JSON
South Wales > Cardiff
The table below provides summary statistics for contract job vacancies advertised in Cardiff requiring JSON skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited JSON over the 6 months leading up to 28 June 2025, comparing them to the same period in the previous two years.
| 6 months to 28 Jun 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | 21 | - | 21 |
| Rank change year-on-year | - | - | +26 |
| Contract jobs citing JSON | 8 | 0 | 15 |
| As % of all contract jobs advertised in Cardiff | 4.65% | - | 6.20% |
| As % of the Libraries, Frameworks & Software Standards category | 20.51% | - | 18.99% |
| Number of daily rates quoted | 2 | 0 | 4 |
| 10th Percentile | £367 | - | £201 |
| 25th Percentile | £373 | - | £202 |
| Median daily rate (50th Percentile) | £394 | - | £213 |
| Median % change year-on-year | - | - | -59.52% |
| 75th Percentile | £411 | - | £233 |
| 90th Percentile | £416 | - | £237 |
| South Wales median daily rate | £394 | - | £230 |
| % change year-on-year | - | - | -56.19% |
All Software Libraries and Frameworks
Cardiff
JSON 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 in Cardiff.
| Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills | 39 | 73 | 79 |
| As % of all contract IT jobs advertised in Cardiff | 22.67% | 31.33% | 32.64% |
| Number of daily rates quoted | 27 | 61 | 58 |
| 10th Percentile | £264 | £375 | £298 |
| 25th Percentile | £309 | £413 | £413 |
| Median daily rate (50th Percentile) | £405 | £500 | £525 |
| Median % change year-on-year | -19.00% | -4.76% | +5.00% |
| 75th Percentile | £492 | £550 | £587 |
| 90th Percentile | £588 | £600 | £641 |
| South Wales median daily rate | £405 | £489 | £548 |
| % change year-on-year | -17.14% | -10.85% | +2.24% |
JSON
Job Vacancy Trend in Cardiff
Job postings citing JSON as a proportion of all IT jobs advertised in Cardiff.
JSON
Contractor Daily Rate Trend in Cardiff
3-month moving average daily rate quoted in jobs citing JSON in Cardiff.
JSON
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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