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 March 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.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
Backbone.js
London / City of London
Rank 142 116 134
Rank change year-on-year -26 +18  
Contract jobs citing Backbone.js 11 42 55
As % of all contract IT jobs advertised in the City of London 0.36% 1.28% 1.09%
As % of the Libraries, Frameworks & Software Standards category 1.04% 3.90% 3.62%
Number of daily rates quoted 11 38 43
Median daily rate £450 £425 £425
Median daily rate % change year-on-year +5.88% -  
90% offered a daily rate of more than £350 £218 £325
10% offered a daily rate of more than £500 £533 £545
UK excluding London median daily rate £375 £325 £375
% change year-on-year +15.38% -13.33%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £35.00 -

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 1061 1077 1519
As % of all contract IT job vacancies advertised in the City of London 34.99% 32.70% 30.09%
Number of daily rates quoted 878 908 1213
Median daily rate £475 £463 £425
Median daily rate % change year-on-year +2.70% +8.82%  
90% offered a daily rate of more than £338 £325 £315
10% offered a daily rate of more than £625 £600 £578
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 2 5 7
Median hourly rate £35.00 £55.00 £27.37
Median hourly rate % change year-on-year -36.36% +100.94%  
UK excluding London median hourly rate £40.00 £38.00 £36.00
% change year-on-year +5.26% +5.55%  

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 March 2017.

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

Backbone.js
Top 30 Related IT Skills in the City of London

For the 6 months to 24 March 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 31 (93.94%) JavaScript
2 28 (84.85%) HTML
2 28 (84.85%) AngularJS
3 27 (81.82%) CSS
4 24 (72.73%) HTML5
5 23 (69.70%) CSS3
5 23 (69.70%) React
6 20 (60.61%) Agile Software Development
7 18 (54.55%) Ember.js
8 16 (48.48%) Web Development
8 16 (48.48%) JSON
9 15 (45.45%) Ajax
10 14 (42.42%) MVC
10 14 (42.42%) Grunt
10 14 (42.42%) Front End Development
11 13 (39.39%) Sass
11 13 (39.39%) REST
12 12 (36.36%) Responsive Web Design
12 12 (36.36%) Maven
13 11 (33.33%) Selenium
13 11 (33.33%) jQuery
13 11 (33.33%) OO
13 11 (33.33%) Jasmine
14 10 (30.30%) LESS
14 10 (30.30%) DOM
14 10 (30.30%) Web Design
14 10 (30.30%) gulp
14 10 (30.30%) Compass CSS Framework
15 9 (27.27%) Protractor
15 9 (27.27%) TDD

Backbone.js
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 (9.09%) Elasticsearch
2 1 (3.03%) Apache
2 1 (3.03%) Drupal
Cloud Services
1 5 (15.15%) GitHub
2 1 (3.03%) Akamai
Communications & Networking
1 9 (27.27%) DNS
1 9 (27.27%) HTTP
1 9 (27.27%) SSL
Database & Business Intelligence
1 1 (3.03%) MySQL
1 1 (3.03%) Relational Database
Development Applications
1 14 (42.42%) Grunt
2 12 (36.36%) Maven
3 11 (33.33%) Jasmine
3 11 (33.33%) Selenium
4 10 (30.30%) gulp
5 9 (27.27%) Bower
5 9 (27.27%) JSHint
5 9 (27.27%) Karma Test Runner
5 9 (27.27%) Protractor
5 9 (27.27%) QUnit
5 9 (27.27%) webpack
6 8 (24.24%) Git (software)
7 3 (9.09%) Cucumber
7 3 (9.09%) JIRA
8 2 (6.06%) Jenkins
8 2 (6.06%) RSpec
8 2 (6.06%) Vagrant
8 2 (6.06%) WebDriver
9 1 (3.03%) Ant
9 1 (3.03%) Mocha
General
1 2 (6.06%) Banking
1 2 (6.06%) Finance
2 1 (3.03%) Front Office
2 1 (3.03%) Investment Banking
2 1 (3.03%) Multimedia
2 1 (3.03%) Retail
Job Titles
1 33 (100.00%) Developer
2 18 (54.55%) Front End Developer (Client-Side Developer)
3 8 (24.24%) Web Developer
4 7 (21.21%) Front End Web Developer (Client-Side Developer)
4 7 (21.21%) JavaScript Developer
4 7 (21.21%) UI Developer
5 6 (18.18%) Web UI Developer
6 5 (15.15%) Senior Developer
7 4 (12.12%) Node.js Developer
8 3 (9.09%) Angular Developer
8 3 (9.09%) Java Developer
9 2 (6.06%) Full Stack Developer
9 2 (6.06%) Senior Java Developer
10 1 (3.03%) Drupal Developer
10 1 (3.03%) Front Office Developer
10 1 (3.03%) HTML Developer
10 1 (3.03%) PHP Developer
10 1 (3.03%) Senior Full Stack Developer
10 1 (3.03%) Senior JavaScript Developer
10 1 (3.03%) Senior PHP Developer
Libraries, Frameworks & Software Standards
1 28 (84.85%) AngularJS
1 28 (84.85%) HTML
2 27 (81.82%) CSS
3 24 (72.73%) HTML5
4 23 (69.70%) CSS3
4 23 (69.70%) React
5 18 (54.55%) Ember.js
6 16 (48.48%) JSON
7 15 (45.45%) Ajax
8 13 (39.39%) REST
8 13 (39.39%) Sass
9 11 (33.33%) jQuery
10 10 (30.30%) Compass CSS Framework
10 10 (30.30%) DOM
10 10 (30.30%) LESS
11 9 (27.27%) JSLint
11 9 (27.27%) Node.js
12 6 (18.18%) RESTful
13 5 (15.15%) Dojo
13 5 (15.15%) RabbitMQ
Miscellaneous
1 9 (27.27%) Graphic Design
2 4 (12.12%) Blackberry
2 4 (12.12%) User Experience
3 2 (6.06%) Mobile App
4 1 (3.03%) Derivative
4 1 (3.03%) e-Learning
4 1 (3.03%) Equities
4 1 (3.03%) Fintech
4 1 (3.03%) Linux Command Line
Operating Systems
1 4 (12.12%) Android
1 4 (12.12%) Apple iOS
1 4 (12.12%) webOS
1 4 (12.12%) Windows
1 4 (12.12%) Windows Phone
1 4 (12.12%) Windows Phone 7
2 3 (9.09%) Linux
3 2 (6.06%) Unix
Processes & Methodologies
1 20 (60.61%) Agile Software Development
2 16 (48.48%) Web Development
3 14 (42.42%) Front End Development
3 14 (42.42%) MVC
4 12 (36.36%) Responsive Web Design
5 11 (33.33%) OO
6 10 (30.30%) Web Design
7 9 (27.27%) TDD
8 6 (18.18%) BDD
9 4 (12.12%) Pair Programming
9 4 (12.12%) Progressive Enhancement
10 3 (9.09%) Continuous Integration
11 2 (6.06%) Mentoring
11 2 (6.06%) OOA/OOD
11 2 (6.06%) Open Source
11 2 (6.06%) Scrum
11 2 (6.06%) UX Design
11 2 (6.06%) Web Application Development
12 1 (3.03%) Coaching
12 1 (3.03%) Separation of Concerns
Programming Languages
1 31 (93.94%) JavaScript
2 6 (18.18%) Java
3 4 (12.12%) ES6
4 2 (6.06%) PHP
4 2 (6.06%) Ruby
4 2 (6.06%) Scala
4 2 (6.06%) SQL
Qualifications
1 6 (18.18%) SC Cleared
1 6 (18.18%) Security Cleared
2 1 (3.03%) Degree
Quality Assurance & Compliance
1 1 (3.03%) QA
System Software
1 5 (15.15%) Docker
Systems Management
1 2 (6.06%) Puppet
City, London
Square One Resources
Rate: From £300 to £400 per day
Posted: 2 days ago
City of London
Lawrence Harvey
Rate: £400 - £500 per day
Posted: 4 days ago
City of London
Lawrence Harvey
Rate: £450.00 - £550.00 per day
Posted: 4 days ago