JavaScript (including ECMAScript)
South Wales > Cardiff
The table below provides summary statistics for permanent job vacancies advertised in Cardiff requiring JavaScript skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited JavaScript over the 6 months leading up to 11 July 2025, comparing them to the same period in the previous two years.
| 6 months to 11 Jul 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | 17 | 11 | 13 |
| Rank change year-on-year | -6 | +2 | -8 |
| Permanent jobs citing JavaScript | 16 | 82 | 51 |
| As % of all permanent jobs advertised in Cardiff | 6.53% | 10.25% | 9.43% |
| As % of the Programming Languages category | 34.78% | 32.03% | 24.40% |
| Number of salaries quoted | 15 | 76 | 46 |
| 10th Percentile | £52,500 | £31,250 | £30,315 |
| 25th Percentile | - | £41,250 | £37,500 |
| Median annual salary (50th Percentile) | £60,000 | £53,750 | £50,000 |
| Median % change year-on-year | +11.63% | +7.50% | -4.76% |
| 75th Percentile | £67,500 | £67,500 | £70,188 |
| 90th Percentile | £75,000 | £77,500 | £96,250 |
| South Wales median annual salary | £61,250 | £52,500 | £48,074 |
| % change year-on-year | +16.67% | +9.21% | -8.43% |
All Programming Languages
Cardiff
JavaScript falls under the Programming Languages category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring coding skills in Cardiff.
| Permanent vacancies with a requirement for coding skills | 46 | 256 | 209 |
| As % of all permanent jobs advertised in Cardiff | 18.78% | 32.00% | 38.63% |
| Number of salaries quoted | 42 | 228 | 159 |
| 10th Percentile | £46,635 | £37,500 | £36,085 |
| 25th Percentile | £52,500 | £42,750 | £42,500 |
| Median annual salary (50th Percentile) | £60,000 | £55,000 | £55,000 |
| Median % change year-on-year | +9.09% | - | +4.76% |
| 75th Percentile | £70,592 | £67,500 | £67,500 |
| 90th Percentile | £75,194 | £77,500 | £77,500 |
| South Wales median annual salary | £62,000 | £52,144 | £52,500 |
| % change year-on-year | +18.90% | -0.68% | - |
JavaScript
Job Vacancy Trend in Cardiff
Job postings citing JavaScript as a proportion of all IT jobs advertised in Cardiff.
JavaScript
Salary Trend in Cardiff
3-month moving average salary quoted in jobs citing JavaScript in Cardiff.
JavaScript
Salary Histogram in Cardiff
Salary distribution for jobs citing JavaScript in Cardiff over the 6 months to 11 July 2025.
JavaScript
Co-occurring Skills and Capabilities in Cardiff 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:
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