Period
to 18 January 2019

The median contractor rate for a JavaScript Developer was £400 per day in advertised job vacancies in Berkshire during the 6 months to 18 January 2019.

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
18 Jan 2019
Same period 2018 Same period 2017
Rank 117 123 91
Rank change year-on-year +6 -32 +31
Contract jobs requiring a JavaScript Developer 55 53 69
As % of all contract IT jobs advertised in Berkshire 1.33% 1.30% 1.71%
As % of the Job Titles category 1.44% 1.41% 1.84%
Number of daily rates quoted 41 43 56
Berkshire median daily rate £400 £375 £400
Median daily rate % change year-on-year +6.67% -6.25% +6.67%
10th Percentile £325 £275 £313
90th Percentile £538 £481 £550
South East median daily rate £425 £450 £400
% change year-on-year -5.56% +12.50% +8.47%
Number of hourly rates quoted 0 0 1
Berkshire median hourly rate - - £36.50
South East median hourly rate - £45.00 £36.50
% change year-on-year - +23.29% +143.33%

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 3,819 3,758 3,744
% of contract IT jobs with a recognized job title 92.47% 91.88% 92.72%
Number of daily rates quoted 1,872 1,997 2,002
Berkshire median daily rate £425 £415 £400
Median daily rate % change year-on-year +2.41% +3.75% -
10th Percentile £215 £256 £238
90th Percentile £575 £588 £575
South East median daily rate £434 £425 £400
% change year-on-year +2.06% +6.25% +2.56%
Number of hourly rates quoted 102 100 173
Berkshire median hourly rate £17.75 £14.75 £15.00
Median hourly rate % change year-on-year +20.34% -1.67% -24.05%
10th Percentile £11.25 £10.58 £9.25
90th Percentile £47.50 £42.28 £49.90
South East median hourly rate £20.50 £18.00 £17.50
% change year-on-year +13.89% +2.86% -7.89%

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 18 January 2019.

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 18 January 2019. 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
Bracknell +6 18 £450 +20.00% 3
Newbury +6 15 £350 +3.70% 1
Reading -12 14 £425 +5.59% 7
Slough -14 1 £400 -12.33%
JavaScript Developer
South East

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

For the 6 months to 18 January 2019, 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 55 (100.00%) JavaScript
2 43 (78.18%) React
3 38 (69.09%) Node.js
4 35 (63.64%) CSS
5 34 (61.82%) HTML
6 28 (50.91%) CSS3
6 28 (50.91%) HTML5
7 23 (41.82%) Agile Software Development
8 22 (40.00%) TDD
9 18 (32.73%) REST
10 17 (30.91%) Front End Development
11 16 (29.09%) Scrum
12 15 (27.27%) Pair Programming
12 15 (27.27%) AngularJS
13 14 (25.45%) Git (software)
14 12 (21.82%) OO
15 11 (20.00%) Jasmine
16 10 (18.18%) Responsive Web Design
16 10 (18.18%) Sass
16 10 (18.18%) Mocha
16 10 (18.18%) BDD
16 10 (18.18%) OOP
17 9 (16.36%) Web Services
17 9 (16.36%) Unit Testing
17 9 (16.36%) Microsoft Azure
17 9 (16.36%) TypeScript
18 8 (14.55%) User Stories
18 8 (14.55%) PaaS
18 8 (14.55%) Software Engineering
18 8 (14.55%) Retail

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 6 (10.91%) Confluence
2 3 (5.45%) CMS
2 3 (5.45%) Liferay
3 1 (1.82%) Elasticsearch
3 1 (1.82%) SharePoint
3 1 (1.82%) SharePoint 2013
3 1 (1.82%) Skype for Business
Applications
1 6 (10.91%) Adobe Creative Suite
2 1 (1.82%) Adobe Illustrator
2 1 (1.82%) Chatbot
2 1 (1.82%) Photoshop
Cloud Services
1 9 (16.36%) Microsoft Azure
2 8 (14.55%) PaaS
3 7 (12.73%) Amazon AWS
3 7 (12.73%) Amazon Kinesis
3 7 (12.73%) AWS CloudFormation
3 7 (12.73%) AWS Lambda
3 7 (12.73%) Serverless
4 2 (3.64%) GitHub
5 1 (1.82%) Apigee
5 1 (1.82%) IaaS
Communications & Networking
1 3 (5.45%) HTTP
2 1 (1.82%) Internet
2 1 (1.82%) Skype
2 1 (1.82%) SSL
Database & Business Intelligence
1 7 (12.73%) Amazon DynamoDB
2 6 (10.91%) Big Data
3 1 (1.82%) Blockchain
3 1 (1.82%) MySQL
Development Applications
1 14 (25.45%) Git (software)
2 11 (20.00%) Jasmine
3 10 (18.18%) Mocha
4 8 (14.55%) gulp
5 7 (12.73%) JIRA
6 6 (10.91%) Jenkins
6 6 (10.91%) Mercurial
7 3 (5.45%) Fiddler
8 2 (3.64%) Cucumber
8 2 (3.64%) Grunt
8 2 (3.64%) Subversion
8 2 (3.64%) webpack
9 1 (1.82%) Karma Test Runner
9 1 (1.82%) PhantomJS
9 1 (1.82%) Selenium
9 1 (1.82%) Sinon.JS
General
1 8 (14.55%) Retail
2 1 (1.82%) Finance
2 1 (1.82%) Games
2 1 (1.82%) Multimedia
2 1 (1.82%) Publishing
Libraries, Frameworks & Software Standards
1 43 (78.18%) React
2 38 (69.09%) Node.js
3 35 (63.64%) CSS
4 34 (61.82%) HTML
5 28 (50.91%) CSS3
5 28 (50.91%) HTML5
6 18 (32.73%) REST
7 15 (27.27%) AngularJS
8 10 (18.18%) Sass
9 9 (16.36%) Web Services
10 8 (14.55%) .NET
10 8 (14.55%) Redux
11 7 (12.73%) Jest
11 7 (12.73%) LESS
12 6 (10.91%) jQuery
13 4 (7.27%) React Native
14 3 (5.45%) RESTful
14 3 (5.45%) Twitter Bootstrap
15 2 (3.64%) SignalR
15 2 (3.64%) WebSockets
Miscellaneous
1 7 (12.73%) User Experience
2 5 (9.09%) Mobile App
3 2 (3.64%) Digital Media
4 1 (1.82%) e-Learning
4 1 (1.82%) NHS
4 1 (1.82%) SCORM
Operating Systems
1 1 (1.82%) CentOS
1 1 (1.82%) Linux
1 1 (1.82%) Red Hat Enterprise Linux
1 1 (1.82%) Windows
Processes & Methodologies
1 23 (41.82%) Agile Software Development
2 22 (40.00%) TDD
3 17 (30.91%) Front End Development
4 16 (29.09%) Scrum
5 15 (27.27%) Pair Programming
6 12 (21.82%) OO
7 10 (18.18%) BDD
7 10 (18.18%) OOP
7 10 (18.18%) Responsive Web Design
8 9 (16.36%) Unit Testing
9 8 (14.55%) Functional Programming
9 8 (14.55%) Microservices
9 8 (14.55%) Software Engineering
9 8 (14.55%) User Stories
10 6 (10.91%) API Testing
10 6 (10.91%) Cross-Browser Development
10 6 (10.91%) DevOps
10 6 (10.91%) Functional Testing
10 6 (10.91%) Test Scripting
10 6 (10.91%) Web Development
Programming Languages
1 55 (100.00%) JavaScript
2 9 (16.36%) TypeScript
3 3 (5.45%) ES6
3 3 (5.45%) Python
3 3 (5.45%) SQL
4 1 (1.82%) ActionScript
4 1 (1.82%) ActionScript 3.0
4 1 (1.82%) Bash Shell
4 1 (1.82%) C#
4 1 (1.82%) Java
4 1 (1.82%) PHP
4 1 (1.82%) PowerShell
4 1 (1.82%) R
4 1 (1.82%) T-SQL
Quality Assurance & Compliance
1 6 (10.91%) QA
Systems Management
1 1 (1.82%) Kibana
Vendors
1 7 (12.73%) Adobe
2 6 (10.91%) Microsoft
3 5 (9.09%) Google
4 1 (1.82%) ServiceNow
4 1 (1.82%) Twitter