The following table provides summary statistics for contract job vacancies advertised in Luton 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)
Bedfordshire / Luton
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 10 17 16
Rank change year-on-year +7 -1  
Contract jobs citing JavaScript 20 6 8
As % of all contract IT jobs advertised in Luton 12.42% 4.08% 5.76%
As % of the Programming Languages category 30.30% 20.00% 25.00%
Number of daily rates quoted 14 6 8
Median daily rate £300 £400 £356
Median daily rate % change year-on-year -25.00% +12.28%  
90% offered a daily rate of more than £288 £268 £243
10% offered a daily rate of more than £380 £438 £408
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 Luton with a requirement for programming language skills.

Contract Programming Language Skills
Luton
Contract job vacancies with a requirement for programming language skills 66 30 32
As % of all contract IT job vacancies advertised in Luton 40.99% 20.41% 23.02%
Number of daily rates quoted 54 22 28
Median daily rate £475 £425 £375
Median daily rate % change year-on-year +11.76% +13.33%  
90% offered a daily rate of more than £300 £299 £225
10% offered a daily rate of more than £500 £591 £500
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 0 4 1
Median hourly rate - £46.07 £51.30
Median hourly rate % change year-on-year - -10.19%  
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 Luton

The job posting trend of jobs advertised in Luton 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 Luton

JavaScript
Contractor Daily Rate Trend in Luton

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

Contractor daily rate trend for JavaScript in Luton

JavaScript
Contractor Daily Rate Histogram in Luton

The daily rate distribution of IT jobs citing JavaScript in Luton over the 3 months to 27 June 2017.

Contractor daily rate histogram for JavaScript in Luton

JavaScript
Contractor Hourly Rate Trend in Luton

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

Contractor hourly rate trend for JavaScript in Luton

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 Luton region with a requirement for JavaScript.

1 24 (80.00%) HTML
2 22 (73.33%) CSS
3 17 (56.67%) Dojo
3 17 (56.67%) jQuery
4 16 (53.33%) Agile Software Development
5 15 (50.00%) Sass
5 15 (50.00%) LESS
6 12 (40.00%) HTML5
6 12 (40.00%) CSS3
6 12 (40.00%) Ajax
6 12 (40.00%) OOP
7 11 (36.67%) Apache
7 11 (36.67%) JSON
7 11 (36.67%) Web Development
7 11 (36.67%) HTTP
7 11 (36.67%) Progressive Enhancement
7 11 (36.67%) Front End Development
8 10 (33.33%) Twitter Bootstrap
9 9 (30.00%) TDD
9 9 (30.00%) XML
10 8 (26.67%) JSP
10 8 (26.67%) J2EE
10 8 (26.67%) Node.js
10 8 (26.67%) Git (software)
10 8 (26.67%) Prototyping
11 7 (23.33%) Cross-Browser Compatibility
11 7 (23.33%) DOM
11 7 (23.33%) OO
11 7 (23.33%) Retail
11 7 (23.33%) Subversion

JavaScript
Co-occurring IT Skills in Luton 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 11 (36.67%) Apache
2 1 (3.33%) WebSphere
2 1 (3.33%) WebSphere Application Server
2 1 (3.33%) WebSphere Portal
Business Applications
1 1 (3.33%) Data Workbench
Cloud Services
1 1 (3.33%) Adobe Analytics
1 1 (3.33%) SaaS
Communications & Networking
1 11 (36.67%) HTTP
2 2 (6.67%) Skype
Database & Business Intelligence
1 3 (10.00%) SQL Server
2 2 (6.67%) GIS
3 1 (3.33%) Big Data
3 1 (3.33%) DB2
3 1 (3.33%) SQL Server Integration Services
3 1 (3.33%) SQL Server Reporting Services
Development Applications
1 8 (26.67%) Git (software)
2 7 (23.33%) Subversion
3 2 (6.67%) Babel
3 2 (6.67%) webpack
4 1 (3.33%) Eclipse
4 1 (3.33%) Rational Application Developer
4 1 (3.33%) Visual Studio
General
1 7 (23.33%) Retail
2 1 (3.33%) Marketing
Job Titles
1 27 (90.00%) Developer
2 14 (46.67%) UI Developer
3 6 (20.00%) Front End Developer (Client-Side Developer)
4 4 (13.33%) .NET Developer
5 3 (10.00%) Angular Developer
5 3 (10.00%) Junior
5 3 (10.00%) Junior Developer
6 2 (6.67%) C# .NET Developer
6 2 (6.67%) C# Developer
6 2 (6.67%) SQL Developer
7 1 (3.33%) Analyst
7 1 (3.33%) ASP.NET MVC Developer
7 1 (3.33%) Consultant
7 1 (3.33%) Digital Analyst
7 1 (3.33%) Java Developer
7 1 (3.33%) JavaScript Developer
7 1 (3.33%) Senior .NET Developer
7 1 (3.33%) Senior Developer
7 1 (3.33%) Software Developer
7 1 (3.33%) Web UI Developer
Libraries, Frameworks & Software Standards
1 24 (80.00%) HTML
2 22 (73.33%) CSS
3 17 (56.67%) Dojo
3 17 (56.67%) jQuery
4 15 (50.00%) LESS
4 15 (50.00%) Sass
5 12 (40.00%) Ajax
5 12 (40.00%) CSS3
5 12 (40.00%) HTML5
6 11 (36.67%) JSON
7 10 (33.33%) Twitter Bootstrap
8 9 (30.00%) XML
9 8 (26.67%) J2EE
9 8 (26.67%) JSP
9 8 (26.67%) Node.js
10 7 (23.33%) DOM
10 7 (23.33%) SAX
10 7 (23.33%) XML Schema
11 6 (20.00%) React
12 4 (13.33%) .NET
Miscellaneous
1 7 (23.33%) Animation
2 5 (16.67%) Social Media
3 2 (6.67%) Greenfield Project
4 1 (3.33%) Analytical Skills
4 1 (3.33%) Enterprise Software
4 1 (3.33%) Foreign Exchange (FX)
4 1 (3.33%) User Experience
Operating Systems
1 3 (10.00%) Windows
2 1 (3.33%) AIX
2 1 (3.33%) HPUX
2 1 (3.33%) Linux
2 1 (3.33%) Solaris
2 1 (3.33%) Unix
Processes & Methodologies
1 16 (53.33%) Agile Software Development
2 12 (40.00%) OOP
3 11 (36.67%) Front End Development
3 11 (36.67%) Progressive Enhancement
3 11 (36.67%) Web Development
4 9 (30.00%) TDD
5 8 (26.67%) Prototyping
6 7 (23.33%) Cross-Browser Compatibility
6 7 (23.33%) OO
7 5 (16.67%) Analytics
8 4 (13.33%) Business Analytics
8 4 (13.33%) Business Intelligence
8 4 (13.33%) CRM
8 4 (13.33%) E-Commerce
8 4 (13.33%) ERP
8 4 (13.33%) Infrastructure Management
9 3 (10.00%) MVC
9 3 (10.00%) Scrum
10 2 (6.67%) BEM - Block Element Modifier
10 2 (6.67%) Responsive Web Design
Programming Languages
1 4 (13.33%) SQL
2 3 (10.00%) C#
3 2 (6.67%) ES6
4 1 (3.33%) Java
4 1 (3.33%) Python
Vendors
1 2 (6.67%) Mapbox
2 1 (3.33%) Adobe
2 1 (3.33%) DevExpress
2 1 (3.33%) IBM
2 1 (3.33%) Microsoft
2 1 (3.33%) Oracle
2 1 (3.33%) Splunk