JSON
London > South London
The table below provides summary statistics and salary benchmarking for jobs advertised in South London requiring JSON skills. It covers permanent job vacancies from the 6 months leading up to 17 December 2025, with comparisons to the same periods in the previous two years.
|
|
6 months to
17 Dec 2025 |
Same period 2024 |
Same period 2023 |
| Rank |
31 |
80 |
53 |
| Rank change year-on-year |
+49 |
-27 |
+12 |
| Permanent jobs citing JSON |
16 |
5 |
5 |
| As % of all permanent jobs in South London |
3.53% |
0.91% |
1.27% |
| As % of the Libraries, Frameworks & Software Standards category |
43.24% |
3.23% |
5.81% |
| Number of salaries quoted |
1 |
1 |
4 |
| 10th Percentile |
- |
- |
£48,175 |
| 25th Percentile |
£67,500 |
- |
£69,438 |
| Median annual salary (50th Percentile) |
£70,000 |
£45,000 |
£82,500 |
| Median % change year-on-year |
+55.56% |
-45.45% |
+37.50% |
| 75th Percentile |
£72,500 |
- |
£85,313 |
| 90th Percentile |
- |
- |
£88,125 |
| London median annual salary |
£75,000 |
£70,000 |
£80,000 |
| % change year-on-year |
+7.14% |
-12.50% |
-3.03% |
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 South London.
| Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills |
37 |
155 |
86 |
| As % of all permanent jobs advertised in South London |
8.17% |
28.28% |
21.77% |
| Number of salaries quoted |
12 |
28 |
67 |
| 10th Percentile |
£52,400 |
£32,000 |
£41,000 |
| 25th Percentile |
£53,413 |
£49,090 |
£52,500 |
| Median annual salary (50th Percentile) |
£70,000 |
£60,000 |
£60,000 |
| Median % change year-on-year |
+16.67% |
- |
- |
| 75th Percentile |
£84,375 |
£65,000 |
£73,125 |
| 90th Percentile |
£104,250 |
£82,375 |
£78,750 |
| London median annual salary |
£85,000 |
£82,500 |
£80,000 |
| % change year-on-year |
+3.03% |
+3.13% |
- |
JSON
Job Vacancy Trend in South London
Historical trend showing the proportion of permanent IT job postings citing JSON relative to all permanent IT jobs advertised in South London.
JSON
Salary Trend in South London
Salary distribution trend for jobs in South London citing JSON.
JSON
Job Locations in South London
The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JSON within the South London region over the 6 months to 17 December 2025. 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 |
| Croydon |
+26 |
16 |
£70,000 |
- |
1 |
JSON
London |
JSON
Co-Occurring Skills & Capabilities in South 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:
