The statistics below represent IT jobs advertised across the Hertfordshire region that had JavaScript Developer featuring in the job title. Included is a guide to the salaries offered over the 3 months to 29 June 2016 with a comparison to same period over 2 years.

3 months to
29 Jun 2016
Same period 2015 Same period 2014
JavaScript Developer
Rank 99 126 117
Rank change year-on-year
+27 -9
Permanent jobs requiring a JavaScript Developer 35 35 42
As % of all permanent IT jobs located in Hertfordshire 1.70% 1.45% 1.61%
As % of the Job Titles category 1.77% 1.49% 1.66%
Number of salaries quoted 34 25 35
Median salary £56,250 £42,500 £45,000
Median salary % change year-on-year
+32.35% -5.55%
90% offered a salary of more than £42,500 £23,500 £33,250
10% offered a salary of more than £62,500 £50,000 £52,500
UK excluding London median salary £40,000 £39,000 £37,500
% change year-on-year
+2.56% +4.00%
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
1975 2356 2536
As % of all permanent IT jobs located in Hertfordshire 96.06% 97.36% 97.16%
Number of salaries quoted 1671 1928 2090
Median salary £45,000 £45,000 £42,500
Median salary % change year-on-year
- +5.88%
90% offered a salary of more than £25,000 £26,000 £26,500
10% offered a salary of more than £65,000 £62,500 £62,500
UK excluding London median salary £41,500 £40,000 £40,000
% change year-on-year
+3.75% -

JavaScript Developer
Jobs Demand Trend in Hertfordshire

The demand trend of job ads across the Hertfordshire region that featured JavaScript Developer in the job title.

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 29 June 2016.

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 median salaries quoted in IT jobs citing JavaScript Developer within the Hertfordshire region over the 3 months to 29 June 2016. 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
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford +14 10 £55,000 +22.22% 3
Waltham Cross - 6 £62,500 -
Welwyn Garden City - 3 £57,500 -
Hemel Hempstead +10 2 £56,250 +33.13%
JavaScript Developer
East of England

JavaScript Developer Skill Set
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 29 June 2016, JavaScript Developer job roles required the following IT skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Hertfordshire region featuring JavaScript Developer in the job title.

1 84 (100.00%) JavaScript
2 75 (89.29%) HTML
3 55 (65.48%) CSS
4 53 (63.10%) HTML5
5 41 (48.81%) Agile Software Development
5 41 (48.81%) Git (software)
5 41 (48.81%) CSS3
6 39 (46.43%) Web Development
6 39 (46.43%) jQuery
7 33 (39.29%) AngularJS
8 32 (38.10%) Scrum
9 28 (33.33%) Java
10 27 (32.14%) RESTful
11 26 (30.95%) Front End Development
11 26 (30.95%) OO
12 25 (29.76%) Software Engineering
13 23 (27.38%) Subversion
13 23 (27.38%) SQL
14 22 (26.19%) SQL Server
14 22 (26.19%) Node.js
15 21 (25.00%) React
15 21 (25.00%) C#
15 21 (25.00%) Web Services
15 21 (25.00%) OOP
16 18 (21.43%) MVC
16 18 (21.43%) .NET
16 18 (21.43%) Spring
17 17 (20.24%) E-Commerce
18 16 (19.05%) XML
18 16 (19.05%) Maven

JavaScript Developer Skill Set
Top Related IT Skills in Hertfordshire 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 9 (10.71%) IIS
2 3 (3.57%) Apache
3 2 (2.38%) CMS
3 2 (2.38%) JBoss
3 2 (2.38%) Tomcat
4 1 (1.19%) Lightstreamer
4 1 (1.19%) WebSphere
Applications
1 1 (1.19%) Adobe Illustrator
1 1 (1.19%) InDesign
1 1 (1.19%) Photoshop
Business Applications
1 1 (1.19%) Magento
Cloud Services
1 9 (10.71%) GitHub
1 9 (10.71%) SaaS
2 2 (2.38%) Google Drive
Communications & Networking
1 3 (3.57%) HTTP
2 2 (2.38%) HTTPS
2 2 (2.38%) Internet
Database & Business Intelligence
1 22 (26.19%) SQL Server
2 7 (8.33%) MySQL
3 1 (1.19%) SQL Server Integration Services
3 1 (1.19%) SQL Server Reporting Services
Development Applications
1 41 (48.81%) Git (software)
2 23 (27.38%) Subversion
3 16 (19.05%) Maven
4 12 (14.29%) gulp
5 11 (13.10%) Bitbucket
6 10 (11.90%) Visual Studio
7 8 (9.52%) JUnit
8 6 (7.14%) Grunt
9 4 (4.76%) Bower
10 3 (3.57%) Jasmine
11 2 (2.38%) Atlassian Bamboo
11 2 (2.38%) Hudson
11 2 (2.38%) Selenium
11 2 (2.38%) VSS/SourceSafe
11 2 (2.38%) WebDriver
12 1 (1.19%) CruiseControl
12 1 (1.19%) JIRA
12 1 (1.19%) Xcode
General
1 5 (5.95%) Finance
2 4 (4.76%) Retail
3 3 (3.57%) Marketing
4 1 (1.19%) Banking
4 1 (1.19%) Legal
Libraries, Frameworks & Software Standards
1 75 (89.29%) HTML
2 55 (65.48%) CSS
3 53 (63.10%) HTML5
4 41 (48.81%) CSS3
5 39 (46.43%) jQuery
6 33 (39.29%) AngularJS
7 27 (32.14%) RESTful
8 22 (26.19%) Node.js
9 21 (25.00%) React
9 21 (25.00%) Web Services
10 18 (21.43%) .NET
10 18 (21.43%) Spring
11 16 (19.05%) XML
12 15 (17.86%) Hibernate
13 13 (15.48%) JPA
14 12 (14.29%) KnockoutJS
14 12 (14.29%) Twitter Bootstrap
15 11 (13.10%) Ajax
15 11 (13.10%) J2EE
16 10 (11.90%) lodash
Miscellaneous
1 2 (2.38%) Analytical Skills
1 2 (2.38%) Computer Science
1 2 (2.38%) RIA
1 2 (2.38%) Social Media
2 1 (1.19%) Animation
2 1 (1.19%) BBC
2 1 (1.19%) Client/Server
2 1 (1.19%) User Experience
Operating Systems
1 1 (1.19%) Linux
1 1 (1.19%) Solaris
1 1 (1.19%) Ubuntu
1 1 (1.19%) Unix
Processes & Methodologies
1 41 (48.81%) Agile Software Development
2 39 (46.43%) Web Development
3 32 (38.10%) Scrum
4 26 (30.95%) Front End Development
4 26 (30.95%) OO
5 25 (29.76%) Software Engineering
6 21 (25.00%) OOP
7 18 (21.43%) MVC
8 17 (20.24%) E-Commerce
9 15 (17.86%) Unit Testing
10 11 (13.10%) SOA
11 7 (8.33%) TDD
12 5 (5.95%) Web Design
13 4 (4.76%) BDD
14 3 (3.57%) ATDD
14 3 (3.57%) DevOps
14 3 (3.57%) Open Source
14 3 (3.57%) Performance Tuning
14 3 (3.57%) Web Accessibility
15 2 (2.38%) High Availability
Programming Languages
1 84 (100.00%) JavaScript
2 28 (33.33%) Java
3 23 (27.38%) SQL
4 21 (25.00%) C#
5 11 (13.10%) C++
6 10 (11.90%) PHP
7 9 (10.71%) ES6
8 8 (9.52%) Python
8 8 (9.52%) Scala
9 5 (5.95%) C
10 3 (3.57%) Perl
10 3 (3.57%) VB.NET
11 2 (2.38%) T-SQL
12 1 (1.19%) Shell Script
12 1 (1.19%) TypeScript
Qualifications
1 4 (4.76%) Degree
Quality Assurance & Compliance
1 3 (3.57%) QA
System Software
1 1 (1.19%) Tivoli Workload Scheduler
Systems Management
1 1 (1.19%) Tivoli
Vendors
1 11 (13.10%) Microsoft
2 8 (9.52%) Oracle
3 6 (7.14%) Twitter
4 3 (3.57%) Google
5 2 (2.38%) Sybase
6 1 (1.19%) Adobe
6 1 (1.19%) Apple
6 1 (1.19%) Facebook
6 1 (1.19%) IBM
6 1 (1.19%) Intershop
6 1 (1.19%) Sitecore
6 1 (1.19%) Sony
6 1 (1.19%) Yahoo!
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