Period
to 23 November 2017

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 6 months to 23 November 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
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 90 100 81
Rank change year-on-year +10 -19 -10
Contract jobs citing Backbone.js 6 2 5
As % of all contract IT jobs advertised in Birmingham 0.38% 0.13% 0.37%
As % of the Libraries, Frameworks & Software Standards category 1.48% 0.40% 1.72%
Number of daily rates quoted 4 0 5
Birmingham median daily rate £355 - £275
10th Percentile £325 - £264
90th Percentile £375 - £516
West Midlands median daily rate £351 £415 £290
% change year-on-year -15.54% +43.10% -22.67%
Number of hourly rates quoted 0 0 0
Birmingham median hourly rate - - -
West Midlands 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 Birmingham with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Birmingham
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 406 498 290
As % of all contract IT jobs advertised in Birmingham 25.45% 32.74% 21.20%
Number of daily rates quoted 290 321 186
Birmingham median daily rate £400 £375 £361
Median daily rate % change year-on-year +6.67% +3.81% +1.69%
10th Percentile £261 £250 £257
90th Percentile £526 £513 £488
West Midlands median daily rate £400 £375 £350
% change year-on-year +6.67% +7.14% -
Number of hourly rates quoted 2 3 6
Birmingham median hourly rate £26.75 £9.00 £13.21
Median hourly rate % change year-on-year +197.22% -31.88% -51.95%
10th Percentile £15.38 £8.75 £10.96
90th Percentile £38.33 £89.85 £18.75
West Midlands median hourly rate £30.58 £23.00 £28.69
% change year-on-year +32.96% -19.83% +4.33%

Backbone.js
Job Vacancy Trend in Birmingham

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

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 23 November 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 6 (100.00%) HTML
1 6 (100.00%) JavaScript
1 6 (100.00%) CSS
1 6 (100.00%) jQuery
1 6 (100.00%) HTML5
2 5 (83.33%) CSS3
2 5 (83.33%) .NET
3 4 (66.67%) Agile Software Development
3 4 (66.67%) Responsive Web Design
3 4 (66.67%) Web Development
3 4 (66.67%) AngularJS
4 3 (50.00%) LESS
4 3 (50.00%) User Experience
4 3 (50.00%) Business Analysis
4 3 (50.00%) SQL Server
4 3 (50.00%) C#
4 3 (50.00%) MVC
5 2 (33.33%) HTTP
5 2 (33.33%) Visual Studio
5 2 (33.33%) Ajax
5 2 (33.33%) Degree
5 2 (33.33%) QA
5 2 (33.33%) TDD
5 2 (33.33%) Scrum
5 2 (33.33%) Web Design
5 2 (33.33%) Microservices
5 2 (33.33%) React
5 2 (33.33%) SDLC
5 2 (33.33%) DBS Check
5 2 (33.33%) Ember.js

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 (16.67%) CMS
1 1 (16.67%) DNN
Applications
1 1 (16.67%) GIMP
1 1 (16.67%) Photoshop
Cloud Services
1 2 (33.33%) Amazon AWS
1 2 (33.33%) Microsoft Azure
Communications & Networking
1 2 (33.33%) HTTP
Database & Business Intelligence
1 3 (50.00%) SQL Server
Development Applications
1 2 (33.33%) Mercurial
1 2 (33.33%) Team Foundation Server
1 2 (33.33%) Visual Studio
General
1 1 (16.67%) Banking
1 1 (16.67%) Finance
1 1 (16.67%) Investment Banking
1 1 (16.67%) Retail Banking
Job Titles
1 6 (100.00%) Developer
2 2 (33.33%) Front End Developer (Client-Side Developer)
2 2 (33.33%) UI Developer
2 2 (33.33%) Web Developer
3 1 (16.67%) Angular Developer
3 1 (16.67%) C# Developer
3 1 (16.67%) HTML CSS Developer
3 1 (16.67%) HTML Developer
3 1 (16.67%) Java Developer
3 1 (16.67%) JavaScript Developer
3 1 (16.67%) Software Developer
Libraries, Frameworks & Software Standards
1 6 (100.00%) CSS
1 6 (100.00%) HTML
1 6 (100.00%) HTML5
1 6 (100.00%) jQuery
2 5 (83.33%) .NET
2 5 (83.33%) CSS3
3 4 (66.67%) AngularJS
4 3 (50.00%) LESS
5 2 (33.33%) Ajax
5 2 (33.33%) Ember.js
5 2 (33.33%) React
5 2 (33.33%) Redux
5 2 (33.33%) Twitter Bootstrap
6 1 (16.67%) .NET Framework
6 1 (16.67%) Durandal
6 1 (16.67%) KnockoutJS
6 1 (16.67%) Sass
Miscellaneous
1 3 (50.00%) User Experience
2 1 (16.67%) Enterprise Software
2 1 (16.67%) Greenfield Project
Processes & Methodologies
1 4 (66.67%) Agile Software Development
1 4 (66.67%) Responsive Web Design
1 4 (66.67%) Web Development
2 3 (50.00%) Business Analysis
2 3 (50.00%) MVC
3 2 (33.33%) BDD
3 2 (33.33%) Microservices
3 2 (33.33%) Progressive Web App
3 2 (33.33%) Scrum
3 2 (33.33%) SDLC
3 2 (33.33%) Software Engineering
3 2 (33.33%) TDD
3 2 (33.33%) Test Automation
3 2 (33.33%) Web Application Development
3 2 (33.33%) Web Design
4 1 (16.67%) Content Management
4 1 (16.67%) Cross-Browser Compatibility
4 1 (16.67%) Migration
4 1 (16.67%) Wealth Management
Programming Languages
1 6 (100.00%) JavaScript
2 3 (50.00%) C#
3 1 (16.67%) Java
3 1 (16.67%) SQL
Qualifications
1 2 (33.33%) DBS Check
1 2 (33.33%) Degree
Quality Assurance & Compliance
1 2 (33.33%) QA