The following table provides summary statistics for contract job vacancies advertised in London with a requirement for YUI skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited YUI over the 3 months to 28 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.

Yahoo! User Interface Library (YUI)
England / London
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 412 421 420
Rank change year-on-year +9 -1  
Contract jobs citing YUI 10 13 15
As % of all contract IT jobs advertised in London 0.048% 0.060% 0.065%
As % of the Libraries, Frameworks & Software Standards category 0.13% 0.18% 0.21%
Number of daily rates quoted 10 12 14
Median daily rate £725 £575 £200
Median daily rate % change year-on-year +26.08% +187.50%  
90% offered a daily rate of more than £625 £453 £186
10% offered a daily rate of more than £800 £613 £549
UK excluding London median daily rate - £350 £263
% change year-on-year - +33.33%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

YUI 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 London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 7474 7044 7223
As % of all contract IT job vacancies advertised in London 35.99% 32.45% 31.36%
Number of daily rates quoted 20428 21388 18863
Median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.55% +5.88%  
90% offered a daily rate of more than £350 £313 £300
10% offered a daily rate of more than £638 £613 £600
UK excluding London median daily rate £390 £375 £350
% change year-on-year +4.00% +7.14%  
Number of hourly rates quoted 109 51 163
Median hourly rate £31.00 £40.00 £22.50
Median hourly rate % change year-on-year -22.50% +77.77%  
90% offered a hourly rate of more than £16.00 £19.23 £15.48
10% offered a hourly rate of more than £57.50 £195.00 £66.25
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

YUI
Job Vacancy Trend in London

Job postings citing YUI as a percentage of all IT jobs advertised in London.

Job vacancy trend for YUI in London

YUI
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing YUI in London.

Contractor daily rate trend for YUI in London

YUI
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing YUI in London over the 3 months to 28 June 2017.

Contractor daily rate histogram for YUI in London

YUI
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing YUI in London.

Contractor hourly rate trend for YUI in London

For the 6 months to 28 June 2017, IT contractor jobs citing YUI 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 London region with a requirement for YUI.

1 12 (100.00%) HTML
1 12 (100.00%) JavaScript
1 12 (100.00%) CSS
1 12 (100.00%) jQuery
1 12 (100.00%) HTML5
1 12 (100.00%) Responsive Web Design
1 12 (100.00%) AngularJS
1 12 (100.00%) CSS3
2 11 (91.67%) Analytical Skills
2 11 (91.67%) Puppet
2 11 (91.67%) MongoDB
2 11 (91.67%) RabbitMQ
2 11 (91.67%) Groovy
2 11 (91.67%) Grails
2 11 (91.67%) Amazon AWS
2 11 (91.67%) Agile Software Development
2 11 (91.67%) TDD
2 11 (91.67%) MySQL
2 11 (91.67%) Java
2 11 (91.67%) Finance
2 11 (91.67%) Scrum
3 10 (83.33%) Jython
3 10 (83.33%) Python
3 10 (83.33%) Scala
3 10 (83.33%) JRuby
3 10 (83.33%) Clojure
4 1 (8.33%) Dojo
4 1 (8.33%) Subversion
4 1 (8.33%) Software Engineering
4 1 (8.33%) Git (software)

YUI
Co-occurring IT Skills in 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:

Cloud Services
1 11 (91.67%) Amazon AWS
Database & Business Intelligence
1 11 (91.67%) MongoDB
1 11 (91.67%) MySQL
Development Applications
1 1 (8.33%) Git (software)
1 1 (8.33%) Subversion
General
1 11 (91.67%) Finance
Job Titles
1 7 (58.33%) Developer
2 6 (50.00%) Java Developer
2 6 (50.00%) Senior Developer
2 6 (50.00%) Senior Java Developer
3 5 (41.67%) Development Team Leader
3 5 (41.67%) Java Development Team Leader
3 5 (41.67%) Java Team Leader
3 5 (41.67%) Team Leader
4 4 (33.33%) Technical Leader
4 4 (33.33%) Technical Team Leader
5 1 (8.33%) Agile Developer
5 1 (8.33%) Agile Java Developer
5 1 (8.33%) Angular Developer
5 1 (8.33%) JavaScript Developer
5 1 (8.33%) Senior Agile Developer
5 1 (8.33%) Senior Agile Java Developer
Libraries, Frameworks & Software Standards
1 12 (100.00%) AngularJS
1 12 (100.00%) CSS
1 12 (100.00%) CSS3
1 12 (100.00%) HTML
1 12 (100.00%) HTML5
1 12 (100.00%) jQuery
2 11 (91.67%) Grails
2 11 (91.67%) RabbitMQ
3 10 (83.33%) JRuby
4 1 (8.33%) Backbone.js
4 1 (8.33%) D3.js
4 1 (8.33%) Dojo
4 1 (8.33%) Web Services
Miscellaneous
1 11 (91.67%) Analytical Skills
Processes & Methodologies
1 12 (100.00%) Responsive Web Design
2 11 (91.67%) Agile Software Development
2 11 (91.67%) Scrum
2 11 (91.67%) TDD
3 1 (8.33%) OO
3 1 (8.33%) Software Engineering
3 1 (8.33%) Web Design
Programming Languages
1 12 (100.00%) JavaScript
2 11 (91.67%) Groovy
2 11 (91.67%) Java
3 10 (83.33%) Clojure
3 10 (83.33%) Jython
3 10 (83.33%) Python
3 10 (83.33%) Scala
Systems Management
1 11 (91.67%) Puppet