Period
to 21 June 2018

The following table provides summary statistics for contract job vacancies advertised in England 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 June 2018 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 > England
6 months to
21 Jun 2018
Same period 2017 Same period 2016
Rank 633 531 641
Rank change year-on-year -102 +110 +27
Contract jobs citing D3.js 231 287 229
As % of all contract IT jobs advertised in England 0.25% 0.34% 0.23%
As % of the Libraries, Frameworks & Software Standards category 0.75% 1.06% 0.81%
Number of daily rates quoted 151 207 144
England median daily rate £475 £500 £450
Median daily rate % change year-on-year -5.00% +11.11% -5.26%
10th Percentile £350 £363 £330
90th Percentile £725 £625 £563
UK median daily rate £475 £500 £450
% change year-on-year -5.00% +11.11% -
Number of hourly rates quoted 0 1 2
England median hourly rate - £42.50 £32.50
Median hourly rate % change year-on-year - +30.77% -
UK median hourly rate - £42.50 £32.50
% change year-on-year - +30.77% -

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 advertised in England with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
England
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 30,800 27,109 28,413
As % of all contract IT jobs advertised in England 33.72% 32.26% 28.92%
Number of daily rates quoted 21,847 18,805 20,090
England median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +6.25%
10th Percentile £315 £306 £290
90th Percentile £631 £613 £600
UK median daily rate £470 £440 £425
% change year-on-year +6.82% +3.53% +6.25%
Number of hourly rates quoted 333 354 392
England median hourly rate £42.50 £40.13 £38.00
Median hourly rate % change year-on-year +5.91% +5.61% +8.57%
10th Percentile £16.25 £17.53 £14.78
90th Percentile £66.30 £53.75 £57.00
UK median hourly rate £42.27 £40.00 £38.00
% change year-on-year +5.66% +5.26% +8.57%

D3.js
Job Vacancy Trend in England

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

Job vacancy trend for D3.js in England

D3.js
Contractor Daily Rate Trend in England

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

Contractor daily rate trend for D3.js in England

D3.js
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing D3.js in England over the 6 months to 21 June 2018.

Contractor daily rate histogram for D3.js in England

D3.js
Contractor Hourly Rate Trend in England

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

Contractor hourly rate trend for D3.js in England

D3.js
Contract Job Locations in England

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 England region over the 6 months to 21 June 2018. 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
London -135 125 £550 +10.00% 31
South East +54 87 £415 -7.78% 9
East of England +7 11 £400 +17.65% 5
South West +6 6 £225 -37.93% 7
East Midlands -14 2 - -
Midlands -27 2 - -
D3.js
UK

For the 6 months to 21 June 2018, IT contractor jobs citing D3.js also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the England region with a requirement for D3.js.

1 161 (69.70%) AngularJS
2 150 (64.94%) JavaScript
3 143 (61.90%) CSS
4 142 (61.47%) HTML
5 114 (49.35%) Agile Software Development
6 106 (45.89%) React
7 87 (37.66%) Node.js
8 82 (35.50%) HTML5
9 76 (32.90%) Front End Development
10 67 (29.00%) CSS3
11 63 (27.27%) Visualisation
12 55 (23.81%) Twitter Bootstrap
13 52 (22.51%) TypeScript
13 52 (22.51%) Vue (Vue.js)
14 49 (21.21%) User Experience
14 49 (21.21%) Web Development
15 46 (19.91%) jQuery
16 43 (18.61%) Redux
17 41 (17.75%) Java
18 40 (17.32%) Amazon AWS
18 40 (17.32%) Data Visualisation
19 37 (16.02%) Analytics
20 36 (15.58%) Open Source
21 35 (15.15%) TDD
22 34 (14.72%) webpack
23 33 (14.29%) SQL
24 32 (13.85%) Banking
25 31 (13.42%) Python
25 31 (13.42%) LESS
25 31 (13.42%) Analytical Skills

D3.js
Co-occurring IT Skills in England 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 (5.19%) Jupyter
2 11 (4.76%) Elasticsearch
3 6 (2.60%) Apache Spark
3 6 (2.60%) Predix
3 6 (2.60%) SAS
4 5 (2.16%) Apache
5 3 (1.30%) JBoss
5 3 (1.30%) nginx
5 3 (1.30%) Tomcat
6 1 (0.43%) Apache Solr
6 1 (0.43%) WordPress
Applications
1 8 (3.46%) Microsoft Excel
2 3 (1.30%) Adobe Illustrator
2 3 (1.30%) InVision
3 2 (0.87%) Microsoft Office
3 2 (0.87%) Microsoft Project
3 2 (0.87%) MS Visio
3 2 (0.87%) Pipeline Pilot
Cloud Services
1 40 (17.32%) Amazon AWS
2 22 (9.52%) Serverless
3 17 (7.36%) Microsoft Azure
3 17 (7.36%) npm
4 16 (6.93%) AWS Lambda
5 9 (3.90%) Amazon S3
5 9 (3.90%) OpenShift
6 8 (3.46%) Amazon SQS
7 6 (2.60%) IBM Cloud
8 4 (1.73%) Google Cloud Platform
8 4 (1.73%) SaaS
9 3 (1.30%) Cloud Computing
10 1 (0.43%) Amazon EC2
10 1 (0.43%) AWS Elastic Beanstalk
10 1 (0.43%) Google Analytics
Communications & Networking
1 9 (3.90%) HTTP
2 2 (0.87%) Internet
2 2 (0.87%) SMS
2 2 (0.87%) SNA
Database & Business Intelligence
1 29 (12.55%) Amazon DynamoDB
1 29 (12.55%) SQL Server
2 28 (12.12%) MySQL
3 17 (7.36%) NoSQL
3 17 (7.36%) PostgreSQL
4 15 (6.49%) Big Data
5 14 (6.06%) Data Mining
5 14 (6.06%) MongoDB
6 13 (5.63%) Relational Database
7 6 (2.60%) SQL Server 2012
8 5 (2.16%) Hadoop
8 5 (2.16%) Neo4j
8 5 (2.16%) QlikView
8 5 (2.16%) SQL Server 2016
9 3 (1.30%) GIS
9 3 (1.30%) MS Access
9 3 (1.30%) Qlik Sense
9 3 (1.30%) RDBMS
9 3 (1.30%) Spotfire
10 2 (0.87%) KNIME
Development Applications
1 34 (14.72%) webpack
2 27 (11.69%) Git (software)
3 23 (9.96%) gulp
4 21 (9.09%) Jasmine
5 15 (6.49%) Grunt
6 13 (5.63%) Jenkins
7 11 (4.76%) Bower
8 9 (3.90%) Babel
9 8 (3.46%) Karma Test Runner
10 7 (3.03%) Subversion
11 6 (2.60%) Octopus Deploy
12 5 (2.16%) TeamCity
13 4 (1.73%) Protractor
14 3 (1.30%) Bitbucket
14 3 (1.30%) Darcs
14 3 (1.30%) JIRA
14 3 (1.30%) Maven
14 3 (1.30%) PhantomJS
14 3 (1.30%) Vagrant
15 2 (0.87%) Rational Team Concert
General
1 32 (13.85%) Banking
2 29 (12.55%) Finance
3 18 (7.79%) Games
4 16 (6.93%) Investment Banking
5 15 (6.49%) Telecoms
6 13 (5.63%) Front Office
7 6 (2.60%) Retail
8 5 (2.16%) Financial Institution
9 4 (1.73%) Law
10 3 (1.30%) Prime Brokerage
11 1 (0.43%) Advertising
11 1 (0.43%) French Language
Job Titles
1 196 (84.85%) Developer
2 73 (31.60%) Front End Developer (Client-Side Developer)
3 61 (26.41%) JavaScript Developer
4 35 (15.15%) Angular Developer
5 28 (12.12%) Full Stack Developer
6 24 (10.39%) UI Developer
7 21 (9.09%) HTML Developer
7 21 (9.09%) Web Developer
8 18 (7.79%) React Developer
9 17 (7.36%) HTML CSS Developer
10 16 (6.93%) Java Developer
11 15 (6.49%) Front End Web Developer (Client-Side Developer)
12 13 (5.63%) Data Scientist
13 12 (5.19%) Node.js Developer
14 10 (4.33%) Agile Developer
14 10 (4.33%) Data Visualisation Developer
15 9 (3.90%) Front Office Developer
15 9 (3.90%) Senior Developer
16 8 (3.46%) C# Developer
17 7 (3.03%) Senior Front-End Developer
Libraries, Frameworks & Software Standards
1 161 (69.70%) AngularJS
2 143 (61.90%) CSS
3 142 (61.47%) HTML
4 106 (45.89%) React
5 87 (37.66%) Node.js
6 82 (35.50%) HTML5
7 67 (29.00%) CSS3
8 55 (23.81%) Twitter Bootstrap
9 52 (22.51%) Vue (Vue.js)
10 46 (19.91%) jQuery
11 43 (18.61%) Redux
12 31 (13.42%) LESS
13 27 (11.69%) Angular 2
14 26 (11.26%) REST
15 25 (10.82%) Sass
16 23 (9.96%) .NET
16 23 (9.96%) JSON
16 23 (9.96%) RxJS
17 22 (9.52%) GraphQL
17 22 (9.52%) RESTful
Miscellaneous
1 49 (21.21%) User Experience
2 31 (13.42%) Analytical Skills
2 31 (13.42%) Greenfield Project
3 17 (7.36%) Computer Science
4 10 (4.33%) Algorithms
5 9 (3.90%) Hedge funds
6 8 (3.46%) Fixed Income
6 8 (3.46%) Mobile App
7 7 (3.03%) Fat Client
7 7 (3.03%) Thin Client
8 6 (2.60%) Clustering
8 6 (2.60%) Enterprise Software
9 5 (2.16%) Equities
9 5 (2.16%) Fintech
9 5 (2.16%) Management Information System
10 4 (1.73%) Foreign Exchange (FX)
11 3 (1.30%) Animation
11 3 (1.30%) Derivative
11 3 (1.30%) OTC Derivatives
11 3 (1.30%) Social Network
Operating Systems
1 10 (4.33%) Linux
2 8 (3.46%) Android
3 4 (1.73%) CentOS
4 2 (0.87%) Apple iOS
4 2 (0.87%) Unix
4 2 (0.87%) Windows
5 1 (0.43%) Ubuntu
Processes & Methodologies
1 114 (49.35%) Agile Software Development
2 76 (32.90%) Front End Development
3 63 (27.27%) Visualisation
4 49 (21.21%) Web Development
5 40 (17.32%) Data Visualisation
6 37 (16.02%) Analytics
7 36 (15.58%) Open Source
8 35 (15.15%) TDD
9 29 (12.55%) Continuous Integration
9 29 (12.55%) Software Engineering
10 28 (12.12%) Data Science
11 26 (11.26%) Machine Learning
12 23 (9.96%) Mathematics
13 22 (9.52%) Scrum
14 21 (9.09%) OO
15 20 (8.66%) MVC
16 18 (7.79%) Data Modelling
16 18 (7.79%) Microservices
16 18 (7.79%) Responsive Web Design
16 18 (7.79%) Unit Testing
Programming Languages
1 150 (64.94%) JavaScript
2 52 (22.51%) TypeScript
3 41 (17.75%) Java
4 33 (14.29%) SQL
5 31 (13.42%) Python
6 28 (12.12%) C#
7 25 (10.82%) ES6
8 21 (9.09%) R
9 8 (3.46%) ES8
9 8 (3.46%) Scala
9 8 (3.46%) Shell Script
10 6 (2.60%) Java 8
11 5 (2.16%) C++
12 4 (1.73%) Groovy
13 3 (1.30%) Bash Shell
13 3 (1.30%) MATLAB
14 2 (0.87%) C
14 2 (0.87%) Go
14 2 (0.87%) PL/SQL
15 1 (0.43%) Data Analysis Expressions (DAX)
Qualifications
1 27 (11.69%) Degree
2 8 (3.46%) Computer Science Degree
3 7 (3.03%) Security Cleared
4 6 (2.60%) SC Cleared
5 5 (2.16%) Numerate Degree
6 2 (0.87%) PhD
7 1 (0.43%) Sun Certification
Quality Assurance & Compliance
1 3 (1.30%) QA
2 2 (0.87%) Data Quality
System Software
1 11 (4.76%) Docker
2 1 (0.43%) Apache Flume
Systems Management
1 13 (5.63%) Ansible
2 6 (2.60%) Puppet
3 4 (1.73%) Opscode Chef
4 2 (0.87%) Kubernetes
5 1 (0.43%) Control-M
5 1 (0.43%) Terraform
Vendors
1 22 (9.52%) Tableau
2 18 (7.79%) Google
3 11 (4.76%) Microsoft
4 6 (2.60%) Mapbox
5 5 (2.16%) Oracle
6 3 (1.30%) Adobe
7 2 (0.87%) Apple
7 2 (0.87%) IBM
8 1 (0.43%) Caplin
8 1 (0.43%) Cognos
8 1 (0.43%) MicroStrategy
8 1 (0.43%) Palantir
8 1 (0.43%) Rackspace
8 1 (0.43%) Salesforce.com