Period
to 24 November 2017

The following table provides summary statistics for contract job vacancies advertised in the City of London 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 24 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
Central London > City of London
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 209 175 182
Rank change year-on-year -34 +7 -1
Contract jobs citing Backbone.js 32 65 90
As % of all contract IT jobs advertised in the City of London 0.45% 0.97% 0.99%
As % of the Libraries, Frameworks & Software Standards category 1.18% 2.72% 3.19%
Number of daily rates quoted 26 53 78
City of London median daily rate £588 £400 £425
Median daily rate % change year-on-year +46.88% -5.88% +6.25%
10th Percentile £350 £319 £313
90th Percentile £650 £558 £617
Central London median daily rate £500 £410 £439
% change year-on-year +21.95% -6.55% +9.69%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London 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 the City of London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
City of London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 2704 2392 2820
As % of all contract IT jobs advertised in the City of London 37.81% 35.88% 31.03%
Number of daily rates quoted 2277 2021 2329
City of London median daily rate £513 £475 £475
Median daily rate % change year-on-year +7.89% - +5.56%
10th Percentile £363 £325 £313
90th Percentile £675 £650 £638
Central London median daily rate £500 £475 £463
% change year-on-year +5.26% +2.70% +8.82%
Number of hourly rates quoted 10 4 14
City of London median hourly rate £22.99 £35.00 £38.75
Median hourly rate % change year-on-year -34.31% -9.68% +29.17%
10th Percentile £20.28 £19.00 £12.40
90th Percentile £33.75 £56.31 £66.25
Central London median hourly rate £21.50 £35.00 £38.75
% change year-on-year -38.57% -9.68% +29.17%

Backbone.js
Job Vacancy Trend in the City of London

Job postings citing Backbone.js as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Backbone.js in the City of London

Backbone.js
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Backbone.js in the City of London

Backbone.js
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Backbone.js in the City of London over the 6 months to 24 November 2017.

Contractor daily rate histogram for Backbone.js in the City of London

For the 6 months to 24 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 City of London region with a requirement for Backbone.js.

1 32 (100.00%) JavaScript
2 27 (84.38%) HTML
2 27 (84.38%) CSS
3 25 (78.13%) AngularJS
4 21 (65.63%) HTML5
5 17 (53.13%) Sass
6 16 (50.00%) Node.js
6 16 (50.00%) Agile Software Development
7 15 (46.88%) jQuery
7 15 (46.88%) CSS3
7 15 (46.88%) User Experience
8 14 (43.75%) React
8 14 (43.75%) Front End Development
8 14 (43.75%) Git (software)
9 13 (40.63%) TDD
10 11 (34.38%) Java
10 11 (34.38%) Redux
11 10 (31.25%) Twitter Bootstrap
11 10 (31.25%) Finance
11 10 (31.25%) BDD
12 9 (28.13%) Mocha
12 9 (28.13%) Scrum
12 9 (28.13%) Analytics
12 9 (28.13%) ES6
13 8 (25.00%) JSON
13 8 (25.00%) Kanban
14 7 (21.88%) JIRA
14 7 (21.88%) REST
14 7 (21.88%) Open Source
14 7 (21.88%) OO

Backbone.js
Co-occurring IT Skills in the City of London 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 2 (6.25%) Cloud Foundry
1 2 (6.25%) CMS
1 2 (6.25%) Confluence
1 2 (6.25%) EPiServer
1 2 (6.25%) GemFire
1 2 (6.25%) Mule
1 2 (6.25%) Sitecore CMS
1 2 (6.25%) Tomcat
2 1 (3.13%) Apache
Applications
1 2 (6.25%) Photoshop
2 1 (3.13%) GIMP
2 1 (3.13%) Microsoft Excel
2 1 (3.13%) Microsoft Office
2 1 (3.13%) Microsoft Project
2 1 (3.13%) MS Visio
Business Applications
1 2 (6.25%) Eloqua
Cloud Services
1 4 (12.50%) Amazon AWS
1 4 (12.50%) Microsoft Azure
2 2 (6.25%) CloudBees
2 2 (6.25%) GitHub
2 2 (6.25%) IaaS
2 2 (6.25%) npm
2 2 (6.25%) OpenShift
2 2 (6.25%) PaaS
3 1 (3.13%) AWS Lambda
Communications & Networking
1 3 (9.38%) Internet
2 1 (3.13%) HTTP
Database & Business Intelligence
1 4 (12.50%) MongoDB
2 3 (9.38%) NoSQL
3 2 (6.25%) Couchbase
4 1 (3.13%) MySQL
4 1 (3.13%) SQL Server
Development Applications
1 14 (43.75%) Git (software)
2 9 (28.13%) Mocha
3 7 (21.88%) Cucumber
3 7 (21.88%) JIRA
4 6 (18.75%) Karma Test Runner
5 5 (15.63%) gulp
5 5 (15.63%) Jenkins
6 4 (12.50%) Selenium
7 3 (9.38%) Bower
7 3 (9.38%) Jasmine
7 3 (9.38%) Sinon.JS
8 2 (6.25%) Ant
8 2 (6.25%) Capybara
8 2 (6.25%) Grunt
8 2 (6.25%) Mercurial
8 2 (6.25%) Protractor
8 2 (6.25%) QUnit
8 2 (6.25%) SonarQube
8 2 (6.25%) Team Foundation Server
8 2 (6.25%) webpack
General
1 10 (31.25%) Finance
2 4 (12.50%) Banking
2 4 (12.50%) Financial Institution
3 3 (9.38%) Marketing
4 2 (6.25%) Advertising
4 2 (6.25%) Multimedia
5 1 (3.13%) Law
5 1 (3.13%) Wholesale Banking
Job Titles
1 30 (93.75%) Developer
2 14 (43.75%) JavaScript Developer
3 12 (37.50%) Front End Developer (Client-Side Developer)
4 7 (21.88%) Angular Developer
4 7 (21.88%) HTML Developer
4 7 (21.88%) UI Developer
5 4 (12.50%) Analytics Developer
5 4 (12.50%) Risk Analytics Developer
6 3 (9.38%) HTML CSS Developer
6 3 (9.38%) Java Developer
6 3 (9.38%) UX Developer
7 2 (6.25%) Analyst
7 2 (6.25%) Analyst Developer
7 2 (6.25%) CSS Developer
7 2 (6.25%) Lead Analyst Developer
7 2 (6.25%) Lead Developer
7 2 (6.25%) Node.js Developer
7 2 (6.25%) Team Leader
7 2 (6.25%) UI/UX Developer
8 1 (3.13%) Django Developer
Libraries, Frameworks & Software Standards
1 27 (84.38%) CSS
1 27 (84.38%) HTML
2 25 (78.13%) AngularJS
3 21 (65.63%) HTML5
4 17 (53.13%) Sass
5 16 (50.00%) Node.js
6 15 (46.88%) CSS3
6 15 (46.88%) jQuery
7 14 (43.75%) React
8 11 (34.38%) Redux
9 10 (31.25%) Twitter Bootstrap
10 8 (25.00%) JSON
11 7 (21.88%) LESS
11 7 (21.88%) REST
12 6 (18.75%) Ember.js
12 6 (18.75%) Web Services
12 6 (18.75%) XML
13 5 (15.63%) D3.js
13 5 (15.63%) RESTful
13 5 (15.63%) Underscore.js
Miscellaneous
1 15 (46.88%) User Experience
2 5 (15.63%) Mobile App
3 4 (12.50%) Analytical Skills
3 4 (12.50%) Computer Science
3 4 (12.50%) Derivative
3 4 (12.50%) Fintech
3 4 (12.50%) Market Risk
4 3 (9.38%) Greenfield Project
4 3 (9.38%) Social Media
5 2 (6.25%) Cloud Native
5 2 (6.25%) e-Learning
6 1 (3.13%) PKI
6 1 (3.13%) Smartphone
6 1 (3.13%) Tandem
6 1 (3.13%) Virtual Team
Operating Systems
1 6 (18.75%) Apple iOS
2 3 (9.38%) Android
3 1 (3.13%) Linux
3 1 (3.13%) Windows
Processes & Methodologies
1 16 (50.00%) Agile Software Development
2 14 (43.75%) Front End Development
3 13 (40.63%) TDD
4 10 (31.25%) BDD
5 9 (28.13%) Analytics
5 9 (28.13%) Scrum
6 8 (25.00%) Kanban
7 7 (21.88%) OO
7 7 (21.88%) Open Source
8 6 (18.75%) Web Development
9 5 (15.63%) MVC
10 4 (12.50%) Mobile First
10 4 (12.50%) Risk Analytics
10 4 (12.50%) Risk Management
10 4 (12.50%) SDLC
10 4 (12.50%) Test Automation
11 3 (9.38%) DevOps
11 3 (9.38%) Low Latency
11 3 (9.38%) Multithreading
12 2 (6.25%) Time Management
Programming Languages
1 32 (100.00%) JavaScript
2 11 (34.38%) Java
3 9 (28.13%) ES6
4 5 (15.63%) Scala
4 5 (15.63%) SQL
5 2 (6.25%) C
5 2 (6.25%) PHP
6 1 (3.13%) GraphQL
6 1 (3.13%) Python
Qualifications
1 5 (15.63%) Degree
Quality Assurance & Compliance
1 1 (3.13%) QA
System Software
1 2 (6.25%) Docker
Systems Management
1 2 (6.25%) Puppet
Vendors
1 2 (6.25%) IBM
1 2 (6.25%) Marketo
1 2 (6.25%) Sitecore
1 2 (6.25%) Telerik
1 2 (6.25%) TIBCO
1 2 (6.25%) Xamarin
2 1 (3.13%) Oracle