Strongly held but apparently not popular opinion: candidates should not be expected, and should refuse, to discuss confidential internals of their former employers.
There's no need to ask about anything confidential. Meta published a lot about their internal tech stacks, and they use plenty of open-source stuff. ZippyDB, Interview candidate can also talk about generic stuff, and I can drill on the theory or common practice.
There's no need to ask about anything confidential. Meta published a lot about their internal tech stacks, and they use plenty of open-source stuff. ZippyDB, Interview candidate can also talk about generic stuff, and I can drill on the theory or common practice.