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 3 December 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
3 Dec 2016
Same period 2015 Same period 2014
Data-Driven Documents (D3)
Rank 459 535 553
Rank change year-on-year
+76 +18
Contract jobs citing D3.js 161 122 84
As % of all contract IT jobs located in the UK 0.33% 0.22% 0.15%
As % of the Libraries, Frameworks & Software Standards category 1.05% 0.77% 0.54%
Number of daily rates quoted 125 79 64
Median daily rate £500 £425 £475
Median daily rate % change year-on-year
+17.64% -10.52%
90% offered a daily rate of more than £366 £330 £325
10% offered a daily rate of more than £550 £600 £650
UK excluding London median daily rate £418 £338 £269
% change year-on-year
+23.70% +25.58%
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
15327 15921 15523
As % of all contract IT jobs located in the UK 30.99% 28.76% 26.94%
Number of daily rates quoted 10582 11090 10566
Median daily rate £425 £400 £397
Median daily rate % change year-on-year
+6.25% +0.82%
90% offered a daily rate of more than £308 £300 £275
10% offered a daily rate of more than £563 £550 £550
UK excluding London median daily rate £380 £375 £350
% change year-on-year
+1.33% +7.14%
Number of hourly rates quoted 145 263 168
Median hourly rate £40.00 £37.45 £35.00
Median hourly rate % change year-on-year
+6.80% +7.00%
90% offered a hourly rate of more than £16.41 £20.00 £17.50
10% offered a hourly rate of more than £50.00 £46.92 £50.00
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 3 December 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 3 December 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 +46 158 £500 +17.64% 51
London +36 124 £500 +5.26% 30
City of London -5 13 £450 +12.50% 3
East Midlands - 11 £363 -
South East +17 9 £475 +37.68% 5
Northamptonshire - 9 £363 -
Tyne and Wear - 8 £457 -
Newcastle upon Tyne - 8 £457 -
North East - 8 £457 -
Northampton - 7 £363 -
Surrey +22 4 - - 1
East of England +14 4 £350 +7.69% 3
Scotland +13 3 £450 -
Glasgow - 3 £450 -
Cambridgeshire - 3 - - 1
Guildford - 3 - -
Hampshire +26 2 £475 +18.75% 1
Milton Keynes +7 2 - -
Buckinghamshire +2 2 - - 1
Docklands, London - 2 £538 -
Yorkshire +9 1 - - 5
West Yorkshire +6 1 - -
Canary Wharf +4 1 - -
Lincoln - 1 - -
Lincolnshire - 1 - -
Bradford - 1 - -
West Midlands - 1 £380 - 3
Birmingham - 1 £380 - 1
Berkshire - 1 £400 - 1
Essex - 1 £350 -

D3.js
Top 30 Related IT Skills

For the 6 months to 3 December 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.

1 221 (72.70%) JavaScript
2 179 (58.88%) AngularJS
3 172 (56.58%) HTML
4 167 (54.93%) CSS
5 129 (42.43%) Visualisation
6 121 (39.80%) Agile Software Development
7 116 (38.16%) HTML5
8 107 (35.20%) Front End Development
9 92 (30.26%) React
10 82 (26.97%) Node.js
11 81 (26.64%) CSS3
12 77 (25.33%) jQuery
13 75 (24.67%) Java
14 70 (23.03%) Data Visualisation
15 67 (22.04%) Sass
16 65 (21.38%) Finance
17 58 (19.08%) Analytics
18 54 (17.76%) SQL
18 54 (17.76%) TDD
19 50 (16.45%) Git (software)
20 49 (16.12%) Python
21 48 (15.79%) Scrum
22 47 (15.46%) Banking
23 46 (15.13%) Jasmine
23 46 (15.13%) ES6
24 44 (14.47%) Web Development
25 43 (14.14%) Grunt
26 42 (13.82%) Business Intelligence
27 40 (13.16%) C#
28 38 (12.50%) Computer Science

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 24 (7.89%) Apache Spark
2 19 (6.25%) Elasticsearch
3 12 (3.95%) Apache Pig
3 12 (3.95%) nginx
3 12 (3.95%) Tomcat
4 8 (2.63%) Confluence
5 5 (1.64%) Apache
5 5 (1.64%) SAS
6 4 (1.32%) Drupal
7 3 (0.99%) Apache Solr
7 3 (0.99%) SharePoint
8 1 (0.33%) Luigi
Applications
1 10 (3.29%) MS Excel
2 4 (1.32%) Adobe Creative Suite
2 4 (1.32%) OmniGraffle
2 4 (1.32%) Weka
3 3 (0.99%) Photoshop
3 3 (0.99%) Stata
4 2 (0.66%) InVision
4 2 (0.66%) Spreadsheet
4 2 (0.66%) SPSS
5 1 (0.33%) LaTeX
Cloud Services
1 9 (2.96%) GitHub
2 7 (2.30%) Microsoft Azure
3 5 (1.64%) SaaS
4 4 (1.32%) Amazon AWS
5 3 (0.99%) Flurry Analytics
5 3 (0.99%) Google Analytics
6 2 (0.66%) Adobe Creative Cloud
6 2 (0.66%) Heroku
7 1 (0.33%) Amazon EC2
7 1 (0.33%) Amazon S3
7 1 (0.33%) Azure Machine Learning
7 1 (0.33%) Data Lake Analytics
7 1 (0.33%) IaaS
7 1 (0.33%) PaaS
Communications & Networking
1 10 (3.29%) HTTP
2 8 (2.63%) Internet
3 5 (1.64%) Network Security
4 2 (0.66%) HTTPS
5 1 (0.33%) Intranet
5 1 (0.33%) SSH
Database & Business Intelligence
1 38 (12.50%) Hadoop
2 36 (11.84%) Big Data
3 30 (9.87%) MongoDB
4 25 (8.22%) Power BI
4 25 (8.22%) QlikView
5 22 (7.24%) SQL Server
6 16 (5.26%) SQL Server Reporting Services
7 12 (3.95%) Apache Hive
7 12 (3.95%) Spotfire
8 10 (3.29%) Apache Cassandra
8 10 (3.29%) BusinessObjects
8 10 (3.29%) Data Mining
8 10 (3.29%) Microsoft Power View
9 9 (2.96%) NoSQL
9 9 (2.96%) Relational Database
10 8 (2.63%) HBase
11 7 (2.30%) Qlik Sense
11 7 (2.30%) SQL Server Integration Services
12 6 (1.97%) PostgreSQL
12 6 (1.97%) PowerPivot
Development Applications
1 50 (16.45%) Git (software)
2 46 (15.13%) Jasmine
3 43 (14.14%) Grunt
4 35 (11.51%) JIRA
5 32 (10.53%) gulp
6 28 (9.21%) webpack
7 22 (7.24%) Karma Test Runner
8 21 (6.91%) Protractor
8 21 (6.91%) Selenium
9 18 (5.92%) Bitbucket
10 15 (4.93%) WebDriver
11 14 (4.61%) Subversion
12 13 (4.28%) Mocha
13 12 (3.95%) Babel
13 12 (3.95%) Eclipse
13 12 (3.95%) IntelliJ
13 12 (3.95%) NetBeans
14 11 (3.62%) Bundler
14 11 (3.62%) QUnit
15 6 (1.97%) Bower
General
1 65 (21.38%) Finance
2 47 (15.46%) Banking
3 21 (6.91%) Investment Banking
4 8 (2.63%) Marketing
5 7 (2.30%) Front Office
6 3 (0.99%) Legal
6 3 (0.99%) Publishing
7 2 (0.66%) Automotive
7 2 (0.66%) Electronics
7 2 (0.66%) Games
7 2 (0.66%) Retail
8 1 (0.33%) Financial Institution
8 1 (0.33%) Law
8 1 (0.33%) Multimedia
Job Titles
1 237 (77.96%) Developer
2 128 (42.11%) JavaScript Developer
3 82 (26.97%) Front End Developer (Client-Side Developer)
4 45 (14.80%) Angular Developer
5 44 (14.47%) UI Developer
6 25 (8.22%) HTML Developer
6 25 (8.22%) Senior Developer
7 23 (7.57%) Data Scientist
8 18 (5.92%) Web Developer
9 16 (5.26%) Applications Developer
10 14 (4.61%) HTML CSS Developer
10 14 (4.61%) Senior JavaScript Developer
11 12 (3.95%) C# Developer
12 11 (3.62%) Full Stack Developer
12 11 (3.62%) Machine Learning Scientist
12 11 (3.62%) Web Applications Developer
13 10 (3.29%) Designer
14 9 (2.96%) Node.js Developer
14 9 (2.96%) SQL Developer
15 8 (2.63%) .NET Developer
Libraries, Frameworks & Software Standards
1 179 (58.88%) AngularJS
2 172 (56.58%) HTML
3 167 (54.93%) CSS
4 116 (38.16%) HTML5
5 92 (30.26%) React
6 82 (26.97%) Node.js
7 81 (26.64%) CSS3
8 77 (25.33%) jQuery
9 67 (22.04%) Sass
10 34 (11.18%) LESS
11 25 (8.22%) Highcharts JS
11 25 (8.22%) JSON
12 24 (7.89%) .NET
12 24 (7.89%) RESTful
13 23 (7.57%) Material Design
13 23 (7.57%) REST
14 21 (6.91%) Twitter Bootstrap
15 20 (6.58%) Browserify
16 19 (6.25%) KnockoutJS
16 19 (6.25%) Redux
Miscellaneous
1 129 (42.43%) Visualisation
2 38 (12.50%) Computer Science
3 27 (8.88%) User Experience
4 25 (8.22%) Mathematics
5 24 (7.89%) Analytical Skills
6 22 (7.24%) Statistics
7 17 (5.59%) Applied Mathematics
7 17 (5.59%) Fintech
8 13 (4.28%) Algorithms
8 13 (4.28%) Artificial Intelligence
9 6 (1.97%) Physics
10 5 (1.64%) Derivative
11 4 (1.32%) Hedge funds
11 4 (1.32%) Mobile App
12 3 (0.99%) Social Media
13 2 (0.66%) Arduino
13 2 (0.66%) Data Extraction
13 2 (0.66%) Data Integration
13 2 (0.66%) Digital Media
13 2 (0.66%) Kinect
Operating Systems
1 13 (4.28%) Linux
2 6 (1.97%) Windows
3 5 (1.64%) Android
3 5 (1.64%) Apple iOS
4 2 (0.66%) Unix
5 1 (0.33%) Mac OS X
5 1 (0.33%) Red Hat Enterprise Linux
Processes & Methodologies
1 121 (39.80%) Agile Software Development
2 107 (35.20%) Front End Development
3 70 (23.03%) Data Visualisation
4 58 (19.08%) Analytics
5 54 (17.76%) TDD
6 48 (15.79%) Scrum
7 44 (14.47%) Web Development
8 42 (13.82%) Business Intelligence
9 32 (10.53%) Machine Learning
10 30 (9.87%) OO
11 28 (9.21%) MVC
12 27 (8.88%) Software Engineering
13 26 (8.55%) Unit Testing
14 25 (8.22%) BDD
15 22 (7.24%) Prototyping
16 19 (6.25%) Data Analysis
16 19 (6.25%) E-Commerce
16 19 (6.25%) Responsive Web Design
17 18 (5.92%) Continuous Integration
18 17 (5.59%) Statistical Analysis
Programming Languages
1 221 (72.70%) JavaScript
2 75 (24.67%) Java
3 54 (17.76%) SQL
4 49 (16.12%) Python
5 46 (15.13%) ES6
6 40 (13.16%) C#
7 32 (10.53%) Scala
8 31 (10.20%) R
9 9 (2.96%) Shell Script
10 7 (2.30%) MATLAB
10 7 (2.30%) PHP
11 6 (1.97%) T-SQL
11 6 (1.97%) TypeScript
11 6 (1.97%) VBA
12 5 (1.64%) Apex Code
12 5 (1.64%) PL/SQL
13 4 (1.32%) ECMAScript
13 4 (1.32%) Ruby
14 3 (0.99%) C++
14 3 (0.99%) VB
Qualifications
1 35 (11.51%) Degree
2 14 (4.61%) PhD
3 6 (1.97%) Security Cleared
4 3 (0.99%) BPSS Clearance
5 2 (0.66%) DV Cleared
5 2 (0.66%) SC Cleared
Quality Assurance & Compliance
1 15 (4.93%) QA
2 5 (1.64%) Disclosure Scotland
3 2 (0.66%) Data Quality
System Software
1 7 (2.30%) HDFS
2 4 (1.32%) Docker
3 3 (0.99%) Apache Flume
4 1 (0.33%) GlusterFS
4 1 (0.33%) Varnish
4 1 (0.33%) Virtual Machines
Systems Management
1 4 (1.32%) Kibana
2 3 (0.99%) Kubernetes
3 1 (0.33%) Opscode Chef
3 1 (0.33%) Piwik
Vendors
1 37 (12.17%) Google
2 31 (10.20%) Tableau
3 22 (7.24%) Microsoft
4 11 (3.62%) Oracle
5 9 (2.96%) Cadence
6 6 (1.97%) Adobe
7 5 (1.64%) Salesforce.com
7 5 (1.64%) Teradata
8 4 (1.32%) SAP
9 3 (0.99%) Avaya
9 3 (0.99%) Cognos
9 3 (0.99%) Genesys
10 2 (0.66%) Talend
10 2 (0.66%) Twitter
11 1 (0.33%) CA Agile Central
11 1 (0.33%) Mapbox
11 1 (0.33%) Netezza
11 1 (0.33%) Perforce
11 1 (0.33%) Telerik
11 1 (0.33%) TIBCO
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