JavaScript (including ECMAScript)
Kensington and Chelsea > Chelsea
The table below provides summary statistics for permanent job vacancies advertised in Chelsea requiring JavaScript skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited JavaScript over the 6 months leading up to 29 July 2025, comparing them to the same period in the previous two years.
| 6 months to 29 Jul 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | 9 | - | - |
| Rank change year-on-year | - | - | - |
| Permanent jobs citing JavaScript | 2 | 0 | 0 |
| As % of all permanent jobs advertised in Chelsea | 13.33% | - | - |
| As % of the Programming Languages category | 50.00% | - | - |
| Number of salaries quoted | 1 | 0 | 0 |
| 10th Percentile | - | - | - |
| 25th Percentile | £88,750 | - | - |
| Median annual salary (50th Percentile) | £92,500 | - | - |
| 75th Percentile | £96,250 | - | - |
| 90th Percentile | - | - | - |
| Kensington and Chelsea median annual salary | £92,500 | - | - |
All Programming Languages
Chelsea
JavaScript falls under the Programming Languages category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring coding skills in Chelsea.
| Permanent vacancies with a requirement for coding skills | 4 | 1 | 9 |
| As % of all permanent jobs advertised in Chelsea | 26.67% | 4.76% | 60.00% |
| Number of salaries quoted | 1 | 1 | 9 |
| 10th Percentile | - | - | £63,500 |
| 25th Percentile | £88,750 | £83,750 | £73,750 |
| Median annual salary (50th Percentile) | £92,500 | £87,500 | £80,000 |
| Median % change year-on-year | +5.71% | +9.38% | +23.08% |
| 75th Percentile | £96,250 | £91,250 | £85,000 |
| 90th Percentile | - | - | £87,500 |
| Kensington and Chelsea median annual salary | £92,500 | £87,500 | £80,000 |
| % change year-on-year | +5.71% | +9.38% | +23.08% |
JavaScript
Job Vacancy Trend in Chelsea
Job postings citing JavaScript as a proportion of all IT jobs advertised in Chelsea.
JavaScript
Salary Trend in Chelsea
3-month moving average salary quoted in jobs citing JavaScript in Chelsea.
JavaScript
Co-occurring Skills and Capabilities in Chelsea by Category
The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories: