The table below looks at the statistics for D3.js skills in IT contracts advertised across the UK. Included is a guide to the average contractor rates offered in IT contracts that have cited D3.js over the 3 months to 11 February 2016 with a comparison to the same period in 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.

Location
3 months to
11 Feb 2016
Same period 2015 Same period 2014
Data-Driven Documents (D3)
Rank 523 523 567
Rank change year-on-year
0 +44
Contract jobs citing D3.js 103 89 21
As % of all contract IT jobs located in the UK 0.20% 0.17% 0.042%
As % of the Libraries, Frameworks & Software Standards category 0.71% 0.64% 0.16%
Number of daily rates quoted 54 59 13
Average daily rate £475 £475 £575
Average daily rate % change year-on-year
- -17.39%
90% offered a daily rate of more than £332 £325 £326
10% offered a daily rate of more than £575 £625 £600
UK excluding London average daily rate £500 £325 £350
% change year-on-year
+53.84% -7.14%
Number of hourly rates quoted 2 0 0
Average hourly rate £32.50 - -
UK excluding London average hourly rate £32.50 - -

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
14606 13867 13355
As % of all contract IT jobs located in the UK 28.39% 26.78% 26.86%
Number of daily rates quoted 10113 9219 8392
Average daily rate £400 £398 £375
Average daily rate % change year-on-year
+0.62% +6.00%
90% offered a daily rate of more than £300 £275 £255
10% offered a daily rate of more than £550 £550 £525
UK excluding London average daily rate £363 £350 £325
% change year-on-year
+3.57% +7.69%
Number of hourly rates quoted 261 196 274
Average hourly rate £40.00 £33.50 £33.84
Average hourly rate % change year-on-year
+19.40% -1.00%
90% offered a hourly rate of more than £21.50 £20.00 £15.00
10% offered a hourly rate of more than £60.62 £46.50 £50.50
UK excluding London average hourly rate £39.25 £34.00 £33.00
% change year-on-year
+15.44% +3.03%

D3.js
Jobs Demand Trend

This chart provides the 3-month moving total of IT contractor jobs citing D3.js within the UK as a proportion of the total demand within 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 11 February 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 average contractor rates quoted in IT jobs citing D3.js within the UK over the 3 months to 11 February 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +19 103 £475 -1.55% 44
London -18 43 £450 -8.16% 30
North West - 16 £488 -
Cheshire - 14 £488 -
Warrington - 13 £488 -
South East +21 12 £450 - 5
Yorkshire -13 12 - - 2
North Yorkshire +14 10 - - 2
York +11 10 - - 2
Tyne and Wear - 9 £525 - 1
North East - 9 £525 - 1
Newcastle upon Tyne - 9 £525 - 1
City of London +21 5 £401 -27.18% 4
Buckinghamshire +14 5 - -
South West - 5 £575 - 1
West Midlands - 4 £270 - 5
Bristol - 4 £575 -
Milton Keynes +3 3 - -
Berkshire - 3 £475 - 1
Birmingham - 3 £275 - 1
Hampshire +6 2 £400 - 1
East of England +3 2 £360 -
Manchester - 2 £555 -
East Sussex - 2 - -
Portsmouth - 2 £400 -
Cambridgeshire +12 1 - -
Canary Wharf +1 1 £650 -10.34%
West Yorkshire -11 1 - -
Leeds -12 1 - -
Ipswich - 1 £360 -

D3.js
Top 30 Related IT Skills

For the 6 months to 11 February 2016, IT contractor jobs within the UK citing D3.js also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited D3.js.

1 176 (80.73%) JavaScript
2 162 (74.31%) HTML
3 137 (62.84%) CSS
4 123 (56.42%) Agile Software Development
5 107 (49.08%) AngularJS
6 106 (48.62%) HTML5
7 75 (34.40%) Java
8 69 (31.65%) jQuery
8 69 (31.65%) Visualisation
9 59 (27.06%) Git (software)
9 59 (27.06%) CSS3
10 56 (25.69%) MVC
11 50 (22.94%) SQL
12 48 (22.02%) Finance
13 45 (20.64%) Data Visualisation
14 43 (19.72%) User Experience
14 43 (19.72%) Front End Development
15 41 (18.81%) Node.js
16 40 (18.35%) Continuous Integration
17 38 (17.43%) Web Development
18 37 (16.97%) Analytics
19 36 (16.51%) Grunt
19 36 (16.51%) Business Intelligence
20 33 (15.14%) OO
20 33 (15.14%) React
21 32 (14.68%) Backbone.js
21 32 (14.68%) Python
22 31 (14.22%) RESTful
23 30 (13.76%) Ajax
24 29 (13.30%) TDD

D3.js
Top Related IT Skills by Category

For the 6 months to 11 February 2016, IT contractor jobs within the UK citing D3.js also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited D3.js. Up to 20 skills are shown per category.

Application Platforms
1 41 (18.81%) Node.js
2 21 (9.63%) Elasticsearch
3 14 (6.42%) Apache Spark
4 10 (4.59%) ArcGIS
5 7 (3.21%) Umbraco
6 6 (2.75%) CMS
7 4 (1.83%) SAS
7 4 (1.83%) WordPress
8 3 (1.38%) nginx
8 3 (1.38%) SharePoint
9 2 (0.92%) Adobe Experience Manager
9 2 (0.92%) concrete5
9 2 (0.92%) Confluence
9 2 (0.92%) Drupal
9 2 (0.92%) ExpressionEngine
9 2 (0.92%) Joomla!
9 2 (0.92%) Sitecore CMS
10 1 (0.46%) JBoss
10 1 (0.46%) Jetty
10 1 (0.46%) Tomcat
Applications
1 4 (1.83%) Photoshop
2 3 (1.38%) Adobe Creative Suite
2 3 (1.38%) Adobe Illustrator
2 3 (1.38%) OmniGraffle
3 2 (0.92%) 3ds Max
3 2 (0.92%) Acrobat
3 2 (0.92%) GIMP
3 2 (0.92%) MS PowerPoint
4 1 (0.46%) MS Excel
4 1 (0.46%) MS Office
4 1 (0.46%) MS Project
4 1 (0.46%) MS Visio
Business Applications
1 3 (1.38%) BigMachines
1 3 (1.38%) Eloqua
2 2 (0.92%) Magento
3 1 (0.46%) Dynamics CRM
3 1 (0.46%) SAP Oil and Gas
Cloud Services
1 16 (7.34%) Amazon AWS
2 6 (2.75%) GitHub
3 5 (2.29%) Amazon S3
4 4 (1.83%) Adobe Analytics
4 4 (1.83%) Cloud Computing
5 3 (1.38%) CloudFront
5 3 (1.38%) SaaS
6 2 (0.92%) Heroku
6 2 (0.92%) MailChimp
7 1 (0.46%) AWS CloudFormation
7 1 (0.46%) IaaS
7 1 (0.46%) Microsoft Azure
7 1 (0.46%) PaaS
Communications & Networking
1 5 (2.29%) HTTP
2 4 (1.83%) Internet
2 4 (1.83%) SNA
3 3 (1.38%) Network Security
4 2 (0.92%) SSL
4 2 (0.92%) TCP/IP
5 1 (0.46%) SSH
Database & Business Intelligence
1 28 (12.84%) MongoDB
2 27 (12.39%) Big Data
3 23 (10.55%) MySQL
4 22 (10.09%) SQL Server
5 17 (7.80%) Hadoop
6 14 (6.42%) Apache Hive
7 13 (5.96%) NoSQL
8 12 (5.50%) GIS
9 11 (5.05%) HBase
9 11 (5.05%) PostgreSQL
10 10 (4.59%) Power BI
10 10 (4.59%) Spotfire
11 9 (4.13%) Amazon Redshift
12 7 (3.21%) Data Warehouse
13 6 (2.75%) QlikView
14 5 (2.29%) CouchDB
14 5 (2.29%) Impala
15 4 (1.83%) Relational Database
15 4 (1.83%) Spark SQL
15 4 (1.83%) Sqoop
Development Applications
1 59 (27.06%) Git (software)
2 36 (16.51%) Grunt
3 23 (10.55%) gulp
4 21 (9.63%) Jenkins
5 18 (8.26%) JIRA
6 15 (6.88%) Subversion
7 13 (5.96%) Eclipse
7 13 (5.96%) Maven
8 10 (4.59%) Hudson
9 9 (4.13%) JUnit
10 8 (3.67%) Jasmine
10 8 (3.67%) JProfiler
10 8 (3.67%) Selenium
10 8 (3.67%) TeamCity
10 8 (3.67%) webpack
11 7 (3.21%) Bower
11 7 (3.21%) Mocha
12 6 (2.75%) Sonatype Nexus
12 6 (2.75%) Visual Studio
13 5 (2.29%) WebDriver
General
1 48 (22.02%) Finance
2 16 (7.34%) Banking
3 9 (4.13%) Retail
4 5 (2.29%) Investment Banking
4 5 (2.29%) Pharmaceutical
5 4 (1.83%) Marketing
6 2 (0.92%) Law
6 2 (0.92%) Spanish Language
7 1 (0.46%) Electronics
7 1 (0.46%) Manufacturing
7 1 (0.46%) Publishing
7 1 (0.46%) Telecoms
Job Titles
1 168 (77.06%) Developer
2 77 (35.32%) JavaScript Developer
3 45 (20.64%) Front End Developer (Client-Side Developer)
4 40 (18.35%) HTML Developer
5 31 (14.22%) Senior Developer
6 26 (11.93%) Java Developer
7 24 (11.01%) Angular Developer
7 24 (11.01%) UI Developer
8 20 (9.17%) HTML CSS Developer
9 16 (7.34%) Senior JavaScript Developer
10 15 (6.88%) Consultant
11 13 (5.96%) .NET Developer
12 12 (5.50%) Architect
12 12 (5.50%) ASP.NET Developer
13 11 (5.05%) Programmer
14 10 (4.59%) Agile Developer
14 10 (4.59%) C# Developer
14 10 (4.59%) Designer
14 10 (4.59%) SQL Developer
15 9 (4.13%) Hadoop Developer
Libraries, Frameworks & Software Standards
1 162 (74.31%) HTML
2 137 (62.84%) CSS
3 107 (49.08%) AngularJS
4 106 (48.62%) HTML5
5 69 (31.65%) jQuery
6 59 (27.06%) CSS3
7 33 (15.14%) React
8 32 (14.68%) Backbone.js
9 31 (14.22%) RESTful
10 30 (13.76%) Ajax
11 24 (11.01%) Sass
12 23 (10.55%) SOAP
13 22 (10.09%) .NET
13 22 (10.09%) Ember.js
13 22 (10.09%) KnockoutJS
13 22 (10.09%) XML
14 20 (9.17%) ASP.NET
14 20 (9.17%) JSON
14 20 (9.17%) Underscore.js
15 19 (8.72%) Web Services
Miscellaneous
1 69 (31.65%) Visualisation
2 43 (19.72%) User Experience
3 17 (7.80%) Analytical Skills
4 15 (6.88%) Algorithms
4 15 (6.88%) Mobile App
5 11 (5.05%) Enterprise Software
6 9 (4.13%) iPad
7 8 (3.67%) Client/Server
7 8 (3.67%) Ontologies
8 6 (2.75%) Statistics
9 5 (2.29%) Smart Energy
10 4 (1.83%) Data Structures
11 3 (1.38%) Artificial Intelligence
11 3 (1.38%) Clustering
11 3 (1.38%) Computer Science
11 3 (1.38%) Data Centre
11 3 (1.38%) Taxonomies
12 2 (0.92%) Mathematics
12 2 (0.92%) Physics
12 2 (0.92%) Social Network
Operating Systems
1 23 (10.55%) Linux
2 14 (6.42%) Unix
3 5 (2.29%) Apple iOS
4 3 (1.38%) Android
4 3 (1.38%) Windows
5 2 (0.92%) CentOS
5 2 (0.92%) Mac OS X
Processes & Methodologies
1 123 (56.42%) Agile Software Development
2 56 (25.69%) MVC
3 45 (20.64%) Data Visualisation
4 43 (19.72%) Front End Development
5 40 (18.35%) Continuous Integration
6 38 (17.43%) Web Development
7 37 (16.97%) Analytics
8 36 (16.51%) Business Intelligence
9 33 (15.14%) OO
10 29 (13.30%) TDD
11 28 (12.84%) Scrum
12 25 (11.47%) Open Source
13 22 (10.09%) Responsive Web Design
14 20 (9.17%) Unit Testing
15 19 (8.72%) BDD
15 19 (8.72%) E-Commerce
15 19 (8.72%) Machine Learning
15 19 (8.72%) Web Design
16 17 (7.80%) DevOps
17 12 (5.50%) Data Analytics
Programming Languages
1 176 (80.73%) JavaScript
2 75 (34.40%) Java
3 50 (22.94%) SQL
4 32 (14.68%) Python
5 23 (10.55%) Scala
6 19 (8.72%) C#
6 19 (8.72%) PHP
7 15 (6.88%) ES6
8 13 (5.96%) T-SQL
9 10 (4.59%) JSX
9 10 (4.59%) Perl
10 9 (4.13%) TypeScript
11 8 (3.67%) CoffeeScript
11 8 (3.67%) SPARQL
12 7 (3.21%) Ruby
12 7 (3.21%) Shell Script
13 4 (1.83%) C
13 4 (1.83%) R
14 3 (1.38%) Apex Code
15 2 (0.92%) Bash Shell
Qualifications
1 16 (7.34%) Security Cleared
2 11 (5.05%) BC Cleared
3 3 (1.38%) BPSS Clearance
3 3 (1.38%) CISMP
3 3 (1.38%) CISSP
4 2 (0.92%) Degree
4 2 (0.92%) DV Cleared
4 2 (0.92%) PhD
5 1 (0.46%) MCSA
5 1 (0.46%) MCSE
5 1 (0.46%) Microsoft Certification
Quality Assurance & Compliance
1 14 (6.42%) QA
2 4 (1.83%) Disclosure Scotland
3 3 (1.38%) Data Quality
System Software
1 4 (1.83%) Apache Flume
1 4 (1.83%) Docker
Systems Management
1 7 (3.21%) Puppet
2 3 (1.38%) QRadar
3 2 (0.92%) Kubernetes
3 2 (0.92%) Opscode Chef
4 1 (0.46%) Business Desktop Deployment
4 1 (0.46%) Dokku
4 1 (0.46%) Kibana
4 1 (0.46%) logstash
Vendors
1 29 (13.30%) Tableau
2 14 (6.42%) Microsoft
3 13 (5.96%) Adobe
4 12 (5.50%) Oracle
5 5 (2.29%) Google
6 4 (1.83%) Omniture
6 4 (1.83%) Palantir
6 4 (1.83%) Teradata
7 3 (1.38%) Citrix
7 3 (1.38%) Salesforce.com
7 3 (1.38%) Siebel
7 3 (1.38%) Splunk
8 2 (0.92%) Coverity
8 2 (0.92%) ESRI
8 2 (0.92%) MicroStrategy
8 2 (0.92%) Netezza
8 2 (0.92%) Sitecore
8 2 (0.92%) Twitter
8 2 (0.92%) Vertica
8 2 (0.92%) Zend
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