Some places have phone screens, and some don't. One company gave an easy leetcode problem as part of the phone screen, while in another case, one person actually spoke characters over the phone to me ("LinkedList", "left angle bracket", "String", "right angle bracket"). Some give take home questions. Some do a code review interview. Some dig into my resume during an interview, and some don't. Some companies had multiple interview sessions where I was asked the same question about my resume in each session by different people (wasting time). And so on.
So in general, I can and have passed over companies based on their hiring process.
The variations you’re talking about are quite minute. Whether someone asks you about your resume or asks you about your most technically challenging project is all relatively mundane stuff.
No company has thought through every little bit of their system and processes because no company has the time to be completely original, just like no human idea only has ideas that they thought up themselves instead of borrowing a bunch of ideas from school, books, and overheard conversation because they sound right.
It's ok to not have an answer.
Google gives even junior developers multi month projects to own, manage and complete. No Scrum shop gives developers that level of autonomy, not even to senior developers.
So to me the time I've spent working on Scrum projects feels like a sweatshop compared to how I could plan and structure development at Google. At Google I am free to collaborate with stakeholders, build prototypes and get feedback etc, as I see fit to complete the project. Or not do it when I don't feel it is needed, the important part isn't how I run the project but that I run it well. If you don't give your developers that level of autonomy then I'm not sure why you'd care much about developer competence at all. (I quit Google a few years ago though due to how the company was changing, but I'll never join a Scrum development team again)
