RejectedOnsite

Four Onsite Rounds, Rejected After System Design

UberSoftware Engineer · Onsite · Feb 2026

Did the OA first, two questions. The first was a somewhat convoluted binary search problem (kind of like an elevator problem), and the second was a server throughput problem solved with a heap (at the time I only managed to write a recursive solution). After that was the tech screen. The interviewer gave a lock combination problem — find the minimum number of steps to unlock it, basically BFS. Th…

Shared by a candidate · reported Feb 2026. Interview formats change; use it as a guide, not a script.