Phone screening with hiring manager.
Technical phone interview with a senior engineer
Half a day onsite interview with teammates, manager and director. Technical questions on Java programming, database , Linux/Unix commands.
Technical Prep: Data Structures & Algorithms (DSA)
Oracle commonly asks Easy to Medium-level questions on HackerRank, focusing on efficiency and code quality.
Key Topics: Arrays, Strings, HashMaps, Linked Lists, Binary Trees, and Graphs.
Common Problems: Inverting a binary tree, merging sorted arrays, and finding the first non-repeating character in a string.
Focus: Practice communicating your thought process out loud ("think out loud") and optimizing for both time and space complexity.
1st round elimination.
4 rounds of loop interview.
Loop rounds- 1 DSA Hard
HLD
LLD
Bar Raiser round.
Interview experience was average. First interviewer was not supportive in DSA. In spite of giving 3 solutions, he wanted to hear one that he had predetermined
O processo levou 4 semanas. Fui entrevistado pela Oracle (Zurique) em jun. de 2025
Entrevista
Was for a position at one of their labs and took a bit under a month.
1. Screening call with HR with basic behavioural/experience question.
2. 2x technical interviews (LLMs, parallelism, databases, etc) with coding components.
3. Hiring manager interview (behavioural, technical).
Overall the interviewers were timely, pleasant and reasonable. Often they asked questions about many different areas and went more in depth based on my experience.
Perguntas de entrevista [1]
Pergunta 1
Describe 3 different optimisations applied to LLM inference.
