The table below looks at the statistics for D3.js skills in IT contracts advertised across the UK. Included is a guide to the contractor rates offered in IT contracts that have cited D3.js over the 3 months to 27 September 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
27 Sep 2016
Same period 2015 Same period 2014
Data-Driven Documents (D3)
Rank 500 592 550
Rank change year-on-year
+92 -42
Contract jobs citing D3.js 157 69 92
As % of all contract IT jobs located in the UK 0.29% 0.12% 0.16%
As % of the Libraries, Frameworks & Software Standards category 0.95% 0.43% 0.59%
Number of daily rates quoted 129 53 69
Median daily rate £438 £475 £450
Median daily rate % change year-on-year
-7.89% +5.55%
90% offered a daily rate of more than £300 £330 £370
10% offered a daily rate of more than £575 £575 £600
UK excluding London median daily rate £425 £375 £283
% change year-on-year
+13.33% +32.74%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

The following table is for comparison with the above and provides statistics for the entire Libraries, Frameworks & Software Standards category in contract jobs advertised across the UK.

Libraries, Frameworks & Software Standards Category
UK
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
16462 16144 15521
As % of all contract IT jobs located in the UK 30.76% 28.22% 27.13%
Number of daily rates quoted 11405 11120 10101
Median daily rate £415 £400 £375
Median daily rate % change year-on-year
+3.75% +6.66%
90% offered a daily rate of more than £300 £288 £275
10% offered a daily rate of more than £550 £550 £530
UK excluding London median daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 193 302 174
Median hourly rate £41.00 £37.45 £35.00
Median hourly rate % change year-on-year
+9.47% +7.00%
90% offered a hourly rate of more than £19.44 £17.20 £19.00
10% offered a hourly rate of more than £52.00 £45.00 £71.00
UK excluding London median hourly rate £40.00 £37.50 £35.00
% change year-on-year
+6.66% +7.14%

D3.js
Jobs Demand Trend

The demand trend of contract jobs citing D3.js as a proportion of all IT contracts with a match in the Libraries, Frameworks & Software Standards category.

D3.js Jobs Demand Trend in the UK

D3.js
Daily Rate Trend

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

D3.js Daily Rate Trend in the UK

D3.js
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing D3.js within the UK over the 3 months to 27 September 2016.

D3.js Daily Rate Histogram in the UK

D3.js
Hourly Rate Trend

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing D3.js within the UK.

D3.js Hourly Rate Trend in the UK

D3.js
Top 30 Contract Locations

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 UK over the 3 months to 27 September 2016. 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
(Click see detailed
statistics and trends)
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
England +108 147 £438 -7.89% 43
London +64 112 £450 -14.28% 26
South West +15 11 £270 -40.00% 3
City of London +10 10 £413 -21.42% 6
Bristol - 10 £265 -
Newcastle upon Tyne - 9 £460 - 1
Tyne and Wear - 9 £460 - 1
North East - 9 £460 - 1
South East +20 6 £625 +115.51% 2
West Yorkshire +7 6 £460 +37.82% 1
Yorkshire +3 6 £460 +31.42% 6
Scotland +11 5 £400 - 1
Surrey +10 5 £625 - 1
Leeds +9 5 £460 +37.82% 1
Glasgow - 5 £400 - 1
Feltham - 4 £400 -
South Wales - 3 £450 - 1
Guildford - 3 - - 1
Wales - 3 £450 - 1
Newport - 3 £450 -
West Midlands - 3 £238 - 1
North West +9 2 £440 -11.11% 4
Warwickshire - 2 £238 - 1
Warwick - 2 £238 - 1
Blackpool - 2 £440 -
Lancashire - 2 £440 - 1
Buckinghamshire - 1 - -
Birmingham - 1 £380 -
Camberley - 1 £625 -
Milton Keynes - 1 - -

D3.js
Top 30 Related IT Skills

For the 6 months to 27 September 2016, 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 with a requirement for D3.js.

1 218 (80.44%) JavaScript
2 177 (65.31%) HTML
3 174 (64.21%) CSS
4 162 (59.78%) AngularJS
5 110 (40.59%) HTML5
6 104 (38.38%) Agile Software Development
7 94 (34.69%) Visualisation
7 94 (34.69%) Front End Development
8 90 (33.21%) React
9 80 (29.52%) CSS3
10 71 (26.20%) Node.js
11 70 (25.83%) Finance
12 65 (23.99%) Sass
13 63 (23.25%) jQuery
14 61 (22.51%) Java
15 54 (19.93%) Web Development
16 52 (19.19%) Analytics
17 45 (16.61%) Data Visualisation
18 44 (16.24%) ES6
18 44 (16.24%) C#
19 41 (15.13%) Python
20 40 (14.76%) Jasmine
21 39 (14.39%) Grunt
21 39 (14.39%) SQL
21 39 (14.39%) TDD
21 39 (14.39%) Banking
22 37 (13.65%) MVC
23 35 (12.92%) Hadoop
23 35 (12.92%) LESS
23 35 (12.92%) Big Data

D3.js
Top Related IT Skills 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 25 (9.23%) Apache Spark
2 22 (8.12%) Elasticsearch
3 13 (4.80%) Tomcat
4 12 (4.43%) nginx
5 10 (3.69%) Apache
6 7 (2.58%) Confluence
7 6 (2.21%) Apache Pig
8 5 (1.85%) SAS
9 4 (1.48%) Drupal
10 3 (1.11%) SharePoint
11 2 (0.74%) Apache Solr
11 2 (0.74%) CMS
12 1 (0.37%) Jetty
Applications
1 6 (2.21%) MS Excel
2 5 (1.85%) Photoshop
3 3 (1.11%) Adobe Creative Suite
3 3 (1.11%) OmniGraffle
3 3 (1.11%) Stata
4 2 (0.74%) InVision
4 2 (0.74%) Spreadsheet
5 1 (0.37%) LaTeX
5 1 (0.37%) MS Office
5 1 (0.37%) MS Project
5 1 (0.37%) MS Visio
5 1 (0.37%) SPSS
Cloud Services
1 6 (2.21%) Microsoft Azure
2 5 (1.85%) SaaS
3 4 (1.48%) Amazon AWS
4 3 (1.11%) GitHub
4 3 (1.11%) Google Analytics
5 2 (0.74%) Adobe Creative Cloud
5 2 (0.74%) Heroku
6 1 (0.37%) Amazon EC2
6 1 (0.37%) Amazon S3
6 1 (0.37%) Azure Machine Learning
6 1 (0.37%) Data Lake Analytics
6 1 (0.37%) IaaS
6 1 (0.37%) PaaS
Communications & Networking
1 12 (4.43%) Internet
2 10 (3.69%) HTTP
3 5 (1.85%) Network Security
4 2 (0.74%) HTTPS
5 1 (0.37%) Intranet
5 1 (0.37%) SNA
5 1 (0.37%) SSH
Database & Business Intelligence
1 35 (12.92%) Big Data
1 35 (12.92%) Hadoop
2 25 (9.23%) MongoDB
3 19 (7.01%) QlikView
4 17 (6.27%) SQL Server
5 12 (4.43%) Spotfire
6 10 (3.69%) Power BI
7 6 (2.21%) Apache Hive
7 6 (2.21%) BusinessObjects
7 6 (2.21%) SQL Server Integration Services
7 6 (2.21%) SQL Server Reporting Services
8 5 (1.85%) Data Mining
8 5 (1.85%) Relational Database
9 4 (1.48%) Apache Zeppelin
9 4 (1.48%) Data Warehouse
9 4 (1.48%) MySQL
9 4 (1.48%) NoSQL
9 4 (1.48%) OLTP
9 4 (1.48%) PostgreSQL
9 4 (1.48%) SAP HANA
Development Applications
1 40 (14.76%) Jasmine
2 39 (14.39%) Grunt
3 29 (10.70%) gulp
4 22 (8.12%) Git (software)
4 22 (8.12%) Karma Test Runner
5 21 (7.75%) Protractor
6 20 (7.38%) webpack
7 15 (5.54%) Selenium
7 15 (5.54%) WebDriver
8 13 (4.80%) Babel
8 13 (4.80%) JIRA
8 13 (4.80%) QUnit
9 12 (4.43%) Eclipse
9 12 (4.43%) IntelliJ
9 12 (4.43%) NetBeans
9 12 (4.43%) Subversion
10 10 (3.69%) Bundler
11 6 (2.21%) Mocha
12 5 (1.85%) Team Foundation Server
13 4 (1.48%) Mercurial
General
1 70 (25.83%) Finance
2 39 (14.39%) Banking
3 20 (7.38%) Investment Banking
4 8 (2.95%) Marketing
5 6 (2.21%) Publishing
6 3 (1.11%) Front Office
7 2 (0.74%) Automotive
7 2 (0.74%) Electronics
7 2 (0.74%) Legal
7 2 (0.74%) Retail
7 2 (0.74%) Telecoms
8 1 (0.37%) Financial Institution
8 1 (0.37%) Games
8 1 (0.37%) Law
Job Titles
1 217 (80.07%) Developer
2 128 (47.23%) JavaScript Developer
3 71 (26.20%) Front End Developer (Client-Side Developer)
4 34 (12.55%) UI Developer
5 30 (11.07%) Angular Developer
6 28 (10.33%) HTML Developer
7 18 (6.64%) Senior Developer
8 17 (6.27%) Data Scientist
9 16 (5.90%) HTML CSS Developer
10 14 (5.17%) Applications Developer
10 14 (5.17%) Web Developer
11 12 (4.43%) Senior JavaScript Developer
12 11 (4.06%) Full Stack Developer
13 10 (3.69%) C# Developer
13 10 (3.69%) Machine Learning Scientist
14 9 (3.32%) Java Developer
14 9 (3.32%) Node.js Developer
14 9 (3.32%) Software Engineer
14 9 (3.32%) SQL Developer
14 9 (3.32%) Web Applications Developer
Libraries, Frameworks & Software Standards
1 177 (65.31%) HTML
2 174 (64.21%) CSS
3 162 (59.78%) AngularJS
4 110 (40.59%) HTML5
5 90 (33.21%) React
6 80 (29.52%) CSS3
7 71 (26.20%) Node.js
8 65 (23.99%) Sass
9 63 (23.25%) jQuery
10 35 (12.92%) LESS
11 32 (11.81%) JSON
12 27 (9.96%) .NET
13 24 (8.86%) KnockoutJS
14 23 (8.49%) Highcharts JS
15 21 (7.75%) Backbone.js
15 21 (7.75%) Twitter Bootstrap
16 20 (7.38%) Web Services
17 19 (7.01%) REST
18 18 (6.64%) ASP.NET
19 17 (6.27%) DOM
Miscellaneous
1 94 (34.69%) Visualisation
2 31 (11.44%) User Experience
3 27 (9.96%) Computer Science
4 22 (8.12%) Analytical Skills
5 19 (7.01%) Mathematics
6 16 (5.90%) Applied Mathematics
6 16 (5.90%) Statistics
7 11 (4.06%) Mobile App
8 10 (3.69%) Artificial Intelligence
8 10 (3.69%) Fintech
9 7 (2.58%) Algorithms
10 6 (2.21%) Hedge funds
11 5 (1.85%) Derivative
12 2 (0.74%) 3D Printing
12 2 (0.74%) Arduino
12 2 (0.74%) Data Extraction
12 2 (0.74%) Digital Media
12 2 (0.74%) Enterprise Software
12 2 (0.74%) Kinect
12 2 (0.74%) RIA
Operating Systems
1 12 (4.43%) Linux
2 6 (2.21%) Apple iOS
3 5 (1.85%) Android
3 5 (1.85%) Windows
4 2 (0.74%) Unix
5 1 (0.37%) Mac OS X
5 1 (0.37%) Red Hat Enterprise Linux
Processes & Methodologies
1 104 (38.38%) Agile Software Development
2 94 (34.69%) Front End Development
3 54 (19.93%) Web Development
4 52 (19.19%) Analytics
5 45 (16.61%) Data Visualisation
6 39 (14.39%) TDD
7 37 (13.65%) MVC
8 34 (12.55%) OO
9 33 (12.18%) Software Engineering
10 27 (9.96%) Scrum
11 24 (8.86%) Machine Learning
12 22 (8.12%) Business Intelligence
13 20 (7.38%) BDD
13 20 (7.38%) Open Source
13 20 (7.38%) SDLC
14 19 (7.01%) Continuous Integration
14 19 (7.01%) Prototyping
14 19 (7.01%) Unit Testing
15 17 (6.27%) Data Modelling
16 15 (5.54%) Data Management
Programming Languages
1 218 (80.44%) JavaScript
2 61 (22.51%) Java
3 44 (16.24%) C#
3 44 (16.24%) ES6
4 41 (15.13%) Python
5 39 (14.39%) SQL
6 28 (10.33%) Scala
7 24 (8.86%) R
8 10 (3.69%) TypeScript
9 8 (2.95%) PHP
10 6 (2.21%) C++
10 6 (2.21%) T-SQL
11 5 (1.85%) Shell Script
12 4 (1.48%) ECMAScript
12 4 (1.48%) Ruby
13 3 (1.11%) MATLAB
14 2 (0.74%) Objective-C
14 2 (0.74%) VB
14 2 (0.74%) XQuery
15 1 (0.37%) VBA
Qualifications
1 20 (7.38%) Degree
2 14 (5.17%) PhD
3 10 (3.69%) Security Cleared
4 6 (2.21%) SC Cleared
5 4 (1.48%) DV Cleared
6 3 (1.11%) BPSS Clearance
Quality Assurance & Compliance
1 12 (4.43%) QA
2 5 (1.85%) Disclosure Scotland
3 2 (0.74%) Data Quality
3 2 (0.74%) GxP
System Software
1 6 (2.21%) HDFS
2 4 (1.48%) Docker
3 2 (0.74%) Apache Flume
4 1 (0.37%) GlusterFS
4 1 (0.37%) Varnish
4 1 (0.37%) Virtual Machines
Systems Management
1 4 (1.48%) Kibana
2 3 (1.11%) Kubernetes
3 1 (0.37%) Opscode Chef
3 1 (0.37%) Piwik
Vendors
1 27 (9.96%) Tableau
2 20 (7.38%) Microsoft
3 16 (5.90%) Google
4 7 (2.58%) Adobe
5 6 (2.21%) Oracle
5 6 (2.21%) SAP
6 5 (1.85%) Teradata
7 2 (0.74%) Avaya
7 2 (0.74%) Cognos
7 2 (0.74%) Genesys
8 1 (0.37%) Apple
8 1 (0.37%) IBM
8 1 (0.37%) Logi Analytics
8 1 (0.37%) MicroStrategy
8 1 (0.37%) Netezza
8 1 (0.37%) Perforce
8 1 (0.37%) Red Hat
8 1 (0.37%) Sybase
8 1 (0.37%) Telerik
8 1 (0.37%) TIBCO
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