ByteDance Software Engineer interview experience

Before coding, I was pulled through topics like database internals (including things like B-tree and hash indexes), transaction management concepts like read committed variants, and how message queues and distributed computation fit together. It felt like the interviewers wanted the “why” behind the terminology, not just definitions.

When the time came for coding, it was still challenging—something like a tree traversal problem showed up, and the difficulty matched the earlier depth. One part that made the experience feel especially demanding was that it wasn’t only a LeetCode flow; there