Period
to 17 November 2017

The median contractor rate for a JavaScript Developer was £389 per day in advertised job vacancies in Berkshire during the 6 months to 17 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
South East > Berkshire
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 106 117 119
Rank change year-on-year +11 +2 +3
Contract jobs requiring a JavaScript Developer 53 51 58
As % of all contract IT jobs advertised in Berkshire 1.29% 1.18% 1.15%
As % of the Job Titles category 1.40% 1.28% 1.25%
Number of daily rates quoted 44 39 44
Berkshire median daily rate £389 £400 £350
Median daily rate % change year-on-year -2.81% +14.29% +1.82%
10th Percentile £313 £313 £281
90th Percentile £476 £444 £456
South East median daily rate £438 £400 £375
% change year-on-year +9.38% +6.67% +7.14%
Number of hourly rates quoted 0 1 0
Berkshire median hourly rate - £36.50 -
South East median hourly rate £45.00 £36.50 -
% change year-on-year +23.29% - -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in Berkshire. 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
Berkshire
Contract vacancies in Berkshire with a recognized job title 3778 3988 4655
% of contract IT jobs with a recognized job title 91.90% 92.31% 92.42%
Number of daily rates quoted 1993 2162 2527
Berkshire median daily rate £425 £400 £390
Median daily rate % change year-on-year +6.25% +2.56% +4.00%
10th Percentile £250 £228 £213
90th Percentile £588 £565 £538
South East median daily rate £415 £400 £388
% change year-on-year +3.75% +3.23% +7.64%
Number of hourly rates quoted 131 188 242
Berkshire median hourly rate £14.50 £14.50 £21.55
Median hourly rate % change year-on-year - -32.71% +23.14%
10th Percentile £10.40 £9.25 £10.00
90th Percentile £40.00 £42.73 £46.62
South East median hourly rate £18.00 £19.44 £18.00
% change year-on-year -7.38% +7.97% +12.50%

JavaScript Developer
Job Vacancy Trend in Berkshire

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

Job vacancy trend for JavaScript Developer in Berkshire

JavaScript Developer
Contractor Daily Rate Trend in Berkshire

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

Contractor daily rate trend for JavaScript Developer in Berkshire

JavaScript Developer
Contractor Daily Rate Histogram in Berkshire

The daily rate distribution of IT jobs citing JavaScript Developer in Berkshire over the 6 months to 17 November 2017.

Contractor daily rate histogram for JavaScript Developer in Berkshire

JavaScript Developer
Contractor Hourly Rate Trend in Berkshire

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

Contractor hourly rate trend for JavaScript Developer in Berkshire

JavaScript Developer
Contract Job Locations in Berkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript Developer within the Berkshire region over the 6 months to 17 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Newbury +10 15 £338 -
Reading +7 15 £395 -1.25% 4
Slough +13 7 £450 +12.50%
Bracknell +1 4 - -
JavaScript Developer
South East

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

For the 6 months to 17 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 Berkshire region featuring JavaScript Developer in the job title.

1 53 (100.00%) JavaScript
2 42 (79.25%) CSS
3 41 (77.36%) HTML
4 34 (64.15%) HTML5
5 26 (49.06%) Node.js
6 25 (47.17%) AngularJS
7 23 (43.40%) CSS3
8 22 (41.51%) Sass
9 20 (37.74%) Front End Development
10 18 (33.96%) React
10 18 (33.96%) Agile Software Development
11 17 (32.08%) gulp
12 16 (30.19%) jQuery
13 15 (28.30%) TDD
14 14 (26.42%) webpack
14 14 (26.42%) Twitter Bootstrap
14 14 (26.42%) Git (software)
15 10 (18.87%) C#
16 9 (16.98%) BDD
17 8 (15.09%) ES6
17 8 (15.09%) Protractor
17 8 (15.09%) Redux
17 8 (15.09%) Computer Science Degree
17 8 (15.09%) Grunt
17 8 (15.09%) Karma Test Runner
17 8 (15.09%) SQL
17 8 (15.09%) .NET
17 8 (15.09%) Linux
17 8 (15.09%) CRM
17 8 (15.09%) Scrum

JavaScript Developer Skill Set
Co-occurring IT Skills in Berkshire 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 (3.77%) Elasticsearch
1 2 (3.77%) OpenStack
2 1 (1.89%) Apache
Applications
1 6 (11.32%) Adobe Creative Suite
2 5 (9.43%) Adobe Illustrator
2 5 (9.43%) Photoshop
3 4 (7.55%) MS Visio
Cloud Services
1 7 (13.21%) npm
2 4 (7.55%) Microsoft Azure
2 4 (7.55%) SaaS
3 3 (5.66%) Amazon AWS
4 1 (1.89%) GitHub
Communications & Networking
1 1 (1.89%) Internet
Database & Business Intelligence
1 7 (13.21%) MySQL
2 5 (9.43%) SQL Server
3 2 (3.77%) Big Data
3 2 (3.77%) Pentaho
4 1 (1.89%) MonetDB
4 1 (1.89%) MongoDB
4 1 (1.89%) Relational Database
Development Applications
1 17 (32.08%) gulp
2 14 (26.42%) Git (software)
2 14 (26.42%) webpack
3 8 (15.09%) Grunt
3 8 (15.09%) Karma Test Runner
3 8 (15.09%) Protractor
4 6 (11.32%) Jasmine
4 6 (11.32%) Mocha
5 4 (7.55%) Axure RP
5 4 (7.55%) Babel
5 4 (7.55%) Dreamweaver
5 4 (7.55%) Subversion
5 4 (7.55%) Visual Studio
6 3 (5.66%) Selenium
6 3 (5.66%) WebDriver
7 2 (3.77%) Sinon.JS
8 1 (1.89%) Jenkins
8 1 (1.89%) JIRA
General
1 6 (11.32%) Retail
2 2 (3.77%) Finance
2 2 (3.77%) Games
3 1 (1.89%) Banking
3 1 (1.89%) Telecoms
Libraries, Frameworks & Software Standards
1 42 (79.25%) CSS
2 41 (77.36%) HTML
3 34 (64.15%) HTML5
4 26 (49.06%) Node.js
5 25 (47.17%) AngularJS
6 23 (43.40%) CSS3
7 22 (41.51%) Sass
8 18 (33.96%) React
9 16 (30.19%) jQuery
10 14 (26.42%) Twitter Bootstrap
11 8 (15.09%) .NET
11 8 (15.09%) Redux
12 5 (9.43%) JSON
12 5 (9.43%) LESS
12 5 (9.43%) SVG
12 5 (9.43%) Vue (Vue.js)
13 4 (7.55%) Jest
13 4 (7.55%) RESTful
13 4 (7.55%) XML
14 3 (5.66%) ASP.NET
Miscellaneous
1 6 (11.32%) Computer Science
2 5 (9.43%) User Experience
3 4 (7.55%) Animation
4 3 (5.66%) Greenfield Project
5 2 (3.77%) Mobile App
6 1 (1.89%) Online Banking
Operating Systems
1 8 (15.09%) Linux
2 4 (7.55%) Windows
Processes & Methodologies
1 20 (37.74%) Front End Development
2 18 (33.96%) Agile Software Development
3 15 (28.30%) TDD
4 9 (16.98%) BDD
5 8 (15.09%) CRM
5 8 (15.09%) Scrum
6 7 (13.21%) Continuous Integration
6 7 (13.21%) Test Automation
6 7 (13.21%) Visualisation
7 6 (11.32%) Open Source
8 5 (9.43%) MVC
9 4 (7.55%) E-Commerce
9 4 (7.55%) OO
9 4 (7.55%) OOP
9 4 (7.55%) Web Development
10 3 (5.66%) OOD
10 3 (5.66%) UML
10 3 (5.66%) Web Application Development
11 2 (3.77%) Analytics
11 2 (3.77%) DevOps
Programming Languages
1 53 (100.00%) JavaScript
2 10 (18.87%) C#
3 8 (15.09%) ES6
3 8 (15.09%) SQL
4 6 (11.32%) ECMAScript
5 4 (7.55%) PHP
5 4 (7.55%) TypeScript
6 2 (3.77%) Bash Shell
7 1 (1.89%) Python
Qualifications
1 8 (15.09%) Computer Science Degree
1 8 (15.09%) Degree
System Software
1 3 (5.66%) Docker
Vendors
1 6 (11.32%) Adobe
1 6 (11.32%) Twitter
2 2 (3.77%) ServiceNow
2 2 (3.77%) Zend