JSON
England > London
The table below provides summary statistics and salary benchmarking for jobs advertised in London requiring JSON skills. It covers permanent job vacancies from the 6 months leading up to 20 August 2026, with comparisons to the same periods in the previous two years.
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6 months to 20 Aug 2026 |
Same period 2025 | Same period 2024 |
|---|---|---|---|
| Rank | 320 | 277 | 284 |
| Rank change year-on-year | -43 | +7 | -87 |
| Permanent jobs citing JSON | 120 | 113 | 197 |
| As % of all permanent jobs in London | 0.50% | 0.93% | 1.01% |
| As % of the Libraries, Frameworks & Software Standards category | 3.00% | 3.24% | 3.62% |
| Number of salaries quoted | 80 | 66 | 145 |
| 10th Percentile | £40,000 | £46,960 | £42,500 |
| 25th Percentile | £59,688 | £50,000 | £51,250 |
| Median annual salary (50th Percentile) | £75,000 | £65,000 | £70,000 |
| Median % change year-on-year | +15.38% | -7.14% | - |
| 75th Percentile | £85,000 | £79,906 | £83,750 |
| 90th Percentile | £88,875 | £94,375 | £99,500 |
| England median annual salary | £62,500 | £60,000 | £60,000 |
| % change year-on-year | +4.17% | - | -7.69% |
All Software Libraries and Frameworks
London
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 London.
| Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills | 4,004 | 3,487 | 5,441 |
| As % of all permanent jobs advertised in London | 16.73% | 28.74% | 27.94% |
| Number of salaries quoted | 2,600 | 2,398 | 3,986 |
| 10th Percentile | £52,500 | £51,250 | £50,000 |
| 25th Percentile | £66,688 | £64,000 | £63,750 |
| Median annual salary (50th Percentile) | £85,000 | £82,500 | £85,000 |
| Median % change year-on-year | +3.03% | -2.94% | +6.25% |
| 75th Percentile | £100,000 | £110,000 | £112,500 |
| 90th Percentile | £120,000 | £132,500 | £142,500 |
| England median annual salary | £67,500 | £70,000 | £65,000 |
| % change year-on-year | -3.57% | +7.69% | -7.14% |
JSON
Job Vacancy Trend in London
Historical trend showing the proportion of permanent IT job postings citing JSON relative to all permanent IT jobs advertised in London.
JSON
Salary Trend in London
Salary distribution trend for jobs in London citing JSON.
JSON
Salary Histogram in London
Salary distribution for jobs citing JSON in London over the 6 months to 20 August 2026.
JSON
Job Locations in London
The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JSON within the London region over the 6 months to 20 August 2026. 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 Permanent IT Job Ads |
Median Salary Past 6 Months |
Median Salary % Change on Same Period Last Year |
Live Jobs |
|---|---|---|---|---|---|
| Central London | -18 | 6 | £85,000 | +36.00% | 16 |
| South London | -7 | 1 | £65,000 | - | |
| JSON England |
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JSON
Co-Occurring Skills & Capabilities in London 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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