TikTok Software Engineer interview experience

The process was fast-paced enough that I felt like I had to already be in “coding interview shape” before I even reached the live rounds. I took an OA that was heavy enough to make the later steps feel like they were coming soon no matter what.

After that, I went into technical interviews where the questions were very LeetCode-oriented, often medium-to-harder in difficulty. One round included a classic cache-style problem, and another moved into more advanced dynamic programming territory—both felt like the kind of questions where you either have the right approach early or you end up