Data-Driven Documents (D3)
East of England > Hertfordshire
The table below provides summary statistics and salary benchmarking for jobs advertised in Hertfordshire requiring D3.js skills. It covers permanent job vacancies from the 6 months leading up to 5 October 2026, with comparisons to the same periods in the previous two years.
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6 months to 5 Oct 2026 |
Same period 2025 | Same period 2024 |
|---|---|---|---|
| Rank | 105 | 76 | - |
| Rank change year-on-year | -29 | - | - |
| Permanent jobs citing D3.js | 1 | 3 | 0 |
| As % of all permanent jobs in Hertfordshire | 0.042% | 0.35% | - |
| As % of the Libraries, Frameworks & Software Standards category | 0.51% | 2.83% | - |
| Number of salaries quoted | 1 | 0 | 0 |
| Median annual salary (50th Percentile) | £45,000 | - | - |
| East of England median annual salary | £45,000 | - | - |
All Software Libraries and Frameworks
Hertfordshire
D3.js falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring technical specification, industry standards, software libraries and framework skills in Hertfordshire.
| Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills | 198 | 106 | 250 |
| As % of all permanent jobs advertised in Hertfordshire | 8.26% | 12.49% | 16.71% |
| Number of salaries quoted | 169 | 71 | 139 |
| 10th Percentile | £42,500 | £27,250 | £35,000 |
| 25th Percentile | £50,000 | £38,750 | £47,500 |
| Median annual salary (50th Percentile) | £62,500 | £55,000 | £65,000 |
| Median % change year-on-year | +13.64% | -15.38% | +6.12% |
| 75th Percentile | £73,750 | £60,000 | £75,000 |
| 90th Percentile | £96,500 | £75,000 | £95,000 |
| East of England median annual salary | £60,000 | £55,000 | £60,000 |
| % change year-on-year | +9.09% | -8.33% | - |
D3.js
Job Vacancy Trend in Hertfordshire
Historical trend showing the proportion of permanent IT job postings citing D3.js relative to all permanent IT jobs advertised in Hertfordshire.
D3.js
Salary Trend in Hertfordshire
Salary distribution trend for jobs in Hertfordshire citing D3.js.
D3.js
Job Locations in Hertfordshire
The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing D3.js within the Hertfordshire region over the 6 months to 5 October 2026. 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 Permanent IT Job Ads |
Median Salary Past 6 Months |
Median Salary % Change on Same Period Last Year |
Live Jobs |
|---|---|---|---|---|---|
| Borehamwood | - | 1 | £45,000 | - | 2 |
| D3.js East of England |
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D3.js
Co-Occurring Skills & Capabilities in Hertfordshire by Category
The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:
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