Seraphim011
There are always new authors being hired by Webnovel, but not everyone has an editor/reviewer yet. I've seen contract novels with hundreds of chapters that have received a lot of criticism from readers due to poor grammatical writing.
I'm not the best person to give advice, but I believe that editors/reviewers should seek out those authors who have just been hired and who don't yet have an editor/reviewer.
Another way is to look at the winning authors of the WPC (weekly contest), as they are the ones who have the highest chances of being hired, in addition to those who participate in the WSA (annual contest).
After that, editors/reviewers could put in their profile description the novels they are currently editing/reviewing or have worked on. Basically, using the profile description as a portfolio. This will attract the attention of those looking to hire editors/reviewers.