Reactive Extensions for JavaScript (RxJS)
England > London
The table below provides summary statistics for permanent job vacancies advertised in London requiring RxJS skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited RxJS over the 6 months leading up to 26 August 2025, comparing them to the same period in the previous two years.
| 6 months to 26 Aug 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | 392 | 464 | 490 |
| Rank change year-on-year | +72 | +26 | +127 |
| DemandTrendPermanent jobs citing RxJS | 8 | 8 | 29 |
| As % of all permanent jobs advertised in London | 0.063% | 0.039% | 0.12% |
| As % of the Libraries, Frameworks & Software Standards category | 0.23% | 0.16% | 0.38% |
| Number of salaries quoted | 4 | 4 | 29 |
| 10th Percentile | £84,875 | £46,500 | £61,250 |
| 25th Percentile | £86,563 | £48,750 | £66,250 |
| Median annual salary (50th Percentile) | £112,500 | £82,500 | £80,000 |
| Median % change year-on-year | +36.36% | +3.13% | -11.11% |
| 75th Percentile | £130,000 | £110,000 | £87,500 |
| 90th Percentile | - | - | £110,000 |
| England median annual salary | £87,500 | £60,000 | £72,500 |
| % change year-on-year | +45.83% | -17.24% | -10.77% |
All Software Libraries and Frameworks
London
RxJS falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring technical specification, industry standards, software libraries and framework skills in London.
| DemandTrendPermanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills | 3,419 | 5,012 | 7,590 |
| As % of all permanent jobs advertised in London | 26.79% | 24.66% | 31.31% |
| Number of salaries quoted | 2,161 | 3,533 | 6,399 |
| 10th Percentile | £50,500 | £50,000 | £50,000 |
| 25th Percentile | £63,750 | £62,500 | £62,500 |
| Median annual salary (50th Percentile) | £82,500 | £85,000 | £80,000 |
| Median % change year-on-year | -2.94% | +6.25% | +3.23% |
| 75th Percentile | £111,250 | £115,000 | £100,000 |
| 90th Percentile | £135,000 | £142,500 | £120,000 |
| England median annual salary | £67,500 | £62,500 | £67,500 |
| % change year-on-year | +8.00% | -7.41% | +3.85% |
RxJS
Job Vacancy Trend in London
Job postings citing RxJS as a proportion of all IT jobs advertised in London.
RxJS
Salary Trend in London
Salary distribution trend for jobs in London citing RxJS.
RxJS
Salary Histogram in London
Salary distribution for jobs citing RxJS in London over the 6 months to 26 August 2025.
RxJS
Co-occurring Skills and Capabilities in London 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: