The following table provides summary statistics for contract job vacancies advertised in West Yorkshire 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 27 April 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
Yorkshire / West Yorkshire
3 months to
27 Apr 2017
Same period 2016 Same period 2015
Rank 92 119 104
Rank change year-on-year +27 -15  
Contract jobs citing Backbone.js 5 1 16
As % of all contract IT jobs advertised in West Yorkshire 0.36% 0.049% 0.80%
As % of the Libraries, Frameworks & Software Standards category 0.97% 0.14% 2.73%
Number of daily rates quoted 4 1 7
Median daily rate £385 £425 £355
Median daily rate % change year-on-year -9.41% +19.71%  
90% offered a daily rate of more than £333 £425 £249
10% offered a daily rate of more than £420 £425 £385
UK excluding London median daily rate £375 £325 £355
% change year-on-year +15.38% -8.45%  
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 West Yorkshire with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
West Yorkshire
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 513 691 586
As % of all contract IT job vacancies advertised in West Yorkshire 37.31% 33.82% 29.27%
Number of daily rates quoted 380 504 350
Median daily rate £375 £420 £350
Median daily rate % change year-on-year -10.71% +20.00%  
90% offered a daily rate of more than £300 £313 £265
10% offered a daily rate of more than £475 £500 £450
UK excluding London median daily rate £375 £375 £350
% change year-on-year - +7.14%  
Number of hourly rates quoted 0 6 6
Median hourly rate - £9.00 £40.00
Median hourly rate % change year-on-year - -77.50%  
UK excluding London median hourly rate £42.50 £35.00 £36.50
% change year-on-year +21.42% -4.10%  

Backbone.js
Job Vacancy Trend in West Yorkshire

The job posting trend of jobs advertised in West Yorkshire 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 West Yorkshire

Backbone.js
Contractor Daily Rate Trend in West Yorkshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Backbone.js in West Yorkshire.

Contractor daily rate trend for Backbone.js in West Yorkshire

Backbone.js
Contract Job Locations in West Yorkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Backbone.js within the West Yorkshire region over the 3 months to 27 April 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
Leeds +22 5 £385 -9.41% 3
Backbone.js
Yorkshire

For the 6 months to 27 April 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 West Yorkshire region with a requirement for Backbone.js.

1 10 (100.00%) JavaScript
1 10 (100.00%) AngularJS
2 8 (80.00%) Node.js
2 8 (80.00%) Agile Software Development
3 7 (70.00%) React
4 6 (60.00%) TDD
4 6 (60.00%) HTML
4 6 (60.00%) CSS
4 6 (60.00%) CSS3
4 6 (60.00%) HTML5
5 4 (40.00%) OO
5 4 (40.00%) Ember.js
5 4 (40.00%) Front End Development
5 4 (40.00%) Redux
6 3 (30.00%) Python
6 3 (30.00%) Java
6 3 (30.00%) Pair Programming
6 3 (30.00%) Ruby
6 3 (30.00%) WordPress
6 3 (30.00%) User Experience
6 3 (30.00%) Grunt
7 2 (20.00%) Git (software)
7 2 (20.00%) Mocha
7 2 (20.00%) Jasmine
7 2 (20.00%) jQuery
7 2 (20.00%) Continuous Integration
7 2 (20.00%) Selenium
7 2 (20.00%) E-Commerce
7 2 (20.00%) PHP
7 2 (20.00%) SQL

Backbone.js
Co-occurring IT Skills in West Yorkshire 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 (30.00%) WordPress
2 1 (10.00%) CMS
2 1 (10.00%) Drupal
2 1 (10.00%) Tornado
Applications
1 2 (20.00%) Photoshop
Communications & Networking
1 1 (10.00%) Internet
Development Applications
1 3 (30.00%) Grunt
2 2 (20.00%) Babel
2 2 (20.00%) Git (software)
2 2 (20.00%) gulp
2 2 (20.00%) Jasmine
2 2 (20.00%) Mocha
2 2 (20.00%) Protractor
2 2 (20.00%) Selenium
2 2 (20.00%) webpack
3 1 (10.00%) Hudson
3 1 (10.00%) Jenkins
3 1 (10.00%) JIRA
3 1 (10.00%) Karma Test Runner
3 1 (10.00%) Mercurial
3 1 (10.00%) Subversion
3 1 (10.00%) TeamCity
Job Titles
1 10 (100.00%) Developer
2 8 (80.00%) JavaScript Developer
3 4 (40.00%) Front End Developer (Client-Side Developer)
4 1 (10.00%) Front End Web Developer (Client-Side Developer)
4 1 (10.00%) Full Stack Developer
4 1 (10.00%) Java Developer
4 1 (10.00%) Node.js Developer
4 1 (10.00%) PHP Developer
4 1 (10.00%) UI Developer
4 1 (10.00%) Web Developer
Libraries, Frameworks & Software Standards
1 10 (100.00%) AngularJS
2 8 (80.00%) Node.js
3 7 (70.00%) React
4 6 (60.00%) CSS
4 6 (60.00%) CSS3
4 6 (60.00%) HTML
4 6 (60.00%) HTML5
5 4 (40.00%) Ember.js
5 4 (40.00%) Redux
6 2 (20.00%) jQuery
7 1 (10.00%) CodeIgniter
7 1 (10.00%) KnockoutJS
7 1 (10.00%) Laravel
7 1 (10.00%) LESS
7 1 (10.00%) RESTful
7 1 (10.00%) Sass
7 1 (10.00%) Spring
7 1 (10.00%) Spring MVC
7 1 (10.00%) Symfony
7 1 (10.00%) XHTML
Miscellaneous
1 3 (30.00%) User Experience
2 1 (10.00%) Algorithms
2 1 (10.00%) Analytical Skills
2 1 (10.00%) Computer Science
2 1 (10.00%) Data Structures
2 1 (10.00%) Greenfield Project
2 1 (10.00%) RIA
Processes & Methodologies
1 8 (80.00%) Agile Software Development
2 6 (60.00%) TDD
3 4 (40.00%) Front End Development
3 4 (40.00%) OO
4 3 (30.00%) Pair Programming
5 2 (20.00%) Continuous Integration
5 2 (20.00%) E-Commerce
6 1 (10.00%) Automated Testing
6 1 (10.00%) Isomorphic Development
6 1 (10.00%) Isomorphic JavaScript
6 1 (10.00%) MVC
6 1 (10.00%) OO PHP
6 1 (10.00%) Open Source
6 1 (10.00%) Performance Optimisation
6 1 (10.00%) SOA
6 1 (10.00%) UX Design
6 1 (10.00%) Web Development
Programming Languages
1 10 (100.00%) JavaScript
2 3 (30.00%) Java
2 3 (30.00%) Python
2 3 (30.00%) Ruby
3 2 (20.00%) PHP
3 2 (20.00%) SQL
4 1 (10.00%) C#
4 1 (10.00%) ES6
System Software
1 1 (10.00%) Docker
Systems Management
1 1 (10.00%) Ansible
1 1 (10.00%) Salt
Vendors
1 1 (10.00%) Zend