Period
to 18 September 2018

The median contractor rate for a JavaScript Developer was £400 per day in advertised job vacancies in Berkshire during the 6 months to 18 September 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
18 Sep 2018
Same period 2017 Same period 2016
Rank 109 110 147
Rank change year-on-year +1 +37 -29
Contract jobs requiring a JavaScript Developer 60 53 32
As % of all contract IT jobs advertised in Berkshire 1.55% 1.33% 0.70%
As % of the Job Titles category 1.66% 1.44% 0.76%
Number of daily rates quoted 49 68 24
Berkshire median daily rate £400 £419 £378
Median daily rate % change year-on-year -4.48% +10.93% +11.85%
10th Percentile £321 £319 £325
90th Percentile £488 £472 £469
South East median daily rate £425 £425 £388
% change year-on-year - +9.68% +3.33%
Number of hourly rates quoted 0 0 1
Berkshire median hourly rate - - £36.50
South East median hourly rate £47.50 £43.75 £36.50
% change year-on-year +8.57% +19.86% -

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 3,623 3,677 4,216
% of contract IT jobs with a recognized job title 93.30% 92.11% 92.17%
Number of daily rates quoted 1,884 1,892 2,263
Berkshire median daily rate £415 £415 £400
Median daily rate % change year-on-year - +3.75% +3.23%
10th Percentile £215 £250 £250
90th Percentile £575 £581 £563
South East median daily rate £425 £410 £400
% change year-on-year +3.66% +2.50% +6.67%
Number of hourly rates quoted 101 143 181
Berkshire median hourly rate £20.00 £15.50 £14.00
Median hourly rate % change year-on-year +29.03% +10.71% -35.03%
10th Percentile £11.17 £9.25 £9.25
90th Percentile £46.00 £41.80 £38.75
South East median hourly rate £19.44 £18.00 £20.00
% change year-on-year +8.01% -10.00% +14.29%

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 September 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 18 September 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 +7 22 £350 +3.70% 2
Reading -4 19 £425 +13.33% 2
Bracknell +6 8 £400 - 1
Slough -9 2 £413 -8.33% 1
Maidenhead - 2 £463 -
JavaScript Developer
South East

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

For the 6 months to 18 September 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 60 (100.00%) JavaScript
2 52 (86.67%) CSS
3 50 (83.33%) HTML
4 44 (73.33%) React
5 40 (66.67%) Node.js
6 33 (55.00%) HTML5
7 30 (50.00%) CSS3
8 29 (48.33%) Front End Development
9 22 (36.67%) AngularJS
10 18 (30.00%) .NET
11 15 (25.00%) Git (software)
11 15 (25.00%) gulp
12 14 (23.33%) jQuery
13 12 (20.00%) Redux
13 12 (20.00%) REST
14 11 (18.33%) OO
15 10 (16.67%) Web Development
16 9 (15.00%) TDD
16 9 (15.00%) Responsive Web Design
16 9 (15.00%) Sass
16 9 (15.00%) Electron Framework
16 9 (15.00%) Ionic Framework
17 8 (13.33%) Agile Software Development
17 8 (13.33%) Test Automation
18 7 (11.67%) Web Design
18 7 (11.67%) Retail
19 6 (10.00%) Adobe
19 6 (10.00%) Continuous Integration
19 6 (10.00%) Adobe Creative Suite
20 5 (8.33%) GitHub

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 5 (8.33%) CMS
2 2 (3.33%) Confluence
3 1 (1.67%) Apache
Applications
1 6 (10.00%) Adobe Creative Suite
Business Applications
1 3 (5.00%) Magento
Cloud Services
1 5 (8.33%) GitHub
1 5 (8.33%) Microsoft Azure
1 5 (8.33%) Serverless
2 3 (5.00%) Amazon AWS
2 3 (5.00%) SaaS
3 2 (3.33%) Amazon Kinesis
3 2 (3.33%) AWS CloudFormation
3 2 (3.33%) AWS Lambda
4 1 (1.67%) PaaS
Communications & Networking
1 5 (8.33%) HTTP
Database & Business Intelligence
1 2 (3.33%) Amazon DynamoDB
2 1 (1.67%) Big Data
2 1 (1.67%) NoSQL
Development Applications
1 15 (25.00%) Git (software)
1 15 (25.00%) gulp
2 5 (8.33%) Fiddler
2 5 (8.33%) Jasmine
3 3 (5.00%) Mocha
3 3 (5.00%) Team Foundation Server
3 3 (5.00%) Visual Studio Team System
4 2 (3.33%) Cucumber
4 2 (3.33%) Grunt
4 2 (3.33%) Jenkins
4 2 (3.33%) JIRA
4 2 (3.33%) Mercurial
4 2 (3.33%) PhantomJS
4 2 (3.33%) Subversion
4 2 (3.33%) webpack
5 1 (1.67%) QUnit
5 1 (1.67%) Selenium
General
1 7 (11.67%) Retail
2 4 (6.67%) Marketing
3 2 (3.33%) Telecoms
4 1 (1.67%) Games
4 1 (1.67%) Manufacturing
4 1 (1.67%) Publishing
Libraries, Frameworks & Software Standards
1 52 (86.67%) CSS
2 50 (83.33%) HTML
3 44 (73.33%) React
4 40 (66.67%) Node.js
5 33 (55.00%) HTML5
6 30 (50.00%) CSS3
7 22 (36.67%) AngularJS
8 18 (30.00%) .NET
9 14 (23.33%) jQuery
10 12 (20.00%) Redux
10 12 (20.00%) REST
11 9 (15.00%) Electron Framework
11 9 (15.00%) Ionic Framework
11 9 (15.00%) Sass
12 4 (6.67%) LESS
12 4 (6.67%) React Native
13 3 (5.00%) .NET Framework
13 3 (5.00%) Angular 2
13 3 (5.00%) KnockoutJS
13 3 (5.00%) Web Services
Miscellaneous
1 5 (8.33%) User Experience
2 3 (5.00%) Greenfield Project
3 2 (3.33%) Digital Media
4 1 (1.67%) Mobile App
4 1 (1.67%) NHS
Operating Systems
1 1 (1.67%) Linux
Processes & Methodologies
1 29 (48.33%) Front End Development
2 11 (18.33%) OO
3 10 (16.67%) Web Development
4 9 (15.00%) Responsive Web Design
4 9 (15.00%) TDD
5 8 (13.33%) Agile Software Development
5 8 (13.33%) Test Automation
6 7 (11.67%) Web Design
7 6 (10.00%) Continuous Integration
8 5 (8.33%) Content Management
8 5 (8.33%) Cross-Browser Development
8 5 (8.33%) Manual Testing
8 5 (8.33%) Mobile First
8 5 (8.33%) Wireframes
9 4 (6.67%) Digital Marketing
9 4 (6.67%) OOP
9 4 (6.67%) Scrum
10 3 (5.00%) E-Commerce
10 3 (5.00%) Pair Programming
10 3 (5.00%) Unit Testing
Programming Languages
1 60 (100.00%) JavaScript
2 3 (5.00%) C#
2 3 (5.00%) PHP
2 3 (5.00%) TypeScript
3 2 (3.33%) ES6
4 1 (1.67%) Python
4 1 (1.67%) SQL
Quality Assurance & Compliance
1 2 (3.33%) QA
Vendors
1 6 (10.00%) Adobe
2 3 (5.00%) Google
3 1 (1.67%) Microsoft