The following table provides summary statistics for contract job vacancies advertised in Halifax with a requirement for JavaScript skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JavaScript over the 3 months to 27 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.

JavaScript (including ECMAScript)
West Yorkshire / Halifax
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 12 27 25
Rank change year-on-year +15 -2  
Contract jobs citing JavaScript 7 1 2
As % of all contract IT jobs advertised in Halifax 9.72% 0.68% 1.32%
As % of the Programming Languages category 30.43% 2.22% 16.67%
Number of daily rates quoted 5 0 2
Median daily rate £350 - £293
90% offered a daily rate of more than £324 - £287
10% offered a daily rate of more than £400 - £299
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £43.45 £37.50 £39.78
% change year-on-year +15.85% -5.71%  

JavaScript is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Halifax with a requirement for programming language skills.

Contract Programming Language Skills
Halifax
Contract job vacancies with a requirement for programming language skills 23 45 12
As % of all contract IT job vacancies advertised in Halifax 31.94% 30.61% 7.89%
Number of daily rates quoted 14 31 7
Median daily rate £375 £421 £285
Median daily rate % change year-on-year -10.97% +47.80%  
90% offered a daily rate of more than £300 £320 £250
10% offered a daily rate of more than £405 £446 £300
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £37.50 £37.00
% change year-on-year +13.33% +1.35%  

JavaScript
Job Vacancy Trend in Halifax

The job posting trend of jobs advertised in Halifax citing JavaScript as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

Job vacancy trend for JavaScript in Halifax

JavaScript
Contractor Daily Rate Trend in Halifax

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

Contractor daily rate trend for JavaScript in Halifax

JavaScript
Contractor Hourly Rate Trend in Halifax

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

Contractor hourly rate trend for JavaScript in Halifax

For the 6 months to 27 June 2017, IT contractor jobs citing JavaScript 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 Halifax region with a requirement for JavaScript.

1 7 (87.50%) AngularJS
2 6 (75.00%) HTML
3 5 (62.50%) CSS
3 5 (62.50%) Node.js
4 4 (50.00%) Front End Development
5 3 (37.50%) ERP
5 3 (37.50%) jQuery
5 3 (37.50%) TypeScript
6 2 (25.00%) Bower
6 2 (25.00%) Twitter Bootstrap
6 2 (25.00%) HTML5
6 2 (25.00%) Angular 2
6 2 (25.00%) Greenfield Project
6 2 (25.00%) OO
6 2 (25.00%) webpack
7 1 (12.50%) JPA
7 1 (12.50%) Apple
7 1 (12.50%) WebSphere
7 1 (12.50%) CSS3
7 1 (12.50%) React
7 1 (12.50%) JDBC
7 1 (12.50%) Web Services
7 1 (12.50%) XML
7 1 (12.50%) Java
7 1 (12.50%) PHP
7 1 (12.50%) J2EE
7 1 (12.50%) Banking
7 1 (12.50%) WebSphere Process Server
7 1 (12.50%) Spring
7 1 (12.50%) JSF

JavaScript
Co-occurring IT Skills in Halifax 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 (12.50%) WebSphere
1 1 (12.50%) WebSphere Process Server
Development Applications
1 2 (25.00%) Bower
1 2 (25.00%) webpack
General
1 1 (12.50%) Banking
Job Titles
1 8 (100.00%) Developer
2 4 (50.00%) JavaScript Developer
3 3 (37.50%) Angular Developer
3 3 (37.50%) Front End Developer (Client-Side Developer)
4 1 (12.50%) ERP Developer
4 1 (12.50%) HTML CSS Developer
4 1 (12.50%) HTML Developer
4 1 (12.50%) Java Developer
4 1 (12.50%) Node.js Developer
4 1 (12.50%) PHP Developer
4 1 (12.50%) Software Developer
Libraries, Frameworks & Software Standards
1 7 (87.50%) AngularJS
2 6 (75.00%) HTML
3 5 (62.50%) CSS
3 5 (62.50%) Node.js
4 3 (37.50%) jQuery
5 2 (25.00%) Angular 2
5 2 (25.00%) HTML5
5 2 (25.00%) Twitter Bootstrap
6 1 (12.50%) Ajax
6 1 (12.50%) CSS3
6 1 (12.50%) J2EE
6 1 (12.50%) JDBC
6 1 (12.50%) JPA
6 1 (12.50%) JSF
6 1 (12.50%) React
6 1 (12.50%) Spring
6 1 (12.50%) Web Services
6 1 (12.50%) XML
Miscellaneous
1 2 (25.00%) Greenfield Project
2 1 (12.50%) Web 2.0
Processes & Methodologies
1 4 (50.00%) Front End Development
2 3 (37.50%) ERP
3 2 (25.00%) OO
Programming Languages
1 3 (37.50%) TypeScript
2 1 (12.50%) Java
2 1 (12.50%) PHP
Vendors
1 1 (12.50%) Apple