Period
to 23 February 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 23 February 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
23 Feb 2018
Same period 2017 Same period 2016
Rank 140 126 138
Rank change year-on-year -14 +12 -14
Contract jobs citing Backbone.js 4 12 7
As % of all contract IT jobs advertised in Leeds 0.17% 0.53% 0.24%
As % of the Libraries, Frameworks & Software Standards category 0.47% 1.43% 0.66%
Number of daily rates quoted 4 7 5
Leeds median daily rate £475 £350 £400
Median daily rate % change year-on-year +35.71% -12.50% +15.94%
10th Percentile £438 £325 £350
90th Percentile £670 £438 £500
West Yorkshire median daily rate £475 £350 £400
% change year-on-year +35.71% -12.50% +30.08%
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 859 841 1,054
As % of all contract IT jobs advertised in Leeds 36.12% 37.41% 35.48%
Number of daily rates quoted 650 574 730
Leeds median daily rate £400 £405 £400
Median daily rate % change year-on-year -1.11% +1.13% +14.29%
10th Percentile £275 £300 £285
90th Percentile £533 £538 £560
West Yorkshire median daily rate £400 £400 £384
% change year-on-year - +4.23% +9.64%
Number of hourly rates quoted 1 4 6
Leeds median hourly rate £42.00 £22.50 £10.70
Median hourly rate % change year-on-year +86.67% +110.28% -
10th Percentile £41.00 £15.08 £10.20
90th Percentile £43.00 £26.25 £45.38
West Yorkshire median hourly rate £42.00 £22.50 £10.20
% change year-on-year +86.67% +120.59% -72.05%

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

Backbone.js
Contractor Daily Rate Histogram in Leeds

The daily rate distribution of IT jobs citing Backbone.js in Leeds over the 6 months to 23 February 2018.

Contractor daily rate histogram for Backbone.js in Leeds

For the 6 months to 23 February 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 4 (100.00%) AngularJS
2 3 (75.00%) Ember.js
2 3 (75.00%) Test Automation
2 3 (75.00%) Microsoft Azure
2 3 (75.00%) Security Testing
2 3 (75.00%) JavaScript
2 3 (75.00%) .NET
2 3 (75.00%) XML
2 3 (75.00%) Scrum
2 3 (75.00%) Agile Software Development
2 3 (75.00%) C#
2 3 (75.00%) Mobile App
2 3 (75.00%) Docker
2 3 (75.00%) DevOps
2 3 (75.00%) React
2 3 (75.00%) Meteor
2 3 (75.00%) Mobile Development
2 3 (75.00%) Vue (Vue.js)
3 2 (50.00%) webpack
3 2 (50.00%) SonarQube
3 2 (50.00%) Octopus Deploy
3 2 (50.00%) Karma Test Runner
3 2 (50.00%) Android Development
3 2 (50.00%) iOS Development
3 2 (50.00%) Cross-Platform Development
3 2 (50.00%) JSON
3 2 (50.00%) Android
3 2 (50.00%) TeamCity
3 2 (50.00%) Selenium
3 2 (50.00%) OpenID

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:

Application Platforms
1 1 (25.00%) Apache
1 1 (25.00%) Tomcat
Cloud Services
1 3 (75.00%) Microsoft Azure
Database & Business Intelligence
1 1 (25.00%) NoSQL
Development Applications
1 2 (50.00%) Karma Test Runner
1 2 (50.00%) Octopus Deploy
1 2 (50.00%) Selenium
1 2 (50.00%) SonarQube
1 2 (50.00%) TeamCity
1 2 (50.00%) webpack
2 1 (25.00%) Jenkins
General
1 1 (25.00%) Banking
1 1 (25.00%) Retail Banking
Job Titles
1 1 (25.00%) Android Engineer
1 1 (25.00%) Messaging Engineer
1 1 (25.00%) Platform Engineer
Libraries, Frameworks & Software Standards
1 4 (100.00%) AngularJS
2 3 (75.00%) .NET
2 3 (75.00%) Ember.js
2 3 (75.00%) Meteor
2 3 (75.00%) React
2 3 (75.00%) Vue (Vue.js)
2 3 (75.00%) XML
3 2 (50.00%) JSON
3 2 (50.00%) OpenID
4 1 (25.00%) HTML
4 1 (25.00%) HTML5
4 1 (25.00%) Kafka
4 1 (25.00%) MyBatis
4 1 (25.00%) Spring
Miscellaneous
1 3 (75.00%) Mobile App
Operating Systems
1 2 (50.00%) Android
1 2 (50.00%) Apple iOS
2 1 (25.00%) Unix
Processes & Methodologies
1 3 (75.00%) Agile Software Development
1 3 (75.00%) DevOps
1 3 (75.00%) Mobile Development
1 3 (75.00%) Scrum
1 3 (75.00%) Security Testing
1 3 (75.00%) Test Automation
2 2 (50.00%) Android Development
2 2 (50.00%) Cross-Platform Development
2 2 (50.00%) iOS Development
3 1 (25.00%) Open Source
3 1 (25.00%) Release Management
3 1 (25.00%) Software Engineering
Programming Languages
1 3 (75.00%) C#
1 3 (75.00%) JavaScript
2 1 (25.00%) Python
2 1 (25.00%) Shell Script
System Software
1 3 (75.00%) Docker
Systems Management
1 1 (25.00%) Ansible
1 1 (25.00%) Kubernetes
1 1 (25.00%) Opscode Chef
1 1 (25.00%) Puppet
Vendors
1 2 (50.00%) Xamarin