JSON
Central London > City of Westminster
The table below provides summary statistics and contractor rates for jobs advertised in the City of Westminster requiring JSON skills. It covers contract job vacancies from the 6 months leading up to 13 December 2025, with comparisons to the same periods in the previous two years.
| 6 months to 13 Dec 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | 11 | 12 | - |
| Rank change year-on-year | +1 | - | - |
| Contract jobs citing JSON | 1 | 1 | 0 |
| As % of all contract jobs in the City of Westminster | 2.27% | 1.82% | - |
| As % of the Libraries, Frameworks & Software Standards category | 20.00% | 11.11% | - |
| Number of daily rates quoted | 1 | 1 | 0 |
| 10th Percentile | - | - | - |
| 25th Percentile | £761 | £463 | - |
| Median daily rate (50th Percentile) | £773 | £475 | - |
| Median % change year-on-year | +62.63% | - | - |
| 75th Percentile | £784 | £488 | - |
| 90th Percentile | - | - | - |
| Central London median daily rate | £500 | £506 | £540 |
| % change year-on-year | -1.23% | -6.25% | -4.21% |
All Software Libraries and Frameworks
City of Westminster
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 the City of Westminster.
| Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills | 5 | 9 | 7 |
| As % of all contract IT jobs advertised in the City of Westminster | 11.36% | 16.36% | 16.28% |
| Number of daily rates quoted | 4 | 8 | 7 |
| 10th Percentile | £479 | £498 | £365 |
| 25th Percentile | £484 | £513 | £431 |
| Median daily rate (50th Percentile) | £649 | £638 | £650 |
| Median % change year-on-year | +1.76% | -1.92% | +15.56% |
| 75th Percentile | £794 | £800 | £844 |
| 90th Percentile | £813 | £838 | £873 |
| Central London median daily rate | £550 | £595 | £600 |
| % change year-on-year | -7.56% | -0.83% | - |
JSON
Job Vacancy Trend in the City of Westminster
Historical trend showing the proportion of contract IT job postings citing JSON relative to all contract IT jobs advertised in the City of Westminster.
JSON
Daily Rate Trend in the City of Westminster
Contractor daily rate distribution trend for jobs in the City of Westminster citing JSON.
JSON
Contract Job Locations in the City of Westminster
The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the City of Westminster region over the 6 months to 13 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 Contract IT Job Ads |
Median Daily Rate Past 6 Months |
Median Daily Rate % Change on Same Period Last Year |
Live Jobs |
|---|---|---|---|---|---|
| Westminster | 0 | 1 | £773 | +62.63% | |
| JSON Central London |
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JSON
Co-Occurring Skills & Capabilities in the City of Westminster 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: