The median contractor rate for a JavaScript Developer was £500 per day in advertised job vacancies in London during the 3 months to 23 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
England / London
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 88 93 105
Rank change year-on-year +5 +12  
Contract jobs requiring a JavaScript Developer 596 566 503
As % of all contract IT jobs advertised in London 2.88% 2.62% 2.15%
As % of the Job Titles category 3.04% 2.75% 2.27%
Number of daily rates quoted 480 484 390
Median daily rate £500 £450 £400
Median daily rate % change year-on-year +11.11% +12.50%  
90% offered a daily rate of more than £386 £350 £309
10% offered a daily rate of more than £625 £575 £532
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 1 0 1
Median hourly rate £30.00 - £19.72
UK excluding London median hourly rate £47.50 - £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 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
London
Contract job vacancies with a job title containing a recognized job role 19622 20610 22172
As % of all contract IT job vacancies advertised in London 94.89% 95.28% 94.63%
Number of daily rates quoted 14013 14955 15445
Median daily rate £500 £463 £445
Median daily rate % change year-on-year +8.10% +3.93%  
90% offered a daily rate of more than £315 £295 £275
10% offered a daily rate of more than £650 £625 £603
UK excluding London median daily rate £400 £400 £370
% change year-on-year - +8.10%  
Number of hourly rates quoted 248 227 383
Median hourly rate £19.82 £17.89 £18.70
Median hourly rate % change year-on-year +10.81% -4.35%  
90% offered a hourly rate of more than £12.50 £12.00 £11.00
10% offered a hourly rate of more than £47.83 £42.50 £52.17
UK excluding London median hourly rate £17.50 £17.45 £16.14
% change year-on-year +0.28% +8.11%  

JavaScript Developer
Job Vacancy Trend in London

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

Job vacancy trend for JavaScript Developer in London

JavaScript Developer
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for JavaScript Developer in London

JavaScript Developer
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing JavaScript Developer in London over the 3 months to 23 June 2017.

Contractor daily rate histogram for JavaScript Developer in London

JavaScript Developer
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for JavaScript Developer in London

JavaScript Developer
Contract Job Locations in London

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 London region over the 3 months to 23 June 2017. 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 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
City of London +6 89 £520 +30.00% 31
Canary Wharf +8 9 £650 +10.63%
Croydon -12 6 £400 +3.22%
Moorgate - 3 £550 -
Twickenham +4 2 £475 -
West End of London +6 1 £475 +18.75% 12
Brentford - 1 - -
Feltham - 1 £351 -
Hayes - 1 £390 -
Hounslow - 1 £375 -
Surbiton - 1 £425 -
Paddington - 1 £515 -
Southwark - 1 £350 -
Chiswick - 1 £375 -
JavaScript Developer
England

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

For the 6 months to 23 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 London region featuring JavaScript Developer in the job title.

1 1087 (100.00%) JavaScript
2 721 (66.33%) HTML
3 662 (60.90%) CSS
4 564 (51.89%) AngularJS
5 557 (51.24%) Agile Software Development
6 472 (43.42%) HTML5
7 457 (42.04%) React
8 417 (38.36%) Node.js
9 386 (35.51%) TDD
10 349 (32.11%) Front End Development
11 337 (31.00%) CSS3
12 231 (21.25%) Java
13 223 (20.52%) Sass
14 202 (18.58%) Finance
15 200 (18.40%) OO
16 189 (17.39%) ES6
17 184 (16.93%) Banking
18 180 (16.56%) jQuery
19 179 (16.47%) User Experience
20 177 (16.28%) Scrum
21 176 (16.19%) Git (software)
22 156 (14.35%) Redux
23 153 (14.08%) BDD
24 140 (12.88%) C#
25 137 (12.60%) Jasmine
26 132 (12.14%) gulp
27 129 (11.87%) .NET
28 128 (11.78%) Web Development
29 114 (10.49%) RESTful
29 114 (10.49%) Grunt

JavaScript Developer Skill Set
Co-occurring IT Skills in 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 27 (2.48%) CMS
2 20 (1.84%) Adobe Experience Manager
3 19 (1.75%) Elasticsearch
4 18 (1.66%) Apache Spark
5 12 (1.10%) Confluence
6 8 (0.74%) SharePoint
7 7 (0.64%) JBoss
8 6 (0.55%) Oracle Workflow
8 6 (0.55%) WildFly
9 5 (0.46%) Apache
9 5 (0.46%) Cloud Foundry
9 5 (0.46%) Drupal
9 5 (0.46%) EPiServer
10 4 (0.37%) Sitecore CMS
10 4 (0.37%) WordPress
11 3 (0.28%) GeoServer
11 3 (0.28%) Tomcat
12 2 (0.18%) DNN
12 2 (0.18%) Documentum
12 2 (0.18%) Mule
Applications
1 25 (2.30%) Photoshop
2 9 (0.83%) OmniGraffle
3 8 (0.74%) Adobe Creative Suite
4 6 (0.55%) Microsoft Excel
5 2 (0.18%) Adobe Illustrator
6 1 (0.092%) GIMP
Business Applications
1 4 (0.37%) Eloqua
2 2 (0.18%) SAP Oil and Gas
3 1 (0.092%) Payment Gateway
3 1 (0.092%) Sage CRM
Cloud Services
1 46 (4.23%) Amazon AWS
2 22 (2.02%) GitHub
3 19 (1.75%) Microsoft Azure
4 16 (1.47%) SaaS
5 4 (0.37%) Google Analytics
6 3 (0.28%) Google App Engine
6 3 (0.28%) Google Cloud Platform
6 3 (0.28%) Heroku
6 3 (0.28%) IaaS
6 3 (0.28%) PaaS
7 2 (0.18%) Cloud Computing
8 1 (0.092%) Amazon EC2
8 1 (0.092%) Amazon SQS
8 1 (0.092%) AWS CloudFormation
8 1 (0.092%) AWS Lambda
8 1 (0.092%) BrowserStack
8 1 (0.092%) Firebase
8 1 (0.092%) Office 365
8 1 (0.092%) Trello
8 1 (0.092%) vREST
Communications & Networking
1 18 (1.66%) Internet
2 7 (0.64%) HTTP
3 5 (0.46%) Intranet
4 3 (0.28%) IP Telephony
5 2 (0.18%) Ethernet
5 2 (0.18%) FTP
5 2 (0.18%) SSL
5 2 (0.18%) TCP/IP
6 1 (0.092%) 5G
6 1 (0.092%) LDAP
6 1 (0.092%) MQTT
6 1 (0.092%) SSH
6 1 (0.092%) Telepresence
6 1 (0.092%) Wi-Fi
Database & Business Intelligence
1 54 (4.97%) NoSQL
2 52 (4.78%) MongoDB
3 45 (4.14%) Big Data
4 41 (3.77%) Relational Database
5 35 (3.22%) SQL Server
6 29 (2.67%) MySQL
7 15 (1.38%) Redis
8 13 (1.20%) RavenDB
9 10 (0.92%) PostgreSQL
10 6 (0.55%) SQL Server Reporting Services
11 5 (0.46%) OLAP
11 5 (0.46%) Power BI
11 5 (0.46%) PowerPivot
11 5 (0.46%) SQL Server Integration Services
12 4 (0.37%) Blockchain
12 4 (0.37%) Couchbase
12 4 (0.37%) Oracle Database
12 4 (0.37%) RDBMS
13 3 (0.28%) Apache Cassandra
13 3 (0.28%) GIS
Development Applications
1 176 (16.19%) Git (software)
2 137 (12.60%) Jasmine
3 132 (12.14%) gulp
4 114 (10.49%) Grunt
5 101 (9.29%) webpack
6 86 (7.91%) Selenium
7 80 (7.36%) Mocha
8 54 (4.97%) Cucumber
9 46 (4.23%) TeamCity
10 42 (3.86%) Jenkins
11 39 (3.59%) Karma Test Runner
12 36 (3.31%) Babel
12 36 (3.31%) JIRA
13 33 (3.04%) WebDriver
14 31 (2.85%) Subversion
15 27 (2.48%) Maven
15 27 (2.48%) Protractor
16 26 (2.39%) Bower
17 19 (1.75%) Gradle
17 19 (1.75%) NUnit
General
1 202 (18.58%) Finance
2 184 (16.93%) Banking
3 88 (8.10%) Front Office
4 80 (7.36%) Investment Banking
5 40 (3.68%) Retail
6 28 (2.58%) Marketing
7 15 (1.38%) Legal
8 10 (0.92%) Games
9 9 (0.83%) Publishing
10 8 (0.74%) Back Office
10 8 (0.74%) Retail Banking
11 7 (0.64%) Advertising
11 7 (0.64%) Telecoms
12 4 (0.37%) Financial Institution
13 2 (0.18%) Electronics
13 2 (0.18%) Law
13 2 (0.18%) Manufacturing
14 1 (0.092%) Music Industry
14 1 (0.092%) Pharmaceutical
14 1 (0.092%) Private Banking
Libraries, Frameworks & Software Standards
1 721 (66.33%) HTML
2 662 (60.90%) CSS
3 564 (51.89%) AngularJS
4 472 (43.42%) HTML5
5 457 (42.04%) React
6 417 (38.36%) Node.js
7 337 (31.00%) CSS3
8 223 (20.52%) Sass
9 180 (16.56%) jQuery
10 156 (14.35%) Redux
11 129 (11.87%) .NET
12 114 (10.49%) RESTful
13 100 (9.20%) Twitter Bootstrap
14 92 (8.46%) Web Services
15 86 (7.91%) REST
16 83 (7.64%) LESS
17 82 (7.54%) Angular 2
18 81 (7.45%) D3.js
19 63 (5.80%) Express
20 62 (5.70%) Spring
Miscellaneous
1 179 (16.47%) User Experience
2 101 (9.29%) Greenfield Project
3 61 (5.61%) Fintech
4 52 (4.78%) Foreign Exchange (FX)
5 43 (3.96%) Mobile App
6 42 (3.86%) Fixed Income
7 38 (3.50%) Derivative
8 26 (2.39%) Analytical Skills
9 25 (2.30%) Equity Derivative
10 24 (2.21%) Computer Science
10 24 (2.21%) Equities
11 16 (1.47%) Hedge funds
12 15 (1.38%) Enterprise Software
13 13 (1.20%) NHS
13 13 (1.20%) Virtual Team
14 11 (1.01%) Algorithms
15 9 (0.83%) Data Structures
15 9 (0.83%) RIA
15 9 (0.83%) W3C
16 6 (0.55%) Online Banking
Operating Systems
1 32 (2.94%) Linux
2 23 (2.12%) Apple iOS
3 22 (2.02%) Android
4 14 (1.29%) Windows
5 9 (0.83%) Unix
6 4 (0.37%) Mac OS X
7 2 (0.18%) CentOS
7 2 (0.18%) Windows 10
7 2 (0.18%) Windows 7
7 2 (0.18%) Windows Mobile
8 1 (0.092%) CoreOS
8 1 (0.092%) Mac OS
8 1 (0.092%) webOS
8 1 (0.092%) Windows Phone
8 1 (0.092%) Windows Phone 7
Processes & Methodologies
1 557 (51.24%) Agile Software Development
2 386 (35.51%) TDD
3 349 (32.11%) Front End Development
4 200 (18.40%) OO
5 177 (16.28%) Scrum
6 153 (14.08%) BDD
7 128 (11.78%) Web Development
8 111 (10.21%) Continuous Integration
9 103 (9.48%) E-Commerce
10 96 (8.83%) MVC
11 80 (7.36%) Software Engineering
12 73 (6.72%) Pair Programming
12 73 (6.72%) Test Automation
13 72 (6.62%) Continuous Improvement
14 70 (6.44%) Responsive Web Design
15 66 (6.07%) SDLC
16 63 (5.80%) Unit Testing
17 57 (5.24%) DevOps
18 52 (4.78%) Visualisation
19 48 (4.42%) Analytics
Programming Languages
1 1087 (100.00%) JavaScript
2 231 (21.25%) Java
3 189 (17.39%) ES6
4 140 (12.88%) C#
5 94 (8.65%) SQL
6 65 (5.98%) TypeScript
7 57 (5.24%) Python
8 39 (3.59%) PHP
9 24 (2.21%) Ruby
9 24 (2.21%) Scala
10 13 (1.20%) C
11 11 (1.01%) C++
11 11 (1.01%) PL/SQL
12 10 (0.92%) ECMAScript
13 6 (0.55%) Perl
14 5 (0.46%) GraphQL
14 5 (0.46%) Objective-C
15 4 (0.37%) Go
15 4 (0.37%) T-SQL
16 3 (0.28%) Shell Script
Qualifications
1 34 (3.13%) Degree
2 14 (1.29%) Security Cleared
3 9 (0.83%) Computer Science Degree
3 9 (0.83%) SC Cleared
4 1 (0.092%) BPSS Clearance
4 1 (0.092%) MBA
4 1 (0.092%) Numerate Degree
4 1 (0.092%) Postgraduate
Quality Assurance & Compliance
1 38 (3.50%) QA
2 6 (0.55%) MiFID
3 1 (0.092%) Cyber Essentials
3 1 (0.092%) Data Quality
3 1 (0.092%) Disclosure Scotland
3 1 (0.092%) EMIR
3 1 (0.092%) WCAG
System Software
1 37 (3.40%) Docker
2 1 (0.092%) HDFS
2 1 (0.092%) Virtual Machines
Systems Management
1 6 (0.55%) Ansible
1 6 (0.55%) Kubernetes
1 6 (0.55%) Puppet
2 4 (0.37%) Mesos
2 4 (0.37%) Opscode Chef
3 2 (0.18%) Marathon
3 2 (0.18%) Terraform
Vendors
1 25 (2.30%) Adobe
1 25 (2.30%) Oracle
2 16 (1.47%) Microsoft
3 15 (1.38%) Google
4 9 (0.83%) SAP
5 8 (0.74%) ServiceNow
6 6 (0.55%) Xamarin
7 5 (0.46%) Twitter
8 4 (0.37%) Marketo
8 4 (0.37%) Sitecore
8 4 (0.37%) Sybase
9 3 (0.28%) Apple
10 2 (0.18%) Appcelerator
10 2 (0.18%) Atlassian
10 2 (0.18%) Cisco
10 2 (0.18%) ESRI
10 2 (0.18%) Panasonic
10 2 (0.18%) Progress
10 2 (0.18%) Reuters
10 2 (0.18%) Telerik
City, London
TEKsystems
Rate: £575 - £650 per day
Posted: 6 hours ago
City, London
ARC IT Recruitment Ltd
Rate: £350 per day
Posted: 7 hours ago
City of London
TDA Group
Rate: £80000 - £100000 per annum + Bonus
Posted: 14 hours ago
London
Hays London City Cheapside
Rate: £500.00 - £610.00 per day
Posted: 14 hours ago
City, London
ANSON MCCADE
Rate: UKP 600 per day
Posted: Yesterday
London
Square One Resources
Rate: Unspecified
Posted: Yesterday
City, London
Oscar
Rate: £300 - £340 per day
Posted: Yesterday
London
Burns Sheehan
Rate: £400 - £435 per day
Posted: 4 days ago
London
Explore Group
Rate: £450 - £500 per day
Posted: 3 days ago
London
Oliver Bernard
Rate: £450 - £500 per day
Posted: 2 days ago
London
Total Recruitment Specialists Limited / TRG / Total recruitment group
Rate: £400 - £600 Per Day
Posted: 4 days ago
City, London
TEKsystems
Rate: £550 - £650 per day
Posted: 4 days ago
City, London
Pioneer Search
Rate: £450 - £500 per day
Posted: 2 days ago
London
Client Server
Rate: £450 to £500 p/day
Posted: 4 days ago
London
CodeSource Recruitment Limited
Rate: From £350 to £400 per day 3 month rolling contracts - Long term projec
Posted: 4 days ago
London
CodeSource Recruitment Limited
Rate: From £350 to £400 per day 3 month rolling contracts - Long term projec
Posted: 4 days ago
London
Venturi
Rate: £350.00 - £375.00 per day
Posted: 3 days ago
City, London
Total Recruitment Specialists Limited / TRG / Total recruitment group
Rate: £400 - £500 Per Day
Posted: 5 days ago