Period
to 16 January 2018

The median contractor rate for a JavaScript Developer was £375 per day in advertised job vacancies in Berkshire during the 6 months to 16 January 2018.

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
16 Jan 2018
Same period 2017 Same period 2016
Rank 117 96 116
Rank change year-on-year -21 +20 +9
Contract jobs requiring a JavaScript Developer 55 68 56
As % of all contract IT jobs advertised in Berkshire 1.34% 1.70% 1.15%
As % of the Job Titles category 1.46% 1.84% 1.24%
Number of daily rates quoted 45 55 36
Berkshire median daily rate £375 £400 £375
Median daily rate % change year-on-year -6.25% +6.67% +7.14%
10th Percentile £275 £313 £294
90th Percentile £481 £550 £456
South East median daily rate £450 £400 £368
% change year-on-year +12.50% +8.84% +5.00%
Number of hourly rates quoted 0 1 0
Berkshire median hourly rate - £36.50 -
South East median hourly rate £45.00 £36.50 £15.00
% change year-on-year +23.29% +143.33% -53.85%

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 3,770 3,704 4,514
% of contract IT jobs with a recognized job title 91.73% 92.62% 92.35%
Number of daily rates quoted 2,020 1,989 2,426
Berkshire median daily rate £415 £400 £400
Median daily rate % change year-on-year +3.75% - +6.60%
10th Percentile £256 £238 £226
90th Percentile £588 £575 £538
South East median daily rate £424 £400 £390
% change year-on-year +6.00% +2.56% +4.00%
Number of hourly rates quoted 100 170 242
Berkshire median hourly rate £15.00 £14.50 £20.00
Median hourly rate % change year-on-year +3.45% -27.50% +17.65%
10th Percentile £10.73 £9.25 £9.25
90th Percentile £42.50 £50.00 £47.50
South East median hourly rate £18.00 £17.50 £19.00
% change year-on-year +2.86% -7.89% +18.75%

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 16 January 2018.

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 16 January 2018. 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
Reading -4 17 £403 -5.29% 2
Newbury -1 16 £338 -12.90% 1
Bracknell -6 7 £375 -25.00%
Slough +5 6 £456 +14.06% 2
JavaScript Developer
South East

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

For the 6 months to 16 January 2018, 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 55 (100.00%) JavaScript
2 43 (78.18%) CSS
3 42 (76.36%) HTML
4 35 (63.64%) HTML5
5 28 (50.91%) Sass
6 27 (49.09%) Node.js
7 25 (45.45%) gulp
8 24 (43.64%) AngularJS
9 23 (41.82%) Twitter Bootstrap
10 22 (40.00%) TDD
11 21 (38.18%) React
12 20 (36.36%) webpack
12 20 (36.36%) Front End Development
12 20 (36.36%) Agile Software Development
13 19 (34.55%) CSS3
14 17 (30.91%) BDD
15 16 (29.09%) Continuous Integration
15 16 (29.09%) Test Automation
16 15 (27.27%) jQuery
17 14 (25.45%) Computer Science
17 14 (25.45%) CRM
18 13 (23.64%) Scrum
18 13 (23.64%) Git (software)
18 13 (23.64%) ES6
18 13 (23.64%) Karma Test Runner
18 13 (23.64%) npm
19 12 (21.82%) Computer Science Degree
19 12 (21.82%) ES7
19 12 (21.82%) Protractor
19 12 (21.82%) Open Source

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 (3.64%) Elasticsearch
1 2 (3.64%) OpenStack
2 1 (1.82%) Apache
2 1 (1.82%) Confluence
2 1 (1.82%) WebSphere
2 1 (1.82%) WordPress
Applications
1 6 (10.91%) Adobe Illustrator
1 6 (10.91%) Photoshop
2 5 (9.09%) Adobe Creative Suite
3 4 (7.27%) MS Visio
Business Applications
1 1 (1.82%) Magento
Cloud Services
1 13 (23.64%) npm
2 4 (7.27%) Amazon AWS
2 4 (7.27%) SaaS
3 3 (5.45%) Microsoft Azure
4 2 (3.64%) Firebase
5 1 (1.82%) Amazon Kinesis
5 1 (1.82%) AWS CloudFormation
5 1 (1.82%) AWS Lambda
5 1 (1.82%) GitHub
5 1 (1.82%) Serverless
Communications & Networking
1 1 (1.82%) Internet
Database & Business Intelligence
1 7 (12.73%) MySQL
2 5 (9.09%) SQL Server
3 2 (3.64%) Big Data
3 2 (3.64%) NoSQL
4 1 (1.82%) Amazon DynamoDB
4 1 (1.82%) MonetDB
4 1 (1.82%) Pentaho
Development Applications
1 25 (45.45%) gulp
2 20 (36.36%) webpack
3 13 (23.64%) Git (software)
3 13 (23.64%) Karma Test Runner
4 12 (21.82%) Jasmine
4 12 (21.82%) Protractor
5 6 (10.91%) Grunt
6 5 (9.09%) Axure RP
7 4 (7.27%) Babel
7 4 (7.27%) Dreamweaver
7 4 (7.27%) Jenkins
7 4 (7.27%) Mocha
7 4 (7.27%) Subversion
7 4 (7.27%) Visual Studio
8 3 (5.45%) Selenium
8 3 (5.45%) WebDriver
9 2 (3.64%) JIRA
10 1 (1.82%) Cucumber
10 1 (1.82%) Maven
10 1 (1.82%) Mercurial
General
1 5 (9.09%) Retail
2 3 (5.45%) Telecoms
3 2 (3.64%) Games
4 1 (1.82%) Banking
Libraries, Frameworks & Software Standards
1 43 (78.18%) CSS
2 42 (76.36%) HTML
3 35 (63.64%) HTML5
4 28 (50.91%) Sass
5 27 (49.09%) Node.js
6 24 (43.64%) AngularJS
7 23 (41.82%) Twitter Bootstrap
8 21 (38.18%) React
9 19 (34.55%) CSS3
10 15 (27.27%) jQuery
11 9 (16.36%) .NET
12 6 (10.91%) JSON
12 6 (10.91%) LESS
13 5 (9.09%) Redux
13 5 (9.09%) SVG
13 5 (9.09%) Vue (Vue.js)
13 5 (9.09%) XML
14 4 (7.27%) Jest
14 4 (7.27%) RESTful
15 3 (5.45%) Silverlight
Miscellaneous
1 14 (25.45%) Computer Science
2 7 (12.73%) User Experience
3 4 (7.27%) Animation
4 3 (5.45%) Mobile App
5 2 (3.64%) Life Science
6 1 (1.82%) Greenfield Project
6 1 (1.82%) Online Banking
Operating Systems
1 8 (14.55%) Linux
2 4 (7.27%) Windows
3 2 (3.64%) Android
3 2 (3.64%) Apple iOS
Processes & Methodologies
1 22 (40.00%) TDD
2 20 (36.36%) Agile Software Development
2 20 (36.36%) Front End Development
3 17 (30.91%) BDD
4 16 (29.09%) Continuous Integration
4 16 (29.09%) Test Automation
5 14 (25.45%) CRM
6 13 (23.64%) Scrum
7 12 (21.82%) Open Source
8 5 (9.09%) E-Commerce
8 5 (9.09%) MVC
8 5 (9.09%) OOP
8 5 (9.09%) Visualisation
9 4 (7.27%) Responsive Web Design
9 4 (7.27%) Web Development
10 2 (3.64%) Cross-Browser Development
10 2 (3.64%) Migration
10 2 (3.64%) OO
10 2 (3.64%) Unit Testing
10 2 (3.64%) Web Design
Programming Languages
1 55 (100.00%) JavaScript
2 13 (23.64%) ES6
3 12 (21.82%) ES7
4 9 (16.36%) C#
5 7 (12.73%) SQL
6 5 (9.09%) PHP
7 2 (3.64%) Bash Shell
7 2 (3.64%) Java
8 1 (1.82%) PL/SQL
8 1 (1.82%) Python
8 1 (1.82%) TypeScript
Qualifications
1 12 (21.82%) Computer Science Degree
1 12 (21.82%) Degree
Quality Assurance & Compliance
1 1 (1.82%) QA
System Software
1 1 (1.82%) Docker
Vendors
1 12 (21.82%) Twitter
2 6 (10.91%) Adobe
3 2 (3.64%) ServiceNow
3 2 (3.64%) Zend
4 1 (1.82%) Oracle