The median contractor rate for a JavaScript Developer was £425 per day in advertised job vacancies in Buckinghamshire during the 3 months to 23 June 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
23 Jun 2017
Same period 2016 Same period 2015
Rank 62 66 77
Rank change year-on-year +4 +11  
Contract jobs requiring a JavaScript Developer 26 8 16
As % of all contract IT jobs advertised in Buckinghamshire 2.55% 0.84% 1.30%
As % of the Job Titles category 2.63% 0.87% 1.35%
Number of daily rates quoted 7 7 14
Median daily rate £425 £313 £375
Median daily rate % change year-on-year +36.00% -16.66%  
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.50 - £22.00

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 987 919 1189
As % of all contract IT job vacancies advertised in Buckinghamshire 96.67% 96.23% 96.75%
Number of daily rates quoted 438 479 598
Median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.66%  
90% offered a daily rate of more than £225 £275 £250
10% offered a daily rate of more than £525 £500 £500
UK excluding London median daily rate £400 £400 £370
% change year-on-year - +8.10%  
Number of hourly rates quoted 34 29 41
Median hourly rate £18.00 £12.00 £20.19
Median hourly rate % change year-on-year +50.00% -40.54%  
90% offered a hourly rate of more than £13.50 £9.90 £11.00
10% offered a hourly rate of more than £55.00 £19.00 £42.50
UK excluding London median hourly rate £17.50 £17.45 £16.14
% change year-on-year +0.28% +8.11%  

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 23 June 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
Milton Keynes -14 7 - -
Aylesbury - 5 - - 1
JavaScript Developer
South East

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

For the 6 months to 23 June 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 53 (100.00%) JavaScript
2 40 (75.47%) HTML
3 39 (73.58%) CSS
4 35 (66.04%) CSS3
5 28 (52.83%) Agile Software Development
6 23 (43.40%) Scrum
6 23 (43.40%) jQuery
7 22 (41.51%) Banking
8 20 (37.74%) HTML5
8 20 (37.74%) Front End Development
9 19 (35.85%) Digital Transformation Programme
10 18 (33.96%) Node.js
10 18 (33.96%) Sass
10 18 (33.96%) Twitter Bootstrap
11 17 (32.08%) XHTML
12 16 (30.19%) Ajax
12 16 (30.19%) Web Development
13 15 (28.30%) AngularJS
14 14 (26.42%) Git (software)
15 13 (24.53%) Finance
15 13 (24.53%) Jenkins
15 13 (24.53%) LESS
16 12 (22.64%) REST
16 12 (22.64%) Enterprise Software
16 12 (22.64%) CMS
16 12 (22.64%) C#
16 12 (22.64%) EPiServer
16 12 (22.64%) JSON
17 11 (20.75%) Java
18 10 (18.87%) Redux

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 (22.64%) CMS
1 12 (22.64%) EPiServer
2 2 (3.77%) Apache Spark
3 1 (1.89%) Tomcat
Applications
1 2 (3.77%) Photoshop
Cloud Services
1 4 (7.55%) Amazon AWS
1 4 (7.55%) PaaS
2 3 (5.66%) Amazon S3
2 3 (5.66%) AWS CloudFormation
2 3 (5.66%) AWS Lambda
3 1 (1.89%) OpenShift
Database & Business Intelligence
1 6 (11.32%) MongoDB
2 5 (9.43%) Hadoop
3 4 (7.55%) Amazon DynamoDB
3 4 (7.55%) Big Data
3 4 (7.55%) PostgreSQL
4 2 (3.77%) Apache Hive
4 2 (3.77%) Sqoop
5 1 (1.89%) Impala
5 1 (1.89%) NoSQL
5 1 (1.89%) Spark SQL
5 1 (1.89%) SQL Server
Development Applications
1 14 (26.42%) Git (software)
2 13 (24.53%) Jenkins
3 4 (7.55%) Grunt
3 4 (7.55%) gulp
3 4 (7.55%) JUnit
3 4 (7.55%) webpack
4 3 (5.66%) git-flow
5 2 (3.77%) Eclipse
5 2 (3.77%) JIRA
6 1 (1.89%) Bitbucket
6 1 (1.89%) JIRA Agile
6 1 (1.89%) Maven
6 1 (1.89%) Mocha
General
1 22 (41.51%) Banking
2 13 (24.53%) Finance
Libraries, Frameworks & Software Standards
1 40 (75.47%) HTML
2 39 (73.58%) CSS
3 35 (66.04%) CSS3
4 23 (43.40%) jQuery
5 20 (37.74%) HTML5
6 18 (33.96%) Node.js
6 18 (33.96%) Sass
6 18 (33.96%) Twitter Bootstrap
7 17 (32.08%) XHTML
8 16 (30.19%) Ajax
9 15 (28.30%) AngularJS
10 13 (24.53%) LESS
11 12 (22.64%) JSON
11 12 (22.64%) REST
12 10 (18.87%) Redux
13 6 (11.32%) React
14 5 (9.43%) J2EE
14 5 (9.43%) Java EE
14 5 (9.43%) Swagger
15 3 (5.66%) Spring
Miscellaneous
1 12 (22.64%) Enterprise Software
2 1 (1.89%) Greenfield Project
Processes & Methodologies
1 28 (52.83%) Agile Software Development
2 23 (43.40%) Scrum
3 20 (37.74%) Front End Development
4 19 (35.85%) Digital Transformation Programme
5 16 (30.19%) Web Development
6 5 (9.43%) API Development
6 5 (9.43%) Microservices
7 3 (5.66%) MapReduce
8 2 (3.77%) Continuous Integration
8 2 (3.77%) TDD
8 2 (3.77%) Unit Testing
8 2 (3.77%) Web Application Development
9 1 (1.89%) Analytics
9 1 (1.89%) BDD
9 1 (1.89%) Data Architecture
9 1 (1.89%) Data Modelling
9 1 (1.89%) ETL
9 1 (1.89%) Machine Learning
9 1 (1.89%) MVC
9 1 (1.89%) Software Delivery
Programming Languages
1 53 (100.00%) JavaScript
2 12 (22.64%) C#
3 11 (20.75%) Java
4 4 (7.55%) Shell Script
4 4 (7.55%) SQL
5 2 (3.77%) Scala
Systems Management
1 2 (3.77%) Oozie
Vendors
1 1 (1.89%) Cloudera
1 1 (1.89%) IBM