The following table provides summary statistics for contract job vacancies advertised in Birmingham 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 26 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
West Midlands / Birmingham
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 51 - 63
Rank change year-on-year - 0  
Contract jobs citing Backbone.js 1 0 4
As % of all contract IT jobs advertised in Birmingham 0.16% - 0.54%
As % of the Libraries, Frameworks & Software Standards category 0.58% - 2.20%
Number of daily rates quoted 1 0 3
Median daily rate £360 - £330
UK excluding London median daily rate £361 £375 £375
% change year-on-year -3.66% -  
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 Birmingham with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Birmingham
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 172 235 182
As % of all contract IT job vacancies advertised in Birmingham 27.92% 28.83% 24.50%
Number of daily rates quoted 118 176 123
Median daily rate £375 £350 £350
Median daily rate % change year-on-year +7.14% -  
90% offered a daily rate of more than £275 £248 £238
10% offered a daily rate of more than £550 £458 £425
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 2 0 1
Median hourly rate £28.50 - £11.93
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 Birmingham

The job posting trend of jobs advertised in Birmingham 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 Birmingham

Backbone.js
Contractor Daily Rate Trend in Birmingham

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

Contractor daily rate trend for Backbone.js in Birmingham

For the 6 months to 26 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 Birmingham region with a requirement for Backbone.js.

1 2 (100.00%) Agile Software Development
1 2 (100.00%) TDD
1 2 (100.00%) BDD
1 2 (100.00%) JavaScript
2 1 (50.00%) MVC
2 1 (50.00%) Migration
2 1 (50.00%) CMS
2 1 (50.00%) Hibernate
2 1 (50.00%) HTML
2 1 (50.00%) Java
2 1 (50.00%) .NET
2 1 (50.00%) SQL Server
2 1 (50.00%) JUnit
2 1 (50.00%) Visual Studio
2 1 (50.00%) CSS
2 1 (50.00%) OO
2 1 (50.00%) RAD
2 1 (50.00%) Data Modelling
2 1 (50.00%) Eclipse
2 1 (50.00%) IntelliJ
2 1 (50.00%) CSS3
2 1 (50.00%) Responsive Web Design
2 1 (50.00%) Web Application Development
2 1 (50.00%) Bitbucket
2 1 (50.00%) Ember.js
2 1 (50.00%) AngularJS
2 1 (50.00%) Gradle
2 1 (50.00%) Jenkins
2 1 (50.00%) Twitter Bootstrap
2 1 (50.00%) User Experience

Backbone.js
Co-occurring IT Skills in Birmingham 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 (50.00%) CMS
1 1 (50.00%) DNN
Cloud Services
1 1 (50.00%) Microsoft Azure
Database & Business Intelligence
1 1 (50.00%) SQL Server
Development Applications
1 1 (50.00%) Bitbucket
1 1 (50.00%) Eclipse
1 1 (50.00%) Git (software)
1 1 (50.00%) Gradle
1 1 (50.00%) IntelliJ
1 1 (50.00%) Jenkins
1 1 (50.00%) JProfiler
1 1 (50.00%) JUnit
1 1 (50.00%) Maven
1 1 (50.00%) SonarQube
1 1 (50.00%) Visual Studio
Job Titles
1 2 (100.00%) Developer
2 1 (50.00%) Java Developer
2 1 (50.00%) Web Developer
Libraries, Frameworks & Software Standards
1 1 (50.00%) .NET
1 1 (50.00%) AngularJS
1 1 (50.00%) CSS
1 1 (50.00%) CSS3
1 1 (50.00%) Ember.js
1 1 (50.00%) Hibernate
1 1 (50.00%) HTML
1 1 (50.00%) HTML5
1 1 (50.00%) Java EE
1 1 (50.00%) JPA
1 1 (50.00%) jQuery
1 1 (50.00%) React
1 1 (50.00%) RESTful
1 1 (50.00%) Spring
1 1 (50.00%) Spring Boot
1 1 (50.00%) Twitter Bootstrap
Miscellaneous
1 1 (50.00%) User Experience
Processes & Methodologies
1 2 (100.00%) Agile Software Development
1 2 (100.00%) BDD
1 2 (100.00%) TDD
2 1 (50.00%) Business Analysis
2 1 (50.00%) Content Management
2 1 (50.00%) Data Modelling
2 1 (50.00%) Front End Development
2 1 (50.00%) Microservices
2 1 (50.00%) Migration
2 1 (50.00%) MVC
2 1 (50.00%) OO
2 1 (50.00%) RAD
2 1 (50.00%) Responsive Web Design
2 1 (50.00%) Test Automation
2 1 (50.00%) Unit Testing
2 1 (50.00%) Web Application Development
2 1 (50.00%) Web Development
Programming Languages
1 2 (100.00%) JavaScript
2 1 (50.00%) Java
Qualifications
1 1 (50.00%) DBS Check