Atlassian has Jira, Confluence, and Bitbucket - and their cross-platform search is getting better all the time. Confluence has AI search as well, so you can ask questions in natural language. I believe the underlying AI product is called Rovo.
we administer a coding challenge designed to ensure people can do some basic coding - we don't even have them compile it. But we have caught people who start talking about using a B tree to solve fizzbuzz and we know they're not a fit. It's useful as an initial screener.
MVP bugs me sometimes - because oftentimes it is all you end up with. Yeah, it's minimally viable, but wouldn't it be nice to build something with bells and whistles and actually delights users?
demonstrated expertise in one or more domains, can guide other professionals, sets and enforces standards, knows how to manage up and communicate to stakeholders, IT project management knowledge
This is a good answer although I think someone with this ability is approaching the level of lead. It's an ideal senior, but many seniors don't demonstrate all of these qualities.
At a bare minimum I think you're looking at someone who has a solid understanding of the code base and business they're working in.