Oracle Member Technical Staff Interview Questions, Process, and Tips

Round: Resume Shortlist
Experience: They came to recruit on campus in NIT Trichy. They had come for 4 profiles - Application Development, Server Technologies, MySQL and SUN microsystems
Tips: It's mostly about CGPA and your profile. Most of the people about CGPA of 7.00 we're shortlisted

Round: Problem Statement
Experience: 1) Reversing a linked list
2) K closest stars
3) Find the range of indices of occurrence of a duplicated number in a sorted array.
Tips: Easy questions. Do geeksforgeeks and leetcode and should be a breeze.

Round: Technical Interview
Experience: Explained in details about my projects and the reasoning behind the approaches followed.
Tips: Try to thoroughly know about your projects and the different approaches you took and then this round should be easy.

The interviewer does a lot of cross questioning so you should really know the project inside out.

Round: Technical Interview
Experience: Details discussion about the approach and the different ways of optimizing the space and time complexities.
Tips: It's a discussion where they are trying to gauge your ability to think through a problem and be able to discuss the complexities and why did you prefer your solution.

Round: Technical Interview
Experience: A median is the n/2th number in case n is odd or the average of (n/2 and (n+1)/2 ) numbers when n is even. So,for the first question I used two heaps. One minheap and one maxheap. The minheap is used to store the larger set of numbers and the max heap is used to store the smaller set of numbers. We try to maintain an even sized heaps. And then try to get the top of the max heap if n is odd, otherwise the average of the minheap and maxheap in case n is even. Had to code in C++.

Fisher-yates shuffle algorithm. Had to code in C++.
Tips: Standard Geeksforgeeks questions.

Skills: C++, MARKETING APTITUDE, SQL, Algorithmic Approach To Problem Solving, Data Structures

College Name: IIT Madras