The following table provides summary statistics for contract job vacancies advertised in 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 24 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
England / Yorkshire
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 119 125 129
Rank change year-on-year +6 +4  
Contract jobs citing Backbone.js 6 20 16
As % of all contract IT jobs advertised in Yorkshire 0.30% 0.71% 0.54%
As % of the Libraries, Frameworks & Software Standards category 0.83% 2.08% 2.09%
Number of daily rates quoted 5 16 8
Median daily rate £420 £425 £425
Median daily rate % change year-on-year -1.17% -  
90% offered a daily rate of more than £360 £324 £328
10% offered a daily rate of more than £453 £483 £550
UK excluding London median daily rate £360 £375 £375
% change year-on-year -4.00% -  
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 Yorkshire with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Yorkshire
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 727 960 766
As % of all contract IT job vacancies advertised in Yorkshire 36.57% 34.10% 26.06%
Number of daily rates quoted 522 687 522
Median daily rate £388 £400 £335
Median daily rate % change year-on-year -3.12% +19.40%  
90% offered a daily rate of more than £300 £305 £285
10% offered a daily rate of more than £500 £500 £450
UK excluding London median daily rate £398 £375 £350
% change year-on-year +6.00% +7.14%  
Number of hourly rates quoted 2 2 7
Median hourly rate £41.88 £13.85 £40.00
Median hourly rate % change year-on-year +202.34% -65.37%  
90% offered a hourly rate of more than £41.38 £10.93 £35.00
10% offered a hourly rate of more than £42.38 £16.77 £45.00
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 Yorkshire

The job posting trend of jobs advertised in 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 Yorkshire

Backbone.js
Contractor Daily Rate Trend in Yorkshire

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

Contractor daily rate trend for Backbone.js in Yorkshire

Backbone.js
Contract Job Locations in 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 Yorkshire region over the 3 months to 24 June 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
West Yorkshire +10 4 £420 - 3
South Yorkshire +6 2 £375 -
Backbone.js
England

For the 6 months to 24 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 Yorkshire region with a requirement for Backbone.js.

1 12 (92.31%) AngularJS
2 11 (84.62%) JavaScript
3 8 (61.54%) Agile Software Development
3 8 (61.54%) React
4 7 (53.85%) Node.js
4 7 (53.85%) TDD
4 7 (53.85%) CSS
4 7 (53.85%) HTML
4 7 (53.85%) Java
5 6 (46.15%) Front End Development
6 5 (38.46%) RESTful
6 5 (38.46%) CSS3
6 5 (38.46%) HTML5
7 4 (30.77%) Git (software)
7 4 (30.77%) Continuous Integration
7 4 (30.77%) Jenkins
7 4 (30.77%) Ember.js
7 4 (30.77%) Python
7 4 (30.77%) OO
7 4 (30.77%) Maven
7 4 (30.77%) Ruby
8 3 (23.08%) Subversion
8 3 (23.08%) JSON
8 3 (23.08%) SOA
8 3 (23.08%) SOAP
8 3 (23.08%) Oracle
8 3 (23.08%) Gradle
8 3 (23.08%) Oracle SOA Suite
8 3 (23.08%) DevOps
8 3 (23.08%) Sonatype Nexus

Backbone.js
Co-occurring IT Skills in 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 (23.08%) Oracle SOA Suite
2 2 (15.38%) WordPress
3 1 (7.69%) Apache
3 1 (7.69%) Cloud Foundry
3 1 (7.69%) CMS
3 1 (7.69%) Drupal
3 1 (7.69%) Tornado
Applications
1 1 (7.69%) Microsoft Excel
1 1 (7.69%) Microsoft PowerPoint
1 1 (7.69%) MS Visio
1 1 (7.69%) Photoshop
Cloud Services
1 2 (15.38%) Amazon AWS
2 1 (7.69%) Amazon S3
2 1 (7.69%) GitHub
2 1 (7.69%) Google Cloud Platform
2 1 (7.69%) Microsoft Azure
Communications & Networking
1 1 (7.69%) HTTP
Database & Business Intelligence
1 3 (23.08%) MongoDB
2 2 (15.38%) Apache Cassandra
2 2 (15.38%) NoSQL
3 1 (7.69%) CouchDB
3 1 (7.69%) MySQL
3 1 (7.69%) Redis
3 1 (7.69%) Relational Database
3 1 (7.69%) SQL Server
Development Applications
1 4 (30.77%) Git (software)
1 4 (30.77%) Jenkins
1 4 (30.77%) Maven
2 3 (23.08%) Gradle
2 3 (23.08%) Sonatype Nexus
2 3 (23.08%) Subversion
3 2 (15.38%) Eclipse
3 2 (15.38%) Grunt
3 2 (15.38%) IntelliJ
3 2 (15.38%) Selenium
4 1 (7.69%) gulp
4 1 (7.69%) Hudson
4 1 (7.69%) JIRA
4 1 (7.69%) JUnit
4 1 (7.69%) Karma Test Runner
4 1 (7.69%) Mercurial
4 1 (7.69%) Mocha
4 1 (7.69%) Protractor
4 1 (7.69%) TeamCity
4 1 (7.69%) VSS/SourceSafe
General
1 2 (15.38%) Finance
2 1 (7.69%) Banking
Job Titles
1 11 (84.62%) Developer
2 6 (46.15%) Front End Developer (Client-Side Developer)
3 4 (30.77%) JavaScript Developer
4 2 (15.38%) Java Developer
5 1 (7.69%) Architect
5 1 (7.69%) Front End Web Developer (Client-Side Developer)
5 1 (7.69%) Node.js Developer
5 1 (7.69%) PHP Developer
5 1 (7.69%) Solutions Architect
5 1 (7.69%) Technical Architect
5 1 (7.69%) Technical Solutions Architect
5 1 (7.69%) Web Developer
Libraries, Frameworks & Software Standards
1 12 (92.31%) AngularJS
2 8 (61.54%) React
3 7 (53.85%) CSS
3 7 (53.85%) HTML
3 7 (53.85%) Node.js
4 5 (38.46%) CSS3
4 5 (38.46%) HTML5
4 5 (38.46%) RESTful
5 4 (30.77%) Ember.js
6 3 (23.08%) jQuery
6 3 (23.08%) JSON
6 3 (23.08%) SOAP
7 2 (15.38%) ActiveMQ
7 2 (15.38%) JMS
7 2 (15.38%) KnockoutJS
7 2 (15.38%) Laravel
7 2 (15.38%) Redux
7 2 (15.38%) REST
7 2 (15.38%) Spring
7 2 (15.38%) Spring Boot
Miscellaneous
1 3 (23.08%) Greenfield Project
2 2 (15.38%) Analytical Skills
2 2 (15.38%) Data Structures
2 2 (15.38%) User Experience
3 1 (7.69%) Algorithms
3 1 (7.69%) Computer Science
3 1 (7.69%) Fintech
Operating Systems
1 2 (15.38%) Linux
Processes & Methodologies
1 8 (61.54%) Agile Software Development
2 7 (53.85%) TDD
3 6 (46.15%) Front End Development
4 4 (30.77%) Continuous Integration
4 4 (30.77%) OO
5 3 (23.08%) BDD
5 3 (23.08%) DevOps
5 3 (23.08%) SOA
5 3 (23.08%) Test Automation
6 2 (15.38%) Data Modelling
6 2 (15.38%) Dependency Injection
6 2 (15.38%) Integration Testing
6 2 (15.38%) Pair Programming
6 2 (15.38%) Scrum
6 2 (15.38%) UML
6 2 (15.38%) Web Development
7 1 (7.69%) Data Protection
7 1 (7.69%) E-Commerce
7 1 (7.69%) OOD
7 1 (7.69%) OOP
Programming Languages
1 11 (84.62%) JavaScript
2 7 (53.85%) Java
3 4 (30.77%) Python
3 4 (30.77%) Ruby
4 2 (15.38%) C#
4 2 (15.38%) PHP
4 2 (15.38%) SQL
Qualifications
1 1 (7.69%) BC Cleared
1 1 (7.69%) Security Cleared
Quality Assurance & Compliance
1 1 (7.69%) Disclosure Scotland
System Software
1 1 (7.69%) Docker
Systems Management
1 1 (7.69%) Ansible
1 1 (7.69%) Salt
Vendors
1 3 (23.08%) Oracle
2 1 (7.69%) Google
2 1 (7.69%) IBM
2 1 (7.69%) MuleSoft
2 1 (7.69%) TIBCO
2 1 (7.69%) Zend