Chai Assertion Library (Chai.js)
England > South East
The table below provides summary statistics for contract job vacancies advertised in the South East requiring Chai skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited Chai over the 6 months leading up to 5 July 2025, comparing them to the same period in the previous two years.
| 6 months to 5 Jul 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | - | - | 219 |
| Rank change year-on-year | - | - | - |
| Contract jobs citing Chai | 0 | 0 | 1 |
| As % of all contract jobs advertised in the South East | - | - | 0.017% |
| As % of the Libraries, Frameworks & Software Standards category | - | - | 0.10% |
| Number of daily rates quoted | 0 | 0 | 0 |
| Median daily rate (50th Percentile) | - | - | - |
| England median daily rate | £550 | £500 | £550 |
| % change year-on-year | +10.00% | -9.09% | +22.22% |
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 contract job vacancies requiring technical specification, industry standards, software libraries and framework skills in the South East.
| Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills | 572 | 796 | 983 |
| As % of all contract IT jobs advertised in the South East | 17.44% | 13.98% | 16.80% |
| Number of daily rates quoted | 382 | 535 | 689 |
| 10th Percentile | £319 | £325 | £325 |
| 25th Percentile | £403 | £413 | £414 |
| Median daily rate (50th Percentile) | £500 | £525 | £525 |
| Median % change year-on-year | -4.76% | - | - |
| 75th Percentile | £584 | £621 | £625 |
| 90th Percentile | £638 | £650 | £706 |
| England median daily rate | £525 | £550 | £550 |
| % change year-on-year | -4.55% | - | -4.35% |
| Number of hourly rates quoted | 24 | 47 | 42 |
| 10th Percentile | £22.73 | £35.00 | £50.00 |
| 25th Percentile | £36.42 | £56.65 | £52.50 |
| Median hourly rate | £50.00 | £61.60 | £63.25 |
| Median % change year-on-year | -18.83% | -2.61% | +33.16% |
| 75th Percentile | £58.70 | £70.00 | £75.00 |
| 90th Percentile | £61.79 | £75.00 | £79.19 |
| England median hourly rate | £57.75 | £58.30 | £65.00 |
| % change year-on-year | -0.94% | -10.31% | +21.50% |
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
Contractor Daily Rate Trend in the South East
3-month moving average daily rate quoted in jobs citing Chai in the South East.