.00%) jQuery
4 5 (62.50%) JSON
4 5 (62.50%) CSS
5 4 (50.00%) KnockoutJS
5 4 (50.00%) CSS3
5 4 (50.00%) User Experience
6 3 (37.50%) Underscore.js
6 3 (37.50%) D3.js
6 3 (37.50%) Facebook
6 3 (37.50%) Responsive Web Design
6 3 (37.50%) Mustache
6 3 (37.50%) MVVM
6 3 (37.50%) Git (software)
6 3 (37.50%) Visualisation
6 3 (37.50%) Java
6 3 (37.50%) Scrum
6 3 (37.50%) Refactoring
6 3 (37.50%) Ext JS
6 3 (37.50%) Agile Software Development
6 3 (37.50%) Subversion
6 3 (37.50%) Google
7 2 (25.00%) Web Development
7 2 (25.00%) Ajax
7 2 (25.00%) TDD
7 2 (25.00%) Dojo

JavaScript Developer
Top Related IT Skills in Hertfordshire by Category

For the 6 months to 22 December 2014, IT jobs across the Hertfordshire region that cited JavaScript Developer in their job title mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled with JavaScript Developer in their job title. Up to 20 skills are shown per category.

Application Platforms
1 1 (12.50%) JBoss
1 1 (12.50%) Tomcat
1 1 (12.50%) Node.js
Cloud Services
1 2 (25.00%) SaaS
Database & Business Intelligence
1 1 (12.50%) NoSQL
1 1 (12.50%) Big Data
Development Applications
1 3 (37.50%) Subversion
1 3 (37.50%) Git (software)
2 1 (12.50%) Grunt
2 1 (12.50%) Bower
Libraries, Frameworks & Software Standards
1 7 (87.50%) HTML
1 7 (87.50%) AngularJS
2 6 (75.00%) HTML5
2 6 (75.00%) Backbone.js
2 6 (75.00%) jQuery
3 5 (62.50%) JSON
3 5 (62.50%) CSS
4 4 (50.00%) KnockoutJS
4 4 (50.00%) CSS3
5 3 (37.50%) Underscore.js
5 3 (37.50%) D3.js
5 3 (37.50%) Mustache
5 3 (37.50%) Ext JS
6 2 (25.00%) Dojo
6 2 (25.00%) GWT
6 2 (25.00%) XHTML
6 2 (25.00%) Ajax
6 2 (25.00%) Ember.js
7 1 (12.50%) .NET
Miscellaneous
1 4 (50.00%) User Experience
2 3 (37.50%) Visualisation
3 1 (12.50%) Mobile App
3 1 (12.50%) Analytical Skills
3 1 (12.50%) iPhone
Operating Systems
1 1 (12.50%) Linux
Processes & Methodologies
1 3 (37.50%) Scrum
1 3 (37.50%) Agile Software Development
1 3 (37.50%) Refactoring
1 3 (37.50%) MVVM
1 3 (37.50%) Responsive Web Design
2 2 (25.00%) Test Automation
2 2 (25.00%) Product Management
2 2 (25.00%) Web Development
2 2 (25.00%) OOP
2 2 (25.00%) OO
2 2 (25.00%) TDD
3 1 (12.50%) Content Management
3 1 (12.50%) Software Engineering
3 1 (12.50%) Web Analytics
3 1 (12.50%) Test Scripting
3 1 (12.50%) Analytics
Programming Languages
1 8 (100.00%) JavaScript
2 3 (37.50%) Java
3 1 (12.50%) PHP
3 1 (12.50%) SQL
Vendors
1 3 (37.50%) Google
1 3 (37.50%) Facebook