Period
to 22 November 2017

The median contractor rate for a JavaScript Developer was £425 per day in advertised job vacancies in Buckinghamshire during the 6 months to 22 November 2017.

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 > Buckinghamshire
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 108 97 98
Rank change year-on-year -11 +1 +7
Contract jobs requiring a JavaScript Developer 28 14 33
As % of all contract IT jobs advertised in Buckinghamshire 1.19% 0.80% 1.26%
As % of the Job Titles category 1.25% 0.86% 1.32%
Number of daily rates quoted 9 11 28
Buckinghamshire median daily rate £425 £365 £358
Median daily rate % change year-on-year +16.44% +2.10% -12.80%
10th Percentile £343 £300 £210
90th Percentile £536 £390 £404
South East median daily rate £438 £400 £375
% change year-on-year +9.38% +6.67% +7.14%
Number of hourly rates quoted 0 1 0
Buckinghamshire median hourly rate - £36.50 -
South East median hourly rate £45.00 £36.50 -
% change year-on-year +23.29% - -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in Buckinghamshire. 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
Buckinghamshire
Contract vacancies in Buckinghamshire with a recognized job title 2244 1629 2507
% of contract IT jobs with a recognized job title 95.00% 93.14% 95.72%
Number of daily rates quoted 994 844 1259
Buckinghamshire median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.67% +7.14%
10th Percentile £228 £213 £225
90th Percentile £525 £538 £513
South East median daily rate £415 £400 £388
% change year-on-year +3.75% +3.23% +6.90%
Number of hourly rates quoted 132 78 107
Buckinghamshire median hourly rate £17.50 £14.00 £14.00
Median hourly rate % change year-on-year +25.00% - +12.00%
10th Percentile £10.00 £9.00 £9.14
90th Percentile £42.50 £39.13 £31.30
South East median hourly rate £18.00 £19.61 £18.50
% change year-on-year -8.21% +6.00% +15.63%

JavaScript Developer
Job Vacancy Trend in Buckinghamshire

Job postings that featured JavaScript Developer in the job title as a percentage of all IT jobs advertised in Buckinghamshire.

Job vacancy trend for JavaScript Developer in Buckinghamshire

JavaScript Developer
Contractor Daily Rate Trend in Buckinghamshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing JavaScript Developer in Buckinghamshire.

Contractor daily rate trend for JavaScript Developer in Buckinghamshire

JavaScript Developer
Contractor Daily Rate Histogram in Buckinghamshire

The daily rate distribution of IT jobs citing JavaScript Developer in Buckinghamshire over the 6 months to 22 November 2017.

Contractor daily rate histogram for JavaScript Developer in Buckinghamshire

JavaScript Developer
Contractor Hourly Rate Trend in Buckinghamshire

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing JavaScript Developer in Buckinghamshire.

Contractor hourly rate trend for JavaScript Developer in Buckinghamshire

JavaScript Developer
Contract Job Locations in Buckinghamshire

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 Buckinghamshire region over the 6 months to 22 November 2017. 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
Milton Keynes -21 19 £425 +16.44% 4
Aylesbury +3 1 - - 7
JavaScript Developer
South East

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

For the 6 months to 22 November 2017, 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 Buckinghamshire region featuring JavaScript Developer in the job title.

1 28 (100.00%) JavaScript
2 15 (53.57%) HTML
3 14 (50.00%) Banking
4 13 (46.43%) Java
4 13 (46.43%) CSS
5 12 (42.86%) AngularJS
6 10 (35.71%) Spring
7 9 (32.14%) JSON
7 9 (32.14%) RESTful
8 8 (28.57%) Scrum
9 7 (25.00%) Git (software)
9 7 (25.00%) Spring Security
9 7 (25.00%) Front End Development
9 7 (25.00%) Spring Boot
10 6 (21.43%) jQuery
11 5 (17.86%) React
11 5 (17.86%) CSS3
12 4 (14.29%) GitLab
12 4 (14.29%) Web Development
12 4 (14.29%) HTML5
12 4 (14.29%) E-Commerce
12 4 (14.29%) Web Services
13 3 (10.71%) Perl
13 3 (10.71%) SQL
13 3 (10.71%) OO
13 3 (10.71%) HTTP
13 3 (10.71%) Finance
13 3 (10.71%) Hibernate
13 3 (10.71%) NoSQL
13 3 (10.71%) Retail

JavaScript Developer Skill Set
Co-occurring IT Skills in Buckinghamshire 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 (3.57%) Drupal
Cloud Services
1 1 (3.57%) Cloud Computing
Communications & Networking
1 3 (10.71%) HTTP
Database & Business Intelligence
1 3 (10.71%) NoSQL
2 2 (7.14%) PostgreSQL
2 2 (7.14%) Redis
3 1 (3.57%) Amazon DynamoDB
3 1 (3.57%) Apache Cassandra
3 1 (3.57%) MongoDB
3 1 (3.57%) MySQL
3 1 (3.57%) SQL Server
Development Applications
1 7 (25.00%) Git (software)
2 4 (14.29%) GitLab
3 3 (10.71%) gulp
3 3 (10.71%) Jenkins
4 2 (7.14%) Eclipse
4 2 (7.14%) Selenium
4 2 (7.14%) Visual Studio
4 2 (7.14%) webpack
General
1 14 (50.00%) Banking
2 3 (10.71%) Finance
2 3 (10.71%) Retail
Libraries, Frameworks & Software Standards
1 15 (53.57%) HTML
2 13 (46.43%) CSS
3 12 (42.86%) AngularJS
4 10 (35.71%) Spring
5 9 (32.14%) JSON
5 9 (32.14%) RESTful
6 7 (25.00%) Spring Boot
6 7 (25.00%) Spring Security
7 6 (21.43%) jQuery
8 5 (17.86%) CSS3
8 5 (17.86%) React
9 4 (14.29%) HTML5
9 4 (14.29%) Web Services
10 3 (10.71%) Hibernate
10 3 (10.71%) Sass
11 2 (7.14%) JSTL
11 2 (7.14%) Node.js
11 2 (7.14%) Twitter Bootstrap
11 2 (7.14%) XML
11 2 (7.14%) YAML
Miscellaneous
1 2 (7.14%) Computer Science
1 2 (7.14%) User Experience
1 2 (7.14%) W3C
2 1 (3.57%) Greenfield Project
Operating Systems
1 2 (7.14%) Linux
1 2 (7.14%) Windows
Processes & Methodologies
1 8 (28.57%) Scrum
2 7 (25.00%) Front End Development
3 4 (14.29%) E-Commerce
3 4 (14.29%) Web Development
4 3 (10.71%) Microservices
4 3 (10.71%) OO
5 2 (7.14%) Agile Software Development
5 2 (7.14%) Cross-Browser Compatibility
5 2 (7.14%) MVC
5 2 (7.14%) Planning Poker
5 2 (7.14%) TDD
5 2 (7.14%) Unit Testing
6 1 (3.57%) API Development
6 1 (3.57%) CQRS
6 1 (3.57%) DevOps
6 1 (3.57%) Digital Transformation Programme
6 1 (3.57%) Kanban
6 1 (3.57%) Machine Learning
6 1 (3.57%) SOLID
Programming Languages
1 28 (100.00%) JavaScript
2 13 (46.43%) Java
3 3 (10.71%) Perl
3 3 (10.71%) SQL
4 2 (7.14%) C#
4 2 (7.14%) ES6
4 2 (7.14%) Go
4 2 (7.14%) GraphQL
4 2 (7.14%) Ruby
5 1 (3.57%) C
5 1 (3.57%) PHP
Qualifications
1 2 (7.14%) Computer Science Degree
1 2 (7.14%) Degree
Quality Assurance & Compliance
1 2 (7.14%) QA
1 2 (7.14%) WAI
System Software
1 2 (7.14%) Docker
Vendors
1 2 (7.14%) Avaya