Period
to 20 November 2017

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 6 months to 20 November 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
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 12 7 5
Rank change year-on-year -5 -2 +1
Contract jobs citing JavaScript 5 9 5
As % of all contract IT jobs advertised in Bolton 6.76% 14.75% 17.86%
As % of the Programming Languages category 16.67% 37.50% 41.67%
Number of daily rates quoted 5 7 5
Bolton median daily rate £250 £350 £325
Median daily rate % change year-on-year -28.57% +7.69% +51.16%
10th Percentile £235 £239 £313
90th Percentile £353 £405 £341
Manchester median daily rate £375 £375 £350
% change year-on-year - +7.14% +6.06%
Number of hourly rates quoted 0 0 0
Bolton median hourly rate - - -
Manchester median hourly rate £35.00 £15.00 £37.50
% change year-on-year +133.33% -60.00% +27.66%

JavaScript is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Bolton with a requirement for coding skills.

All Programming Languages
Bolton
Contract vacancies with a requirement for coding skills 30 24 12
As % of all contract IT jobs advertised in Bolton 40.54% 39.34% 42.86%
Number of daily rates quoted 21 17 9
Bolton median daily rate £335 £325 £325
Median daily rate % change year-on-year +3.08% - +44.44%
10th Percentile £234 £228 £293
90th Percentile £506 £393 £625
Manchester median daily rate £400 £375 £350
% change year-on-year +6.67% +7.14% +7.69%
Number of hourly rates quoted 0 0 0
Bolton median hourly rate - - -
Manchester median hourly rate £35.00 £23.50 £35.00
% change year-on-year +48.94% -32.86% +66.67%

JavaScript
Job Vacancy Trend in Bolton

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

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

JavaScript
Contractor Daily Rate Histogram in Bolton

The daily rate distribution of IT jobs citing JavaScript in Bolton over the 6 months to 20 November 2017.

Contractor daily rate histogram for JavaScript in Bolton

For the 6 months to 20 November 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 5 (100.00%) HTML
1 5 (100.00%) CSS
2 3 (60.00%) MVC
2 3 (60.00%) XAML
2 3 (60.00%) Web Services
2 3 (60.00%) XML
2 3 (60.00%) Windows
2 3 (60.00%) SQL
2 3 (60.00%) T-SQL
2 3 (60.00%) VB.NET
2 3 (60.00%) .NET
2 3 (60.00%) ASP.NET
2 3 (60.00%) JSON
2 3 (60.00%) WCF
2 3 (60.00%) WPF
2 3 (60.00%) jQuery
2 3 (60.00%) PowerShell
2 3 (60.00%) WinForms
2 3 (60.00%) ASP.NET Web Forms
2 3 (60.00%) C#
3 2 (40.00%) Front End Development
3 2 (40.00%) HTML5
3 2 (40.00%) Node.js
3 2 (40.00%) Backbone.js
3 2 (40.00%) Underscore.js
3 2 (40.00%) Python
4 1 (20.00%) Telecoms
4 1 (20.00%) Finance
4 1 (20.00%) Manufacturing
4 1 (20.00%) Test Automation

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:

General
1 1 (20.00%) Finance
1 1 (20.00%) Manufacturing
1 1 (20.00%) Retail
1 1 (20.00%) Telecoms
Job Titles
1 5 (100.00%) Developer
2 3 (60.00%) .NET Applications Developer
2 3 (60.00%) .NET Developer
2 3 (60.00%) .NET Web Applications Developer
2 3 (60.00%) .NET Web Developer
2 3 (60.00%) Applications Developer
2 3 (60.00%) Web Applications Developer
2 3 (60.00%) Web Developer
3 2 (40.00%) ASP.NET Developer
3 2 (40.00%) ASP.NET MVC Developer
3 2 (40.00%) ASP.NET Web Applications Developer
3 2 (40.00%) Front End Developer (Client-Side Developer)
3 2 (40.00%) WCF Developer
3 2 (40.00%) WPF Developer
Libraries, Frameworks & Software Standards
1 5 (100.00%) CSS
1 5 (100.00%) HTML
2 3 (60.00%) .NET
2 3 (60.00%) ASP.NET
2 3 (60.00%) ASP.NET Web Forms
2 3 (60.00%) jQuery
2 3 (60.00%) JSON
2 3 (60.00%) WCF
2 3 (60.00%) Web Services
2 3 (60.00%) WinForms
2 3 (60.00%) WPF
2 3 (60.00%) XML
3 2 (40.00%) Backbone.js
3 2 (40.00%) HTML5
3 2 (40.00%) Node.js
3 2 (40.00%) Underscore.js
Operating Systems
1 3 (60.00%) Windows
Processes & Methodologies
1 3 (60.00%) MVC
2 2 (40.00%) Front End Development
3 1 (20.00%) Test Automation
Programming Languages
1 3 (60.00%) C#
1 3 (60.00%) PowerShell
1 3 (60.00%) SQL
1 3 (60.00%) T-SQL
1 3 (60.00%) VB.NET
1 3 (60.00%) XAML
2 2 (40.00%) Python