JavaScript (including ECMAScript)
Central London > City of Westminster
The table below provides summary statistics for permanent job vacancies advertised in the City of Westminster 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 22 June 2025, comparing them to the same period in the previous two years.
| 6 months to 22 Jun 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | 32 | 29 | 24 |
| Rank change year-on-year | -3 | -5 | -15 |
| Permanent jobs citing JavaScript | 9 | 12 | 1 |
| As % of all permanent jobs advertised in the City of Westminster | 5.23% | 6.45% | 1.12% |
| As % of the Programming Languages category | 16.98% | 14.63% | 2.27% |
| Number of salaries quoted | 3 | 5 | 1 |
| 10th Percentile | £31,500 | £41,500 | - |
| 25th Percentile | £31,875 | £55,000 | £140,000 |
| Median annual salary (50th Percentile) | £35,000 | £60,000 | £160,000 |
| Median % change year-on-year | -41.67% | -62.50% | +166.67% |
| 75th Percentile | £55,521 | £65,000 | £180,000 |
| 90th Percentile | £66,334 | £77,000 | - |
| Central London median annual salary | £75,000 | £75,000 | £75,000 |
| % change year-on-year | - | - | +7.14% |
All Programming Languages
City of Westminster
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 the City of Westminster.
| Permanent vacancies with a requirement for coding skills | 53 | 82 | 44 |
| As % of all permanent jobs advertised in the City of Westminster | 30.81% | 44.09% | 49.44% |
| Number of salaries quoted | 20 | 40 | 42 |
| 10th Percentile | £46,000 | £51,875 | £51,375 |
| 25th Percentile | £47,500 | £55,000 | £80,313 |
| Median annual salary (50th Percentile) | £62,500 | £75,000 | £100,000 |
| Median % change year-on-year | -16.67% | -25.00% | +48.15% |
| 75th Percentile | £68,750 | £97,500 | £111,250 |
| 90th Percentile | - | £115,000 | - |
| Central London median annual salary | £80,000 | £77,500 | £77,500 |
| % change year-on-year | +3.23% | - | +3.33% |
JavaScript
Job Vacancy Trend in the City of Westminster
Job postings citing JavaScript as a proportion of all IT jobs advertised in the City of Westminster.
JavaScript
Salary Trend in the City of Westminster
3-month moving average salary quoted in jobs citing JavaScript in the City of Westminster.
JavaScript
Salary Histogram in the City of Westminster
Salary distribution for jobs citing JavaScript in the City of Westminster over the 6 months to 22 June 2025.
JavaScript
Co-occurring Skills and Capabilities in the City of Westminster 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:
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