Chai Assertion Library (Chai.js)
England > South East
The table below provides summary statistics for permanent job vacancies advertised in the South East requiring Chai skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited Chai over the 6 months leading up to 12 August 2025, comparing them to the same period in the previous two years.
| 6 months to 12 Aug 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | - | - | 336 |
| Rank change year-on-year | - | - | - |
| Permanent jobs citing Chai | 0 | 0 | 3 |
| As % of all permanent jobs advertised in the South East | - | - | 0.028% |
| As % of the Libraries, Frameworks & Software Standards category | - | - | 0.10% |
| Number of salaries quoted | 0 | 0 | 3 |
| 10th Percentile | - | - | - |
| 25th Percentile | - | - | £39,750 |
| Median annual salary (50th Percentile) | - | - | £41,500 |
| 75th Percentile | - | - | £46,000 |
| 90th Percentile | - | - | £47,650 |
| England median annual salary | £42,500 | £42,500 | £65,000 |
| % change year-on-year | - | -34.62% | +18.18% |
All Software Libraries and Frameworks
South East
Chai 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 the South East.
| Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills | 1,318 | 2,592 | 2,940 |
| As % of all permanent jobs advertised in the South East | 12.34% | 18.25% | 27.01% |
| Number of salaries quoted | 821 | 1,936 | 2,268 |
| 10th Percentile | £35,854 | £36,250 | £36,250 |
| 25th Percentile | £45,000 | £44,750 | £47,500 |
| Median annual salary (50th Percentile) | £62,500 | £55,000 | £60,000 |
| Median % change year-on-year | +13.64% | -8.33% | +4.35% |
| 75th Percentile | £73,000 | £70,000 | £75,000 |
| 90th Percentile | £85,700 | £82,500 | £88,750 |
| England median annual salary | £67,500 | £62,500 | £67,500 |
| % change year-on-year | +8.00% | -7.41% | +3.85% |
Chai
Job Vacancy Trend in the South East
Job postings citing Chai as a proportion of all IT jobs advertised in the South East.
Chai
Salary Trend in the South East
3-month moving average salary quoted in jobs citing Chai in the South East.