I applied through college or university. The process took 2 days. I interviewed at Oracle (Allahabad) in Jul 2016
Interview
First Round: Written Test containing 3 sections each having different fix time. The each question had fixed time too. Second and third round were Interviews with average difficulty.
Interview questions [1]
Question 1
Given an array of integers, find the length of the shortest possible subsequence of integers that are unordered. A set of integers are said to be unordered if they are neither decreasing nor increasing. [Hint: start checking if it is increasing/decreasing and return 0, else check if an unordered triplet exists. If it does, return 3, else 0]
1 technical phone screen covering basic networking and data structures, followed by a 4-round onsite loop focused heavily on Oracle Cloud Infrastructure (OCI) scale challenges. The rounds were split between low-level system execution, multi-tenant cloud architecture, and standard relational/non-relational database trade-offs. The interviewers kept drilling into network virtualization, hypervisors, and storage layers.
To prep, I needed to brush up on high-throughput cloud networking patterns and storage engine internals. I utilized Apex Interviewer to simulate full cloud infrastructure design problems.
Interview questions [1]
Question 1
Design a highly secure, multi-tenant virtual cloud network block storage migration system that allows live volume transfers between physical data centers without dropping active I/O operations.
Mostly coding question focused, and some talking about personal experience and terms. Some technical design, you could have chosen any language to complete the coding questions. Questions were simple technical concepts that person came up with at the moment.
Interview questions [1]
Question 1
Something like searching in logs using maps and filter/find data
decent amount of DSA and System design were asked, and behavioral questions. so prepare leetcode level questions and good amount knowledge in sql, java and also mostly oracle sql. overall it was good
