The statistics below represent IT contracts advertised across the City of London region that had JavaScript Developer featuring in the job title. Included is a guide to the contractor rates offered over the 3 months to 3 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
3 May 2016
Same period 2015 Same period 2014
JavaScript Developer
Rank 82 126 130
Rank change year-on-year
+44 +4
Contract jobs requiring a JavaScript Developer 85 73 82
As % of all contract IT jobs located in the City of London 2.44% 1.33% 1.29%
As % of the Job Titles category 2.57% 1.39% 1.37%
Number of daily rates quoted 77 55 65
Median daily rate £400 £450 £400
Median daily rate % change year-on-year
-11.11% +12.50%
90% offered a daily rate of more than £259 £303 £300
10% offered a daily rate of more than £530 £600 £525
UK excluding London median daily rate £355 £350 £325
% change year-on-year
+1.42% +7.69%
Number of hourly rates quoted 0 1 0
Median hourly rate - £19.72 -
UK excluding London median hourly rate £22.54 - £23.75
JavaScript Developer
London

The following table is for comparison with the above and provides statistics for the entire Job Titles category in contract jobs advertised in the City of London 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
City of London
Contract IT job ads with a match in the
Job Titles category
3312 5248 5997
As % of all contract IT jobs located in the City of London 94.93% 95.63% 94.69%
Number of daily rates quoted 2681 3979 4378
Median daily rate £475 £450 £450
Median daily rate % change year-on-year
+5.55% -
90% offered a daily rate of more than £313 £285 £268
10% offered a daily rate of more than £625 £600 £625
UK excluding London median daily rate £390 £375 £350
% change year-on-year
+4.00% +7.14%
Number of hourly rates quoted 44 81 87
Median hourly rate £20.00 £18.60 £20.00
Median hourly rate % change year-on-year
+7.52% -7.00%
90% offered a hourly rate of more than £12.00 £12.50 £12.30
10% offered a hourly rate of more than £43.57 £29.74 £33.75
UK excluding London median hourly rate £18.28 £17.00 £17.00
% change year-on-year
+7.50% -

JavaScript Developer
Jobs Demand Trend in the City of London

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

JavaScript Developer Jobs Demand Trend in the City of London

JavaScript Developer
Daily Rate Trend in the City of London

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

JavaScript Developer Daily Rate Trend in the City of London

JavaScript Developer
Daily Rate Histogram in the City of London

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

JavaScript Developer Daily Rate Histogram in the City of London

JavaScript Developer
Hourly Rate Trend in the City of London

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

JavaScript Developer Hourly Rate Trend in the City of London

JavaScript Developer Skill Set
Top 30 Related IT Skills in the City of London

For the 6 months to 3 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 City of London region featuring JavaScript Developer in the job title.

1 142 (100.00%) JavaScript
2 116 (81.69%) HTML
3 115 (80.99%) CSS
4 98 (69.01%) HTML5
5 86 (60.56%) CSS3
6 79 (55.63%) AngularJS
7 59 (41.55%) Agile Software Development
7 59 (41.55%) Front End Development
8 50 (35.21%) React
9 48 (33.80%) Node.js
10 45 (31.69%) Backbone.js
10 45 (31.69%) TDD
11 38 (26.76%) Finance
12 34 (23.94%) Sass
13 25 (17.61%) Twitter Bootstrap
13 25 (17.61%) OO
14 24 (16.90%) Java
14 24 (16.90%) BDD
14 24 (16.90%) jQuery
15 23 (16.20%) LESS
15 23 (16.20%) Responsive Web Design
16 21 (14.79%) User Experience
16 21 (14.79%) RequireJS
17 20 (14.08%) PHP
18 19 (13.38%) Git (software)
19 17 (11.97%) JSON
19 17 (11.97%) REST
19 17 (11.97%) Web Development
19 17 (11.97%) gulp
20 16 (11.27%) .NET

JavaScript Developer Skill Set
Top Related IT Skills in the City of London 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 48 (33.80%) Node.js
2 8 (5.63%) CMS
3 3 (2.11%) Adobe Experience Manager
3 3 (2.11%) Drupal
3 3 (2.11%) WordPress
4 1 (0.70%) Apache
4 1 (0.70%) Elasticsearch
4 1 (0.70%) ExpressionEngine
4 1 (0.70%) Jetty
4 1 (0.70%) nginx
4 1 (0.70%) Sitecore CMS
4 1 (0.70%) Umbraco
Applications
1 3 (2.11%) MS Excel
2 1 (0.70%) GIMP
2 1 (0.70%) MS Visio
2 1 (0.70%) Photoshop
Business Applications
1 4 (2.82%) Dynamics CRM
2 2 (1.41%) Eloqua
2 2 (1.41%) Unica
3 1 (0.70%) Eagle PACE
3 1 (0.70%) Magento
3 1 (0.70%) SAP Oil and Gas
Cloud Services
1 3 (2.11%) Microsoft Azure
2 1 (0.70%) Amazon AWS
2 1 (0.70%) GitHub
Communications & Networking
1 6 (4.23%) HTTP
2 5 (3.52%) Network Security
3 4 (2.82%) TCP/IP
Database & Business Intelligence
1 11 (7.75%) MongoDB
2 9 (6.34%) NoSQL
3 4 (2.82%) SQL Server
4 3 (2.11%) MySQL
5 2 (1.41%) Oracle Database
5 2 (1.41%) RavenDB
6 1 (0.70%) Apache Cassandra
6 1 (0.70%) Redis
6 1 (0.70%) Relational Database
6 1 (0.70%) SQL Server 2008
6 1 (0.70%) SQL Server 2012
6 1 (0.70%) SQL Server Integration Services
Development Applications
1 19 (13.38%) Git (software)
2 17 (11.97%) gulp
3 15 (10.56%) Grunt
4 13 (9.15%) Jasmine
5 11 (7.75%) Karma Test Runner
6 10 (7.04%) Selenium
7 9 (6.34%) WebDriver
8 8 (5.63%) Cucumber
8 8 (5.63%) Mocha
9 7 (4.93%) Jenkins
10 6 (4.23%) PhantomJS
11 5 (3.52%) Sinon.JS
12 4 (2.82%) JIRA
12 4 (2.82%) Protractor
13 3 (2.11%) Bower
13 3 (2.11%) Maven
13 3 (2.11%) QUnit
14 2 (1.41%) Atlassian Bamboo
14 2 (1.41%) Team Foundation Server
14 2 (1.41%) Vagrant
General
1 38 (26.76%) Finance
2 11 (7.75%) Games
3 10 (7.04%) Banking
4 8 (5.63%) Investment Banking
5 5 (3.52%) Front Office
6 3 (2.11%) Marketing
7 2 (1.41%) Electronics
7 2 (1.41%) Legal
8 1 (0.70%) Arabic Language
8 1 (0.70%) Financial Institution
8 1 (0.70%) Manufacturing
8 1 (0.70%) Multimedia
8 1 (0.70%) Retail
8 1 (0.70%) Telecoms
Libraries, Frameworks & Software Standards
1 116 (81.69%) HTML
2 115 (80.99%) CSS
3 98 (69.01%) HTML5
4 86 (60.56%) CSS3
5 79 (55.63%) AngularJS
6 50 (35.21%) React
7 45 (31.69%) Backbone.js
8 34 (23.94%) Sass
9 25 (17.61%) Twitter Bootstrap
10 24 (16.90%) jQuery
11 23 (16.20%) LESS
12 21 (14.79%) RequireJS
13 17 (11.97%) JSON
13 17 (11.97%) REST
14 16 (11.27%) .NET
15 15 (10.56%) RESTful
16 12 (8.45%) Web Services
17 10 (7.04%) ASP.NET
18 9 (6.34%) Ember.js
19 7 (4.93%) Ajax
Miscellaneous
1 21 (14.79%) User Experience
2 6 (4.23%) Fintech
2 6 (4.23%) Mobile App
3 5 (3.52%) Digital Media
3 5 (3.52%) W3C
4 4 (2.82%) New Media
5 3 (2.11%) Analytical Skills
5 3 (2.11%) Hedge funds
5 3 (2.11%) NHS
5 3 (2.11%) Online Games
5 3 (2.11%) Social Media
5 3 (2.11%) STB
6 2 (1.41%) Client/Server
6 2 (1.41%) Computer Science
6 2 (1.41%) Fixed Income
6 2 (1.41%) Foreign Exchange (FX)
6 2 (1.41%) Market Risk
6 2 (1.41%) Visualisation
7 1 (0.70%) Life Science
7 1 (0.70%) Mobile Banking
Operating Systems
1 10 (7.04%) Linux
2 2 (1.41%) Android
2 2 (1.41%) Apple iOS
3 1 (0.70%) Ubuntu
Processes & Methodologies
1 59 (41.55%) Agile Software Development
1 59 (41.55%) Front End Development
2 45 (31.69%) TDD
3 25 (17.61%) OO
4 24 (16.90%) BDD
5 23 (16.20%) Responsive Web Design
6 17 (11.97%) Web Development
7 14 (9.86%) Pair Programming
7 14 (9.86%) Progressive Enhancement
7 14 (9.86%) Scrum
8 13 (9.15%) MVC
9 12 (8.45%) CRM
10 9 (6.34%) Kanban
11 8 (5.63%) E-Commerce
12 6 (4.23%) Continuous Integration
13 5 (3.52%) Automated Testing
13 5 (3.52%) ERP
13 5 (3.52%) Unit Testing
14 4 (2.82%) Business Intelligence
14 4 (2.82%) Integration Testing
Programming Languages
1 142 (100.00%) JavaScript
2 24 (16.90%) Java
3 20 (14.08%) PHP
4 14 (9.86%) C#
4 14 (9.86%) SQL
5 9 (6.34%) Ruby
6 5 (3.52%) ES6
6 5 (3.52%) Python
7 4 (2.82%) C++
8 3 (2.11%) ECMAScript
9 2 (1.41%) Scala
9 2 (1.41%) T-SQL
9 2 (1.41%) TypeScript
10 1 (0.70%) Apple Swift
10 1 (0.70%) Groovy
10 1 (0.70%) PowerShell
10 1 (0.70%) Shell Script
Qualifications
1 5 (3.52%) Degree
Quality Assurance & Compliance
1 3 (2.11%) QA
System Software
1 2 (1.41%) Docker
Vendors
1 3 (2.11%) Google
2 2 (1.41%) Adobe
2 2 (1.41%) Caplin
2 2 (1.41%) Microsoft
2 2 (1.41%) Oracle
2 2 (1.41%) Salesforce.com
3 1 (0.70%) DoubleClick
3 1 (0.70%) EPiServer
3 1 (0.70%) SAP
3 1 (0.70%) Sencha
3 1 (0.70%) ServiceNow
3 1 (0.70%) Sitecore
3 1 (0.70%) Sun
3 1 (0.70%) Telerik
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