The median contractor rate for a JavaScript Developer was £475 per day in advertised job vacancies in the City of London during the 3 months to 23 March 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.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
JavaScript Developer
London / City of London
Rank 80 92 134
Rank change year-on-year +12 +42  
Contract jobs requiring a JavaScript Developer 76 71 62
As % of all contract IT jobs advertised in the City of London 2.54% 2.16% 1.23%
As % of the Job Titles category 2.66% 2.26% 1.28%
Number of daily rates quoted 70 61 49
Median daily rate £475 £400 £479
Median daily rate % change year-on-year +18.75% -16.49%  
90% offered a daily rate of more than £350 £300 £325
10% offered a daily rate of more than £553 £540 £625
UK excluding London median daily rate £378 £350 £375
% change year-on-year +7.85% -6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £22.54 -
% change year-on-year +88.55% -  

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 2852 3136 4830
As % of all contract IT job vacancies advertised in the City of London 95.23% 95.38% 96.06%
Number of daily rates quoted 2214 2501 3637
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 £313 £300 £280
10% offered a daily rate of more than £650 £625 £600
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 30 46 74
Median hourly rate £19.00 £19.99 £18.50
Median hourly rate % change year-on-year -4.96% +8.06%  
90% offered a hourly rate of more than £13.50 £12.00 £12.50
10% offered a hourly rate of more than £29.38 £47.50 £27.37
UK excluding London median hourly rate £17.50 £20.00 £17.00
% change year-on-year -12.50% +17.64%  

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 23 March 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 hourly rates quoted in IT contractor 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 Related IT Skills in the City of London

For the 6 months to 23 March 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.

1 167 (100.00%) JavaScript
2 117 (70.06%) CSS
3 114 (68.26%) HTML
4 83 (49.70%) AngularJS
5 70 (41.92%) Agile Software Development
6 65 (38.92%) HTML5
7 62 (37.13%) CSS3
8 59 (35.33%) React
9 55 (32.93%) Node.js
10 52 (31.14%) Front End Development
11 49 (29.34%) TDD
12 45 (26.95%) Finance
13 36 (21.56%) Sass
14 33 (19.76%) RESTful
15 32 (19.16%) Scrum
16 30 (17.96%) Banking
16 30 (17.96%) jQuery
16 30 (17.96%) User Experience
17 27 (16.17%) Web Development
18 26 (15.57%) ES6
19 25 (14.97%) Redux
20 23 (13.77%) Twitter Bootstrap
20 23 (13.77%) Java
20 23 (13.77%) OO
21 21 (12.57%) Git (software)
21 21 (12.57%) Unit Testing
22 18 (10.78%) gulp
22 18 (10.78%) Jasmine
22 18 (10.78%) Web Services
22 18 (10.78%) Selenium

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 (1.80%) Elasticsearch
2 2 (1.20%) Drupal
3 1 (0.60%) Apache
3 1 (0.60%) CMS
3 1 (0.60%) IIS
Applications
1 3 (1.80%) Adobe Creative Suite
1 3 (1.80%) OmniGraffle
2 1 (0.60%) MS Excel
Business Applications
1 2 (1.20%) Magento
Cloud Services
1 7 (4.19%) SaaS
2 4 (2.40%) GitHub
3 3 (1.80%) Amazon AWS
4 1 (0.60%) Akamai
4 1 (0.60%) Google App Engine
4 1 (0.60%) Google Cloud Platform
4 1 (0.60%) IaaS
Communications & Networking
1 11 (6.59%) Internet
2 1 (0.60%) AMQP
Database & Business Intelligence
1 6 (3.59%) NoSQL
2 5 (2.99%) SQL Server
3 4 (2.40%) MongoDB
4 3 (1.80%) MySQL
5 2 (1.20%) Big Data
5 2 (1.20%) Hadoop
5 2 (1.20%) PostgreSQL
5 2 (1.20%) QlikView
6 1 (0.60%) Apache Cassandra
6 1 (0.60%) DB2
6 1 (0.60%) HBase
6 1 (0.60%) MariaDB
6 1 (0.60%) Relational Database
6 1 (0.60%) SQL Server 2008
6 1 (0.60%) SQL Server 2012
6 1 (0.60%) SQL Server Analysis Services
6 1 (0.60%) SQL Server Integration Services
6 1 (0.60%) SQL Server Reporting Services
Development Applications
1 21 (12.57%) Git (software)
2 18 (10.78%) gulp
2 18 (10.78%) Jasmine
2 18 (10.78%) Selenium
3 15 (8.98%) Grunt
3 15 (8.98%) Mocha
4 14 (8.38%) Cucumber
4 14 (8.38%) webpack
5 10 (5.99%) Karma Test Runner
6 9 (5.39%) WebDriver
7 7 (4.19%) Protractor
8 6 (3.59%) Babel
9 5 (2.99%) Bower
9 5 (2.99%) JIRA
9 5 (2.99%) Visual Studio
10 3 (1.80%) Axure RP
10 3 (1.80%) Balsamiq Mockups
10 3 (1.80%) Jenkins
10 3 (1.80%) SoapUI
10 3 (1.80%) WebStorm
General
1 45 (26.95%) Finance
2 30 (17.96%) Banking
3 14 (8.38%) Front Office
4 12 (7.19%) Investment Banking
5 10 (5.99%) Retail
6 4 (2.40%) Marketing
7 2 (1.20%) Advertising
7 2 (1.20%) Financial Institution
7 2 (1.20%) Games
7 2 (1.20%) Multimedia
7 2 (1.20%) Retail Banking
8 1 (0.60%) Interactive Media
8 1 (0.60%) Publishing
8 1 (0.60%) Telecoms
Libraries, Frameworks & Software Standards
1 117 (70.06%) CSS
2 114 (68.26%) HTML
3 83 (49.70%) AngularJS
4 65 (38.92%) HTML5
5 62 (37.13%) CSS3
6 59 (35.33%) React
7 55 (32.93%) Node.js
8 36 (21.56%) Sass
9 33 (19.76%) RESTful
10 30 (17.96%) jQuery
11 25 (14.97%) Redux
12 23 (13.77%) Twitter Bootstrap
13 18 (10.78%) Web Services
14 14 (8.38%) REST
15 12 (7.19%) JSON
15 12 (7.19%) Spring
16 11 (6.59%) D3.js
17 9 (5.39%) LESS
18 8 (4.79%) Express
19 7 (4.19%) Backbone.js
Miscellaneous
1 30 (17.96%) User Experience
2 10 (5.99%) RIA
3 7 (4.19%) Derivative
4 5 (2.99%) Computer Science
4 5 (2.99%) Equity Derivative
4 5 (2.99%) Fintech
4 5 (2.99%) NHS
5 4 (2.40%) Foreign Exchange (FX)
6 3 (1.80%) Equities
6 3 (1.80%) Fixed Income
6 3 (1.80%) Online Banking
7 2 (1.20%) e-Learning
7 2 (1.20%) Management Information System
7 2 (1.20%) Minimum Viable Product
8 1 (0.60%) Animation
8 1 (0.60%) Clustering
8 1 (0.60%) HoloLens
8 1 (0.60%) HTC Vive
8 1 (0.60%) Oculus Rift
8 1 (0.60%) STB
Operating Systems
1 7 (4.19%) Linux
2 3 (1.80%) Android
2 3 (1.80%) Apple iOS
3 2 (1.20%) Windows
4 1 (0.60%) Windows Server
4 1 (0.60%) Windows Server 2008
4 1 (0.60%) Windows Server 2012
Processes & Methodologies
1 70 (41.92%) Agile Software Development
2 52 (31.14%) Front End Development
3 49 (29.34%) TDD
4 32 (19.16%) Scrum
5 27 (16.17%) Web Development
6 23 (13.77%) OO
7 21 (12.57%) Unit Testing
8 16 (9.58%) Continuous Integration
8 16 (9.58%) MVC
9 14 (8.38%) BDD
10 12 (7.19%) Open Source
11 11 (6.59%) Low Latency
11 11 (6.59%) Software Engineering
12 10 (5.99%) Cross-Browser Compatibility
12 10 (5.99%) Data Visualisation
12 10 (5.99%) E-Commerce
12 10 (5.99%) High Availability
12 10 (5.99%) Microservices
12 10 (5.99%) Visualisation
13 9 (5.39%) Pair Programming
Programming Languages
1 167 (100.00%) JavaScript
2 26 (15.57%) ES6
3 23 (13.77%) Java
4 14 (8.38%) TypeScript
5 13 (7.78%) PHP
6 9 (5.39%) C#
6 9 (5.39%) ECMAScript
6 9 (5.39%) SQL
7 6 (3.59%) Python
8 2 (1.20%) Shell Script
8 2 (1.20%) T-SQL
9 1 (0.60%) Bash Shell
9 1 (0.60%) PowerShell
Qualifications
1 5 (2.99%) Degree
Quality Assurance & Compliance
1 3 (1.80%) MiFID
1 3 (1.80%) SDET
2 2 (1.20%) QA
System Software
1 2 (1.20%) Docker
2 1 (0.60%) HDFS
Systems Management
1 1 (0.60%) Ansible
1 1 (0.60%) Galera Cluster
1 1 (0.60%) Mesos
1 1 (0.60%) Opscode Chef
Vendors
1 3 (1.80%) Adobe
2 2 (1.20%) Twitter
3 1 (0.60%) Google
3 1 (0.60%) Microsoft
3 1 (0.60%) Oracle
3 1 (0.60%) Panasonic
3 1 (0.60%) Sybase
3 1 (0.60%) Teradata
City, London
james joseph associates
Posted: 15 hours ago
City, London
ARC IT Recruitment Ltd
Rate: £350 per day
Posted: 6 days ago