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Trie Question, Five-Round Virtual Onsite, and an Unprofessional HR Twist

OracleSoftware Engineer · Onsite · Sep 2025

Phone screen (1 round): the interviewer ran the call (I remember his title was something like "senior engineer," though the way it was phrased sounded more like "elderly engineer"). He gave a trie + backtracking question. The prompt: the user types in a string prefix, and you return the 5 most similar existing words. You need to implement two APIs: a. add a word; b. search for a word. If fewer th…

Shared by a candidate · reported Sep 2025. Interview formats change; use it as a guide, not a script.