The median contractor rate for a Senior JavaScript Developer was £500 per day in advertised job vacancies 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.

Senior JavaScript Developer
UK
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 513 580 570
Rank change year-on-year +67 -10  
Contract jobs requiring a Senior JavaScript Developer 97 74 72
As % of all contract IT jobs advertised in the UK 0.21% 0.14% 0.13%
As % of the Job Titles category 0.22% 0.14% 0.14%
Number of daily rates quoted 83 54 51
Median daily rate £500 £464 £400
Median daily rate % change year-on-year +7.81% +15.93%  
90% offered a daily rate of more than £400 £375 £325
10% offered a daily rate of more than £625 £593 £550
UK excluding London median daily rate £413 £388 £340
% change year-on-year +6.45% +13.97%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

The next table is for comparison with the above and includes summary statistics for all job roles in contract job vacancies. 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
UK
Contract job vacancies with a job title containing a recognized job role 44656 51218 52310
As % of all contract IT job vacancies advertised in the UK 94.78% 94.87% 94.84%
Number of daily rates quoted 28833 33387 32903
Median daily rate £438 £425 £400
Median daily rate % change year-on-year +2.94% +6.25%  
90% offered a daily rate of more than £275 £260 £245
10% offered a daily rate of more than £600 £600 £568
UK excluding London median daily rate £400 £400 £370
% change year-on-year - +8.10%  
Number of hourly rates quoted 1389 1533 1989
Median hourly rate £18.10 £17.50 £16.50
Median hourly rate % change year-on-year +3.42% +6.06%  
90% offered a hourly rate of more than £11.44 £11.00 £11.00
10% offered a hourly rate of more than £47.50 £44.00 £40.00
UK excluding London median hourly rate £17.50 £17.50 £16.14
% change year-on-year - +8.42%  

Senior JavaScript Developer
Job Vacancy Trend

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

Job vacancy trend for Senior JavaScript Developer in the UK

Senior JavaScript Developer
Contractor Daily Rate Trend

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

Contractor daily rate trend for Senior JavaScript Developer in the UK

Senior JavaScript Developer
Contractor Daily Rate Histogram

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

Contractor daily rate histogram for Senior JavaScript Developer in the UK

Senior JavaScript Developer
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Senior JavaScript Developer in the UK

Senior JavaScript Developer
Top 29 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Senior JavaScript Developer within the UK over the 3 months to 27 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
England +32 80 £513 +9.04% 49
London +17 63 £516 +8.68% 28
City of London +14 24 £575 +21.05% 6
South East +18 9 £450 -18.18% 8
County Antrim - 9 £413 -
Northern Ireland - 9 £413 -
Scotland +38 8 £413 +10.00% 4
Belfast - 8 £413 -
Edinburgh +26 7 £413 +10.00% 1
West Midlands +23 4 £400 +8.10% 3
Hampshire - 4 £450 - 6
Birmingham - 3 £400 -
North West +21 2 £394 +1.61% 4
East Midlands -4 2 £400 +66.66% 2
South West - 2 £370 - 1
Derby - 2 £400 -
Berkshire - 2 £450 -
Twickenham - 2 £475 -
Plymouth - 2 £370 -
Devon - 2 £370 -
Derbyshire - 2 £400 -
Cheshire +22 1 £363 -6.45% 1
Surrey +5 1 - -
Staffordshire +2 1 - - 1
Canary Wharf - 1 £588 -
Manchester - 1 £425 - 3
Lichfield - 1 - - 1
Chester - 1 £363 -
Basingstoke - 1 £430 - 1

Senior JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills

For the 6 months to 27 June 2017, Senior 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 featuring Senior JavaScript Developer in the job title.

1 181 (100.00%) JavaScript
2 113 (62.43%) HTML
3 109 (60.22%) CSS
4 106 (58.56%) AngularJS
5 84 (46.41%) Agile Software Development
6 81 (44.75%) React
7 70 (38.67%) TDD
8 68 (37.57%) HTML5
9 67 (37.02%) Node.js
10 59 (32.60%) Java
11 58 (32.04%) Front End Development
12 52 (28.73%) CSS3
13 49 (27.07%) Finance
14 42 (23.20%) Banking
15 38 (20.99%) Scrum
16 37 (20.44%) RESTful
16 37 (20.44%) User Experience
17 35 (19.34%) ES6
18 33 (18.23%) Sass
18 33 (18.23%) Spring
19 32 (17.68%) jQuery
20 30 (16.57%) Continuous Integration
21 29 (16.02%) OO
21 29 (16.02%) Redux
22 28 (15.47%) Twitter Bootstrap
23 27 (14.92%) C#
24 26 (14.36%) Git (software)
25 25 (13.81%) TypeScript
26 24 (13.26%) SQL
26 24 (13.26%) .NET

Senior JavaScript Developer Skill Set
Co-occurring IT Skills 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 8 (4.42%) WebSphere
2 5 (2.76%) CMS
3 4 (2.21%) Apache Spark
4 2 (1.10%) SharePoint
4 2 (1.10%) SharePoint 2010
5 1 (0.55%) Adobe Experience Manager
5 1 (0.55%) Cloud Foundry
5 1 (0.55%) Confluence
5 1 (0.55%) NServiceBus
5 1 (0.55%) WordPress
Applications
1 1 (0.55%) Adobe Illustrator
1 1 (0.55%) Photoshop
Business Applications
1 1 (0.55%) Payment Gateway
Cloud Services
1 9 (4.97%) Amazon AWS
2 7 (3.87%) SaaS
3 6 (3.31%) Microsoft Azure
4 2 (1.10%) Google App Engine
4 2 (1.10%) Google Cloud Platform
4 2 (1.10%) Heroku
5 1 (0.55%) AWS Elastic Beanstalk
5 1 (0.55%) Google Analytics
5 1 (0.55%) OpenShift
5 1 (0.55%) PaaS
Communications & Networking
1 3 (1.66%) DWDM
1 3 (1.66%) Ethernet
1 3 (1.66%) IPFIX
1 3 (1.66%) MRTG
1 3 (1.66%) SNMP
1 3 (1.66%) TCP/IP
2 2 (1.10%) IP Telephony
Database & Business Intelligence
1 11 (6.08%) Relational Database
2 7 (3.87%) Big Data
3 6 (3.31%) SQL Server
4 3 (1.66%) Apache Cassandra
4 3 (1.66%) MongoDB
5 2 (1.10%) Aerospike
5 2 (1.10%) MySQL
6 1 (0.55%) Hadoop
6 1 (0.55%) NoSQL
6 1 (0.55%) PostgreSQL
6 1 (0.55%) Qlik Sense
6 1 (0.55%) SQL Server 2014
Development Applications
1 26 (14.36%) Git (software)
2 21 (11.60%) webpack
3 20 (11.05%) gulp
4 17 (9.39%) TeamCity
5 16 (8.84%) Mocha
6 14 (7.73%) Jasmine
7 13 (7.18%) Cucumber
7 13 (7.18%) Grunt
7 13 (7.18%) Jenkins
8 8 (4.42%) Subversion
9 7 (3.87%) QUnit
10 6 (3.31%) Selenium
10 6 (3.31%) WebDriver
11 4 (2.21%) JIRA
11 4 (2.21%) Karma Test Runner
11 4 (2.21%) Maven
12 3 (1.66%) NUnit
12 3 (1.66%) PhantomJS
12 3 (1.66%) SpecFlow
12 3 (1.66%) Team Foundation Server
General
1 49 (27.07%) Finance
2 42 (23.20%) Banking
3 6 (3.31%) Investment Banking
3 6 (3.31%) Legal
4 3 (1.66%) Financial Institution
4 3 (1.66%) Front Office
5 2 (1.10%) Advertising
5 2 (1.10%) Back Office
5 2 (1.10%) Games
5 2 (1.10%) Law
5 2 (1.10%) Marketing
5 2 (1.10%) Retail
6 1 (0.55%) Prime Brokerage
Libraries, Frameworks & Software Standards
1 113 (62.43%) HTML
2 109 (60.22%) CSS
3 106 (58.56%) AngularJS
4 81 (44.75%) React
5 68 (37.57%) HTML5
6 67 (37.02%) Node.js
7 52 (28.73%) CSS3
8 37 (20.44%) RESTful
9 33 (18.23%) Sass
9 33 (18.23%) Spring
10 32 (17.68%) jQuery
11 29 (16.02%) Redux
12 28 (15.47%) Twitter Bootstrap
13 24 (13.26%) .NET
14 17 (9.39%) Backbone.js
14 17 (9.39%) Web Services
15 16 (8.84%) JSON
16 15 (8.29%) Hibernate
16 15 (8.29%) Spring Boot
17 14 (7.73%) D3.js
Miscellaneous
1 37 (20.44%) User Experience
2 22 (12.15%) Greenfield Project
3 14 (7.73%) Fixed Income
4 11 (6.08%) Mobile App
5 9 (4.97%) Foreign Exchange (FX)
6 8 (4.42%) Virtual Team
7 7 (3.87%) Derivative
8 4 (2.21%) Algorithms
8 4 (2.21%) Analytical Skills
8 4 (2.21%) Computer Science
9 3 (1.66%) Data Centre
10 2 (1.10%) Client/Server
10 2 (1.10%) Equities
10 2 (1.10%) Equity Derivative
10 2 (1.10%) Management Information System
10 2 (1.10%) Market Risk
10 2 (1.10%) Minimum Viable Product
11 1 (0.55%) Grid Computing
11 1 (0.55%) Online Games
11 1 (0.55%) W3C
Operating Systems
1 3 (1.66%) Windows
2 2 (1.10%) Linux
2 2 (1.10%) Unix
3 1 (0.55%) Android
3 1 (0.55%) Apple iOS
Processes & Methodologies
1 84 (46.41%) Agile Software Development
2 70 (38.67%) TDD
3 58 (32.04%) Front End Development
4 38 (20.99%) Scrum
5 30 (16.57%) Continuous Integration
6 29 (16.02%) OO
7 24 (13.26%) MVC
8 21 (11.60%) E-Commerce
8 21 (11.60%) Web Development
9 18 (9.94%) SDLC
10 17 (9.39%) BDD
10 17 (9.39%) Software Engineering
11 15 (8.29%) Test Automation
12 13 (7.18%) Refactoring
13 11 (6.08%) Continuous Improvement
14 10 (5.52%) MVVM
14 10 (5.52%) Unit Testing
15 9 (4.97%) Multithreading
15 9 (4.97%) Open Source
15 9 (4.97%) Pair Programming
Programming Languages
1 181 (100.00%) JavaScript
2 59 (32.60%) Java
3 35 (19.34%) ES6
4 27 (14.92%) C#
5 25 (13.81%) TypeScript
6 24 (13.26%) SQL
7 9 (4.97%) PHP
8 8 (4.42%) Python
9 3 (1.66%) C++
9 3 (1.66%) GraphQL
9 3 (1.66%) Perl
10 2 (1.10%) C
10 2 (1.10%) CoffeeScript
10 2 (1.10%) Ruby
10 2 (1.10%) Scala
11 1 (0.55%) PL/SQL
11 1 (0.55%) PowerShell
11 1 (0.55%) Shell Script
11 1 (0.55%) T-SQL
Qualifications
1 6 (3.31%) Degree
2 2 (1.10%) Security Cleared
3 1 (0.55%) Computer Science Degree
Quality Assurance & Compliance
1 2 (1.10%) Disclosure Scotland
1 2 (1.10%) QA
2 1 (0.55%) WAI
System Software
1 4 (2.21%) Docker
Systems Management
1 2 (1.10%) Kubernetes
1 2 (1.10%) Marathon
1 2 (1.10%) Mesos
1 2 (1.10%) Puppet
Vendors
1 12 (6.63%) Oracle
2 4 (2.21%) Cisco
3 3 (1.66%) Ciena
3 3 (1.66%) Google
3 3 (1.66%) Juniper
3 3 (1.66%) Microsoft
3 3 (1.66%) ServiceNow
3 3 (1.66%) Xamarin
4 2 (1.10%) Nintex
4 2 (1.10%) Solace
5 1 (0.55%) FXall
5 1 (0.55%) Reuters
5 1 (0.55%) VMware
London
Opus Recruitment Solutions Ltd
Rate: £400 - £500 per day
Posted: 13 hours ago
Edinburgh, Midlothian
HAYS INFORMATION TECHNOLOGY
Rate: £375.00 - £450.00 per day + Negotiable
Posted: 14 hours ago
Scotland
HAYS INFORMATION TECHNOLOGY
Rate: £450.00 - £550.00 per day
Posted: 13 hours ago
London
ReThink Recruitment
Rate: £450 - £500 per day
Posted: 18 hours ago
City, London
Oscar
Rate: £300 - £340 per day
Posted: 5 days ago
City of London
TDA Group
Rate: £80000 - £100000 per annum + Bonus
Posted: 4 days ago