Technical screen, loop round and Bartender round
1. Technical screen- One person from the hiring team do a tech screen to check tech skills at high level. mostly from your resume or in general tech stack.
2. Loop round are 3-4 and one will be with Hiring Manager.
3. Bartender round(BT) is a special round where in a person outside of the team will interview you. In general, it will be on Oracle OCI values and your resume but can be tech targeted as well, better to check with your loop interviewer.
Preguntas de entrevista [1]
Pregunta 1
BT round- questions around following ideas ... your biggest achievement/how do you handle conflict/what is the biggest thing you achieved as team/how do you handle difficult person/
plus questions from your resume.
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
El proceso tomó 4 semanas. Acudí a una entrevista en Oracle (Zúrich) en jun 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.
Preguntas de entrevista [1]
Pregunta 1
Describe 3 different optimisations applied to LLM inference.
