The following table provides summary statistics for contract job vacancies advertised in the South East with a requirement for D3.js skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited D3.js over the 3 months to 26 March 2017 with a comparison to the 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.

3 months to
26 Mar 2017
Same period 2016 Same period 2015
Data-Driven Documents (D3)
England / South East
Rank 231 260 258
Rank change year-on-year +29 -2  
Contract jobs citing D3.js 9 5 2
As % of all contract IT jobs advertised in the South East 0.12% 0.054% 0.020%
As % of the Libraries, Frameworks & Software Standards category 0.44% 0.23% 0.086%
Number of daily rates quoted 0 5 0
Median daily rate - £450 -
UK excluding London median daily rate £388 £500 £335
% change year-on-year -22.50% +49.25%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £32.50 -
% change year-on-year +30.76% -  

D3.js is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the South East with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
South East
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 2048 2182 2317
As % of all contract IT job vacancies advertised in the South East 26.48% 23.66% 23.64%
Number of daily rates quoted 1237 1462 1344
Median daily rate £400 £355 £350
Median daily rate % change year-on-year +12.67% +1.42%  
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £513 £480 £450
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 47 50 52
Median hourly rate £43.00 £38.00 £35.00
Median hourly rate % change year-on-year +13.15% +8.57%  
90% offered a hourly rate of more than £15.00 £11.00 £15.75
10% offered a hourly rate of more than £67.89 £60.62 £42.40
UK excluding London median hourly rate £40.00 £38.00 £36.00
% change year-on-year +5.26% +5.55%  

D3.js
Job Vacancy Trend in the South East

The job posting trend of jobs advertised in the South East citing D3.js as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for D3.js in the South East

D3.js
Contractor Daily Rate Trend in the South East

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing D3.js in the South East.

Contractor daily rate trend for D3.js in the South East

D3.js
Contract Job Locations in the South East

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing D3.js within the South East region over the 3 months to 26 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
Buckinghamshire - 6 - - 1
Surrey - 2 - - 1
Middlesex - 1 - -
D3.js
England

D3.js
Top 30 Related IT Skills in the South East

For the 6 months to 26 March 2017, IT contractor jobs citing D3.js also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the South East region with a requirement for D3.js.

1 11 (78.57%) CSS
1 11 (78.57%) Agile Software Development
1 11 (78.57%) AngularJS
2 10 (71.43%) HTML
2 10 (71.43%) JavaScript
2 10 (71.43%) CSS3
3 9 (64.29%) HTML5
4 8 (57.14%) Java
5 7 (50.00%) Scrum
5 7 (50.00%) Node.js
6 6 (42.86%) Finance
6 6 (42.86%) React
7 4 (28.57%) Sass
7 4 (28.57%) B2B
7 4 (28.57%) SQL
8 3 (21.43%) Mathematics
8 3 (21.43%) QlikView
8 3 (21.43%) Degree
8 3 (21.43%) Data Analysis
8 3 (21.43%) Spring
8 3 (21.43%) Google
8 3 (21.43%) Statistics
8 3 (21.43%) NoSQL
8 3 (21.43%) R
8 3 (21.43%) Data Visualisation
8 3 (21.43%) Spreadsheet
8 3 (21.43%) Android
8 3 (21.43%) Kanban
8 3 (21.43%) Visualisation
8 3 (21.43%) Amazon AWS

D3.js
Top Related IT Skills in the South East 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 3 (21.43%) Apache Spark
Applications
1 3 (21.43%) Spreadsheet
Cloud Services
1 3 (21.43%) Amazon AWS
1 3 (21.43%) Google Cloud Platform
2 2 (14.29%) GitHub
Database & Business Intelligence
1 3 (21.43%) Big Data
1 3 (21.43%) NoSQL
1 3 (21.43%) QlikView
2 1 (7.14%) PostgreSQL
Development Applications
1 2 (14.29%) Bower
1 2 (14.29%) Git (software)
1 2 (14.29%) Grunt
1 2 (14.29%) gulp
1 2 (14.29%) Subversion
General
1 6 (42.86%) Finance
2 2 (14.29%) Banking
Job Titles
1 6 (42.86%) Developer
2 4 (28.57%) Angular Developer
2 4 (28.57%) Architect
2 4 (28.57%) Technical Architect
3 3 (21.43%) Analyst
3 3 (21.43%) Data Analyst
3 3 (21.43%) JavaScript Developer
4 2 (14.29%) Data Scientist
4 2 (14.29%) Front End Developer (Client-Side Developer)
4 2 (14.29%) Java Architect
4 2 (14.29%) Java Technical Architect
4 2 (14.29%) UI Developer
5 1 (7.14%) Big Data Analyst
Libraries, Frameworks & Software Standards
1 11 (78.57%) AngularJS
1 11 (78.57%) CSS
2 10 (71.43%) CSS3
2 10 (71.43%) HTML
3 9 (64.29%) HTML5
4 7 (50.00%) Node.js
5 6 (42.86%) React
6 4 (28.57%) Sass
7 3 (21.43%) Cocoa
7 3 (21.43%) Spring
7 3 (21.43%) Three.js
8 2 (14.29%) Backbone.js
8 2 (14.29%) JSF
8 2 (14.29%) LESS
8 2 (14.29%) PrimeFaces
8 2 (14.29%) RequireJS
8 2 (14.29%) RESTful
8 2 (14.29%) Twitter Bootstrap
8 2 (14.29%) Web Services
8 2 (14.29%) XML
Miscellaneous
1 3 (21.43%) Algorithms
1 3 (21.43%) Data Structures
1 3 (21.43%) User Experience
2 2 (14.29%) Enterprise Software
Operating Systems
1 3 (21.43%) Android
Processes & Methodologies
1 11 (78.57%) Agile Software Development
2 7 (50.00%) Scrum
3 4 (28.57%) B2B
4 3 (21.43%) Data Analysis
4 3 (21.43%) Data Visualisation
4 3 (21.43%) Kanban
4 3 (21.43%) Mathematics
4 3 (21.43%) Mobile Development
4 3 (21.43%) Statistical Modelling
4 3 (21.43%) Statistics
4 3 (21.43%) Visualisation
5 2 (14.29%) BDD
5 2 (14.29%) Continuous Integration
5 2 (14.29%) Front End Development
5 2 (14.29%) Machine Learning
5 2 (14.29%) OO
5 2 (14.29%) TDD
6 1 (7.14%) Business Intelligence
6 1 (7.14%) Competitor Analysis
6 1 (7.14%) MVC
Programming Languages
1 10 (71.43%) JavaScript
2 8 (57.14%) Java
3 4 (28.57%) SQL
4 3 (21.43%) Apple Swift
4 3 (21.43%) MATLAB
4 3 (21.43%) Objective-C
4 3 (21.43%) Python
4 3 (21.43%) R
5 1 (7.14%) C#
5 1 (7.14%) VB
Qualifications
1 3 (21.43%) Degree
Vendors
1 3 (21.43%) Google
2 1 (7.14%) Avaya
2 1 (7.14%) Genesys
2 1 (7.14%) Oracle