The following table provides summary statistics for contract job vacancies advertised in Epsom 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 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)
Surrey / Epsom
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 10 5 11
Rank change year-on-year -5 +6  
Contract jobs citing JavaScript 4 7 2
As % of all contract IT jobs advertised in Epsom 8.51% 28.00% 6.90%
As % of the Programming Languages category 23.53% 63.64% 18.18%
Number of daily rates quoted 4 5 2
Median daily rate £494 £400 £310
Median daily rate % change year-on-year +23.43% +29.03%  
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £40.00 -
UK excluding London median hourly rate £43.39 £37.50 £40.00
% change year-on-year +15.70% -6.25%  

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 Epsom with a requirement for programming language skills.

Contract Programming Language Skills
Epsom
Contract job vacancies with a requirement for programming language skills 17 11 11
As % of all contract IT job vacancies advertised in Epsom 36.17% 44.00% 37.93%
Number of daily rates quoted 8 8 4
Median daily rate £450 £500 £310
Median daily rate % change year-on-year -10.00% +61.29%  
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 1 1 0
Median hourly rate £40.00 £40.00 -
UK excluding London median hourly rate £42.50 £37.50 £36.50
% change year-on-year +13.33% +2.73%  

JavaScript
Job Vacancy Trend in Epsom

The job posting trend of jobs advertised in Epsom 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 Epsom

JavaScript
Contractor Daily Rate Trend in Epsom

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

Contractor daily rate trend for JavaScript in Epsom

For the 6 months to 23 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 Epsom region with a requirement for JavaScript.

1 5 (100.00%) HTML
1 5 (100.00%) CSS
2 3 (60.00%) PHP
2 3 (60.00%) jQuery
3 2 (40.00%) Web Development
3 2 (40.00%) SharePoint 2010
3 2 (40.00%) .NET
3 2 (40.00%) SQL Server
3 2 (40.00%) SharePoint
3 2 (40.00%) AngularJS
3 2 (40.00%) SharePoint 2013
3 2 (40.00%) React
3 2 (40.00%) Front End Development
3 2 (40.00%) Power BI
3 2 (40.00%) Office 365
4 1 (20.00%) Sass
4 1 (20.00%) C#
4 1 (20.00%) Conversion Rate Optimisation
4 1 (20.00%) Computer Science Degree
4 1 (20.00%) Subversion
4 1 (20.00%) Content Management
4 1 (20.00%) SEO
4 1 (20.00%) Finance
4 1 (20.00%) CMS
4 1 (20.00%) Microsoft
4 1 (20.00%) Project Management
4 1 (20.00%) Visual Studio
4 1 (20.00%) SQL
4 1 (20.00%) REST
4 1 (20.00%) CSS3

JavaScript
Co-occurring IT Skills in Epsom 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 2 (40.00%) SharePoint
1 2 (40.00%) SharePoint 2010
1 2 (40.00%) SharePoint 2013
2 1 (20.00%) CMS
2 1 (20.00%) ExpressionEngine
2 1 (20.00%) WordPress
Cloud Services
1 2 (40.00%) Office 365
Database & Business Intelligence
1 2 (40.00%) Power BI
1 2 (40.00%) SQL Server
Development Applications
1 1 (20.00%) Git (software)
1 1 (20.00%) Subversion
1 1 (20.00%) Visual Studio
General
1 1 (20.00%) Finance
1 1 (20.00%) Marketing
Job Titles
1 5 (100.00%) Developer
2 2 (40.00%) PHP Developer
2 2 (40.00%) SharePoint Developer
2 2 (40.00%) Web Developer
3 1 (20.00%) Front End Developer (Client-Side Developer)
3 1 (20.00%) Front End Web Developer (Client-Side Developer)
3 1 (20.00%) PHP Web Developer
3 1 (20.00%) Senior Developer
3 1 (20.00%) Senior PHP Developer
3 1 (20.00%) Senior PHP Web Developer
3 1 (20.00%) Senior Web Developer
Libraries, Frameworks & Software Standards
1 5 (100.00%) CSS
1 5 (100.00%) HTML
2 3 (60.00%) jQuery
3 2 (40.00%) .NET
3 2 (40.00%) AngularJS
3 2 (40.00%) React
4 1 (20.00%) CSS3
4 1 (20.00%) HTML5
4 1 (20.00%) OAuth
4 1 (20.00%) REST
4 1 (20.00%) Sass
Miscellaneous
1 1 (20.00%) Computer Science
1 1 (20.00%) Social Media
Processes & Methodologies
1 2 (40.00%) Front End Development
1 2 (40.00%) Web Development
2 1 (20.00%) Content Management
2 1 (20.00%) Conversion Rate Optimisation
2 1 (20.00%) Digital Marketing
2 1 (20.00%) Online Marketing
2 1 (20.00%) Pay per click
2 1 (20.00%) Project Management
2 1 (20.00%) SEO
2 1 (20.00%) Unit Testing
Programming Languages
1 3 (60.00%) PHP
2 1 (20.00%) C#
2 1 (20.00%) SQL
Qualifications
1 1 (20.00%) Computer Science Degree
1 1 (20.00%) Degree
Quality Assurance & Compliance
1 1 (20.00%) QA
Vendors
1 1 (20.00%) Microsoft