JSON
England > London
The table below provides summary statistics and contractor rates for jobs advertised in London requiring JSON skills. It covers contract job vacancies from the 6 months leading up to 17 March 2026, with comparisons to the same periods in the previous two years.
| 6 months to 17 Mar 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Rank | 196 | 216 | 182 |
| Rank change year-on-year | +20 | -34 | -1 |
| Contract jobs citing JSON | 213 | 136 | 234 |
| As % of all contract jobs in London | 1.30% | 1.06% | 1.28% |
| As % of the Libraries, Frameworks & Software Standards category | 5.17% | 4.07% | 5.29% |
| Number of daily rates quoted | 147 | 106 | 183 |
| 10th Percentile | £388 | £400 | £401 |
| 25th Percentile | £450 | £463 | £463 |
| Median daily rate (50th Percentile) | £550 | £530 | £550 |
| Median % change year-on-year | +3.77% | -3.64% | -4.35% |
| 75th Percentile | £738 | £625 | £613 |
| 90th Percentile | £838 | £738 | £699 |
| England median daily rate | £500 | £510 | £525 |
| % change year-on-year | -1.96% | -2.86% | -0.94% |
| Number of hourly rates quoted | 0 | 2 | 1 |
| Median hourly rate | - | £92.50 | £70.00 |
| Median % change year-on-year | - | +32.14% | -8.46% |
| England median hourly rate | £47.50 | £92.50 | £70.00 |
| % change year-on-year | -48.65% | +32.14% | -3.45% |
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 contract job vacancies requiring technical specification, industry standards, software libraries and framework skills in London.
| Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills | 4,119 | 3,343 | 4,427 |
| As % of all contract IT jobs advertised in London | 25.14% | 25.96% | 24.28% |
| Number of daily rates quoted | 2,793 | 2,310 | 3,339 |
| 10th Percentile | £363 | £385 | £381 |
| 25th Percentile | £425 | £450 | £463 |
| Median daily rate (50th Percentile) | £540 | £575 | £575 |
| Median % change year-on-year | -6.09% | - | -4.17% |
| 75th Percentile | £663 | £700 | £688 |
| 90th Percentile | £775 | £825 | £800 |
| England median daily rate | £525 | £538 | £540 |
| % change year-on-year | -2.33% | -0.46% | -6.09% |
| Number of hourly rates quoted | 23 | 17 | 28 |
| 10th Percentile | £28.60 | £34.30 | £16.25 |
| 25th Percentile | £35.13 | £38.50 | £26.41 |
| Median hourly rate | £47.00 | £45.00 | £42.35 |
| Median % change year-on-year | +4.44% | +6.27% | -34.85% |
| 75th Percentile | £61.36 | £65.00 | £63.56 |
| 90th Percentile | £69.75 | £80.10 | £76.13 |
| England median hourly rate | £65.00 | £65.00 | £48.72 |
| % change year-on-year | - | +33.42% | -25.05% |
JSON
Job Vacancy Trend in London
Historical trend showing the proportion of contract IT job postings citing JSON relative to all contract IT jobs advertised in London.
JSON
Daily Rate Trend in London
Contractor daily rate distribution trend for jobs in London citing JSON.
JSON
Daily Rate Histogram in London
Daily rate distribution for jobs citing JSON in London over the 6 months to 17 March 2026.
JSON
Hourly Rate Trend in London
Contractor hourly rate distribution trend for jobs in London citing JSON.
JSON
Contract Job Locations in London
The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the London region over the 6 months to 17 March 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 Contract IT Job Ads |
Median Daily Rate Past 6 Months |
Median Daily Rate % Change on Same Period Last Year |
Live Jobs |
|---|---|---|---|---|---|
| Central London | -7 | 31 | £503 | +0.55% | 18 |
| West London | -21 | 3 | - | - | 1 |
| South London | -16 | 2 | £625 | +31.58% | 1 |
| 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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