Period
to 16 July 2019

The median contractor rate for a JavaScript Developer was £466 per day in advertised job vacancies in Berkshire during the 6 months to 16 July 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
16 Jul 2019
Same period 2018 Same period 2017
Rank 154 118 103
Rank change year-on-year -36 -15 +54
Contract jobs requiring a JavaScript Developer 19 47 51
As % of all contract IT jobs advertised in Berkshire 0.45% 1.18% 1.36%
As % of the Job Titles category 0.47% 1.27% 1.47%
Number of daily rates quoted 18 39 66
Berkshire median daily rate £466 £375 £425
Median daily rate % change year-on-year +24.33% -11.76% +6.25%
10th Percentile £370 £304 £358
90th Percentile £520 £478 £475
South East median daily rate £458 £414 £400
% change year-on-year +10.64% +3.38% +10.34%
Number of hourly rates quoted 0 0 0
Berkshire median hourly rate - - -
South East median hourly rate £47.50 £45.00 £42.75
% change year-on-year +5.56% +5.26% +0.59%

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 4,010 3,705 3,477
% of contract IT jobs with a recognized job title 94.20% 93.04% 92.84%
Number of daily rates quoted 1,998 1,930 1,662
Berkshire median daily rate £450 £415 £413
Median daily rate % change year-on-year +8.43% +0.61% +3.13%
10th Percentile £262 £250 £213
90th Percentile £600 £588 £575
South East median daily rate £440 £425 £408
% change year-on-year +3.53% +4.29% +1.88%
Number of hourly rates quoted 129 102 170
Berkshire median hourly rate £20.00 £18.56 £14.75
Median hourly rate % change year-on-year +7.79% +25.80% +3.51%
10th Percentile £12.00 £8.28 £9.25
90th Percentile £74.50 £48.55 £39.10
South East median hourly rate £22.50 £19.00 £17.50
% change year-on-year +18.42% +8.57% -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 16 July 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 16 July 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
Reading -6 17 £458 +7.65% 7
JavaScript Developer
South East

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

For the 6 months to 16 July 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 19 (100.00%) JavaScript
2 14 (73.68%) HTML
2 14 (73.68%) CSS
3 13 (68.42%) Git (software)
4 11 (57.89%) Agile Software Development
4 11 (57.89%) AngularJS
4 11 (57.89%) TypeScript
5 10 (52.63%) TDD
6 9 (47.37%) Front End Development
7 8 (42.11%) .NET
7 8 (42.11%) OOP
8 7 (36.84%) OO
8 7 (36.84%) C#
8 7 (36.84%) Web Development
8 7 (36.84%) Node.js
9 6 (31.58%) Jasmine
9 6 (31.58%) Bitbucket
9 6 (31.58%) Angular 2
9 6 (31.58%) JIRA
10 5 (26.32%) Atlassian
10 5 (26.32%) Test Automation
10 5 (26.32%) Atlassian Bamboo
10 5 (26.32%) HTML5
10 5 (26.32%) MVC
10 5 (26.32%) Web Design
10 5 (26.32%) Sass
10 5 (26.32%) ES6
11 4 (21.05%) RxJS
11 4 (21.05%) Protractor
11 4 (21.05%) React

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 1 (5.26%) Confluence
1 1 (5.26%) Elasticsearch
Cloud Services
1 2 (10.53%) Amazon AWS
1 2 (10.53%) AWS Lambda
1 2 (10.53%) Serverless
Database & Business Intelligence
1 1 (5.26%) MongoDB
1 1 (5.26%) NoSQL
1 1 (5.26%) Redis
Development Applications
1 13 (68.42%) Git (software)
2 6 (31.58%) Bitbucket
2 6 (31.58%) Jasmine
2 6 (31.58%) JIRA
3 5 (26.32%) Atlassian Bamboo
4 4 (21.05%) Karma Test Runner
4 4 (21.05%) Protractor
4 4 (21.05%) Visual Studio Team System
5 3 (15.79%) gulp
5 3 (15.79%) Jenkins
5 3 (15.79%) Subversion
5 3 (15.79%) webpack
6 2 (10.53%) Cucumber
7 1 (5.26%) ClearCase
7 1 (5.26%) git-flow
7 1 (5.26%) Mocha
7 1 (5.26%) Selenium
7 1 (5.26%) TeamCity
Libraries, Frameworks & Software Standards
1 14 (73.68%) CSS
1 14 (73.68%) HTML
2 11 (57.89%) AngularJS
3 8 (42.11%) .NET
4 7 (36.84%) Node.js
5 6 (31.58%) Angular 2
6 5 (26.32%) HTML5
6 5 (26.32%) Sass
7 4 (21.05%) ASP.NET
7 4 (21.05%) ASP.NET MVC
7 4 (21.05%) CSS3
7 4 (21.05%) NgRx
7 4 (21.05%) React
7 4 (21.05%) Redux
7 4 (21.05%) RxJS
8 3 (15.79%) Apache Flex
8 3 (15.79%) Material Design
9 2 (10.53%) Chai
9 2 (10.53%) RESTful
9 2 (10.53%) Vue.js
Miscellaneous
1 2 (10.53%) User Experience
2 1 (5.26%) Cloud Native
2 1 (5.26%) Digital Media
Processes & Methodologies
1 11 (57.89%) Agile Software Development
2 10 (52.63%) TDD
3 9 (47.37%) Front End Development
4 8 (42.11%) OOP
5 7 (36.84%) OO
5 7 (36.84%) Web Development
6 5 (26.32%) MVC
6 5 (26.32%) Test Automation
6 5 (26.32%) Web Design
7 4 (21.05%) BDD
7 4 (21.05%) Responsive Web Design
8 3 (15.79%) Continuous Delivery
8 3 (15.79%) DevOps
9 2 (10.53%) Digital Transformation Programme
9 2 (10.53%) E-Commerce
9 2 (10.53%) Microservices
9 2 (10.53%) Software Delivery
9 2 (10.53%) SOLID
9 2 (10.53%) Technical Architecture
10 1 (5.26%) Artificial Intelligence
Programming Languages
1 19 (100.00%) JavaScript
2 11 (57.89%) TypeScript
3 7 (36.84%) C#
4 5 (26.32%) ES6
5 3 (15.79%) Python
6 1 (5.26%) Java
6 1 (5.26%) SQL
Quality Assurance & Compliance
1 1 (5.26%) WCAG
System Software
1 2 (10.53%) Docker
Systems Management
1 2 (10.53%) Ansible
1 2 (10.53%) Kubernetes
2 1 (5.26%) Kibana
2 1 (5.26%) Terraform
Vendors
1 5 (26.32%) Atlassian
2 4 (21.05%) Cypress Semiconductor