The following table provides summary statistics for contract job vacancies advertised in Wales 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 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
UK / Wales
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank - - 70
Contract jobs citing Backbone.js 0 0 6
As % of all contract IT jobs advertised in Wales - - 0.71%
As % of the Libraries, Frameworks & Software Standards category - - 2.11%
Number of daily rates quoted 0 0 5
Median daily rate - - £350
UK excluding London median daily rate £363 £375 £375
% change year-on-year -3.33% -  
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 Wales with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Wales
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 156 139 284
As % of all contract IT job vacancies advertised in Wales 25.08% 24.96% 33.61%
Number of daily rates quoted 118 104 202
Median daily rate £370 £400 £375
Median daily rate % change year-on-year -7.50% +6.66%  
90% offered a daily rate of more than £301 £300 £215
10% offered a daily rate of more than £450 £475 £450
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 3 1 1
Median hourly rate £16.50 £41.50 £55.00
Median hourly rate % change year-on-year -60.24% -24.54%  
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 Wales

The job posting trend of jobs advertised in Wales 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 Wales

Backbone.js
Contractor Daily Rate Trend in Wales

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

Contractor daily rate trend for Backbone.js in Wales

For the 6 months to 27 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 Wales region with a requirement for Backbone.js.

1 10 (100.00%) HTML
1 10 (100.00%) JavaScript
1 10 (100.00%) CSS
1 10 (100.00%) Ajax
1 10 (100.00%) Web Development
1 10 (100.00%) jQuery
1 10 (100.00%) Node.js
1 10 (100.00%) CSS3
1 10 (100.00%) KnockoutJS
1 10 (100.00%) AngularJS
1 10 (100.00%) Twitter Bootstrap
1 10 (100.00%) Durandal
1 10 (100.00%) Docker
1 10 (100.00%) User Experience
1 10 (100.00%) React
1 10 (100.00%) Agile Software Development
1 10 (100.00%) HTML5
1 10 (100.00%) Cross-Browser Compatibility
1 10 (100.00%) Wireframes
2 6 (60.00%) Front End Development
3 2 (20.00%) Data Protection
4 1 (10.00%) Banking
4 1 (10.00%) Telecoms

Backbone.js
Co-occurring IT Skills in Wales 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:

General
1 1 (10.00%) Banking
1 1 (10.00%) Telecoms
Job Titles
1 10 (100.00%) Developer
2 8 (80.00%) HTML CSS Developer
2 8 (80.00%) HTML Developer
3 7 (70.00%) Front End Developer (Client-Side Developer)
4 5 (50.00%) Web Developer
5 2 (20.00%) Front End Web Developer (Client-Side Developer)
5 2 (20.00%) UI Developer
5 2 (20.00%) UI/UX Developer
5 2 (20.00%) UX Developer
6 1 (10.00%) Web UI Developer
6 1 (10.00%) Web UI/UX Developer
Libraries, Frameworks & Software Standards
1 10 (100.00%) Ajax
1 10 (100.00%) AngularJS
1 10 (100.00%) CSS
1 10 (100.00%) CSS3
1 10 (100.00%) Durandal
1 10 (100.00%) HTML
1 10 (100.00%) HTML5
1 10 (100.00%) jQuery
1 10 (100.00%) KnockoutJS
1 10 (100.00%) Node.js
1 10 (100.00%) React
1 10 (100.00%) Twitter Bootstrap
Miscellaneous
1 10 (100.00%) User Experience
Processes & Methodologies
1 10 (100.00%) Agile Software Development
1 10 (100.00%) Cross-Browser Compatibility
1 10 (100.00%) Web Development
1 10 (100.00%) Wireframes
2 6 (60.00%) Front End Development
3 2 (20.00%) Data Protection
Programming Languages
1 10 (100.00%) JavaScript
System Software
1 10 (100.00%) Docker