Period
to 16 August 2018

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 16 August 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
Central London > City of London
6 months to
16 Aug 2018
Same period 2017 Same period 2016
Rank 246 207 160
Rank change year-on-year -39 -47 +32
Contract jobs citing Backbone.js 13 36 84
As % of all contract IT jobs advertised in the City of London 0.19% 0.55% 1.24%
As % of the Libraries, Frameworks & Software Standards category 0.47% 1.44% 3.55%
Number of daily rates quoted 11 30 75
City of London median daily rate £475 £450 £400
Median daily rate % change year-on-year +5.56% +12.50% +1.59%
10th Percentile £408 £348 £209
90th Percentile £575 £650 £525
Central London median daily rate £500 £450 £400
% change year-on-year +11.11% +12.50% +3.23%
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 2,756 2,494 2,363
As % of all contract IT jobs advertised in the City of London 39.51% 37.83% 34.75%
Number of daily rates quoted 2,247 2,006 2,000
City of London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +2.98%
10th Percentile £370 £363 £319
90th Percentile £675 £650 £638
Central London median daily rate £525 £500 £450
% change year-on-year +5.00% +11.11% -
Number of hourly rates quoted 11 11 6
City of London median hourly rate £22.00 £24.49 £21.00
Median hourly rate % change year-on-year -10.15% +16.60% -13.33%
10th Percentile £21.00 £20.75 £17.08
90th Percentile £62.50 £29.62 £49.29
Central London median hourly rate £27.00 £24.36 £21.00
% change year-on-year +10.84% +16.00% -34.61%

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 16 August 2018.

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

For the 6 months to 16 August 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 City of London region with a requirement for Backbone.js.

1 13 (100.00%) JavaScript
2 11 (84.62%) HTML
2 11 (84.62%) CSS
2 11 (84.62%) AngularJS
3 9 (69.23%) React
4 6 (46.15%) Front End Development
4 6 (46.15%) jQuery
5 5 (38.46%) Agile Software Development
5 5 (38.46%) TDD
5 5 (38.46%) Node.js
5 5 (38.46%) Test Automation
5 5 (38.46%) User Experience
6 4 (30.77%) HTML5
6 4 (30.77%) Responsive Web Design
6 4 (30.77%) Continuous Integration
7 3 (23.08%) Unit Testing
7 3 (23.08%) .NET Framework
7 3 (23.08%) MVC
7 3 (23.08%) Java
7 3 (23.08%) .NET
7 3 (23.08%) ASP.NET
7 3 (23.08%) Sass
7 3 (23.08%) RESTful
7 3 (23.08%) C#
7 3 (23.08%) ASP.NET Web API
8 2 (15.38%) Data Visualisation
8 2 (15.38%) RequireJS
8 2 (15.38%) Vue.js
8 2 (15.38%) Fintech
8 2 (15.38%) Wireframes

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 1 (7.69%) Elasticsearch
Cloud Services
1 2 (15.38%) Amazon AWS
1 2 (15.38%) SaaS
2 1 (7.69%) Amazon EC2
2 1 (7.69%) Amazon EMR
2 1 (7.69%) Amazon S3
2 1 (7.69%) AWS CloudFormation
2 1 (7.69%) AWS Lambda
2 1 (7.69%) Serverless
Database & Business Intelligence
1 2 (15.38%) Amazon DynamoDB
2 1 (7.69%) Amazon Redshift
2 1 (7.69%) Big Data
2 1 (7.69%) Cosmos DB
2 1 (7.69%) MongoDB
2 1 (7.69%) NoSQL
2 1 (7.69%) OpenTSDB
2 1 (7.69%) Parquet
2 1 (7.69%) PostgreSQL
Development Applications
1 2 (15.38%) JIRA
2 1 (7.69%) Git (software)
2 1 (7.69%) Hudson
2 1 (7.69%) Jasmine
2 1 (7.69%) Jenkins
2 1 (7.69%) Karma Test Runner
2 1 (7.69%) Protractor
General
1 2 (15.38%) Finance
2 1 (7.69%) Digital Economy
Job Titles
1 10 (76.92%) Developer
2 6 (46.15%) JavaScript Developer
3 3 (23.08%) Angular Developer
4 2 (15.38%) Designer
4 2 (15.38%) Front End Developer (Client-Side Developer)
4 2 (15.38%) HTML Developer
4 2 (15.38%) UX Designer
4 2 (15.38%) Web Developer
5 1 (7.69%) Front End Web Developer (Client-Side Developer)
5 1 (7.69%) Full Stack Developer
5 1 (7.69%) Software Engineer
5 1 (7.69%) UI Developer
5 1 (7.69%) UI/UX Developer
5 1 (7.69%) UX Developer
5 1 (7.69%) Web UI Developer
5 1 (7.69%) Web UI/UX Developer
Libraries, Frameworks & Software Standards
1 11 (84.62%) AngularJS
1 11 (84.62%) CSS
1 11 (84.62%) HTML
2 9 (69.23%) React
3 6 (46.15%) jQuery
4 5 (38.46%) Node.js
5 4 (30.77%) HTML5
6 3 (23.08%) .NET
6 3 (23.08%) .NET Framework
6 3 (23.08%) ASP.NET
6 3 (23.08%) ASP.NET Web API
6 3 (23.08%) RESTful
6 3 (23.08%) Sass
7 2 (15.38%) Express
7 2 (15.38%) RequireJS
7 2 (15.38%) REST
7 2 (15.38%) Twitter Bootstrap
7 2 (15.38%) Vue.js
8 1 (7.69%) Dropwizard
8 1 (7.69%) Elastic Stack
Miscellaneous
1 5 (38.46%) User Experience
2 2 (15.38%) Analytical Skills
2 2 (15.38%) Fintech
2 2 (15.38%) Self-Motivation
3 1 (7.69%) Greenfield Project
Operating Systems
1 1 (7.69%) Android
1 1 (7.69%) Apple iOS
Processes & Methodologies
1 6 (46.15%) Front End Development
2 5 (38.46%) Agile Software Development
2 5 (38.46%) TDD
2 5 (38.46%) Test Automation
3 4 (30.77%) Continuous Integration
3 4 (30.77%) Responsive Web Design
4 3 (23.08%) MVC
4 3 (23.08%) Unit Testing
5 2 (15.38%) BDD
5 2 (15.38%) Data Analysis
5 2 (15.38%) Data Visualisation
5 2 (15.38%) E-Commerce
5 2 (15.38%) Kanban
5 2 (15.38%) Multithreading
5 2 (15.38%) Requirements Analysis
5 2 (15.38%) Scrum
5 2 (15.38%) Software Engineering
5 2 (15.38%) Visualisation
5 2 (15.38%) Web Development
5 2 (15.38%) Wireframes
Programming Languages
1 13 (100.00%) JavaScript
2 3 (23.08%) C#
2 3 (23.08%) Java
3 2 (15.38%) CoffeeScript
3 2 (15.38%) Python
3 2 (15.38%) Ruby
3 2 (15.38%) TypeScript
Qualifications
1 1 (7.69%) Sun Certification
System Software
1 1 (7.69%) Docker
Systems Management
1 1 (7.69%) Ansible
1 1 (7.69%) Kibana
1 1 (7.69%) logstash
Vendors
1 2 (15.38%) Splunk
1 2 (15.38%) Tableau