Optum interview experience Real time questions & tips from candidates to crack your interview
Devops Engineer
Optum
2 rounds | 3 Coding
problems
Rejected
Interview preparation journey
Journey
I solved around 250 DSA questions in C++ and learned Python for development. Since it was a DevOps role, I also went through AWS and cloud basics from YouTube.
Application story
It was an on-campus recruitment, so we received a Google Form to apply. They were looking for 10-15 candidates. The drive was virtual, so we didn’t have to go anywhere.
Why selected/rejected for the role?
I was rejected because they were looking for a purely DevOps role and asked in-depth questions related to cloud and other DevOps tools.
Preparation
Duration: 1 month
Topics: DSA, Cloud, C++, Python, Dynamic programming
Tip 1: Go through the job description carefully.
Tip 2: Tailor your resume according to the job description.
Application process
Where: Campus
Eligibility: CSE IT and ECE branches were allowed only. (Salary Package: 10.8LPA)
Tip 1: Tailor it according to the job role.
Tip 2: Don't include something you're not familiar with.
Interview rounds
01
Round
Medium
Online Coding Interview
Duration90 minutes
Interview date1 Sep 2022
Coding problem1
It was an online round containing aptitude and DSA questions.
1. House Robber
Moderate
26m average time
0/80
Asked in companies
A thief wants to loot houses. He knows the amount of money in each house. He cannot loot two consecutive houses. Find the maximum amount of money he can loot.
Problem approach
Tip 1: Read the question thoroughly.
Tip 2: Don't waste too much time trying to pass all test cases.
02
Round
Medium
Video Call
Duration40 minutes
Interview date6 Sep 2022
Coding problem2
It was scheduled online around 11 am.
1. Cloud Questions
What are the different types of storage in AWS? (Learn)
Based on the cloud since it was a DevOps role.
Problem approach
Tip 1: Go through the basics of the cloud.
2. Maximum Subarray Sum
Moderate
25m average time
75% success
0/80
Asked in companies
Given an array of numbers, find the maximum sum of any contiguous subarray of the array.
For example, given the array [34, -50, 42, 14, -5, 86], the maximum sum would be 137, since we would take elements 42, 14, -5, and 86.
Given the array [-5, -1, -8, -9], the maximum sum would be -1.
Follow up: Do this in O(N) time.
Problem approach
Used Kadane's algorithm.
Here's your problem of the day 
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Skill covered: Programming
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