Period
to 21 June 2018

The median contractor rate for a JavaScript Developer was £361 per day in advertised job vacancies in Berkshire during the 6 months to 21 June 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
21 Jun 2018
Same period 2017 Same period 2016
Rank 124 96 150
Rank change year-on-year -28 +54 -21
Contract jobs requiring a JavaScript Developer 40 54 29
As % of all contract IT jobs advertised in Berkshire 1.04% 1.48% 0.60%
As % of the Job Titles category 1.12% 1.59% 0.65%
Number of daily rates quoted 32 69 28
Berkshire median daily rate £361 £425 £375
Median daily rate % change year-on-year -15.00% +13.33% +3.45%
10th Percentile £294 £343 £325
90th Percentile £438 £485 £488
South East median daily rate £425 £400 £355
% change year-on-year +6.25% +12.68% -5.33%
Number of hourly rates quoted 0 0 0
Berkshire median hourly rate - - -
South East median hourly rate £47.50 £42.75 £28.75
% change year-on-year +11.11% +48.70% -

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 3,570 3,389 4,477
% of contract IT jobs with a recognized job title 92.70% 92.77% 92.67%
Number of daily rates quoted 1,861 1,601 2,374
Berkshire median daily rate £415 £413 £400
Median daily rate % change year-on-year +0.61% +3.13% +6.67%
10th Percentile £256 £220 £250
90th Percentile £588 £575 £538
South East median daily rate £425 £405 £400
% change year-on-year +4.94% +1.25% +6.67%
Number of hourly rates quoted 94 160 171
Berkshire median hourly rate £17.50 £15.00 £14.50
Median hourly rate % change year-on-year +16.67% +3.45% -21.62%
10th Percentile £8.00 £9.25 £9.25
90th Percentile £48.15 £40.60 £53.00
South East median hourly rate £18.11 £17.50 £20.25
% change year-on-year +3.49% -13.58% +19.12%

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 21 June 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 21 June 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
Newbury -2 14 £344 -19.12% 1
Reading -17 12 £425 +9.68% 7
Bracknell +1 3 - - 2
Slough -8 1 £425 +3.03% 2
Maidenhead -11 1 £400 +23.08% 1
JavaScript Developer
South East

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

For the 6 months to 21 June 2018, JavaScript Developer contract jobs required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Berkshire region featuring JavaScript Developer in the job title.

1 40 (100.00%) JavaScript
2 37 (92.50%) CSS
3 33 (82.50%) HTML
4 31 (77.50%) Node.js
5 25 (62.50%) React
6 24 (60.00%) CSS3
7 22 (55.00%) HTML5
8 19 (47.50%) Front End Development
9 17 (42.50%) AngularJS
10 14 (35.00%) Git (software)
10 14 (35.00%) .NET
11 12 (30.00%) Sass
11 12 (30.00%) gulp
11 12 (30.00%) Redux
12 8 (20.00%) jQuery
13 6 (15.00%) Greenfield Project
13 6 (15.00%) webpack
13 6 (15.00%) LESS
13 6 (15.00%) REST
13 6 (15.00%) Agile Software Development
13 6 (15.00%) OO
14 5 (12.50%) E-Commerce
14 5 (12.50%) TDD
14 5 (12.50%) Responsive Web Design
14 5 (12.50%) ES6
14 5 (12.50%) Cross-Browser Development
15 4 (10.00%) Electron Framework
15 4 (10.00%) Wireframes
15 4 (10.00%) Ionic Framework
15 4 (10.00%) Continuous Integration

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 (5.00%) CMS
1 2 (5.00%) Confluence
1 2 (5.00%) Drupal
1 2 (5.00%) Kentico
2 1 (2.50%) Apache
2 1 (2.50%) WebSphere
Applications
1 3 (7.50%) Adobe Creative Suite
Business Applications
1 3 (7.50%) Magento
Cloud Services
1 3 (7.50%) Amazon AWS
1 3 (7.50%) Serverless
2 2 (5.00%) Amazon Kinesis
2 2 (5.00%) AWS CloudFormation
2 2 (5.00%) AWS Lambda
2 2 (5.00%) Microsoft Azure
3 1 (2.50%) GitHub
3 1 (2.50%) SaaS
Database & Business Intelligence
1 2 (5.00%) Amazon DynamoDB
2 1 (2.50%) Big Data
2 1 (2.50%) NoSQL
Development Applications
1 14 (35.00%) Git (software)
2 12 (30.00%) gulp
3 6 (15.00%) webpack
4 3 (7.50%) JIRA
5 2 (5.00%) Cucumber
5 2 (5.00%) Jenkins
5 2 (5.00%) Mercurial
6 1 (2.50%) Eclipse
6 1 (2.50%) Grunt
6 1 (2.50%) Jasmine
6 1 (2.50%) JUnit
6 1 (2.50%) Karma Test Runner
6 1 (2.50%) Maven
6 1 (2.50%) PhantomJS
6 1 (2.50%) QUnit
6 1 (2.50%) Selenium
6 1 (2.50%) Subversion
6 1 (2.50%) Team Foundation Server
6 1 (2.50%) Visual Studio Team System
General
1 3 (7.50%) Retail
2 1 (2.50%) Manufacturing
2 1 (2.50%) Marketing
2 1 (2.50%) Telecoms
Libraries, Frameworks & Software Standards
1 37 (92.50%) CSS
2 33 (82.50%) HTML
3 31 (77.50%) Node.js
4 25 (62.50%) React
5 24 (60.00%) CSS3
6 22 (55.00%) HTML5
7 17 (42.50%) AngularJS
8 14 (35.00%) .NET
9 12 (30.00%) Redux
9 12 (30.00%) Sass
10 8 (20.00%) jQuery
11 6 (15.00%) LESS
11 6 (15.00%) REST
12 4 (10.00%) Electron Framework
12 4 (10.00%) Ionic Framework
13 3 (7.50%) Angular 2
13 3 (7.50%) KnockoutJS
13 3 (7.50%) Web Services
14 2 (5.00%) JSON
15 1 (2.50%) .NET Framework
Miscellaneous
1 6 (15.00%) Greenfield Project
2 3 (7.50%) User Experience
Operating Systems
1 1 (2.50%) Linux
Processes & Methodologies
1 19 (47.50%) Front End Development
2 6 (15.00%) Agile Software Development
2 6 (15.00%) OO
3 5 (12.50%) Cross-Browser Development
3 5 (12.50%) E-Commerce
3 5 (12.50%) Responsive Web Design
3 5 (12.50%) TDD
4 4 (10.00%) Continuous Integration
4 4 (10.00%) Web Development
4 4 (10.00%) Wireframes
5 3 (7.50%) Cross-Browser Compatibility
5 3 (7.50%) Kanban
5 3 (7.50%) OO PHP
5 3 (7.50%) OOP
5 3 (7.50%) Scrum
5 3 (7.50%) Test Automation
6 2 (5.00%) API Testing
6 2 (5.00%) BDD
6 2 (5.00%) DevOps
6 2 (5.00%) Functional Programming
Programming Languages
1 40 (100.00%) JavaScript
2 5 (12.50%) ES6
3 3 (7.50%) PHP
4 1 (2.50%) C#
4 1 (2.50%) Java
4 1 (2.50%) Python
4 1 (2.50%) SQL
Quality Assurance & Compliance
1 2 (5.00%) QA
Vendors
1 3 (7.50%) Adobe
2 1 (2.50%) Twitter