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 10 December 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
10 Dec 2016
Same period 2015 Same period 2014
JavaScript Developer
Rank 76 71 126
Rank change year-on-year
-5 +55
Contract jobs requiring a JavaScript Developer 96 88 75
As % of all contract IT jobs located in the City of London 3.03% 2.58% 1.31%
As % of the Job Titles category 3.18% 2.70% 1.37%
Number of daily rates quoted 86 63 69
Median daily rate £425 £450 £450
Median daily rate % change year-on-year
-5.55% -
90% offered a daily rate of more than £323 £325 £345
10% offered a daily rate of more than £600 £570 £625
UK excluding London median daily rate £400 £350 £350
% change year-on-year
+14.28% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £22.50 £42.50 £39.75
% change year-on-year
-47.05% +6.91%
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
3021 3262 5471
As % of all contract IT jobs located in the City of London 95.45% 95.55% 95.21%
Number of daily rates quoted 2398 2590 4200
Median daily rate £488 £475 £438
Median daily rate % change year-on-year
+2.63% +8.57%
90% offered a daily rate of more than £325 £300 £250
10% offered a daily rate of more than £650 £625 £600
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 37 43 104
Median hourly rate £19.00 £21.06 £17.50
Median hourly rate % change year-on-year
-9.77% +20.32%
90% offered a hourly rate of more than £14.00 £13.00 £11.59
10% offered a hourly rate of more than £46.50 £41.65 £22.52
UK excluding London median hourly rate £16.50 £17.00 £16.00
% change year-on-year
-2.94% +6.25%

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 10 December 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 10 December 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.

1 180 (100.00%) JavaScript
2 133 (73.89%) HTML
3 124 (68.89%) CSS
4 89 (49.44%) AngularJS
5 84 (46.67%) HTML5
6 74 (41.11%) Agile Software Development
7 69 (38.33%) CSS3
8 68 (37.78%) Finance
9 63 (35.00%) React
10 55 (30.56%) Node.js
11 50 (27.78%) Front End Development
12 48 (26.67%) Banking
13 44 (24.44%) TDD
14 43 (23.89%) OO
15 34 (18.89%) Sass
16 33 (18.33%) RESTful
17 32 (17.78%) jQuery
18 31 (17.22%) Web Development
18 31 (17.22%) Scrum
19 25 (13.89%) Java
20 22 (12.22%) ES6
20 22 (12.22%) User Experience
21 20 (11.11%) Web Services
21 20 (11.11%) Unit Testing
22 19 (10.56%) C#
23 18 (10.00%) LESS
24 17 (9.44%) Twitter Bootstrap
24 17 (9.44%) Grunt
24 17 (9.44%) gulp
24 17 (9.44%) Git (software)

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 3 (1.67%) Drupal
2 2 (1.11%) CMS
2 2 (1.11%) WebSphere
3 1 (0.56%) Adobe Experience Manager
3 1 (0.56%) Elasticsearch
3 1 (0.56%) IIS
3 1 (0.56%) SharePoint
Applications
1 2 (1.11%) Spreadsheet
2 1 (0.56%) Adobe Creative Suite
2 1 (0.56%) MS Excel
2 1 (0.56%) OmniGraffle
Business Applications
1 3 (1.67%) Magento
Cloud Services
1 2 (1.11%) Amazon AWS
1 2 (1.11%) SaaS
2 1 (0.56%) GitHub
2 1 (0.56%) IaaS
2 1 (0.56%) Microsoft Azure
Communications & Networking
1 12 (6.67%) Internet
2 1 (0.56%) AMQP
2 1 (0.56%) HTTP
2 1 (0.56%) Network Security
Database & Business Intelligence
1 8 (4.44%) SQL Server
2 6 (3.33%) NoSQL
3 4 (2.22%) MongoDB
4 3 (1.67%) Big Data
4 3 (1.67%) SQL Server Integration Services
4 3 (1.67%) SQL Server Reporting Services
5 2 (1.11%) MySQL
5 2 (1.11%) QlikView
5 2 (1.11%) SQL Server 2008
6 1 (0.56%) DB2
6 1 (0.56%) Hadoop
6 1 (0.56%) MariaDB
6 1 (0.56%) Oracle Database
6 1 (0.56%) Power BI
6 1 (0.56%) SQL Server 2012
6 1 (0.56%) SQL Server Analysis Services
Development Applications
1 17 (9.44%) Git (software)
1 17 (9.44%) Grunt
1 17 (9.44%) gulp
2 12 (6.67%) webpack
3 11 (6.11%) Jasmine
4 10 (5.56%) Karma Test Runner
5 9 (5.00%) Mocha
5 9 (5.00%) Selenium
5 9 (5.00%) WebDriver
6 8 (4.44%) Cucumber
7 6 (3.33%) Babel
8 4 (2.22%) Subversion
9 2 (1.11%) git-flow
9 2 (1.11%) JIRA
9 2 (1.11%) Protractor
9 2 (1.11%) Team Foundation Server
10 1 (0.56%) Balsamiq Mockups
10 1 (0.56%) Bower
10 1 (0.56%) Jenkins
10 1 (0.56%) SoapUI
General
1 68 (37.78%) Finance
2 48 (26.67%) Banking
3 13 (7.22%) Investment Banking
4 9 (5.00%) Front Office
5 8 (4.44%) Marketing
6 4 (2.22%) Games
6 4 (2.22%) Legal
6 4 (2.22%) Retail
7 3 (1.67%) Advertising
8 2 (1.11%) Financial Institution
9 1 (0.56%) Interactive Media
9 1 (0.56%) Multimedia
9 1 (0.56%) Publishing
Libraries, Frameworks & Software Standards
1 133 (73.89%) HTML
2 124 (68.89%) CSS
3 89 (49.44%) AngularJS
4 84 (46.67%) HTML5
5 69 (38.33%) CSS3
6 63 (35.00%) React
7 55 (30.56%) Node.js
8 34 (18.89%) Sass
9 33 (18.33%) RESTful
10 32 (17.78%) jQuery
11 20 (11.11%) Web Services
12 18 (10.00%) LESS
13 17 (9.44%) Redux
13 17 (9.44%) Twitter Bootstrap
14 15 (8.33%) REST
15 14 (7.78%) Backbone.js
16 13 (7.22%) .NET
16 13 (7.22%) D3.js
17 10 (5.56%) Express
18 9 (5.00%) JSON
Miscellaneous
1 22 (12.22%) User Experience
2 11 (6.11%) RIA
3 10 (5.56%) Visualisation
4 8 (4.44%) Computer Science
4 8 (4.44%) Foreign Exchange (FX)
5 6 (3.33%) Analytical Skills
6 5 (2.78%) NHS
7 4 (2.22%) Derivative
7 4 (2.22%) Equity Derivative
7 4 (2.22%) Fixed Income
8 3 (1.67%) Fintech
8 3 (1.67%) Virtual Team
9 2 (1.11%) Management Information System
9 2 (1.11%) Minimum Viable Product
10 1 (0.56%) Animation
10 1 (0.56%) Clustering
10 1 (0.56%) Equities
10 1 (0.56%) Mathematics
10 1 (0.56%) Online Banking
10 1 (0.56%) STB
Operating Systems
1 7 (3.89%) Linux
2 2 (1.11%) Unix
2 2 (1.11%) Windows
3 1 (0.56%) Android
3 1 (0.56%) Apple iOS
3 1 (0.56%) Windows Server
3 1 (0.56%) Windows Server 2008
3 1 (0.56%) Windows Server 2012
Processes & Methodologies
1 74 (41.11%) Agile Software Development
2 50 (27.78%) Front End Development
3 44 (24.44%) TDD
4 43 (23.89%) OO
5 31 (17.22%) Scrum
5 31 (17.22%) Web Development
6 20 (11.11%) Unit Testing
7 16 (8.89%) Low Latency
7 16 (8.89%) MVC
7 16 (8.89%) Open Source
8 14 (7.78%) Software Engineering
9 13 (7.22%) BDD
9 13 (7.22%) Pair Programming
10 12 (6.67%) Cross-Browser Compatibility
10 12 (6.67%) High Availability
11 10 (5.56%) Data Visualisation
11 10 (5.56%) E-Commerce
12 9 (5.00%) Business Intelligence
13 8 (4.44%) Continuous Integration
13 8 (4.44%) Progressive Enhancement
Programming Languages
1 180 (100.00%) JavaScript
2 25 (13.89%) Java
3 22 (12.22%) ES6
4 19 (10.56%) C#
5 16 (8.89%) SQL
6 15 (8.33%) PHP
7 14 (7.78%) TypeScript
8 5 (2.78%) ECMAScript
8 5 (2.78%) Shell Script
9 4 (2.22%) Python
10 3 (1.67%) C++
10 3 (1.67%) Scala
11 2 (1.11%) Objective-C
11 2 (1.11%) T-SQL
11 2 (1.11%) VBScript
12 1 (0.56%) Bash Shell
12 1 (0.56%) PowerShell
12 1 (0.56%) VB
12 1 (0.56%) VB.NET
Qualifications
1 7 (3.89%) Degree
Quality Assurance & Compliance
1 5 (2.78%) QA
2 1 (0.56%) SDET
System Software
1 1 (0.56%) Docker
Systems Management
1 1 (0.56%) Ansible
1 1 (0.56%) Opscode Chef
Vendors
1 4 (2.22%) Google
2 3 (1.67%) Microsoft
2 3 (1.67%) Oracle
3 1 (0.56%) Adobe
3 1 (0.56%) Akamai
3 1 (0.56%) Salesforce.com
3 1 (0.56%) Sybase
3 1 (0.56%) Teradata
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