The median contractor rate for a JavaScript Developer was £400 per day in advertised job vacancies in Buckinghamshire during the 3 months to 28 March 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
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 52 60 82
Rank change year-on-year +8 +22  
Contract jobs requiring a JavaScript Developer 30 18 9
As % of all contract IT jobs advertised in Buckinghamshire 2.91% 1.73% 0.75%
As % of the Job Titles category 3.10% 1.81% 0.78%
Number of daily rates quoted 2 16 7
Median daily rate £400 £340 £368
Median daily rate % change year-on-year +17.64% -7.48%  
UK excluding London median daily rate £375 £350 £375
% change year-on-year +7.14% -6.66%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £15.00 -
UK excluding London median hourly rate £42.50 £22.54 -
% change year-on-year +88.55% -  

The next table is for comparison with the above and includes summary statistics for all job roles in contract job vacancies advertised in Buckinghamshire. Most job vacancies include a discernible job title. As such, the figures in the first row provide an indication of the number of contract jobs in our overall sample.

Contract IT Job Roles
Buckinghamshire
Contract job vacancies with a job title containing a recognized job role 967 996 1155
As % of all contract IT job vacancies advertised in Buckinghamshire 93.79% 95.68% 95.69%
Number of daily rates quoted 490 522 524
Median daily rate £400 £400 £363
Median daily rate % change year-on-year - +10.34%  
90% offered a daily rate of more than £270 £288 £250
10% offered a daily rate of more than £525 £500 £500
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 34 32 38
Median hourly rate £16.00 £22.50 £17.00
Median hourly rate % change year-on-year -28.88% +32.35%  
90% offered a hourly rate of more than £10.00 £12.00 £11.47
10% offered a hourly rate of more than £20.00 £38.50 £42.50
UK excluding London median hourly rate £17.50 £19.63 £17.00
% change year-on-year -10.82% +15.44%  

JavaScript Developer
Job Vacancy Trend in Buckinghamshire

The job posting trend of jobs advertised in Buckinghamshire that featured JavaScript Developer in the job title.

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 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 3 months to 28 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Aylesbury - 14 £400 -
Milton Keynes -15 11 £400 +17.64% 4
JavaScript Developer
South East

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

For the 6 months to 28 March 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 40 (100.00%) JavaScript
2 35 (87.50%) CSS
3 33 (82.50%) HTML
4 32 (80.00%) CSS3
5 19 (47.50%) Agile Software Development
6 18 (45.00%) jQuery
6 18 (45.00%) HTML5
7 17 (42.50%) Front End Development
8 16 (40.00%) Scrum
9 15 (37.50%) Web Development
9 15 (37.50%) Twitter Bootstrap
10 14 (35.00%) Finance
10 14 (35.00%) XHTML
10 14 (35.00%) C#
11 13 (32.50%) Banking
12 12 (30.00%) EPiServer
12 12 (30.00%) Ajax
12 12 (30.00%) CMS
12 12 (30.00%) Sass
13 11 (27.50%) LESS
13 11 (27.50%) AngularJS
13 11 (27.50%) Java
14 10 (25.00%) Enterprise Software
15 8 (20.00%) React
15 8 (20.00%) Node.js
15 8 (20.00%) Redux
15 8 (20.00%) Git (software)
16 5 (12.50%) Java EE
16 5 (12.50%) Jenkins
17 4 (10.00%) REST

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 12 (30.00%) CMS
1 12 (30.00%) EPiServer
2 2 (5.00%) Apache Spark
3 1 (2.50%) Tomcat
Applications
1 1 (2.50%) Photoshop
Cloud Services
1 1 (2.50%) OpenShift
Database & Business Intelligence
1 4 (10.00%) Hadoop
2 3 (7.50%) Big Data
2 3 (7.50%) PostgreSQL
3 2 (5.00%) Sqoop
4 1 (2.50%) Apache Hive
4 1 (2.50%) Impala
4 1 (2.50%) MongoDB
4 1 (2.50%) Spark SQL
4 1 (2.50%) SQL Server
Development Applications
1 8 (20.00%) Git (software)
2 5 (12.50%) Jenkins
3 2 (5.00%) git-flow
3 2 (5.00%) JUnit
4 1 (2.50%) Grunt
4 1 (2.50%) gulp
4 1 (2.50%) JIRA
General
1 14 (35.00%) Finance
2 13 (32.50%) Banking
Libraries, Frameworks & Software Standards
1 35 (87.50%) CSS
2 33 (82.50%) HTML
3 32 (80.00%) CSS3
4 18 (45.00%) HTML5
4 18 (45.00%) jQuery
5 15 (37.50%) Twitter Bootstrap
6 14 (35.00%) XHTML
7 12 (30.00%) Ajax
7 12 (30.00%) Sass
8 11 (27.50%) AngularJS
8 11 (27.50%) LESS
9 8 (20.00%) Node.js
9 8 (20.00%) React
9 8 (20.00%) Redux
10 5 (12.50%) Java EE
11 4 (10.00%) REST
12 3 (7.50%) .NET
12 3 (7.50%) SOAP
12 3 (7.50%) WSDL
13 2 (5.00%) J2EE
Miscellaneous
1 10 (25.00%) Enterprise Software
2 1 (2.50%) Mobile App
2 1 (2.50%) Social Media
2 1 (2.50%) User Experience
Processes & Methodologies
1 19 (47.50%) Agile Software Development
2 17 (42.50%) Front End Development
3 16 (40.00%) Scrum
4 15 (37.50%) Web Development
5 3 (7.50%) MVC
5 3 (7.50%) Software Delivery
6 2 (5.00%) Continuous Integration
6 2 (5.00%) MapReduce
6 2 (5.00%) Unit Testing
7 1 (2.50%) Analytics
7 1 (2.50%) BDD
7 1 (2.50%) Cross-Browser Compatibility
7 1 (2.50%) Data Architecture
7 1 (2.50%) Data Modelling
7 1 (2.50%) ETL
7 1 (2.50%) Machine Learning
7 1 (2.50%) Mobile Application Development
7 1 (2.50%) SOLID
7 1 (2.50%) TDD
7 1 (2.50%) Workflow
Programming Languages
1 40 (100.00%) JavaScript
2 14 (35.00%) C#
3 11 (27.50%) Java
4 4 (10.00%) Shell Script
4 4 (10.00%) SQL
5 2 (5.00%) Scala
6 1 (2.50%) PHP
Systems Management
1 2 (5.00%) Oozie
Vendors
1 1 (2.50%) Cloudera
1 1 (2.50%) Twitter