The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Underscore.js skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Underscore.js 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.

Underscore.js
London / City of London
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 164 - 202
Rank change year-on-year - 0  
Contract jobs citing Underscore.js 2 0 3
As % of all contract IT jobs advertised in the City of London 0.061% - 0.052%
As % of the Libraries, Frameworks & Software Standards category 0.16% - 0.18%
Number of daily rates quoted 2 0 3
Median daily rate £588 - £375
90% offered a daily rate of more than £564 - £363
10% offered a daily rate of more than £621 - £398
UK excluding London median daily rate £456 £325 £398
% change year-on-year +40.38% -18.23%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Underscore.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 the City of London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
City of London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 1238 1183 1708
As % of all contract IT job vacancies advertised in the City of London 37.94% 35.14% 29.75%
Number of daily rates quoted 3865 4052 4838
Median daily rate £500 £450 £425
Median daily rate % change year-on-year +11.00% +5.88%  
90% offered a daily rate of more than £356 £313 £308
10% offered a daily rate of more than £638 £588 £625
UK excluding London median daily rate £390 £375 £350
% change year-on-year +4.00% +7.14%  
Number of hourly rates quoted 5 2 38
Median hourly rate £24.36 £20.00 £24.23
Median hourly rate % change year-on-year +21.80% -17.45%  
90% offered a hourly rate of more than £20.75 £19.00 £15.24
10% offered a hourly rate of more than £25.29 £21.00 £193.75
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

Underscore.js
Job Vacancy Trend in the City of London

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

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

Underscore.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 Underscore.js in the City of London.

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

For the 6 months to 28 June 2017, IT contractor jobs citing Underscore.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 Underscore.js.

1 2 (100.00%) HTML
1 2 (100.00%) JavaScript
1 2 (100.00%) CSS
1 2 (100.00%) Web Services
1 2 (100.00%) XML
1 2 (100.00%) Internet
1 2 (100.00%) Ajax
1 2 (100.00%) Web Development
1 2 (100.00%) JSON
1 2 (100.00%) jQuery
1 2 (100.00%) HTML5
1 2 (100.00%) Apple iOS
1 2 (100.00%) REST
1 2 (100.00%) CSS3
1 2 (100.00%) WebSockets
1 2 (100.00%) Backbone.js
1 2 (100.00%) D3.js
1 2 (100.00%) AngularJS
1 2 (100.00%) Mobile App
1 2 (100.00%) Finance
1 2 (100.00%) User Experience
1 2 (100.00%) SDLC
1 2 (100.00%) Greenfield Project
2 1 (50.00%) iOS Development

Underscore.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:

Communications & Networking
1 2 (100.00%) Internet
General
1 2 (100.00%) Finance
Job Titles
1 2 (100.00%) Developer
2 1 (50.00%) Angular Developer
2 1 (50.00%) Front End Developer (Client-Side Developer)
2 1 (50.00%) Front End Web Developer (Client-Side Developer)
2 1 (50.00%) HTML Developer
2 1 (50.00%) iOS Developer
2 1 (50.00%) Mobile Web Developer
2 1 (50.00%) UI Developer
2 1 (50.00%) Web Developer
Libraries, Frameworks & Software Standards
1 2 (100.00%) Ajax
1 2 (100.00%) AngularJS
1 2 (100.00%) Backbone.js
1 2 (100.00%) CSS
1 2 (100.00%) CSS3
1 2 (100.00%) D3.js
1 2 (100.00%) HTML
1 2 (100.00%) HTML5
1 2 (100.00%) jQuery
1 2 (100.00%) JSON
1 2 (100.00%) REST
1 2 (100.00%) Web Services
1 2 (100.00%) WebSockets
1 2 (100.00%) XML
Miscellaneous
1 2 (100.00%) Greenfield Project
1 2 (100.00%) Mobile App
1 2 (100.00%) User Experience
Operating Systems
1 2 (100.00%) Apple iOS
Processes & Methodologies
1 2 (100.00%) SDLC
1 2 (100.00%) Web Development
2 1 (50.00%) iOS Development
Programming Languages
1 2 (100.00%) JavaScript