The following table provides summary statistics for contract job vacancies advertised in Bolton 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)
Manchester / Bolton
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank - - 2
Contract jobs citing JavaScript 0 0 8
As % of all contract IT jobs advertised in Bolton - - 38.10%
As % of the Programming Languages category - - 61.54%
Number of daily rates quoted 0 0 8
Median daily rate - - £325
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 Bolton with a requirement for programming language skills.

Contract Programming Language Skills
Bolton
Contract job vacancies with a requirement for programming language skills 11 2 13
As % of all contract IT job vacancies advertised in Bolton 33.33% 10.53% 61.90%
Number of daily rates quoted 2 1 12
Median daily rate £383 £325 £325
Median daily rate % change year-on-year +17.69% -  
90% offered a daily rate of more than £367 £325 £250
10% offered a daily rate of more than £399 £325 £350
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £45.00 -
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 Bolton

The job posting trend of jobs advertised in Bolton 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 Bolton

JavaScript
Contractor Daily Rate Trend in Bolton

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

Contractor daily rate trend for JavaScript in Bolton

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 Bolton region with a requirement for JavaScript.

1 4 (100.00%) HTML
1 4 (100.00%) CSS
1 4 (100.00%) Web Development
2 3 (75.00%) HTML5
2 3 (75.00%) jQuery
2 3 (75.00%) EPiServer
2 3 (75.00%) CMS
2 3 (75.00%) C#
2 3 (75.00%) ASP.NET
2 3 (75.00%) .NET
3 2 (50.00%) Agile Software Development
4 1 (25.00%) MVC
4 1 (25.00%) Git (software)
4 1 (25.00%) Team Foundation Server
4 1 (25.00%) AngularJS
4 1 (25.00%) ASP.NET Web API
4 1 (25.00%) SDLC
4 1 (25.00%) Front End Development
4 1 (25.00%) SQL Server 2014
4 1 (25.00%) TDD
4 1 (25.00%) Content Management
4 1 (25.00%) SQL Server 2008
4 1 (25.00%) SQL Server
4 1 (25.00%) Photoshop
4 1 (25.00%) SQL
4 1 (25.00%) Data Modelling
4 1 (25.00%) Fireworks

JavaScript
Co-occurring IT Skills in Bolton 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 3 (75.00%) CMS
1 3 (75.00%) EPiServer
Applications
1 1 (25.00%) Fireworks
1 1 (25.00%) Photoshop
Database & Business Intelligence
1 1 (25.00%) SQL Server
1 1 (25.00%) SQL Server 2008
1 1 (25.00%) SQL Server 2014
Development Applications
1 1 (25.00%) Git (software)
1 1 (25.00%) Team Foundation Server
Job Titles
1 4 (100.00%) Developer
2 2 (50.00%) CMS Developer
2 2 (50.00%) EPiServer Developer
3 1 (25.00%) Front End Developer (Client-Side Developer)
3 1 (25.00%) Front End Web Developer (Client-Side Developer)
3 1 (25.00%) Web Developer
3 1 (25.00%) Web Engineer
Libraries, Frameworks & Software Standards
1 4 (100.00%) CSS
1 4 (100.00%) HTML
2 3 (75.00%) .NET
2 3 (75.00%) ASP.NET
2 3 (75.00%) HTML5
2 3 (75.00%) jQuery
3 1 (25.00%) AngularJS
3 1 (25.00%) ASP.NET Web API
Processes & Methodologies
1 4 (100.00%) Web Development
2 2 (50.00%) Agile Software Development
3 1 (25.00%) Content Management
3 1 (25.00%) Data Modelling
3 1 (25.00%) Front End Development
3 1 (25.00%) MVC
3 1 (25.00%) SDLC
3 1 (25.00%) TDD
Programming Languages
1 3 (75.00%) C#
2 1 (25.00%) SQL