Sinon.JS
England > London
The table below provides summary statistics and salary benchmarking for jobs advertised in London requiring Sinon.JS skills. It covers permanent job vacancies from the 6 months leading up to 13 January 2026, with comparisons to the same periods in the previous two years.
| 6 months to 13 Jan 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Rank | - | - | 449 |
| Rank change year-on-year | - | - | +237 |
| Permanent jobs citing Sinon.JS | 0 | 0 | 3 |
| As % of all permanent jobs in London | - | - | 0.016% |
| As % of the Development Applications category | - | - | 0.13% |
| Number of salaries quoted | 0 | 0 | 3 |
| 10th Percentile | - | - | - |
| 25th Percentile | - | - | £71,250 |
| Median annual salary (50th Percentile) | - | - | £72,500 |
| Median % change year-on-year | - | - | -4.92% |
| 75th Percentile | - | - | £73,750 |
| 90th Percentile | - | - | - |
| England median annual salary | - | £57,500 | £72,500 |
| % change year-on-year | - | -20.69% | -4.92% |
All Development Application Skills
London
Sinon.JS falls under the Development Applications category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring development application skills in London.
| Permanent vacancies with a requirement for development application skills | 1,211 | 1,783 | 2,261 |
| As % of all permanent jobs advertised in London | 8.65% | 11.57% | 12.34% |
| Number of salaries quoted | 811 | 1,032 | 1,933 |
| 10th Percentile | £41,250 | £50,125 | £50,000 |
| 25th Percentile | £55,000 | £57,500 | £58,750 |
| Median annual salary (50th Percentile) | £72,500 | £75,000 | £75,000 |
| Median % change year-on-year | -3.33% | - | - |
| 75th Percentile | £90,000 | £100,000 | £96,250 |
| 90th Percentile | £110,000 | £117,500 | £115,000 |
| England median annual salary | £60,000 | £62,500 | £65,000 |
| % change year-on-year | -4.00% | -3.85% | - |
Sinon.JS
Job Vacancy Trend in London
Historical trend showing the proportion of permanent IT job postings citing Sinon.JS relative to all permanent IT jobs advertised in London.
Sinon.JS
Salary Trend in London
Salary distribution trend for jobs in London citing Sinon.JS.
