The following table provides summary statistics for contract job vacancies advertised in Warrington 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 29 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)
Cheshire > Warrington
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 19 16 2
Rank change year-on-year -3 -14  
Contract jobs citing JavaScript 3 26 53
As % of all contract IT jobs advertised in Warrington 2.22% 8.41% 27.75%
As % of the Programming Languages category 5.88% 24.76% 54.64%
Number of daily rates quoted 2 25 53
Warrington median daily rate £363 £465 £425
Median daily rate % change year-on-year -22.04% +9.41%  
10th Percentile £320 £329 £313
90th Percentile £403 £606 £835
Cheshire median daily rate £400 £400 £400
Number of hourly rates quoted 0 0 0
Warrington median hourly rate - - -
Cheshire median hourly rate - £20.78 -

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 Warrington with a requirement for programming language skills.

Contract Programming Language Skills
Warrington
Contract job vacancies with a requirement for programming language skills 51 105 97
As % of all contract IT job vacancies advertised in Warrington 37.78% 33.98% 50.79%
Number of daily rates quoted 63 179 198
Warrington median daily rate £400 £450 £488
Median daily rate % change year-on-year -11.11% -7.69%  
10th Percentile £313 £300 £308
90th Percentile £575 £650 £850
Cheshire median daily rate £425 £400 £400
% change year-on-year +6.25% -  
Number of hourly rates quoted 21 5 0
Warrington median hourly rate £32.00 £32.50 -
Median hourly rate % change year-on-year -1.53% -  
Cheshire median hourly rate £32.00 £21.00 £33.00
% change year-on-year +52.38% -36.36%  

JavaScript
Job Vacancy Trend in Warrington

Job postings citing JavaScript as a percentage of all IT jobs advertised in Warrington.

Job vacancy trend for JavaScript in Warrington

JavaScript
Contractor Daily Rate Trend in Warrington

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

Contractor daily rate trend for JavaScript in Warrington

JavaScript
Contractor Hourly Rate Trend in Warrington

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

Contractor hourly rate trend for JavaScript in Warrington

For the 6 months to 29 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 Warrington region with a requirement for JavaScript.

1 4 (66.67%) MVC
1 4 (66.67%) C#
1 4 (66.67%) HTML
1 4 (66.67%) .NET
1 4 (66.67%) CSS
1 4 (66.67%) Web Development
2 3 (50.00%) jQuery
2 3 (50.00%) Agile Software Development
2 3 (50.00%) TDD
2 3 (50.00%) JSON
2 3 (50.00%) ASP.NET Web API
3 2 (33.33%) REST
3 2 (33.33%) CSS3
3 2 (33.33%) AngularJS
3 2 (33.33%) ASP.NET MVC
3 2 (33.33%) HTML5
3 2 (33.33%) SQL Server 2008
3 2 (33.33%) SQL Server
3 2 (33.33%) T-SQL
3 2 (33.33%) ASP.NET
4 1 (16.67%) Workflow
4 1 (16.67%) Finance
4 1 (16.67%) Scrum
4 1 (16.67%) VMware
4 1 (16.67%) Photoshop
4 1 (16.67%) SQL
4 1 (16.67%) Web Services
4 1 (16.67%) CRM
4 1 (16.67%) SharePoint
4 1 (16.67%) E-Commerce

JavaScript
Co-occurring IT Skills in Warrington 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 (16.67%) BizTalk Server
1 1 (16.67%) SharePoint
Applications
1 1 (16.67%) Fireworks
1 1 (16.67%) Photoshop
Business Applications
1 1 (16.67%) Dynamics CRM
Cloud Services
1 1 (16.67%) Microsoft Azure
Database & Business Intelligence
1 2 (33.33%) SQL Server
1 2 (33.33%) SQL Server 2008
2 1 (16.67%) SQL Server Analysis Services
2 1 (16.67%) SQL Server Integration Services
2 1 (16.67%) SQL Server Reporting Services
Development Applications
1 1 (16.67%) Git (software)
1 1 (16.67%) Moq
1 1 (16.67%) Team Foundation Server
General
1 1 (16.67%) Finance
Job Titles
1 6 (100.00%) Developer
2 2 (33.33%) C# Developer
2 2 (33.33%) Software Developer
2 2 (33.33%) Web Developer
3 1 (16.67%) .NET Developer
3 1 (16.67%) ASP.NET MVC Developer
3 1 (16.67%) C# .NET Developer
3 1 (16.67%) C# Web Developer
3 1 (16.67%) CRM Developer
3 1 (16.67%) Dynamics CRM Developer
3 1 (16.67%) Front End Developer (Client-Side Developer)
3 1 (16.67%) Front End Web Developer (Client-Side Developer)
3 1 (16.67%) HTML CSS Developer
3 1 (16.67%) HTML Developer
3 1 (16.67%) JavaScript Developer
3 1 (16.67%) SQL Developer
3 1 (16.67%) T-SQL Developer
3 1 (16.67%) Web Engineer
Libraries, Frameworks & Software Standards
1 4 (66.67%) .NET
1 4 (66.67%) CSS
1 4 (66.67%) HTML
2 3 (50.00%) ASP.NET Web API
2 3 (50.00%) jQuery
2 3 (50.00%) JSON
3 2 (33.33%) AngularJS
3 2 (33.33%) ASP.NET
3 2 (33.33%) ASP.NET MVC
3 2 (33.33%) CSS3
3 2 (33.33%) HTML5
3 2 (33.33%) REST
4 1 (16.67%) .NET Framework
4 1 (16.67%) Entity Framework
4 1 (16.67%) Express
4 1 (16.67%) KnockoutJS
4 1 (16.67%) Node.js
4 1 (16.67%) RESTful
4 1 (16.67%) WCF
4 1 (16.67%) Web Services
Processes & Methodologies
1 4 (66.67%) MVC
1 4 (66.67%) Web Development
2 3 (50.00%) Agile Software Development
2 3 (50.00%) TDD
3 1 (16.67%) BDD
3 1 (16.67%) CRM
3 1 (16.67%) DevOps
3 1 (16.67%) E-Commerce
3 1 (16.67%) Front End Development
3 1 (16.67%) Scrum
3 1 (16.67%) SDLC
3 1 (16.67%) Software Engineering
3 1 (16.67%) SOLID
3 1 (16.67%) Unit Testing
3 1 (16.67%) Workflow
Programming Languages
1 4 (66.67%) C#
2 2 (33.33%) T-SQL
3 1 (16.67%) SQL
System Software
1 1 (16.67%) VMware Infrastructure
Vendors
1 1 (16.67%) DevExpress
1 1 (16.67%) VMware