Period
to 17 June 2019

The following table provides summary statistics for contract job vacancies advertised in the South West 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 17 June 2019 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)
England > South West
6 months to
17 Jun 2019
Same period 2018 Same period 2017
Rank 203 188 194
Rank change year-on-year -15 +6 -5
Contract jobs citing D3.js 13 5 6
As % of all contract IT jobs advertised in the South West 0.22% 0.10% 0.11%
As % of the Libraries, Frameworks & Software Standards category 0.80% 0.38% 0.40%
Number of daily rates quoted 7 2 4
South West median daily rate £450 £225 £363
Median daily rate % change year-on-year +100.00% -37.93% -4.61%
10th Percentile £370 £213 £313
90th Percentile £540 £238 £425
England median daily rate £550 £475 £500
% change year-on-year +15.79% -5.00% +11.11%
Number of hourly rates quoted 0 0 1
South West median hourly rate - - £42.50
England median hourly rate - - £42.50

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 the South West with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
South West
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 1,635 1,314 1,503
As % of all contract IT jobs advertised in the South West 27.20% 26.37% 28.68%
Number of daily rates quoted 1,092 835 954
South West median daily rate £450 £423 £400
Median daily rate % change year-on-year +6.51% +5.63% +9.59%
10th Percentile £313 £300 £273
90th Percentile £638 £563 £550
England median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +5.88%
Number of hourly rates quoted 33 15 39
South West median hourly rate £44.00 £44.50 £42.50
Median hourly rate % change year-on-year -1.12% +4.71% +3.98%
10th Percentile £22.40 £35.25 £31.25
90th Percentile £56.75 £51.50 £53.75
England median hourly rate £44.18 £42.38 £40.50
% change year-on-year +4.24% +4.65% +8.00%

D3.js
Job Vacancy Trend in the South West

Job postings citing D3.js as a percentage of all IT jobs advertised in the South West.

Job vacancy trend for D3.js in the South West

D3.js
Contractor Daily Rate Trend in the South West

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

Contractor daily rate trend for D3.js in the South West

D3.js
Contractor Daily Rate Histogram in the South West

The daily rate distribution of IT jobs citing D3.js in the South West over the 6 months to 17 June 2019.

Contractor daily rate histogram for D3.js in the South West

D3.js
Contract Job Locations in the South West

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 South West region over the 6 months to 17 June 2019. 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
Devon -2 4 £450 +100.00%
Somerset - 3 £375 -
Gloucestershire - 2 £500 -
Wiltshire - 1 £425 -
D3.js
England

For the 6 months to 17 June 2019, 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 South West region with a requirement for D3.js.

1 11 (84.62%) Python
2 10 (76.92%) CSS
2 10 (76.92%) HTML
3 9 (69.23%) JavaScript
3 9 (69.23%) Visualisation
4 8 (61.54%) Data Visualisation
5 6 (46.15%) TDD
5 6 (46.15%) Git (software)
5 6 (46.15%) AngularJS
5 6 (46.15%) webpack
5 6 (46.15%) gulp
6 5 (38.46%) React Native
6 5 (38.46%) ES6
6 5 (38.46%) Jasmine
6 5 (38.46%) Sass
6 5 (38.46%) Karma Test Runner
6 5 (38.46%) TypeScript
6 5 (38.46%) amCharts
6 5 (38.46%) Data Science
6 5 (38.46%) Cypress Semiconductor
6 5 (38.46%) NumPy
6 5 (38.46%) Machine Learning
6 5 (38.46%) HTML5
7 4 (30.77%) Balsamiq
7 4 (30.77%) Bash Shell
7 4 (30.77%) Continuous Integration
7 4 (30.77%) Groovy
7 4 (30.77%) Photoshop
7 4 (30.77%) Ruby
7 4 (30.77%) Statistical Analysis

D3.js
Co-occurring IT Skills in the South West 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 3 (23.08%) OpenStack
2 2 (15.38%) Elasticsearch
2 2 (15.38%) nginx
3 1 (7.69%) Apache Pig
3 1 (7.69%) Jupyter
Applications
1 4 (30.77%) Adobe XD
1 4 (30.77%) InVision
1 4 (30.77%) Photoshop
1 4 (30.77%) Zeplin
2 1 (7.69%) Weka
Cloud Services
1 3 (23.08%) Amazon AWS
2 2 (15.38%) Serverless
Communications & Networking
1 2 (15.38%) AMQP
Database & Business Intelligence
1 3 (23.08%) MongoDB
2 2 (15.38%) Hadoop
2 2 (15.38%) MariaDB
2 2 (15.38%) MySQL
2 2 (15.38%) Redis
3 1 (7.69%) Apache Cassandra
3 1 (7.69%) Apache Hive
3 1 (7.69%) Data Mining
3 1 (7.69%) HBase
3 1 (7.69%) NoSQL
Development Applications
1 6 (46.15%) Git (software)
1 6 (46.15%) gulp
1 6 (46.15%) webpack
2 5 (38.46%) Jasmine
2 5 (38.46%) Karma Test Runner
3 4 (30.77%) Balsamiq
3 4 (30.77%) GitLab
3 4 (30.77%) Jenkins
4 2 (15.38%) Cucumber
4 2 (15.38%) Maven
4 2 (15.38%) Selenium
4 2 (15.38%) Sikuli
4 2 (15.38%) SoapUI
General
1 1 (7.69%) Law
Job Titles
1 7 (53.85%) Developer
2 4 (30.77%) Data Scientist
3 3 (23.08%) Front End Developer (Client-Side Developer)
3 3 (23.08%) JavaScript Developer
4 2 (15.38%) Angular Developer
4 2 (15.38%) React Developer
5 1 (7.69%) HTML Developer
5 1 (7.69%) Software Engineer
Libraries, Frameworks & Software Standards
1 10 (76.92%) CSS
1 10 (76.92%) HTML
2 6 (46.15%) AngularJS
3 5 (38.46%) amCharts
3 5 (38.46%) HTML5
3 5 (38.46%) NumPy
3 5 (38.46%) React Native
3 5 (38.46%) Sass
4 4 (30.77%) Ionic Framework
4 4 (30.77%) Pandas
4 4 (30.77%) React
5 3 (23.08%) Node.js
6 2 (15.38%) Gherkin
6 2 (15.38%) Highcharts JS
6 2 (15.38%) LEMP Stack
6 2 (15.38%) RabbitMQ
6 2 (15.38%) Spring
6 2 (15.38%) Spring Boot
6 2 (15.38%) Spring Cloud
7 1 (7.69%) ggplot
Miscellaneous
1 4 (30.77%) User Experience
2 1 (7.69%) Algorithms
2 1 (7.69%) Analytical Skills
Operating Systems
1 3 (23.08%) Linux
Processes & Methodologies
1 9 (69.23%) Visualisation
2 8 (61.54%) Data Visualisation
3 6 (46.15%) TDD
4 5 (38.46%) Data Science
4 5 (38.46%) Machine Learning
5 4 (30.77%) Continuous Integration
5 4 (30.77%) Statistical Analysis
6 3 (23.08%) Front End Development
6 3 (23.08%) Software Engineering
6 3 (23.08%) Web Development
7 2 (15.38%) Microservices
8 1 (7.69%) Analytics
8 1 (7.69%) Anomaly Detection
8 1 (7.69%) Critical Thinking
8 1 (7.69%) Data Analytics
8 1 (7.69%) Decision-Making
8 1 (7.69%) Naive Bayes
8 1 (7.69%) Problem-Solving
8 1 (7.69%) Support Vector Machines
8 1 (7.69%) Systems Thinking
Programming Languages
1 11 (84.62%) Python
2 9 (69.23%) JavaScript
3 5 (38.46%) ES6
3 5 (38.46%) TypeScript
4 4 (30.77%) Bash Shell
4 4 (30.77%) C++
4 4 (30.77%) Groovy
4 4 (30.77%) Ruby
5 3 (23.08%) Java
5 3 (23.08%) R
6 2 (15.38%) Apple Swift
6 2 (15.38%) C
6 2 (15.38%) C#
6 2 (15.38%) Java 8
6 2 (15.38%) Objective-C
6 2 (15.38%) PHP
7 1 (7.69%) MATLAB
7 1 (7.69%) SQL
Qualifications
1 3 (23.08%) DV Cleared
1 3 (23.08%) Security Cleared
2 1 (7.69%) Computer Science Degree
2 1 (7.69%) Degree
System Software
1 2 (15.38%) Docker
Systems Management
1 2 (15.38%) Opscode Chef
1 2 (15.38%) Puppet
Vendors
1 5 (38.46%) Cypress Semiconductor
2 4 (30.77%) Adobe
3 1 (7.69%) Palantir
3 1 (7.69%) Tableau