JSON
West London > Hillingdon
The table below provides summary statistics and salary benchmarking for jobs advertised in Hillingdon requiring JSON skills. It covers permanent job vacancies from the 6 months leading up to 30 January 2026, with comparisons to the same periods in the previous two years.
| 6 months to 30 Jan 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Rank | - | - | 15 |
| Rank change year-on-year | - | - | +12 |
| Permanent jobs citing JSON | 0 | 0 | 1 |
| As % of all permanent jobs in Hillingdon | - | - | 1.32% |
| As % of the Libraries, Frameworks & Software Standards category | - | - | 16.67% |
| Number of salaries quoted | 0 | 0 | 1 |
| Median annual salary (50th Percentile) | - | - | £58,000 |
| Median % change year-on-year | - | - | -10.77% |
| West London median annual salary | - | - | £66,500 |
| % change year-on-year | - | - | +20.91% |
All Software Libraries and Frameworks
Hillingdon
JSON 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 Hillingdon.
| Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills | 12 | 6 | 6 |
| As % of all permanent jobs advertised in Hillingdon | 7.55% | 14.63% | 7.89% |
| Number of salaries quoted | 11 | 5 | 4 |
| 10th Percentile | £31,250 | £57,568 | £55,900 |
| 25th Percentile | £40,375 | £57,670 | £57,250 |
| Median annual salary (50th Percentile) | £47,000 | £60,000 | £61,500 |
| Median % change year-on-year | -21.67% | -2.44% | +11.82% |
| 75th Percentile | £52,725 | £67,820 | £67,500 |
| 90th Percentile | £63,750 | - | - |
| West London median annual salary | £48,100 | £66,000 | £57,750 |
| % change year-on-year | -27.12% | +14.29% | +0.43% |
JSON
Job Vacancy Trend in Hillingdon
Historical trend showing the proportion of permanent IT job postings citing JSON relative to all permanent IT jobs advertised in Hillingdon.
JSON
Salary Trend in Hillingdon
Salary distribution trend for jobs in Hillingdon citing JSON.
