Chai Assertion Library (Chai.js)
UK > Northern Ireland
The table below provides summary statistics and salary benchmarking for jobs advertised in Northern Ireland requiring Chai skills. It covers permanent job vacancies from the 6 months leading up to 14 January 2026, with comparisons to the same periods in the previous two years.
| 6 months to 14 Jan 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Rank | - | - | 46 |
| Rank change year-on-year | - | - | - |
| Permanent jobs citing Chai | 0 | 0 | 1 |
| As % of all permanent jobs in Northern Ireland | - | - | 0.30% |
| As % of the Libraries, Frameworks & Software Standards category | - | - | 1.11% |
| Number of salaries quoted | 0 | 0 | 1 |
| Median annual salary (50th Percentile) | - | - | £45,000 |
| UK median annual salary | - | £87,500 | £65,000 |
| % change year-on-year | - | +34.62% | +6.12% |
All Software Libraries and Frameworks
Northern Ireland
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 Northern Ireland.
| Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills | 50 | 90 | 90 |
| As % of all permanent jobs advertised in Northern Ireland | 9.86% | 22.73% | 27.27% |
| Number of salaries quoted | 30 | 25 | 72 |
| 10th Percentile | £55,000 | £46,713 | £38,250 |
| 25th Percentile | £68,813 | £50,000 | £41,875 |
| Median annual salary (50th Percentile) | £80,000 | £60,000 | £57,500 |
| Median % change year-on-year | +33.33% | +4.35% | +9.52% |
| 75th Percentile | £90,000 | £80,000 | £73,750 |
| 90th Percentile | £95,000 | £91,500 | £82,375 |
| UK median annual salary | £65,000 | £65,000 | £65,000 |
| % change year-on-year | - | - | -3.70% |