JavaScript (including ECMAScript)
East of England > Hertfordshire
The table below provides summary statistics and contractor rates for jobs advertised in Hertfordshire requiring JavaScript skills. It covers contract job vacancies from the 6 months leading up to 13 December 2025, with comparisons to the same periods in the previous two years.
| 6 months to 13 Dec 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | 21 | 23 | 64 |
| Rank change year-on-year | +2 | +41 | -15 |
| Contract jobs citing JavaScript | 45 | 24 | 6 |
| As % of all contract jobs in Hertfordshire | 7.20% | 5.54% | 0.82% |
| As % of the Programming Languages category | 24.19% | 20.34% | 2.69% |
| Number of daily rates quoted | 13 | 3 | 2 |
| 10th Percentile | - | £368 | £355 |
| 25th Percentile | £463 | £375 | £363 |
| Median daily rate (50th Percentile) | £500 | £425 | £375 |
| Median % change year-on-year | +17.65% | +13.33% | -21.05% |
| 75th Percentile | £575 | £581 | £388 |
| 90th Percentile | £659 | £653 | £395 |
| East of England median daily rate | £513 | £375 | £600 |
| % change year-on-year | +36.67% | -37.50% | +9.09% |
| Number of hourly rates quoted | 23 | 10 | 0 |
| 10th Percentile | £62.40 | £62.50 | - |
| 25th Percentile | - | - | - |
| Median hourly rate | £65.00 | £65.00 | - |
| 75th Percentile | £65.13 | - | - |
| 90th Percentile | £67.00 | £67.50 | - |
| East of England median hourly rate | £65.00 | £65.00 | £65.50 |
| % change year-on-year | - | -0.76% | +0.38% |
All Programming Languages
Hertfordshire
JavaScript falls under the Programming Languages category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring coding skills in Hertfordshire.
| Contract vacancies with a requirement for coding skills | 186 | 118 | 223 |
| As % of all contract IT jobs advertised in Hertfordshire | 29.76% | 27.25% | 30.55% |
| Number of daily rates quoted | 48 | 38 | 93 |
| 10th Percentile | £447 | £348 | £400 |
| 25th Percentile | £463 | £400 | £413 |
| Median daily rate (50th Percentile) | £550 | £478 | £500 |
| Median % change year-on-year | +15.12% | -4.45% | -9.09% |
| 75th Percentile | £675 | £584 | £650 |
| 90th Percentile | £739 | £636 | £704 |
| East of England median daily rate | £500 | £450 | £477 |
| % change year-on-year | +11.11% | -5.66% | -9.14% |
| Number of hourly rates quoted | 92 | 42 | 90 |
| 10th Percentile | £52.15 | £61.60 | - |
| 25th Percentile | £65.00 | - | £65.00 |
| Median hourly rate | £66.00 | £65.00 | £70.00 |
| Median % change year-on-year | +1.54% | -7.14% | +7.69% |
| 75th Percentile | £70.00 | £85.00 | £87.65 |
| 90th Percentile | £75.00 | £95.00 | £90.00 |
| East of England median hourly rate | £65.00 | £65.00 | £67.25 |
| % change year-on-year | - | -3.35% | +3.46% |
JavaScript
Job Vacancy Trend in Hertfordshire
Historical trend showing the proportion of contract IT job postings citing JavaScript relative to all contract IT jobs advertised in Hertfordshire.
JavaScript
Daily Rate Trend in Hertfordshire
Contractor daily rate distribution trend for jobs in Hertfordshire citing JavaScript.
JavaScript
Daily Rate Histogram in Hertfordshire
Daily rate distribution for jobs citing JavaScript in Hertfordshire over the 6 months to 13 December 2025.
JavaScript
Hourly Rate Trend in Hertfordshire
Contractor hourly rate distribution trend for jobs in Hertfordshire citing JavaScript.
JavaScript
Contract Job Locations in Hertfordshire
The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript within the Hertfordshire region over the 6 months to 13 December 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 |
|---|---|---|---|---|---|
| Stevenage | +2 | 31 | £475 | - | 16 |
| Watford | - | 4 | £550 | - | 14 |
| Welwyn Garden City | - | 2 | £675 | - | 1 |
| Hemel Hempstead | -2 | 1 | £500 | +25.00% | 10 |
| Hertford | - | 1 | £475 | - | |
| Hatfield | - | 1 | £425 | - | 3 |
| JavaScript East of England |
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JavaScript
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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