The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Backbone.js skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Backbone.js over the 3 months to 24 June 2017 with a comparison to the 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.

Backbone.js
London / City of London
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 151 120 153
Rank change year-on-year -31 +33  
Contract jobs citing Backbone.js 15 45 55
As % of all contract IT jobs advertised in the City of London 0.46% 1.33% 0.95%
As % of the Libraries, Frameworks & Software Standards category 1.21% 3.82% 3.19%
Number of daily rates quoted 12 42 46
Median daily rate £475 £400 £375
Median daily rate % change year-on-year +18.75% +6.66%  
90% offered a daily rate of more than £450 £213 £298
10% offered a daily rate of more than £600 £473 £481
UK excluding London median daily rate £360 £375 £375
% change year-on-year -4.00% -  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Backbone.js is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
City of London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 1235 1179 1724
As % of all contract IT job vacancies advertised in the City of London 37.81% 34.85% 29.62%
Number of daily rates quoted 1006 1014 1396
Median daily rate £500 £450 £426
Median daily rate % change year-on-year +11.00% +5.75%  
90% offered a daily rate of more than £363 £325 £318
10% offered a daily rate of more than £625 £575 £600
UK excluding London median daily rate £398 £375 £350
% change year-on-year +6.00% +7.14%  
Number of hourly rates quoted 5 1 11
Median hourly rate £24.36 £20.00 £24.23
Median hourly rate % change year-on-year +21.80% -17.45%  
90% offered a hourly rate of more than £21.50 £20.00 £15.64
10% offered a hourly rate of more than £24.86 £20.00 £187.50
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

Backbone.js
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Backbone.js as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for Backbone.js in the City of London

Backbone.js
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 Backbone.js in the City of London.

Contractor daily rate trend for Backbone.js in the City of London

Backbone.js
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Backbone.js in the City of London over the 3 months to 24 June 2017.

Contractor daily rate histogram for Backbone.js in the City of London

For the 6 months to 24 June 2017, IT contractor jobs citing Backbone.js also mentioned the following 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 with a requirement for Backbone.js.

1 26 (100.00%) AngularJS
2 21 (80.77%) JavaScript
3 20 (76.92%) Agile Software Development
3 20 (76.92%) React
4 18 (69.23%) TDD
5 17 (65.38%) HTML
6 16 (61.54%) BDD
6 16 (61.54%) jQuery
6 16 (61.54%) HTML5
6 16 (61.54%) Front End Development
7 15 (57.69%) Node.js
7 15 (57.69%) Ember.js
7 15 (57.69%) CSS
8 13 (50.00%) CSS3
9 11 (42.31%) OO
9 11 (42.31%) User Experience
10 10 (38.46%) REST
10 10 (38.46%) Git (software)
11 9 (34.62%) RESTful
11 9 (34.62%) Selenium
11 9 (34.62%) Web Development
11 9 (34.62%) JSON
12 8 (30.77%) Java
12 8 (30.77%) MongoDB
13 7 (26.92%) Kanban
13 7 (26.92%) Scrum
13 7 (26.92%) Mobile App
14 6 (23.08%) Twitter Bootstrap
14 6 (23.08%) Banking
14 6 (23.08%) Test Automation

Backbone.js
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 4 (15.38%) Elasticsearch
2 3 (11.54%) CMS
2 3 (11.54%) EPiServer
2 3 (11.54%) Sitecore CMS
3 1 (3.85%) Apache
Business Applications
1 3 (11.54%) Eloqua
Cloud Services
1 3 (11.54%) Amazon AWS
1 3 (11.54%) GitHub
1 3 (11.54%) Google Play
1 3 (11.54%) Microsoft Azure
Communications & Networking
1 2 (7.69%) Internet
2 1 (3.85%) DNS
2 1 (3.85%) HTTP
2 1 (3.85%) SSL
Database & Business Intelligence
1 8 (30.77%) MongoDB
2 3 (11.54%) Couchbase
2 3 (11.54%) NoSQL
3 1 (3.85%) MySQL
3 1 (3.85%) Relational Database
Development Applications
1 10 (38.46%) Git (software)
2 9 (34.62%) Selenium
3 6 (23.08%) Cucumber
4 5 (19.23%) Capybara
4 5 (19.23%) gulp
4 5 (19.23%) JIRA
4 5 (19.23%) JUnit
5 4 (15.38%) Bower
5 4 (15.38%) Grunt
5 4 (15.38%) Karma Test Runner
5 4 (15.38%) Mocha
5 4 (15.38%) Protractor
6 3 (11.54%) Android Studio
6 3 (11.54%) Jasmine
6 3 (11.54%) Sinon.JS
6 3 (11.54%) Team Foundation Server
6 3 (11.54%) Visual Studio
7 2 (7.69%) Jenkins
7 2 (7.69%) Maven
8 1 (3.85%) QUnit
General
1 6 (23.08%) Banking
2 4 (15.38%) Finance
3 3 (11.54%) Advertising
3 3 (11.54%) Marketing
4 1 (3.85%) Front Office
4 1 (3.85%) Investment Banking
4 1 (3.85%) Multimedia
4 1 (3.85%) Retail
Job Titles
1 26 (100.00%) Developer
2 14 (53.85%) Front End Developer (Client-Side Developer)
3 9 (34.62%) JavaScript Developer
4 6 (23.08%) HTML Developer
4 6 (23.08%) Node.js Developer
5 5 (19.23%) Angular Developer
5 5 (19.23%) Mobile Developer
6 4 (15.38%) iOS Developer
7 3 (11.54%) Analyst
7 3 (11.54%) Analyst Developer
7 3 (11.54%) Android Developer
7 3 (11.54%) CSS Developer
7 3 (11.54%) HTML CSS Developer
7 3 (11.54%) Lead Analyst Developer
7 3 (11.54%) Lead Developer
7 3 (11.54%) UI Developer
7 3 (11.54%) Web Developer
8 2 (7.69%) Front End Web Developer (Client-Side Developer)
8 2 (7.69%) Senior Developer
9 1 (3.85%) iOS Android Developer
Libraries, Frameworks & Software Standards
1 26 (100.00%) AngularJS
2 20 (76.92%) React
3 17 (65.38%) HTML
4 16 (61.54%) HTML5
4 16 (61.54%) jQuery
5 15 (57.69%) CSS
5 15 (57.69%) Ember.js
5 15 (57.69%) Node.js
6 13 (50.00%) CSS3
7 10 (38.46%) REST
8 9 (34.62%) JSON
8 9 (34.62%) RESTful
9 6 (23.08%) Sass
9 6 (23.08%) Twitter Bootstrap
10 5 (19.23%) Apache Cordova
10 5 (19.23%) D3.js
10 5 (19.23%) Dojo
10 5 (19.23%) LESS
10 5 (19.23%) PhoneGap
10 5 (19.23%) React Native
Miscellaneous
1 11 (42.31%) User Experience
2 7 (26.92%) Mobile App
3 5 (19.23%) Greenfield Project
4 3 (11.54%) Cloud Native
5 1 (3.85%) Derivative
5 1 (3.85%) e-Learning
5 1 (3.85%) Equities
5 1 (3.85%) Fintech
5 1 (3.85%) Graphic Design
Operating Systems
1 5 (19.23%) Apple iOS
2 3 (11.54%) Android
3 1 (3.85%) Linux
Processes & Methodologies
1 20 (76.92%) Agile Software Development
2 18 (69.23%) TDD
3 16 (61.54%) BDD
3 16 (61.54%) Front End Development
4 11 (42.31%) OO
5 9 (34.62%) Web Development
6 7 (26.92%) Kanban
6 7 (26.92%) Scrum
7 6 (23.08%) Test Automation
8 5 (19.23%) Analytics
8 5 (19.23%) ATDD
8 5 (19.23%) Cross-Platform Development
8 5 (19.23%) Mobile First
8 5 (19.23%) MVC
8 5 (19.23%) Pair Programming
8 5 (19.23%) Prototyping
8 5 (19.23%) Responsive Web Design
8 5 (19.23%) Software Delivery
8 5 (19.23%) Web Application Development
9 4 (15.38%) iOS Development
Programming Languages
1 21 (80.77%) JavaScript
2 8 (30.77%) Java
3 4 (15.38%) ES6
4 3 (11.54%) Apple Swift
4 3 (11.54%) C
4 3 (11.54%) Objective-C
4 3 (11.54%) SQL
5 2 (7.69%) Ruby
6 1 (3.85%) PHP
6 1 (3.85%) Scala
Qualifications
1 4 (15.38%) SC Cleared
1 4 (15.38%) Security Cleared
2 3 (11.54%) Degree
Quality Assurance & Compliance
1 1 (3.85%) QA
System Software
1 4 (15.38%) Docker
Systems Management
1 2 (7.69%) Puppet
Vendors
1 5 (19.23%) Apple
1 5 (19.23%) Telerik
1 5 (19.23%) Xamarin
2 3 (11.54%) Google
2 3 (11.54%) Marketo
2 3 (11.54%) Sitecore
City, London
ARC IT Recruitment Ltd
Rate: £350 per day
Posted: Yesterday
City, London
McGregor Boyall
Rate: £500 - £700 per annum
Posted: 3 days ago