JavaScript (including ECMAScript)
Hertfordshire > Welwyn Garden City
The table below provides summary statistics and contractor rates for jobs advertised in Welwyn Garden City requiring JavaScript skills. It covers contract job vacancies from the 6 months leading up to 3 February 2026, with comparisons to the same periods in the previous two years.
| 6 months to 3 Feb 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Rank | 10 | - | 4 |
| Rank change year-on-year | - | - | +8 |
| Contract jobs citing JavaScript | 3 | 0 | 4 |
| As % of all contract jobs in Welwyn Garden City | 9.38% | - | 26.67% |
| As % of the Programming Languages category | 27.27% | - | 50.00% |
| Number of daily rates quoted | 2 | 0 | 0 |
| 10th Percentile | - | - | - |
| 25th Percentile | £663 | - | - |
| Median daily rate (50th Percentile) | £675 | - | - |
| 75th Percentile | £688 | - | - |
| 90th Percentile | - | - | - |
| Hertfordshire median daily rate | £475 | £425 | £413 |
| % change year-on-year | +11.76% | +3.03% | -15.38% |
All Programming Languages
Welwyn Garden City
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 Welwyn Garden City.
| Contract vacancies with a requirement for coding skills | 11 | 9 | 8 |
| As % of all contract IT jobs advertised in Welwyn Garden City | 34.38% | 23.08% | 53.33% |
| Number of daily rates quoted | 7 | 4 | 2 |
| 10th Percentile | £448 | - | £493 |
| 25th Percentile | £488 | £399 | £511 |
| Median daily rate (50th Percentile) | £675 | £400 | £544 |
| Median % change year-on-year | +68.96% | -26.53% | -22.32% |
| 75th Percentile | £763 | £412 | £573 |
| 90th Percentile | £838 | £435 | £589 |
| Hertfordshire median daily rate | £500 | £500 | £431 |
| % change year-on-year | - | +15.94% | -21.59% |
JavaScript
Job Vacancy Trend in Welwyn Garden City
Historical trend showing the proportion of contract IT job postings citing JavaScript relative to all contract IT jobs advertised in Welwyn Garden City.
JavaScript
Daily Rate Trend in Welwyn Garden City
Contractor daily rate distribution trend for jobs in Welwyn Garden City citing JavaScript.
JavaScript
Hourly Rate Trend in Welwyn Garden City
Contractor hourly rate distribution trend for jobs in Welwyn Garden City citing JavaScript.
JavaScript
Co-Occurring Skills & Capabilities in Welwyn Garden City 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: