The statistics below represent IT contracts advertised across the Hertfordshire region that had JavaScript Developer featuring in the job title. Included is a guide to the contractor rates offered over the 3 months to 25 May 2016 with a comparison to same period over 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
25 May 2016
Same period 2015 Same period 2014
JavaScript Developer
Rank 41 38 39
Rank change year-on-year
-3 +1
Contract jobs requiring a JavaScript Developer 13 28 26
As % of all contract IT jobs located in Hertfordshire 1.95% 3.76% 3.74%
As % of the Job Titles category 2.05% 4.06% 4.09%
Number of daily rates quoted 10 15 17
Median daily rate £320 £375 £375
Median daily rate % change year-on-year
-14.66% -
90% offered a daily rate of more than £309 £288 £334
10% offered a daily rate of more than £452 £450 £422
UK excluding London median daily rate £370 £338 £333
% change year-on-year
+9.62% +1.50%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £32.52 £22.00 £30.00
% change year-on-year
+47.81% -26.66%
JavaScript Developer
East of England

The following table is for comparison with the above and provides statistics for the entire Job Titles category in contract 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 contract jobs in the overall sample.

Job Titles Category
Hertfordshire
Contract IT job ads with a match in the
Job Titles category
634 690 636
As % of all contract IT jobs located in Hertfordshire 95.20% 92.74% 91.51%
Number of daily rates quoted 298 353 318
Median daily rate £400 £390 £360
Median daily rate % change year-on-year
+2.56% +8.33%
90% offered a daily rate of more than £200 £225 £190
10% offered a daily rate of more than £510 £500 £450
UK excluding London median daily rate £400 £375 £350
% change year-on-year
+6.66% +7.14%
Number of hourly rates quoted 34 46 49
Median hourly rate £13.00 £14.85 £21.00
Median hourly rate % change year-on-year
-12.45% -29.28%
90% offered a hourly rate of more than £8.25 £9.00 £10.50
10% offered a hourly rate of more than £30.60 £35.50 £37.00
UK excluding London median hourly rate £17.50 £16.00 £16.50
% change year-on-year
+9.37% -3.03%

JavaScript Developer
Jobs Demand Trend in Hertfordshire

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

JavaScript Developer Jobs Demand Trend in Hertfordshire

JavaScript Developer
Daily Rate Trend in Hertfordshire

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

JavaScript Developer Daily Rate Trend in Hertfordshire

JavaScript Developer
Daily Rate Histogram in Hertfordshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing JavaScript Developer across the Hertfordshire region over the 3 months to 25 May 2016.

JavaScript Developer Daily Rate Histogram in Hertfordshire

JavaScript Developer
Hourly Rate Trend in Hertfordshire

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

JavaScript Developer Hourly Rate Trend in Hertfordshire

JavaScript Developer
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript Developer within the Hertfordshire region over the 3 months to 25 May 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
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford +5 8 £310 -18.15% 3
Hemel Hempstead -1 1 £325 -31.57%
JavaScript Developer
East of England

JavaScript Developer Skill Set
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 25 May 2016, JavaScript Developer contract jobs required the following IT skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Hertfordshire region featuring JavaScript Developer in the job title.

1 20 (100.00%) JavaScript
2 19 (95.00%) CSS
3 18 (90.00%) HTML
4 14 (70.00%) AngularJS
5 12 (60.00%) Front End Development
6 11 (55.00%) jQuery
7 9 (45.00%) E-Commerce
8 8 (40.00%) HTML5
8 8 (40.00%) CSS3
9 7 (35.00%) Sass
9 7 (35.00%) LESS
10 5 (25.00%) GitHub
10 5 (25.00%) Agile Software Development
10 5 (25.00%) Web Development
10 5 (25.00%) Retail
11 4 (20.00%) MVC
11 4 (20.00%) PHP
11 4 (20.00%) React
12 3 (15.00%) Java
13 2 (10.00%) TDD
13 2 (10.00%) Mocha
13 2 (10.00%) Telecoms
13 2 (10.00%) Finance
13 2 (10.00%) XML
13 2 (10.00%) SQL
13 2 (10.00%) SOA
13 2 (10.00%) PostgreSQL
13 2 (10.00%) Karma Test Runner
13 2 (10.00%) TypeScript
13 2 (10.00%) Mentoring

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 2 (10.00%) Node.js
2 1 (5.00%) Apache
2 1 (5.00%) CMS
2 1 (5.00%) JBoss
2 1 (5.00%) Tomcat
Cloud Services
1 5 (25.00%) GitHub
Communications & Networking
1 1 (5.00%) HTTP
1 1 (5.00%) HTTPS
Database & Business Intelligence
1 2 (10.00%) PostgreSQL
2 1 (5.00%) MongoDB
2 1 (5.00%) MySQL
2 1 (5.00%) SQL Server
Development Applications
1 2 (10.00%) Jasmine
1 2 (10.00%) Karma Test Runner
1 2 (10.00%) Mocha
2 1 (5.00%) Git (software)
2 1 (5.00%) Visual Studio
2 1 (5.00%) Xcode
General
1 5 (25.00%) Retail
2 2 (10.00%) Finance
2 2 (10.00%) Marketing
2 2 (10.00%) Telecoms
3 1 (5.00%) Automotive
Libraries, Frameworks & Software Standards
1 19 (95.00%) CSS
2 18 (90.00%) HTML
3 14 (70.00%) AngularJS
4 11 (55.00%) jQuery
5 8 (40.00%) CSS3
5 8 (40.00%) HTML5
6 7 (35.00%) LESS
6 7 (35.00%) Sass
7 4 (20.00%) React
8 2 (10.00%) Angular 2
8 2 (10.00%) Backbone.js
8 2 (10.00%) Express
8 2 (10.00%) KnockoutJS
8 2 (10.00%) XML
9 1 (5.00%) .NET Framework
9 1 (5.00%) Ajax
9 1 (5.00%) Hibernate
9 1 (5.00%) NHibernate
9 1 (5.00%) Spring
9 1 (5.00%) XHTML
Miscellaneous
1 2 (10.00%) User Experience
2 1 (5.00%) Analytical Skills
Processes & Methodologies
1 12 (60.00%) Front End Development
2 9 (45.00%) E-Commerce
3 5 (25.00%) Agile Software Development
3 5 (25.00%) Web Development
4 4 (20.00%) MVC
5 2 (10.00%) Mentoring
5 2 (10.00%) SOA
5 2 (10.00%) TDD
5 2 (10.00%) Wireframes
6 1 (5.00%) API Integration
6 1 (5.00%) Cross-Browser Development
6 1 (5.00%) ERP
6 1 (5.00%) Human Factors
6 1 (5.00%) Project Management
6 1 (5.00%) Scrum
6 1 (5.00%) SEO
6 1 (5.00%) SOLID
6 1 (5.00%) Web Design
6 1 (5.00%) XML Parsing
Programming Languages
1 20 (100.00%) JavaScript
2 4 (20.00%) PHP
3 3 (15.00%) Java
4 2 (10.00%) SQL
4 2 (10.00%) TypeScript
5 1 (5.00%) C
5 1 (5.00%) C#
5 1 (5.00%) T-SQL
Vendors
1 1 (5.00%) Intershop
1 1 (5.00%) PeopleSoft
1 1 (5.00%) Sybase