I applied through other source. The process took 2 weeks. I interviewed at Oracle (Cupertino, CA) in Apr 2015
Interview
I emailed a manager for Internal transfer. He replied back and set up a Phone interview with one of the Principal engineers. But eventually had 2 phone interviews.
The first interview was with the manager and second with the principal engineer.
I had to schedule interview 2-3 times because the Principal engineer couldn't come up with a time. Also, one time, we set up a time but the engineer never called. We had to setup again.
Apart from that, overall a positive experience. Will apply again after some months.
Interview questions [1]
Question 1
Reverse a node in O(n), Successor of a node in BST, MultiThreading and concurrency, Some basic MapReduce questions
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.
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
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
