The median contractor rate for a JavaScript Developer was £525 per day in advertised job vacancies in the City of London during the 3 months to 27 June 2017.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

JavaScript Developer
London / City of London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 80 84 135
Rank change year-on-year +4 +51  
Contract jobs requiring a JavaScript Developer 89 83 66
As % of all contract IT jobs advertised in the City of London 2.69% 2.45% 1.15%
As % of the Job Titles category 2.82% 2.56% 1.21%
Number of daily rates quoted 78 78 50
Median daily rate £525 £400 £400
Median daily rate % change year-on-year +31.25% -  
90% offered a daily rate of more than £425 £292 £271
10% offered a daily rate of more than £625 £525 £558
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 0 0 1
Median hourly rate - - £19.72
UK excluding London median hourly rate £45.00 - £22.00

The next table is for comparison with the above and includes summary statistics for all job roles in contract job vacancies advertised in the City of London. Most job vacancies include a discernible job title. As such, the figures in the first row provide an indication of the number of contract jobs in our overall sample.

Contract IT Job Roles
City of London
Contract job vacancies with a job title containing a recognized job role 3152 3242 5437
As % of all contract IT job vacancies advertised in the City of London 95.40% 95.72% 94.75%
Number of daily rates quoted 2407 2629 4189
Median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.55%  
90% offered a daily rate of more than £325 £313 £275
10% offered a daily rate of more than £650 £625 £625
UK excluding London median daily rate £400 £400 £370
% change year-on-year - +8.10%  
Number of hourly rates quoted 39 38 96
Median hourly rate £18.70 £19.00 £19.72
Median hourly rate % change year-on-year -1.57% -3.62%  
90% offered a hourly rate of more than £12.93 £12.50 £10.50
10% offered a hourly rate of more than £30.00 £31.50 £37.05
UK excluding London median hourly rate £17.50 £17.50 £16.14
% change year-on-year - +8.42%  

JavaScript Developer
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London that featured JavaScript Developer in the job title.

Job vacancy trend for JavaScript Developer in the City of London

JavaScript Developer
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for JavaScript Developer in the City of London

JavaScript Developer
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing JavaScript Developer in the City of London over the 3 months to 27 June 2017.

Contractor daily rate histogram for JavaScript Developer in the City of London

JavaScript Developer
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for JavaScript Developer in the City of London

JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills in the City of London

For the 6 months to 27 June 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.

1 165 (100.00%) JavaScript
2 112 (67.88%) HTML
3 106 (64.24%) CSS
4 98 (59.39%) AngularJS
5 79 (47.88%) React
5 79 (47.88%) Agile Software Development
6 60 (36.36%) HTML5
6 60 (36.36%) Node.js
7 58 (35.15%) Front End Development
8 50 (30.30%) Java
9 49 (29.70%) TDD
10 44 (26.67%) CSS3
11 42 (25.45%) Finance
12 38 (23.03%) Banking
13 37 (22.42%) User Experience
13 37 (22.42%) Sass
14 35 (21.21%) Redux
15 30 (18.18%) Web Development
16 28 (16.97%) jQuery
17 27 (16.36%) RESTful
18 24 (14.55%) Jasmine
18 24 (14.55%) Twitter Bootstrap
19 22 (13.33%) ES6
19 22 (13.33%) Scrum
20 21 (12.73%) BDD
20 21 (12.73%) Git (software)
21 20 (12.12%) gulp
21 20 (12.12%) OO
22 19 (11.52%) Selenium
22 19 (11.52%) Spring

JavaScript Developer Skill Set
Co-occurring 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 6 (3.64%) Elasticsearch
2 3 (1.82%) CMS
2 3 (1.82%) EPiServer
2 3 (1.82%) Sitecore CMS
3 2 (1.21%) Apache
3 2 (1.21%) Drupal
4 1 (0.61%) Apache Solr
4 1 (0.61%) IIS
4 1 (0.61%) Tomcat
Applications
1 2 (1.21%) Adobe Creative Suite
1 2 (1.21%) OmniGraffle
Business Applications
1 3 (1.82%) Eloqua
Cloud Services
1 9 (5.45%) Amazon AWS
2 8 (4.85%) SaaS
3 3 (1.82%) GitHub
3 3 (1.82%) Microsoft Azure
4 1 (0.61%) BrowserStack
4 1 (0.61%) Google App Engine
4 1 (0.61%) Google Cloud Platform
4 1 (0.61%) vREST
Communications & Networking
1 10 (6.06%) Internet
Database & Business Intelligence
1 8 (4.85%) NoSQL
2 7 (4.24%) MongoDB
3 5 (3.03%) MySQL
3 5 (3.03%) Relational Database
4 3 (1.82%) Big Data
4 3 (1.82%) Couchbase
5 2 (1.21%) PostgreSQL
6 1 (0.61%) Data Warehouse
6 1 (0.61%) Hadoop
Development Applications
1 24 (14.55%) Jasmine
2 21 (12.73%) Git (software)
3 20 (12.12%) gulp
4 19 (11.52%) Selenium
5 15 (9.09%) Grunt
5 15 (9.09%) webpack
6 14 (8.48%) Mocha
7 13 (7.88%) Cucumber
8 10 (6.06%) Jenkins
9 8 (4.85%) Bower
9 8 (4.85%) Karma Test Runner
9 8 (4.85%) Protractor
10 7 (4.24%) Visual Studio
11 6 (3.64%) Babel
11 6 (3.64%) WebDriver
12 5 (3.03%) TeamCity
13 4 (2.42%) Maven
13 4 (2.42%) NUnit
13 4 (2.42%) Sinon.JS
13 4 (2.42%) Team Foundation Server
General
1 42 (25.45%) Finance
2 38 (23.03%) Banking
3 17 (10.30%) Front Office
4 13 (7.88%) Retail
5 8 (4.85%) Investment Banking
6 6 (3.64%) Marketing
7 3 (1.82%) Advertising
8 2 (1.21%) Law
8 2 (1.21%) Retail Banking
9 1 (0.61%) Digital Economy
9 1 (0.61%) Multimedia
9 1 (0.61%) Publishing
9 1 (0.61%) Telecoms
Libraries, Frameworks & Software Standards
1 112 (67.88%) HTML
2 106 (64.24%) CSS
3 98 (59.39%) AngularJS
4 79 (47.88%) React
5 60 (36.36%) HTML5
5 60 (36.36%) Node.js
6 44 (26.67%) CSS3
7 37 (22.42%) Sass
8 35 (21.21%) Redux
9 28 (16.97%) jQuery
10 27 (16.36%) RESTful
11 24 (14.55%) Twitter Bootstrap
12 19 (11.52%) Spring
13 15 (9.09%) Web Services
14 14 (8.48%) Angular 2
15 11 (6.67%) D3.js
16 10 (6.06%) Chai
17 9 (5.45%) Backbone.js
17 9 (5.45%) LESS
18 7 (4.24%) React Native
Miscellaneous
1 37 (22.42%) User Experience
2 12 (7.27%) Greenfield Project
3 10 (6.06%) Foreign Exchange (FX)
4 9 (5.45%) Derivative
4 9 (5.45%) NHS
4 9 (5.45%) RIA
5 8 (4.85%) Fintech
6 5 (3.03%) Computer Science
7 4 (2.42%) Equity Derivative
7 4 (2.42%) Fixed Income
8 3 (1.82%) Cloud Native
8 3 (1.82%) Online Banking
9 2 (1.21%) Equities
10 1 (0.61%) Algorithms
10 1 (0.61%) Analytical Skills
10 1 (0.61%) e-Learning
10 1 (0.61%) Hedge funds
10 1 (0.61%) HoloLens
10 1 (0.61%) Oculus Rift
10 1 (0.61%) Smart Meter
Operating Systems
1 7 (4.24%) Linux
2 4 (2.42%) Android
2 4 (2.42%) Apple iOS
3 1 (0.61%) Mac OS X
3 1 (0.61%) Unix
Processes & Methodologies
1 79 (47.88%) Agile Software Development
2 58 (35.15%) Front End Development
3 49 (29.70%) TDD
4 30 (18.18%) Web Development
5 22 (13.33%) Scrum
6 21 (12.73%) BDD
7 20 (12.12%) OO
8 19 (11.52%) MVC
9 17 (10.30%) Unit Testing
10 12 (7.27%) MVVM
11 11 (6.67%) Analytics
11 11 (6.67%) Continuous Integration
11 11 (6.67%) Data Visualisation
11 11 (6.67%) E-Commerce
11 11 (6.67%) Responsive Web Design
11 11 (6.67%) Visualisation
12 10 (6.06%) Low Latency
13 9 (5.45%) Business Intelligence
13 9 (5.45%) High Availability
13 9 (5.45%) Open Source
Programming Languages
1 165 (100.00%) JavaScript
2 50 (30.30%) Java
3 22 (13.33%) ES6
4 13 (7.88%) C#
4 13 (7.88%) SQL
5 9 (5.45%) PHP
6 8 (4.85%) Python
7 7 (4.24%) TypeScript
8 5 (3.03%) Scala
9 3 (1.82%) C
9 3 (1.82%) ECMAScript
10 1 (0.61%) C++
10 1 (0.61%) Ruby
Qualifications
1 6 (3.64%) Degree
2 2 (1.21%) Computer Science Degree
3 1 (0.61%) Numerate Degree
3 1 (0.61%) SC Cleared
3 1 (0.61%) Security Cleared
Quality Assurance & Compliance
1 7 (4.24%) QA
2 3 (1.82%) MiFID
System Software
1 3 (1.82%) Docker
2 1 (0.61%) HDFS
Systems Management
1 2 (1.21%) Puppet
2 1 (0.61%) Mesos
Vendors
1 3 (1.82%) Google
1 3 (1.82%) Marketo
1 3 (1.82%) Sitecore
1 3 (1.82%) Twitter
2 2 (1.21%) Adobe
2 2 (1.21%) Panasonic
3 1 (0.61%) SAP
City, London
ANSON MCCADE
Rate: UKP 550 per day
Posted: Yesterday
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Posted: Yesterday
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TEKsystems
Rate: £575 - £650 per day
Posted: 4 days ago
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Rate: UKP 600 per day
Posted: 5 days ago
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Rate: £350 per day
Posted: 4 days ago
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Rate: £300 - £340 per day
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Rate: £80000 - £100000 per annum + Bonus
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