Huawei. They have system analysts, who are basically living documentation. There's also some overlap with 'team lead' in western orgs and I'd say they have similar pay. These folks are idle by default; they're meant to be interrupted and their main focus is mentoring. They also handle a lot of the PRs, code quality, documentation.
It's also not hard to onboard someone into the same role. They took me on for a similar role and it took me about a few weeks to be familiar with nearly all the code I was responsible for.
It's also not hard to onboard someone into the same role. They took me on for a similar role and it took me about a few weeks to be familiar with nearly all the code I was responsible for.