The following table provides summary statistics for contract job vacancies advertised in Doncaster 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 28 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)
South Yorkshire / Doncaster
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 2 5 16
Rank change year-on-year +3 +11  
Contract jobs citing JavaScript 11 2 1
As % of all contract IT jobs advertised in Doncaster 34.38% 8.70% 1.89%
As % of the Programming Languages category 78.57% 25.00% 3.70%
Number of daily rates quoted 10 7 0
Median daily rate £170 £238 -
Median daily rate % change year-on-year -28.42% -  
UK excluding London median daily rate £375 £360 £350
% change year-on-year +4.16% +3.00%  
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 Doncaster with a requirement for programming language skills.

Contract Programming Language Skills
Doncaster
Contract job vacancies with a requirement for programming language skills 14 8 27
As % of all contract IT job vacancies advertised in Doncaster 43.75% 34.78% 50.94%
Number of daily rates quoted 34 20 23
Median daily rate £170 £238 £363
Median daily rate % change year-on-year -28.42% -34.48%  
90% offered a daily rate of more than £113 £219 £275
10% offered a daily rate of more than £385 £315 £438
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 0 1 1
Median hourly rate - £22.50 £25.00
Median hourly rate % change year-on-year - -10.00%  
UK excluding London median hourly rate £42.50 £37.00 £37.00
% change year-on-year +14.86% -  

JavaScript
Job Vacancy Trend in Doncaster

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

Job vacancy trend for JavaScript in Doncaster

JavaScript
Contractor Daily Rate Trend in Doncaster

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

Contractor daily rate trend for JavaScript in Doncaster

JavaScript
Contractor Daily Rate Histogram in Doncaster

The daily rate distribution of IT jobs citing JavaScript in Doncaster over the 3 months to 28 June 2017.

Contractor daily rate histogram for JavaScript in Doncaster

JavaScript
Contractor Hourly Rate Trend in Doncaster

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

Contractor hourly rate trend for JavaScript in Doncaster

For the 6 months to 28 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 Doncaster region with a requirement for JavaScript.

1 10 (62.50%) .NET
2 9 (56.25%) HTML
2 9 (56.25%) ASP.NET
2 9 (56.25%) CSS
3 7 (43.75%) SQL
3 7 (43.75%) C#
4 6 (37.50%) Java
4 6 (37.50%) XML
4 6 (37.50%) SQL Server
4 6 (37.50%) SOA
4 6 (37.50%) Agile Software Development
4 6 (37.50%) Spring
4 6 (37.50%) JSON
5 5 (31.25%) Mobile Development
5 5 (31.25%) Greenfield Project
5 5 (31.25%) Java EE
5 5 (31.25%) JAXB
5 5 (31.25%) OO
5 5 (31.25%) Web Services
5 5 (31.25%) VB.NET
5 5 (31.25%) Classic ASP
6 3 (18.75%) CSS3
7 2 (12.50%) jQuery
7 2 (12.50%) VB
7 2 (12.50%) J2EE
8 1 (6.25%) Spring Boot
8 1 (6.25%) Sonatype Nexus
8 1 (6.25%) Oracle
8 1 (6.25%) T-SQL
8 1 (6.25%) JUnit

JavaScript
Co-occurring IT Skills in Doncaster 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 (6.25%) Apache
1 1 (6.25%) Oracle SOA Suite
Database & Business Intelligence
1 6 (37.50%) SQL Server
2 1 (6.25%) Apache Cassandra
2 1 (6.25%) MongoDB
2 1 (6.25%) NoSQL
Development Applications
1 1 (6.25%) Eclipse
1 1 (6.25%) Git (software)
1 1 (6.25%) Gradle
1 1 (6.25%) IntelliJ
1 1 (6.25%) Jenkins
1 1 (6.25%) JUnit
1 1 (6.25%) Maven
1 1 (6.25%) NUnit
1 1 (6.25%) Sonatype Nexus
1 1 (6.25%) Subversion
General
1 1 (6.25%) Finance
1 1 (6.25%) Pharmaceutical
Job Titles
1 15 (93.75%) Developer
2 8 (50.00%) .NET Developer
3 6 (37.50%) Java Developer
3 6 (37.50%) Junior
3 6 (37.50%) Junior Developer
4 5 (31.25%) Junior .NET Developer
4 5 (31.25%) VB.NET Developer
5 4 (25.00%) ASP.NET Developer
5 4 (25.00%) Junior VB.NET Developer
5 4 (25.00%) SQL Developer
6 2 (12.50%) JavaScript Developer
6 2 (12.50%) Junior JavaScript Developer
6 2 (12.50%) Junior SQL Developer
7 1 (6.25%) Applications Support Technician
7 1 (6.25%) C# .NET Developer
7 1 (6.25%) C# ASP.NET Developer
7 1 (6.25%) C# Developer
7 1 (6.25%) Junior ASP.NET Developer
7 1 (6.25%) Systems Developer
7 1 (6.25%) VB.NET/ASP.NET Developer
Libraries, Frameworks & Software Standards
1 10 (62.50%) .NET
2 9 (56.25%) ASP.NET
2 9 (56.25%) CSS
2 9 (56.25%) HTML
3 6 (37.50%) JSON
3 6 (37.50%) Spring
3 6 (37.50%) XML
4 5 (31.25%) Classic ASP
4 5 (31.25%) Java EE
4 5 (31.25%) JAXB
4 5 (31.25%) Web Services
5 3 (18.75%) CSS3
6 2 (12.50%) J2EE
6 2 (12.50%) jQuery
7 1 (6.25%) .NET Framework
7 1 (6.25%) ActiveMQ
7 1 (6.25%) Entity Framework
7 1 (6.25%) JMS
7 1 (6.25%) RESTful
7 1 (6.25%) SOAP
Miscellaneous
1 5 (31.25%) Greenfield Project
2 1 (6.25%) Analytical Skills
Operating Systems
1 1 (6.25%) Linux
Processes & Methodologies
1 6 (37.50%) Agile Software Development
1 6 (37.50%) SOA
2 5 (31.25%) Mobile Development
2 5 (31.25%) OO
3 1 (6.25%) BDD
3 1 (6.25%) Continuous Integration
3 1 (6.25%) Data Modelling
3 1 (6.25%) Dependency Injection
3 1 (6.25%) Integration Testing
3 1 (6.25%) MVC
3 1 (6.25%) Scrum
3 1 (6.25%) Software Engineering
3 1 (6.25%) TDD
3 1 (6.25%) Test Automation
3 1 (6.25%) UML
3 1 (6.25%) Unit Testing
Programming Languages
1 7 (43.75%) C#
1 7 (43.75%) SQL
2 6 (37.50%) Java
3 5 (31.25%) VB.NET
4 2 (12.50%) VB
5 1 (6.25%) T-SQL
Vendors
1 1 (6.25%) Oracle