Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies 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 6 months to 21 November 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.

Data-Driven Documents (D3)
UK
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 626 587 704
Rank change year-on-year -39 +117 +10
Contract jobs citing D3.js 260 306 184
As % of all contract IT jobs advertised in the UK 0.25% 0.29% 0.16%
As % of the Libraries, Frameworks & Software Standards category 0.79% 0.96% 0.57%
Number of daily rates quoted 195 246 130
UK median daily rate £500 £450 £475
Median daily rate % change year-on-year +11.11% -5.26% +5.56%
10th Percentile £353 £319 £315
90th Percentile £625 £569 £625
UK excluding London median daily rate £375 £385 £350
% change year-on-year -2.60% +10.00% +7.69%
Number of hourly rates quoted 3 0 0
UK median hourly rate £48.00 - -
UK excluding London median hourly rate £51.80 - -

D3.js is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 33044 31776 32166
As % of all contract IT jobs advertised in the UK 32.04% 30.34% 28.32%
Number of daily rates quoted 23329 22020 22052
UK median daily rate £450 £425 £410
Median daily rate % change year-on-year +5.88% +3.66% +2.50%
10th Percentile £313 £300 £275
90th Percentile £625 £588 £588
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.23% +3.33% +7.14%
Number of hourly rates quoted 380 363 552
UK median hourly rate £40.00 £37.50 £37.50
Median hourly rate % change year-on-year +6.67% - +8.70%
10th Percentile £18.45 £14.36 £15.00
90th Percentile £52.50 £51.60 £55.00
UK excluding London median hourly rate £41.00 £37.00 £37.50
% change year-on-year +10.81% -1.33% +10.74%

D3.js
Job Vacancy Trend

Job postings citing D3.js as a percentage of all IT jobs advertised.

Job vacancy trend for D3.js in the UK

D3.js
Contractor Daily Rate Trend

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

Contractor daily rate trend for D3.js in the UK

D3.js
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing D3.js over the 6 months to 21 November 2017.

Contractor daily rate histogram for D3.js in the UK

D3.js
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for D3.js in the UK

D3.js
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing D3.js over the 6 months to 21 November 2017.

Contractor hourly rate histogram for D3.js in the UK

D3.js
Top 14 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 6 months to 21 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -32 241 £500 +11.11% 31
London -49 180 £525 +10.53% 18
UK excluding London +4 76 £375 -2.60% 15
Midlands +32 26 £394 +8.62% 1
South West -9 15 £375 +29.31% 1
East Midlands +3 14 £394 +8.62% 1
South East +3 13 £450 -12.20% 4
West Midlands +31 12 £375 +57.89%
Scotland -4 11 £330 -20.00% 1
North of England +26 5 £375 -14.29% 4
Wales +14 5 £450 - 1
North West +25 4 - -
Yorkshire +3 1 £375 -2.60% 4
Northern Ireland - 1 £338 -

For the 6 months to 21 November 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.

1 187 (71.92%) JavaScript
2 131 (50.38%) Visualisation
3 122 (46.92%) CSS
4 121 (46.54%) HTML
5 114 (43.85%) AngularJS
6 92 (35.38%) Agile Software Development
7 86 (33.08%) Data Visualisation
8 76 (29.23%) HTML5
8 76 (29.23%) React
9 73 (28.08%) CSS3
10 70 (26.92%) Front End Development
11 67 (25.77%) Analytics
12 66 (25.38%) Git (software)
13 60 (23.08%) Node.js
14 56 (21.54%) Java
14 56 (21.54%) Python
15 52 (20.00%) Finance
16 49 (18.85%) SQL
17 48 (18.46%) Sass
18 44 (16.92%) C#
19 42 (16.15%) JSON
19 42 (16.15%) MongoDB
20 41 (15.77%) Web Development
20 41 (15.77%) TDD
20 41 (15.77%) Scrum
21 37 (14.23%) Business Intelligence
21 37 (14.23%) NoSQL
22 36 (13.85%) Responsive Web Design
23 35 (13.46%) User Experience
23 35 (13.46%) jQuery

D3.js
Co-occurring 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 12 (4.62%) Elasticsearch
2 11 (4.23%) Apache Spark
3 8 (3.08%) SAS
4 7 (2.69%) Apache
5 5 (1.92%) Confluence
5 5 (1.92%) SharePoint
6 4 (1.54%) CMS
6 4 (1.54%) JBoss
7 3 (1.15%) Apache Pig
7 3 (1.15%) EPiServer
7 3 (1.15%) Jupyter
7 3 (1.15%) nginx
7 3 (1.15%) Tomcat
7 3 (1.15%) WebLogic
7 3 (1.15%) WebSphere
8 2 (0.77%) Mule
8 2 (0.77%) Sitecore CMS
9 1 (0.38%) Documentum
9 1 (0.38%) Umbraco
9 1 (0.38%) WordPress
Applications
1 12 (4.62%) Microsoft Excel
2 1 (0.38%) Adobe Illustrator
2 1 (0.38%) Gephi
2 1 (0.38%) Microsoft Office
2 1 (0.38%) Microsoft Project
2 1 (0.38%) MS Visio
2 1 (0.38%) Photoshop
Business Applications
1 2 (0.77%) Eloqua
2 1 (0.38%) Primavera
2 1 (0.38%) SAP ERP
Cloud Services
1 21 (8.08%) Amazon AWS
2 9 (3.46%) GitHub
3 6 (2.31%) npm
4 5 (1.92%) Microsoft Azure
5 4 (1.54%) Cloud Computing
5 4 (1.54%) Google Analytics
6 3 (1.15%) Amazon S3
6 3 (1.15%) Google Cloud Platform
7 2 (0.77%) SaaS
8 1 (0.38%) Adobe Analytics
8 1 (0.38%) Amazon EC2
8 1 (0.38%) Amazon EMR
8 1 (0.38%) AWS Lambda
8 1 (0.38%) Firebase
8 1 (0.38%) Heroku
8 1 (0.38%) Linode
8 1 (0.38%) Serverless
Communications & Networking
1 3 (1.15%) HTTP
1 3 (1.15%) Internet
2 1 (0.38%) Broadband
Database & Business Intelligence
1 42 (16.15%) MongoDB
2 37 (14.23%) NoSQL
3 33 (12.69%) Big Data
4 30 (11.54%) Hadoop
5 24 (9.23%) Power BI
6 17 (6.54%) SQL Server Reporting Services
7 14 (5.38%) BusinessObjects
7 14 (5.38%) QlikView
7 14 (5.38%) SQL Server
8 12 (4.62%) Spotfire
9 9 (3.46%) Apache Hive
9 9 (3.46%) OLAP
9 9 (3.46%) PostgreSQL
10 8 (3.08%) PowerPivot
10 8 (3.08%) SQL Server Integration Services
11 7 (2.69%) Relational Database
12 6 (2.31%) Qlik Sense
12 6 (2.31%) SQL Server Analysis Services
13 5 (1.92%) Data Mining
13 5 (1.92%) Data Warehouse
Development Applications
1 66 (25.38%) Git (software)
2 33 (12.69%) JIRA
3 17 (6.54%) Grunt
3 17 (6.54%) Jasmine
3 17 (6.54%) Mocha
4 16 (6.15%) Maven
5 11 (4.23%) Gradle
5 11 (4.23%) Karma Test Runner
6 9 (3.46%) gulp
7 7 (2.69%) Cucumber
7 7 (2.69%) Jenkins
7 7 (2.69%) Protractor
8 6 (2.31%) Bower
8 6 (2.31%) Selenium
8 6 (2.31%) Sinon.JS
8 6 (2.31%) TeamCity
8 6 (2.31%) webpack
9 5 (1.92%) Bitbucket
9 5 (1.92%) Subversion
10 4 (1.54%) Atlassian Bamboo
General
1 52 (20.00%) Finance
2 30 (11.54%) Banking
3 14 (5.38%) Investment Banking
4 10 (3.85%) Marketing
4 10 (3.85%) Telecoms
5 4 (1.54%) Advertising
5 4 (1.54%) Front Office
6 3 (1.15%) Manufacturing
6 3 (1.15%) Retail
6 3 (1.15%) Retail Banking
7 2 (0.77%) Electronics
7 2 (0.77%) German Language
7 2 (0.77%) Publishing
8 1 (0.38%) Aerospace
8 1 (0.38%) Automotive
8 1 (0.38%) Financial Institution
8 1 (0.38%) Wholesale Banking
Job Titles
1 191 (73.46%) Developer
2 73 (28.08%) JavaScript Developer
3 56 (21.54%) Front End Developer (Client-Side Developer)
4 34 (13.08%) Angular Developer
5 28 (10.77%) Data Scientist
6 25 (9.62%) HTML Developer
7 24 (9.23%) Full Stack Developer
8 23 (8.85%) UI Developer
9 21 (8.08%) Senior Developer
10 20 (7.69%) Java Developer
11 16 (6.15%) HTML CSS Developer
12 14 (5.38%) C# Developer
12 14 (5.38%) Data Visualisation Developer
12 14 (5.38%) Delivery Manager
13 13 (5.00%) Business Intelligence Developer
14 12 (4.62%) Node.js Developer
14 12 (4.62%) Web Developer
15 11 (4.23%) Software Engineer
16 10 (3.85%) Applications Developer
16 10 (3.85%) JavaScript Engineer
Libraries, Frameworks & Software Standards
1 122 (46.92%) CSS
2 121 (46.54%) HTML
3 114 (43.85%) AngularJS
4 76 (29.23%) HTML5
4 76 (29.23%) React
5 73 (28.08%) CSS3
6 60 (23.08%) Node.js
7 48 (18.46%) Sass
8 42 (16.15%) JSON
9 35 (13.46%) jQuery
10 30 (11.54%) RESTful
10 30 (11.54%) Web Services
11 27 (10.38%) Angular 2
11 27 (10.38%) LESS
12 25 (9.62%) Redux
13 22 (8.46%) Highcharts JS
14 21 (8.08%) REST
15 20 (7.69%) Spring
15 20 (7.69%) Twitter Bootstrap
16 18 (6.92%) .NET
Miscellaneous
1 35 (13.46%) User Experience
2 29 (11.15%) Analytical Skills
3 24 (9.23%) Computer Science
4 17 (6.54%) Fintech
5 13 (5.00%) Cloud Native
5 13 (5.00%) Greenfield Project
6 11 (4.23%) Algorithms
7 9 (3.46%) Foreign Exchange (FX)
8 8 (3.08%) Hedge funds
9 7 (2.69%) Enterprise Software
9 7 (2.69%) Equities
10 5 (1.92%) Mobile App
11 4 (1.54%) Fixed Income
12 3 (1.15%) Graphic Design
13 2 (0.77%) Animation
13 2 (0.77%) Clustering
13 2 (0.77%) Data Structures
13 2 (0.77%) Fat Client
13 2 (0.77%) Smart City
13 2 (0.77%) Thin Client
Operating Systems
1 17 (6.54%) Linux
2 7 (2.69%) Unix
3 4 (1.54%) Apple iOS
4 1 (0.38%) Android
4 1 (0.38%) CentOS
4 1 (0.38%) Ubuntu
Processes & Methodologies
1 131 (50.38%) Visualisation
2 92 (35.38%) Agile Software Development
3 86 (33.08%) Data Visualisation
4 70 (26.92%) Front End Development
5 67 (25.77%) Analytics
6 41 (15.77%) Scrum
6 41 (15.77%) TDD
6 41 (15.77%) Web Development
7 37 (14.23%) Business Intelligence
8 36 (13.85%) Responsive Web Design
9 34 (13.08%) Machine Learning
10 25 (9.62%) Microservices
11 22 (8.46%) MVC
11 22 (8.46%) Software Engineering
12 21 (8.08%) Mathematics
12 21 (8.08%) Web Design
13 20 (7.69%) Stakeholder Management
14 17 (6.54%) Kanban
14 17 (6.54%) OO
14 17 (6.54%) Risk Analytics
Programming Languages
1 187 (71.92%) JavaScript
2 56 (21.54%) Java
2 56 (21.54%) Python
3 49 (18.85%) SQL
4 44 (16.92%) C#
5 34 (13.08%) R
6 28 (10.77%) ES6
7 22 (8.46%) Scala
8 13 (5.00%) C++
9 11 (4.23%) TypeScript
10 10 (3.85%) Bash Shell
10 10 (3.85%) GraphQL
11 7 (2.69%) PL/SQL
11 7 (2.69%) Shell Script
12 6 (2.31%) Data Analysis Expressions (DAX)
12 6 (2.31%) Groovy
12 6 (2.31%) Kotlin
13 3 (1.15%) MATLAB
13 3 (1.15%) VB
13 3 (1.15%) VC++
Qualifications
1 16 (6.15%) Degree
1 16 (6.15%) Security Cleared
2 13 (5.00%) Computer Science Degree
3 7 (2.69%) SC Cleared
4 5 (1.92%) PhD
5 4 (1.54%) Master's Degree
6 2 (0.77%) Numerate Degree
7 1 (0.38%) BPSS Clearance
7 1 (0.38%) Sun Certification
Quality Assurance & Compliance
1 7 (2.69%) Data Quality
2 3 (1.15%) UCITS
3 1 (0.38%) QA
System Software
1 24 (9.23%) Docker
2 3 (1.15%) VMware Infrastructure
3 1 (0.38%) HDFS
Systems Management
1 13 (5.00%) Ansible
2 10 (3.85%) Kubernetes
2 10 (3.85%) Rancher
3 3 (1.15%) Opscode Chef
4 1 (0.38%) Hadoop YARN
Vendors
1 29 (11.15%) Tableau
2 15 (5.77%) SAP
3 10 (3.85%) Oracle
4 9 (3.46%) Microsoft
5 8 (3.08%) Google
6 3 (1.15%) Pega
6 3 (1.15%) VMware
7 2 (0.77%) ESRI
7 2 (0.77%) Mapbox
7 2 (0.77%) Marketo
7 2 (0.77%) MuleSoft
7 2 (0.77%) Sitecore
8 1 (0.38%) Adobe
8 1 (0.38%) Cadence
8 1 (0.38%) Netezza
8 1 (0.38%) Sun
8 1 (0.38%) Talend
8 1 (0.38%) Teradata
8 1 (0.38%) Twitter
8 1 (0.38%) Xamarin