D3.js Contracts

Data-Driven Documents (D3)
UK

The table below provides summary statistics for contract job vacancies requiring D3.js skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited D3.js over the 6 months leading up to 8 May 2025, comparing them to the same period in the previous two years.

6 months to
8 May 2025
Same period 2024 Same period 2023
Rank 521 570 671
Rank change year-on-year +49 +101 +129
Contract jobs citing D3.js 8 17 23
As % of all contract jobs advertised in the UK 0.027% 0.039% 0.039%
As % of the Libraries, Frameworks & Software Standards category 0.12% 0.19% 0.17%
Number of daily rates quoted 2 15 8
10th Percentile £444 £311 £563
25th Percentile £472 £325 £684
Median daily rate (50th Percentile) £538 £380 £775
Median % change year-on-year +41.45% -50.97% +15.67%
75th Percentile £597 £546 £925
90th Percentile £621 £710 £933
UK excluding London median daily rate £625 £350 -
% change year-on-year +78.57% - -

All Software Libraries and Frameworks
UK

D3.js falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring technical specification, industry standards, software libraries and framework skills.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 6,605 8,912 13,621
As % of all contract IT jobs advertised in the UK 22.69% 20.66% 23.24%
Number of daily rates quoted 4,522 6,184 9,928
10th Percentile £363 £338 £400
25th Percentile £425 £425 £463
Median daily rate (50th Percentile) £525 £534 £550
Median % change year-on-year -1.69% -2.91% -
75th Percentile £650 £650 £675
90th Percentile £780 £775 £775
UK excluding London median daily rate £488 £500 £500
% change year-on-year -2.35% - -
Number of hourly rates quoted 113 241 153
10th Percentile £29.45 £21.25 £31.60
25th Percentile £51.06 £40.31 £50.00
Median hourly rate £65.00 £47.50 £65.00
Median % change year-on-year +36.84% -26.92% +30.65%
75th Percentile £68.75 £65.00 £75.00
90th Percentile £82.79 £75.00 £81.00
UK excluding London median hourly rate £65.00 £47.50 £64.00
% change year-on-year +36.84% -25.78% +29.29%

D3.js
Job Vacancy Trend

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

Job vacancy trend for D3.js in the UK

D3.js
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing D3.js.

Daily rate trend for D3.js in the UK

D3.js
Daily Rate Histogram

Daily rate distribution for jobs citing D3.js over the 6 months to 8 May 2025.

Daily rate histogram for D3.js in the UK

D3.js
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing D3.js.

Hourly rate trend for D3.js in the UK

D3.js
Top 8 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 8 May 2025. 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
Jobs
Work from Home +42 5 £450 -10.63% 13
England +60 4 £625 +64.47% 19
London +47 3 £625 -2.31% 11
UK excluding London +46 2 £625 +78.57% 11
North of England +19 2 £625 +56.25% 3
North West +12 1 £625 +77.94% 3
Yorkshire +5 1 - -
South West - 1 £625 - 1

D3.js
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (12.50%) Apache Spark
Applications
1 1 (12.50%) Microsoft Excel
Cloud Services
1 2 (25.00%) Power Platform
2 1 (12.50%) AWS
2 1 (12.50%) Azure
2 1 (12.50%) GCP
Database & Business Intelligence
1 2 (25.00%) Power BI
1 2 (25.00%) Tableau
2 1 (12.50%) Big Data
2 1 (12.50%) Data Mining
2 1 (12.50%) Hadoop
General
1 3 (37.50%) Aerospace
1 3 (37.50%) Automotive
2 1 (12.50%) Banking
2 1 (12.50%) Public Sector
2 1 (12.50%) Social Skills
Job Titles
1 3 (37.50%) Full-Stack Engineer
2 1 (12.50%) .NET Software Engineer
2 1 (12.50%) Architect
2 1 (12.50%) Data Architect
2 1 (12.50%) Data Scientist
2 1 (12.50%) Developer
2 1 (12.50%) Front-End Developer (Client-Side Developer)
2 1 (12.50%) Front-End Engineer (Client-Side Engineer)
2 1 (12.50%) Lead
2 1 (12.50%) Lead Data Scientist
2 1 (12.50%) Senior
2 1 (12.50%) Senior Architect
2 1 (12.50%) Senior Data Architect
2 1 (12.50%) Senior Data Scientist
2 1 (12.50%) Software Engineer
Libraries, Frameworks & Software Standards
1 6 (75.00%) React
2 3 (37.50%) Django
2 3 (37.50%) OAuth
2 3 (37.50%) OAuth2
3 1 (12.50%) .NET
3 1 (12.50%) Plotly
3 1 (12.50%) PyTorch
3 1 (12.50%) REST
3 1 (12.50%) scikit-learn
3 1 (12.50%) TensorFlow
Miscellaneous
1 1 (12.50%) Algorithms
1 1 (12.50%) IoT
1 1 (12.50%) Legacy Systems
1 1 (12.50%) Management Information System
1 1 (12.50%) SCADA
Processes & Methodologies
1 8 (100.00%) Visualisation
2 7 (87.50%) Data Visualisation
3 3 (37.50%) Fintech
3 3 (37.50%) Full-Stack Development
3 3 (37.50%) Mathematics
4 2 (25.00%) Business Intelligence
4 2 (25.00%) Data Science
4 2 (25.00%) Data Strategy
5 1 (12.50%) API Development
5 1 (12.50%) API Integration
5 1 (12.50%) Conceptual Models
5 1 (12.50%) Continuous Improvement
5 1 (12.50%) Database Optimisation
5 1 (12.50%) Front End Development
5 1 (12.50%) Logical Data Model
5 1 (12.50%) Performance Optimisation
5 1 (12.50%) Predictive Modelling
5 1 (12.50%) Problem-Solving
5 1 (12.50%) Sprint Planning
5 1 (12.50%) Statistical Modelling
Programming Languages
1 4 (50.00%) TypeScript
2 3 (37.50%) Python
2 3 (37.50%) SQL
3 1 (12.50%) C#
3 1 (12.50%) MATLAB
3 1 (12.50%) R
Qualifications
1 3 (37.50%) Degree
Quality Assurance & Compliance
1 1 (12.50%) Accessibility
Vendors
1 1 (12.50%) Databricks
1 1 (12.50%) Oracle