Period
to 19 June 2018

The following table provides summary statistics for contract job vacancies advertised in Leeds 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 6 months to 19 June 2018 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
6 months to
19 Jun 2018
Same period 2017 Same period 2016
Rank 151 123 131
Rank change year-on-year -28 +8 -6
Contract jobs citing Backbone.js 3 7 18
As % of all contract IT jobs advertised in Leeds 0.12% 0.33% 0.63%
As % of the Libraries, Frameworks & Software Standards category 0.29% 0.81% 1.63%
Number of daily rates quoted 3 5 14
Leeds median daily rate £475 £350 £410
Median daily rate % change year-on-year +35.71% -14.63% +12.33%
10th Percentile £438 £318 £311
90th Percentile £513 £430 £521
West Yorkshire median daily rate £475 £385 £400
% change year-on-year +23.38% -3.75% +12.68%
Number of hourly rates quoted 0 0 0
Leeds median hourly rate - - -
West Yorkshire median hourly rate - - -

Backbone.js is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Leeds with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Leeds
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 1,038 863 1,105
As % of all contract IT jobs advertised in Leeds 41.19% 40.78% 38.68%
Number of daily rates quoted 752 641 820
Leeds median daily rate £400 £400 £400
10th Percentile £306 £308 £305
90th Percentile £525 £510 £538
West Yorkshire median daily rate £400 £400 £400
Number of hourly rates quoted 1 3 7
Leeds median hourly rate £42.00 £22.50 £10.20
Median hourly rate % change year-on-year +86.67% +120.59% -61.87%
10th Percentile £41.00 £18.75 £9.72
90th Percentile £43.00 £26.25 £13.12
West Yorkshire median hourly rate £42.00 £22.50 £10.20
% change year-on-year +86.67% +120.59% -74.50%

Backbone.js
Job Vacancy Trend in Leeds

Job postings citing Backbone.js as a percentage of all IT jobs advertised in Leeds.

Job vacancy trend for Backbone.js in Leeds

Backbone.js
Contractor Daily Rate Trend in Leeds

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

Contractor daily rate trend for Backbone.js in Leeds

For the 6 months to 19 June 2018, IT contractor jobs citing Backbone.js also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Leeds region with a requirement for Backbone.js.

1 3 (100.00%) C#
1 3 (100.00%) JavaScript
1 3 (100.00%) .NET
1 3 (100.00%) Scrum
1 3 (100.00%) Agile Software Development
1 3 (100.00%) Test Automation
1 3 (100.00%) Microsoft Azure
1 3 (100.00%) Security Testing
1 3 (100.00%) Ember.js
1 3 (100.00%) AngularJS
1 3 (100.00%) Mobile App
1 3 (100.00%) Docker
1 3 (100.00%) DevOps
1 3 (100.00%) React
1 3 (100.00%) Meteor
1 3 (100.00%) Mobile Development
1 3 (100.00%) Vue (Vue.js)
2 2 (66.67%) Cross-Platform Development
2 2 (66.67%) webpack
2 2 (66.67%) SonarQube
2 2 (66.67%) Octopus Deploy
2 2 (66.67%) Apple iOS
2 2 (66.67%) Xamarin
2 2 (66.67%) Karma Test Runner
2 2 (66.67%) Android Development
2 2 (66.67%) iOS Development
2 2 (66.67%) Android
2 2 (66.67%) TeamCity
2 2 (66.67%) OpenID
2 2 (66.67%) JSON

Backbone.js
Co-occurring IT Skills in Leeds 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:

Cloud Services
1 3 (100.00%) Microsoft Azure
Development Applications
1 2 (66.67%) Karma Test Runner
1 2 (66.67%) Octopus Deploy
1 2 (66.67%) Selenium
1 2 (66.67%) SonarQube
1 2 (66.67%) TeamCity
1 2 (66.67%) webpack
2 1 (33.33%) Jenkins
Job Titles
1 1 (33.33%) Android Engineer
Libraries, Frameworks & Software Standards
1 3 (100.00%) .NET
1 3 (100.00%) AngularJS
1 3 (100.00%) Ember.js
1 3 (100.00%) Meteor
1 3 (100.00%) React
1 3 (100.00%) Vue (Vue.js)
2 2 (66.67%) JSON
2 2 (66.67%) OpenID
2 2 (66.67%) XML
Miscellaneous
1 3 (100.00%) Mobile App
Operating Systems
1 2 (66.67%) Android
1 2 (66.67%) Apple iOS
Processes & Methodologies
1 3 (100.00%) Agile Software Development
1 3 (100.00%) DevOps
1 3 (100.00%) Mobile Development
1 3 (100.00%) Scrum
1 3 (100.00%) Security Testing
1 3 (100.00%) Test Automation
2 2 (66.67%) Android Development
2 2 (66.67%) Cross-Platform Development
2 2 (66.67%) iOS Development
Programming Languages
1 3 (100.00%) C#
1 3 (100.00%) JavaScript
System Software
1 3 (100.00%) Docker
Systems Management
1 1 (33.33%) Ansible
1 1 (33.33%) Kubernetes
1 1 (33.33%) Opscode Chef
1 1 (33.33%) Puppet
Vendors
1 2 (66.67%) Xamarin