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 23 March 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.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
JavaScript (including ECMAScript)
Manchester / Bolton
Rank 9 3 3
Rank change year-on-year -6 0  
Contract jobs citing JavaScript 4 4 5
As % of all contract IT jobs advertised in Bolton 9.76% 25.00% 18.52%
As % of the Programming Languages category 44.44% 57.14% 71.43%
Number of daily rates quoted 2 2 3
Median daily rate £400 £340 £263
Median daily rate % change year-on-year +17.64% +29.52%  
UK excluding London median daily rate £375 £350 £350
% change year-on-year +7.14% -  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.75 £38.00 £35.00
% change year-on-year +9.86% +8.57%  

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 9 7 7
As % of all contract IT job vacancies advertised in Bolton 21.95% 43.75% 25.93%
Number of daily rates quoted 4 5 5
Median daily rate £425 £340 £300
Median daily rate % change year-on-year +25.00% +13.33%  
90% offered a daily rate of more than £400 £289 £200
10% offered a daily rate of more than £488 £450 £338
UK excluding London median daily rate £390 £375 £350
% change year-on-year +4.00% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.64 £40.00 £36.00
% change year-on-year +4.10% +11.11%  

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

JavaScript
Top 30 Related IT Skills in Bolton

For the 6 months to 23 March 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 9 (100.00%) HTML
1 9 (100.00%) CSS
2 7 (77.78%) .NET
2 7 (77.78%) C#
2 7 (77.78%) Web Development
2 7 (77.78%) jQuery
3 6 (66.67%) EPiServer
3 6 (66.67%) HTML5
3 6 (66.67%) ASP.NET
3 6 (66.67%) CMS
4 4 (44.44%) Agile Software Development
5 3 (33.33%) Content Management
5 3 (33.33%) SQL
6 2 (22.22%) Team Foundation Server
6 2 (22.22%) MVC
6 2 (22.22%) SDLC
6 2 (22.22%) SQL Server 2008
6 2 (22.22%) Relational Database
6 2 (22.22%) SQL Server
6 2 (22.22%) Web Services
6 2 (22.22%) XML
7 1 (11.11%) XSD
7 1 (11.11%) XSL
7 1 (11.11%) Unix
7 1 (11.11%) OO
7 1 (11.11%) RAD
7 1 (11.11%) DSDM
7 1 (11.11%) CRM
7 1 (11.11%) JMS
7 1 (11.11%) Data Modelling

JavaScript
Top Related 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 6 (66.67%) CMS
1 6 (66.67%) EPiServer
2 1 (11.11%) WebLogic
Applications
1 1 (11.11%) Fireworks
1 1 (11.11%) Photoshop
Database & Business Intelligence
1 2 (22.22%) Relational Database
1 2 (22.22%) SQL Server
1 2 (22.22%) SQL Server 2008
2 1 (11.11%) Oracle Database
2 1 (11.11%) Oracle Database 11g
2 1 (11.11%) SQL Server 2014
Development Applications
1 2 (22.22%) Team Foundation Server
2 1 (11.11%) Ant
2 1 (11.11%) Eclipse
2 1 (11.11%) Git (software)
2 1 (11.11%) Subversion
2 1 (11.11%) Toad
2 1 (11.11%) Visual Studio
Job Titles
1 9 (100.00%) Developer
2 3 (33.33%) .NET Developer
2 3 (33.33%) CMS Developer
2 3 (33.33%) EPiServer Developer
3 1 (11.11%) Agile Developer
3 1 (11.11%) Agile Java Developer
3 1 (11.11%) C# .NET Developer
3 1 (11.11%) C# Developer
3 1 (11.11%) C# WCF Developer
3 1 (11.11%) Front End Developer (Client-Side Developer)
3 1 (11.11%) Front End Web Developer (Client-Side Developer)
3 1 (11.11%) Java Developer
3 1 (11.11%) UI Developer
3 1 (11.11%) WCF Developer
3 1 (11.11%) Web Developer
3 1 (11.11%) Web Engineer
3 1 (11.11%) XML Developer
Libraries, Frameworks & Software Standards
1 9 (100.00%) CSS
1 9 (100.00%) HTML
2 7 (77.78%) .NET
2 7 (77.78%) jQuery
3 6 (66.67%) ASP.NET
3 6 (66.67%) HTML5
4 2 (22.22%) Web Services
4 2 (22.22%) XML
5 1 (11.11%) AngularJS
5 1 (11.11%) ASP.NET 2.0
5 1 (11.11%) ASP.NET MVC
5 1 (11.11%) ASP.NET MVC 4
5 1 (11.11%) ASP.NET Web API
5 1 (11.11%) Hibernate
5 1 (11.11%) JMS
5 1 (11.11%) JSF
5 1 (11.11%) SOAP
5 1 (11.11%) Spring
5 1 (11.11%) XSD
5 1 (11.11%) XSL
Operating Systems
1 1 (11.11%) Unix
Processes & Methodologies
1 7 (77.78%) Web Development
2 4 (44.44%) Agile Software Development
3 3 (33.33%) Content Management
4 2 (22.22%) MVC
4 2 (22.22%) SDLC
5 1 (11.11%) CRM
5 1 (11.11%) Data Modelling
5 1 (11.11%) DSDM
5 1 (11.11%) Front End Development
5 1 (11.11%) OO
5 1 (11.11%) RAD
5 1 (11.11%) TDD
5 1 (11.11%) Waterfall
Programming Languages
1 7 (77.78%) C#
2 3 (33.33%) SQL
3 1 (11.11%) Java
3 1 (11.11%) PL/SQL
3 1 (11.11%) Shell Script
3 1 (11.11%) T-SQL
Vendors
1 1 (11.11%) Oracle