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 25 February 2017 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 Feb 2017
Same period 2016 Same period 2015
JavaScript Developer
London / City of London
Rank 81 95 125
Rank change year-on-year
+14 +30
Contract jobs requiring a JavaScript Developer 69 65 65
As % of all contract IT jobs located in the City of London 2.37% 2.03% 1.26%
As % of the Job Titles category 2.49% 2.12% 1.32%
Number of daily rates quoted 62 54 57
Median daily rate £475 £413 £475
Median daily rate % change year-on-year
+15.15% -13.15%
90% offered a daily rate of more than £328 £306 £362
10% offered a daily rate of more than £550 £550 £610
UK excluding London median daily rate £375 £350 £375
% change year-on-year
+7.14% -6.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £43.00 £22.54 -
% change year-on-year
+90.77% -

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
2772 3062 4915
As % of all contract IT jobs located in the City of London 95.03% 95.48% 95.60%
Number of daily rates quoted 2195 2417 3762
Median daily rate £475 £475 £450
Median daily rate % change year-on-year
- +5.55%
90% offered a daily rate of more than £310 £300 £275
10% offered a daily rate of more than £630 £625 £600
UK excluding London median daily rate £400 £375 £375
% change year-on-year
+6.66% -
Number of hourly rates quoted 28 46 73
Median hourly rate £19.00 £19.50 £17.87
Median hourly rate % change year-on-year
-2.56% +9.15%
90% offered a hourly rate of more than £13.10 £12.00 £12.50
10% offered a hourly rate of more than £29.38 £53.00 £27.37
UK excluding London median hourly rate £17.50 £18.00 £17.00
% change year-on-year
-2.77% +5.88%

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 25 February 2017.

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 25 February 2017, 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.

1 172 (100.00%) JavaScript
2 125 (72.67%) HTML
3 121 (70.35%) CSS
4 83 (48.26%) AngularJS
5 72 (41.86%) HTML5
6 69 (40.12%) React
7 67 (38.95%) Agile Software Development
8 63 (36.63%) CSS3
9 60 (34.88%) Node.js
10 54 (31.40%) Finance
11 49 (28.49%) Front End Development
12 45 (26.16%) TDD
13 39 (22.67%) Sass
14 35 (20.35%) Banking
14 35 (20.35%) Scrum
14 35 (20.35%) RESTful
15 32 (18.60%) jQuery
16 28 (16.28%) Web Development
17 27 (15.70%) OO
17 27 (15.70%) ES6
18 26 (15.12%) Twitter Bootstrap
18 26 (15.12%) User Experience
19 25 (14.53%) Redux
20 22 (12.79%) Java
20 22 (12.79%) Unit Testing
21 21 (12.21%) Git (software)
22 20 (11.63%) Web Services
23 18 (10.47%) PHP
23 18 (10.47%) gulp
24 16 (9.30%) Low Latency

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 4 (2.33%) Drupal
2 2 (1.16%) Elasticsearch
3 1 (0.58%) Apache
3 1 (0.58%) CMS
Applications
1 2 (1.16%) Adobe Creative Suite
1 2 (1.16%) OmniGraffle
2 1 (0.58%) MS Excel
Business Applications
1 3 (1.74%) Magento
Cloud Services
1 5 (2.91%) SaaS
2 3 (1.74%) GitHub
3 1 (0.58%) Akamai
3 1 (0.58%) Amazon AWS
3 1 (0.58%) Google App Engine
3 1 (0.58%) Google Cloud Platform
3 1 (0.58%) IaaS
Communications & Networking
1 14 (8.14%) Internet
2 1 (0.58%) AMQP
2 1 (0.58%) HTTP
2 1 (0.58%) Network Security
Database & Business Intelligence
1 5 (2.91%) MongoDB
1 5 (2.91%) MySQL
1 5 (2.91%) NoSQL
1 5 (2.91%) SQL Server
2 2 (1.16%) Big Data
2 2 (1.16%) Hadoop
2 2 (1.16%) PostgreSQL
2 2 (1.16%) QlikView
3 1 (0.58%) Apache Cassandra
3 1 (0.58%) DB2
3 1 (0.58%) HBase
3 1 (0.58%) MariaDB
3 1 (0.58%) SQL Server 2008
3 1 (0.58%) SQL Server 2012
3 1 (0.58%) SQL Server Analysis Services
3 1 (0.58%) SQL Server Integration Services
3 1 (0.58%) SQL Server Reporting Services
Development Applications
1 21 (12.21%) Git (software)
2 18 (10.47%) gulp
3 14 (8.14%) Grunt
3 14 (8.14%) webpack
4 13 (7.56%) Jasmine
4 13 (7.56%) Selenium
5 12 (6.98%) Mocha
6 11 (6.40%) Cucumber
6 11 (6.40%) Karma Test Runner
7 10 (5.81%) WebDriver
8 8 (4.65%) Babel
9 4 (2.33%) Bower
9 4 (2.33%) JIRA
9 4 (2.33%) Protractor
10 3 (1.74%) SoapUI
10 3 (1.74%) WebStorm
11 2 (1.16%) Axure RP
11 2 (1.16%) Balsamiq Mockups
11 2 (1.16%) TeamCity
11 2 (1.16%) Visual Studio
General
1 54 (31.40%) Finance
2 35 (20.35%) Banking
3 12 (6.98%) Front Office
3 12 (6.98%) Investment Banking
4 7 (4.07%) Retail
5 4 (2.33%) Marketing
6 3 (1.74%) Legal
7 2 (1.16%) Advertising
7 2 (1.16%) Financial Institution
7 2 (1.16%) Games
8 1 (0.58%) Interactive Media
8 1 (0.58%) Multimedia
8 1 (0.58%) Retail Banking
Libraries, Frameworks & Software Standards
1 125 (72.67%) HTML
2 121 (70.35%) CSS
3 83 (48.26%) AngularJS
4 72 (41.86%) HTML5
5 69 (40.12%) React
6 63 (36.63%) CSS3
7 60 (34.88%) Node.js
8 39 (22.67%) Sass
9 35 (20.35%) RESTful
10 32 (18.60%) jQuery
11 26 (15.12%) Twitter Bootstrap
12 25 (14.53%) Redux
13 20 (11.63%) Web Services
14 16 (9.30%) REST
15 14 (8.14%) LESS
16 11 (6.40%) Backbone.js
16 11 (6.40%) JSON
16 11 (6.40%) Spring
17 10 (5.81%) Express
18 8 (4.65%) D3.js
Miscellaneous
1 26 (15.12%) User Experience
2 14 (8.14%) RIA
3 8 (4.65%) Foreign Exchange (FX)
4 7 (4.07%) Derivative
5 6 (3.49%) Computer Science
5 6 (3.49%) NHS
6 5 (2.91%) Equity Derivative
6 5 (2.91%) Fixed Income
7 4 (2.33%) Fintech
8 2 (1.16%) Analytical Skills
8 2 (1.16%) Equities
8 2 (1.16%) Management Information System
8 2 (1.16%) Minimum Viable Product
8 2 (1.16%) Online Banking
9 1 (0.58%) Algorithms
9 1 (0.58%) Animation
9 1 (0.58%) Clustering
9 1 (0.58%) Digital Media
9 1 (0.58%) e-Learning
9 1 (0.58%) Mobile App
Operating Systems
1 7 (4.07%) Linux
2 3 (1.74%) Android
2 3 (1.74%) Apple iOS
3 2 (1.16%) Windows
4 1 (0.58%) Windows Server
4 1 (0.58%) Windows Server 2008
4 1 (0.58%) Windows Server 2012
Processes & Methodologies
1 67 (38.95%) Agile Software Development
2 49 (28.49%) Front End Development
3 45 (26.16%) TDD
4 35 (20.35%) Scrum
5 28 (16.28%) Web Development
6 27 (15.70%) OO
7 22 (12.79%) Unit Testing
8 16 (9.30%) Low Latency
8 16 (9.30%) Open Source
9 14 (8.14%) BDD
9 14 (8.14%) Cross-Browser Compatibility
9 14 (8.14%) High Availability
9 14 (8.14%) MVC
9 14 (8.14%) Pair Programming
10 13 (7.56%) Continuous Integration
10 13 (7.56%) Software Engineering
11 10 (5.81%) E-Commerce
11 10 (5.81%) Progressive Enhancement
12 9 (5.23%) Data Visualisation
12 9 (5.23%) Visualisation
Programming Languages
1 172 (100.00%) JavaScript
2 27 (15.70%) ES6
3 22 (12.79%) Java
4 18 (10.47%) PHP
5 12 (6.98%) TypeScript
6 9 (5.23%) ECMAScript
6 9 (5.23%) Python
7 8 (4.65%) C#
7 8 (4.65%) SQL
8 5 (2.91%) Shell Script
9 3 (1.74%) C++
10 2 (1.16%) T-SQL
11 1 (0.58%) Bash Shell
11 1 (0.58%) PowerShell
11 1 (0.58%) Scala
Qualifications
1 6 (3.49%) Degree
Quality Assurance & Compliance
1 6 (3.49%) QA
2 3 (1.74%) SDET
3 2 (1.16%) MiFID
System Software
1 2 (1.16%) Docker
2 1 (0.58%) HDFS
Systems Management
1 1 (0.58%) Ansible
1 1 (0.58%) Galera Cluster
1 1 (0.58%) Mesos
1 1 (0.58%) Opscode Chef
Vendors
1 2 (1.16%) Adobe
1 2 (1.16%) Twitter
2 1 (0.58%) Google
2 1 (0.58%) Microsoft
2 1 (0.58%) Oracle
2 1 (0.58%) Panasonic
2 1 (0.58%) Sybase
2 1 (0.58%) Teradata
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