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 25 September 2016 with a comparison to same period over 2 years.

3 months to
25 Sep 2016
Same period 2015 Same period 2014
JavaScript Developer
Rank 86 113 125
Rank change year-on-year
+27 +12
Permanent jobs requiring a JavaScript Developer 50 41 22
As % of all permanent IT jobs located in Hertfordshire 2.50% 1.70% 0.95%
As % of the Job Titles category 2.57% 1.77% 0.97%
Number of salaries quoted 49 41 22
Median salary £55,000 £45,000 £40,000
Median salary % change year-on-year
+22.22% +12.50%
90% offered a salary of more than £39,500 £30,000 £30,000
10% offered a salary of more than £62,500 £57,500 £56,750
UK excluding London median salary £40,000 £40,000 £37,500
% change year-on-year
- +6.66%
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
1943 2322 2264
As % of all permanent IT jobs located in Hertfordshire 97.05% 96.47% 97.54%
Number of salaries quoted 1664 2014 1875
Median salary £45,000 £45,000 £45,000
90% offered a salary of more than £26,000 £26,000 £25,500
10% offered a salary of more than £67,500 £65,000 £65,000
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year
+6.25% -

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 25 September 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 25 September 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 +32 23 £55,000 +120.00% 6
Waltham Cross +1 9 £62,500 +47.05%
Hemel Hempstead 0 8 £47,500 -
Royston -5 4 £40,000 +33.33% 1
Harpenden - 2 £50,000 -
Stevenage +1 1 £55,000 +37.50%
Hertford - 1 £57,500 -
JavaScript Developer
East of England

JavaScript Developer Skill Set
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 25 September 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 49 (58.33%) HTML5
4 45 (53.57%) CSS
5 43 (51.19%) AngularJS
5 43 (51.19%) jQuery
6 42 (50.00%) Agile Software Development
7 33 (39.29%) Web Development
7 33 (39.29%) Java
8 32 (38.10%) Web Services
8 32 (38.10%) Scrum
8 32 (38.10%) gulp
9 31 (36.90%) OO
9 31 (36.90%) SQL Server
10 30 (35.71%) MVC
11 29 (34.52%) Git (software)
12 28 (33.33%) RESTful
12 28 (33.33%) Unit Testing
12 28 (33.33%) SQL
13 27 (32.14%) Software Engineering
13 27 (32.14%) Node.js
13 27 (32.14%) CSS3
14 26 (30.95%) C#
15 25 (29.76%) Twitter Bootstrap
16 23 (27.38%) OOP
17 22 (26.19%) .NET
18 20 (23.81%) React
19 17 (20.24%) ES6
19 17 (20.24%) Microsoft
19 17 (20.24%) Subversion

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 14 (16.67%) IIS
2 10 (11.90%) Tomcat
3 3 (3.57%) Apache
3 3 (3.57%) Lightstreamer
4 2 (2.38%) WebSphere
5 1 (1.19%) JBoss
Applications
1 4 (4.76%) Adobe Illustrator
1 4 (4.76%) Photoshop
Cloud Services
1 15 (17.86%) SaaS
2 3 (3.57%) GitHub
Communications & Networking
1 3 (3.57%) FTP
1 3 (3.57%) HTTP
1 3 (3.57%) SSH
2 1 (1.19%) HTTPS
Database & Business Intelligence
1 31 (36.90%) SQL Server
2 6 (7.14%) MySQL
2 6 (7.14%) SQL Server 2014
3 3 (3.57%) Data Warehouse
Development Applications
1 32 (38.10%) gulp
2 29 (34.52%) Git (software)
3 17 (20.24%) Subversion
4 16 (19.05%) Bitbucket
5 15 (17.86%) Maven
6 14 (16.67%) Visual Studio
7 12 (14.29%) Grunt
8 7 (8.33%) WebDriver
9 6 (7.14%) JBehave
9 6 (7.14%) Karma Test Runner
10 5 (5.95%) JUnit
11 2 (2.38%) Bower
11 2 (2.38%) Hudson
12 1 (1.19%) Selenium
General
1 5 (5.95%) Finance
1 5 (5.95%) Marketing
2 3 (3.57%) Retail
3 2 (2.38%) Banking
Libraries, Frameworks & Software Standards
1 75 (89.29%) HTML
2 49 (58.33%) HTML5
3 45 (53.57%) CSS
4 43 (51.19%) AngularJS
4 43 (51.19%) jQuery
5 32 (38.10%) Web Services
6 28 (33.33%) RESTful
7 27 (32.14%) CSS3
7 27 (32.14%) Node.js
8 25 (29.76%) Twitter Bootstrap
9 22 (26.19%) .NET
10 20 (23.81%) React
11 16 (19.05%) lodash
11 16 (19.05%) Spring
12 14 (16.67%) Ajax
13 12 (14.29%) Backbone.js
14 11 (13.10%) J2EE
14 11 (13.10%) JAX-RS
14 11 (13.10%) KnockoutJS
15 10 (11.90%) REST
Miscellaneous
1 5 (5.95%) User Experience
2 4 (4.76%) Client/Server
3 3 (3.57%) Enterprise Software
4 2 (2.38%) Analytical Skills
5 1 (1.19%) Computer Science
5 1 (1.19%) Driving Licence
Operating Systems
1 2 (2.38%) Solaris
1 2 (2.38%) Unix
Processes & Methodologies
1 42 (50.00%) Agile Software Development
2 33 (39.29%) Web Development
3 32 (38.10%) Scrum
4 31 (36.90%) OO
5 30 (35.71%) MVC
6 28 (33.33%) Unit Testing
7 27 (32.14%) Software Engineering
8 23 (27.38%) OOP
9 16 (19.05%) Front End Development
10 7 (8.33%) E-Commerce
10 7 (8.33%) Performance Tuning
11 5 (5.95%) Business Analysis
12 3 (3.57%) High Availability
12 3 (3.57%) Open Source
13 1 (1.19%) BDD
13 1 (1.19%) ERP
13 1 (1.19%) Multithreading
13 1 (1.19%) Project Management
13 1 (1.19%) SOA
13 1 (1.19%) TDD
Programming Languages
1 84 (100.00%) JavaScript
2 33 (39.29%) Java
3 28 (33.33%) SQL
4 26 (30.95%) C#
5 17 (20.24%) ES6
6 9 (10.71%) C++
7 8 (9.52%) Python
7 8 (9.52%) Scala
8 7 (8.33%) Ruby
9 5 (5.95%) TypeScript
10 3 (3.57%) ABAP
10 3 (3.57%) C
11 2 (2.38%) PHP
11 2 (2.38%) Shell Script
12 1 (1.19%) T-SQL
Qualifications
1 2 (2.38%) Degree
System Software
1 2 (2.38%) Tivoli Workload Scheduler
Systems Management
1 2 (2.38%) Tivoli
Vendors
1 17 (20.24%) Microsoft
2 5 (5.95%) Oracle
3 3 (3.57%) SAP
4 2 (2.38%) IBM
5 1 (1.19%) Sitecore
5 1 (1.19%) Sybase
5 1 (1.19%) Telerik
Watford, Hertfordshire
Computer People
Salary: £30000.00 - £40000.00 per annum + Benefits
Posted: 3 days ago
Royston, Hertfordshire
Evolution Recruitment Solutions
Salary: 35-45k + Excellent benefits
Posted: 5 days ago
Watford, Hertfordshire
Preferred Choice
Salary: £45000 - £50000 per annum + Benefits
Posted: 6 days ago
Watford, Hertfordshire
Understanding Recruitment
Posted: 6 days ago
Watford, Hertfordshire
Verticality Ltd
Salary: £50000 - £65000 per annum, Benefits Bonus + Benefits Package
Posted: 5 days ago
Watford, Hertfordshire
Verticality Ltd
Salary: £45000 - £65000 per annum, Benefits Bonus + Comprehensive Benefits
Posted: 5 days ago
Watford, Hertfordshire
Verticality Ltd
Salary: £55000 - £65000 per annum, Benefits Bonus + Benefits Package
Posted: 5 days ago
Hertfordshire
Greywood Associates Limited
Salary: £50000 - £60000 per annum + Benefits
Posted: 5 days ago