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 23 January 2017 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
23 Jan 2017
Same period 2016 Same period 2015
Data-Driven Documents (D3)
UK
Rank 460 526 528
Rank change year-on-year
+66 +2
Contract jobs citing D3.js 127 104 79
As % of all contract IT jobs located in the UK 0.28% 0.21% 0.16%
As % of the Libraries, Frameworks & Software Standards category 0.92% 0.72% 0.57%
Number of daily rates quoted 94 64 54
Median daily rate £500 £456 £463
Median daily rate % change year-on-year
+9.58% -1.35%
90% offered a daily rate of more than £350 £332 £325
10% offered a daily rate of more than £579 £600 £625
UK excluding London median daily rate £344 £500 £325
% change year-on-year
-31.25% +53.84%
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
13869 14440 13865
As % of all contract IT jobs located in the UK 30.92% 28.89% 27.34%
Number of daily rates quoted 9525 9991 9330
Median daily rate £425 £400 £390
Median daily rate % change year-on-year
+6.25% +2.56%
90% offered a daily rate of more than £306 £300 £275
10% offered a daily rate of more than £575 £550 £550
UK excluding London median daily rate £375 £370 £350
% change year-on-year
+1.35% +5.71%
Number of hourly rates quoted 162 254 186
Median hourly rate £40.00 £40.00 £34.00
Median hourly rate % change year-on-year
- +17.64%
90% offered a hourly rate of more than £16.50 £22.30 £20.28
10% offered a hourly rate of more than £52.17 £57.00 £50.00
UK excluding London median hourly rate £37.50 £38.00 £33.50
% change year-on-year
-1.31% +13.43%

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 23 January 2017.

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 23 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 23 January 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
England +54 127 £500 +9.58% 44
London +55 99 £525 +16.66% 24
East of England +15 13 £300 -12.40% 2
East Midlands - 11 £363 - 1
Northamptonshire - 9 £363 - 1
Ipswich -3 7 £290 -19.44%
City of London -4 7 £525 +31.08% 9
Suffolk -4 7 £290 -19.44%
Northampton - 7 £363 - 1
Cambridgeshire +1 5 £375 -
South East +7 3 £475 +18.75% 10
Cambridge +4 2 £375 -
Milton Keynes -1 2 - -
Buckinghamshire -9 2 - - 3
Docklands, London - 2 £538 -
Hampshire +9 1 £475 +18.75%
Canary Wharf -2 1 - -
Lincoln - 1 - -
Sheffield - 1 - -
South Yorkshire - 1 - -
Lincolnshire - 1 - -
Yorkshire - 1 - - 3
Essex - 1 £350 -

D3.js
Top 30 Related IT Skills

For the 6 months to 23 January 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 with a requirement for D3.js.

1 200 (70.42%) JavaScript
2 169 (59.51%) AngularJS
3 156 (54.93%) HTML
4 147 (51.76%) CSS
5 136 (47.89%) Visualisation
6 115 (40.49%) HTML5
7 112 (39.44%) Agile Software Development
8 106 (37.32%) Front End Development
9 90 (31.69%) React
10 78 (27.46%) CSS3
11 75 (26.41%) Node.js
12 74 (26.06%) Java
13 73 (25.70%) Data Visualisation
14 72 (25.35%) jQuery
15 69 (24.30%) Finance
16 63 (22.18%) Sass
17 57 (20.07%) TDD
18 51 (17.96%) Analytics
19 48 (16.90%) Scrum
20 47 (16.55%) Git (software)
21 45 (15.85%) Banking
21 45 (15.85%) SQL
22 43 (15.14%) ES6
23 42 (14.79%) Big Data
24 40 (14.08%) Jasmine
25 39 (13.73%) Python
26 38 (13.38%) Business Intelligence
27 35 (12.32%) Google
27 35 (12.32%) JIRA
28 32 (11.27%) Hadoop

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 (8.45%) Apache Spark
2 20 (7.04%) Elasticsearch
3 13 (4.58%) Apache Pig
4 8 (2.82%) Confluence
4 8 (2.82%) nginx
4 8 (2.82%) Tomcat
5 5 (1.76%) Apache
6 4 (1.41%) Oracle Spatial
7 3 (1.06%) Apache Solr
7 3 (1.06%) SAS
8 2 (0.70%) Drupal
8 2 (0.70%) SharePoint
8 2 (0.70%) WebLogic
Applications
1 9 (3.17%) MS Excel
2 4 (1.41%) Adobe Creative Suite
2 4 (1.41%) OmniGraffle
2 4 (1.41%) Weka
3 3 (1.06%) Stata
4 2 (0.70%) Photoshop
4 2 (0.70%) SPSS
5 1 (0.35%) InVision
5 1 (0.35%) LaTeX
Cloud Services
1 9 (3.17%) GitHub
2 5 (1.76%) Amazon AWS
3 4 (1.41%) Google Analytics
3 4 (1.41%) Microsoft Azure
4 3 (1.06%) Flurry Analytics
5 2 (0.70%) Amazon EC2
5 2 (0.70%) SaaS
6 1 (0.35%) Adobe Creative Cloud
6 1 (0.35%) Amazon S3
6 1 (0.35%) Heroku
Communications & Networking
1 9 (3.17%) HTTP
2 8 (2.82%) Network Security
3 7 (2.46%) Internet
4 3 (1.06%) SNA
5 2 (0.70%) DSL
5 2 (0.70%) HTTPS
5 2 (0.70%) Peer-to-Peer Networking
6 1 (0.35%) Intranet
6 1 (0.35%) SSH
Database & Business Intelligence
1 42 (14.79%) Big Data
2 32 (11.27%) Hadoop
3 25 (8.80%) QlikView
4 22 (7.75%) MongoDB
5 17 (5.99%) Power BI
6 16 (5.63%) Relational Database
7 15 (5.28%) SQL Server
8 13 (4.58%) Apache Hive
9 12 (4.23%) NoSQL
10 11 (3.87%) Apache Cassandra
11 10 (3.52%) Microsoft Power View
11 10 (3.52%) SQL Server Reporting Services
12 9 (3.17%) HBase
13 7 (2.46%) Qlik Sense
14 6 (2.11%) BusinessObjects
14 6 (2.11%) Data Mining
14 6 (2.11%) Oracle Database
14 6 (2.11%) PowerPivot
15 5 (1.76%) Mahout
16 4 (1.41%) Neo4j
Development Applications
1 47 (16.55%) Git (software)
2 40 (14.08%) Jasmine
3 35 (12.32%) JIRA
4 32 (11.27%) Grunt
5 28 (9.86%) webpack
6 26 (9.15%) gulp
7 22 (7.75%) Protractor
7 22 (7.75%) Selenium
8 20 (7.04%) Karma Test Runner
9 18 (6.34%) Bitbucket
10 17 (5.99%) Mocha
11 15 (5.28%) WebDriver
12 12 (4.23%) Babel
13 11 (3.87%) Bundler
13 11 (3.87%) Subversion
14 8 (2.82%) Eclipse
14 8 (2.82%) IntelliJ
14 8 (2.82%) NetBeans
15 7 (2.46%) Bower
16 5 (1.76%) Maven
General
1 69 (24.30%) Finance
2 45 (15.85%) Banking
3 24 (8.45%) Investment Banking
4 9 (3.17%) Front Office
5 8 (2.82%) Retail
6 6 (2.11%) Marketing
7 3 (1.06%) Legal
7 3 (1.06%) Publishing
8 2 (0.70%) Automotive
8 2 (0.70%) Financial Institution
8 2 (0.70%) Games
8 2 (0.70%) Manufacturing
8 2 (0.70%) Telecoms
9 1 (0.35%) Electronics
9 1 (0.35%) Law
9 1 (0.35%) Multimedia
Job Titles
1 223 (78.52%) Developer
2 109 (38.38%) JavaScript Developer
3 86 (30.28%) Front End Developer (Client-Side Developer)
4 52 (18.31%) Angular Developer
5 49 (17.25%) UI Developer
6 24 (8.45%) HTML Developer
6 24 (8.45%) Senior Developer
7 21 (7.39%) Data Scientist
8 14 (4.93%) Applications Developer
9 13 (4.58%) HTML CSS Developer
10 12 (4.23%) Full Stack Developer
10 12 (4.23%) Senior JavaScript Developer
10 12 (4.23%) Web Developer
11 11 (3.87%) Designer
12 8 (2.82%) Machine Learning Scientist
12 8 (2.82%) Senior UI Developer
12 8 (2.82%) Web Applications Developer
13 7 (2.46%) Data Engineer
14 6 (2.11%) Analyst
14 6 (2.11%) Node.js Developer
Libraries, Frameworks & Software Standards
1 169 (59.51%) AngularJS
2 156 (54.93%) HTML
3 147 (51.76%) CSS
4 115 (40.49%) HTML5
5 90 (31.69%) React
6 78 (27.46%) CSS3
7 75 (26.41%) Node.js
8 72 (25.35%) jQuery
9 63 (22.18%) Sass
10 26 (9.15%) RESTful
11 25 (8.80%) Highcharts JS
12 24 (8.45%) Redux
13 23 (8.10%) LESS
13 23 (8.10%) Material Design
14 22 (7.75%) REST
15 19 (6.69%) Browserify
15 19 (6.69%) WebSockets
16 18 (6.34%) Twitter Bootstrap
17 14 (4.93%) JSON
18 13 (4.58%) Web Services
Miscellaneous
1 136 (47.89%) Visualisation
2 29 (10.21%) User Experience
3 27 (9.51%) Computer Science
4 24 (8.45%) Fintech
5 20 (7.04%) Mathematics
6 16 (5.63%) Statistics
7 15 (5.28%) Analytical Skills
8 14 (4.93%) Algorithms
9 11 (3.87%) Applied Mathematics
10 7 (2.46%) Artificial Intelligence
10 7 (2.46%) Client/Server
11 6 (2.11%) Enterprise Software
11 6 (2.11%) Mobile App
11 6 (2.11%) Physics
12 4 (1.41%) Cyberthreat
13 3 (1.06%) Reference Data
13 3 (1.06%) Social Media
14 2 (0.70%) Cryptography
14 2 (0.70%) Data Extraction
14 2 (0.70%) Data Integration
Operating Systems
1 11 (3.87%) Linux
2 5 (1.76%) Windows
3 4 (1.41%) Android
3 4 (1.41%) Apple iOS
4 2 (0.70%) Unix
5 1 (0.35%) Mac OS X
5 1 (0.35%) Red Hat Enterprise Linux
Processes & Methodologies
1 112 (39.44%) Agile Software Development
2 106 (37.32%) Front End Development
3 73 (25.70%) Data Visualisation
4 57 (20.07%) TDD
5 51 (17.96%) Analytics
6 48 (16.90%) Scrum
7 38 (13.38%) Business Intelligence
8 31 (10.92%) Machine Learning
8 31 (10.92%) Web Development
9 23 (8.10%) OO
10 21 (7.39%) Software Engineering
11 20 (7.04%) BDD
11 20 (7.04%) Continuous Delivery
12 19 (6.69%) E-Commerce
12 19 (6.69%) Unit Testing
13 18 (6.34%) Open Source
14 17 (5.99%) Prototyping
14 17 (5.99%) Responsive Web Design
15 14 (4.93%) Continuous Integration
15 14 (4.93%) Data Analysis
Programming Languages
1 200 (70.42%) JavaScript
2 74 (26.06%) Java
3 45 (15.85%) SQL
4 43 (15.14%) ES6
5 39 (13.73%) Python
6 30 (10.56%) Scala
7 24 (8.45%) R
8 11 (3.87%) C#
9 7 (2.46%) MATLAB
9 7 (2.46%) Shell Script
10 6 (2.11%) PL/SQL
11 5 (1.76%) Apex Code
11 5 (1.76%) T-SQL
11 5 (1.76%) VBA
12 3 (1.06%) C++
12 3 (1.06%) ECMAScript
12 3 (1.06%) PHP
12 3 (1.06%) Ruby
12 3 (1.06%) VB
13 1 (0.35%) Lisp
Qualifications
1 31 (10.92%) Degree
2 9 (3.17%) PhD
3 3 (1.06%) Security Cleared
4 2 (0.70%) DV Cleared
5 1 (0.35%) BPSS Clearance
Quality Assurance & Compliance
1 20 (7.04%) QA
2 3 (1.06%) Disclosure Scotland
3 2 (0.70%) Data Quality
System Software
1 8 (2.82%) HDFS
2 4 (1.41%) Apache Flume
3 1 (0.35%) Docker
3 1 (0.35%) GlusterFS
3 1 (0.35%) Varnish
Systems Management
1 16 (5.63%) Kibana
2 1 (0.35%) Kubernetes
2 1 (0.35%) Piwik
Vendors
1 35 (12.32%) Google
2 27 (9.51%) Tableau
3 13 (4.58%) Oracle
4 10 (3.52%) Microsoft
5 9 (3.17%) Cadence
6 5 (1.76%) Adobe
6 5 (1.76%) Salesforce.com
7 3 (1.06%) Avaya
7 3 (1.06%) Cognos
7 3 (1.06%) Genesys
8 2 (0.70%) Talend
9 1 (0.35%) Alteryx
9 1 (0.35%) CA Agile Central
9 1 (0.35%) Mapbox
9 1 (0.35%) Perforce
9 1 (0.35%) Red Hat
9 1 (0.35%) Sybase
9 1 (0.35%) Teradata
9 1 (0.35%) Twitter
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