I applied through a staffing agency. The process took 6 weeks. I interviewed at Oracle (Bengaluru) in Feb 2022
Interview
Interview process generally takes 2-3 rounds followed by manager round.
First round will be coding.
Second round is technical round.
Third round is system design round.
The interview is average.
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
The process took 4 weeks. I interviewed at Oracle (Zürich) in Jun 2025
Interview
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.
Interview questions [1]
Question 1
Describe 3 different optimisations applied to LLM inference.
Senior Member of Technical Staff applicants have rated the interview process at Oracle with 3.4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 83% positive. To compare, the company-average is 64% positive. This is according to Glassdoor user ratings.
Candidates applying for Senior Member of Technical Staff roles take an average of 21 days to get hired, when considering 45 user submitted interviews for this role. To compare, the hiring process at Oracle overall takes an average of 33 days.
Common stages of the interview process at Oracle as a Senior Member of Technical Staff according to 45 Glassdoor interviews include:
One on one interview: 24%
Phone interview: 20%
Background check: 15%
Skills test: 15%
Group panel interview: 9%
Presentation: 5%
Personality test: 4%
IQ intelligence test: 4%
Drug test: 4%
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