Period
to 21 November 2017

The median contractor rate for a JavaScript Developer was £403 per day in advertised job vacancies in Reading during the 6 months to 21 November 2017.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to 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 Developer
Berkshire > Reading
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 76 81 91
Rank change year-on-year +5 +10 -17
Contract jobs requiring a JavaScript Developer 14 16 18
As % of all contract IT jobs advertised in Reading 1.10% 1.09% 0.94%
As % of the Job Titles category 1.18% 1.20% 1.00%
Number of daily rates quoted 13 14 16
Reading median daily rate £403 £400 £419
Median daily rate % change year-on-year +0.63% -4.48% +39.58%
10th Percentile £358 £315 £347
90th Percentile £459 £444 £475
Berkshire median daily rate £390 £400 £350
% change year-on-year -2.50% +14.29% +3.70%
Number of hourly rates quoted 0 0 0
Reading median hourly rate - - -
Berkshire median hourly rate - £36.50 -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in Reading. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
Reading
Contract vacancies in Reading with a recognized job title 1189 1331 1803
% of contract IT jobs with a recognized job title 93.25% 90.42% 94.15%
Number of daily rates quoted 705 711 1076
Reading median daily rate £400 £400 £400
10th Percentile £250 £228 £219
90th Percentile £575 £569 £538
Berkshire median daily rate £425 £400 £390
% change year-on-year +6.25% +2.56% +4.00%
Number of hourly rates quoted 57 78 124
Reading median hourly rate £14.00 £14.75 £21.55
Median hourly rate % change year-on-year -5.08% -31.55% +23.14%
10th Percentile £9.25 £9.25 £9.25
90th Percentile £40.75 £43.28 £47.50
Berkshire median hourly rate £14.00 £14.50 £21.55
% change year-on-year -3.45% -32.71% +23.14%

JavaScript Developer
Job Vacancy Trend in Reading

Job postings that featured JavaScript Developer in the job title as a percentage of all IT jobs advertised in Reading.

Job vacancy trend for JavaScript Developer in Reading

JavaScript Developer
Contractor Daily Rate Trend in Reading

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

Contractor daily rate trend for JavaScript Developer in Reading

JavaScript Developer
Contractor Daily Rate Histogram in Reading

The daily rate distribution of IT jobs citing JavaScript Developer in Reading over the 6 months to 21 November 2017.

Contractor daily rate histogram for JavaScript Developer in Reading

JavaScript Developer
Contractor Hourly Rate Trend in Reading

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

Contractor hourly rate trend for JavaScript Developer in Reading

JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills in Reading

For the 6 months to 21 November 2017, JavaScript Developer contract jobs required the following IT skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Reading region featuring JavaScript Developer in the job title.

1 14 (100.00%) JavaScript
2 11 (78.57%) HTML
2 11 (78.57%) AngularJS
3 10 (71.43%) CSS
4 9 (64.29%) HTML5
5 8 (57.14%) Twitter Bootstrap
5 8 (57.14%) Sass
5 8 (57.14%) Agile Software Development
6 7 (50.00%) TDD
6 7 (50.00%) ES6
6 7 (50.00%) BDD
7 6 (42.86%) Open Source
7 6 (42.86%) Continuous Integration
7 6 (42.86%) Test Automation
7 6 (42.86%) webpack
7 6 (42.86%) gulp
7 6 (42.86%) Karma Test Runner
7 6 (42.86%) Twitter
7 6 (42.86%) Jasmine
7 6 (42.86%) Degree
7 6 (42.86%) Computer Science
7 6 (42.86%) Scrum
7 6 (42.86%) CRM
7 6 (42.86%) ECMAScript
7 6 (42.86%) Protractor
7 6 (42.86%) Computer Science Degree
7 6 (42.86%) npm
8 5 (35.71%) Front End Development
9 4 (28.57%) .NET
10 3 (21.43%) C#

JavaScript Developer Skill Set
Co-occurring IT Skills in Reading 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:

Cloud Services
1 6 (42.86%) npm
2 2 (14.29%) Microsoft Azure
3 1 (7.14%) Amazon AWS
Communications & Networking
1 1 (7.14%) Internet
Database & Business Intelligence
1 1 (7.14%) SQL Server
Development Applications
1 6 (42.86%) gulp
1 6 (42.86%) Jasmine
1 6 (42.86%) Karma Test Runner
1 6 (42.86%) Protractor
1 6 (42.86%) webpack
General
1 1 (7.14%) Banking
Libraries, Frameworks & Software Standards
1 11 (78.57%) AngularJS
1 11 (78.57%) HTML
2 10 (71.43%) CSS
3 9 (64.29%) HTML5
4 8 (57.14%) Sass
4 8 (57.14%) Twitter Bootstrap
5 4 (28.57%) .NET
6 3 (21.43%) ASP.NET
7 2 (14.29%) ASP.NET MVC
7 2 (14.29%) Node.js
7 2 (14.29%) React
7 2 (14.29%) Redux
8 1 (7.14%) Angular 2
8 1 (7.14%) CSS3
8 1 (7.14%) Ext JS
8 1 (7.14%) MEAN Stack
8 1 (7.14%) OAuth
8 1 (7.14%) React Native
8 1 (7.14%) REST
8 1 (7.14%) Vue (Vue.js)
Miscellaneous
1 6 (42.86%) Computer Science
2 1 (7.14%) Greenfield Project
2 1 (7.14%) Mobile App
2 1 (7.14%) Online Banking
Processes & Methodologies
1 8 (57.14%) Agile Software Development
2 7 (50.00%) BDD
2 7 (50.00%) TDD
3 6 (42.86%) Continuous Integration
3 6 (42.86%) CRM
3 6 (42.86%) Open Source
3 6 (42.86%) Scrum
3 6 (42.86%) Test Automation
4 5 (35.71%) Front End Development
5 2 (14.29%) Customer Engagement
5 2 (14.29%) Migration
5 2 (14.29%) MVC
6 1 (7.14%) Analytics
6 1 (7.14%) OO
6 1 (7.14%) OOD
6 1 (7.14%) Performance Testing
6 1 (7.14%) Responsive Web Design
6 1 (7.14%) UML
6 1 (7.14%) Web Application Development
6 1 (7.14%) Web Design
Programming Languages
1 14 (100.00%) JavaScript
2 7 (50.00%) ES6
3 6 (42.86%) ECMAScript
4 3 (21.43%) C#
5 2 (14.29%) SQL
5 2 (14.29%) TypeScript
Qualifications
1 6 (42.86%) Computer Science Degree
1 6 (42.86%) Degree
Vendors
1 6 (42.86%) Twitter