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Oracle Software Engineer interview: LRU cache and course ordering

OracleSoftware Engineer · Other · Jul 2026

The technical rounds were more demanding than I expected. The questions did not seem unfair, but the interviewer energy and live problem-solving pace kept me switching gears. I implemented an LRU cache and then worked on a course-prerequisite ordering problem, which made me think about ordering constraints as well as code. The final round was the most stressful. I had to maximize the area trapped…

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