Zeta interview experience Real time questions & tips from candidates to crack your interview
Principal Engineer
Zeta
4 rounds | 5 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 5 Months
Topics: Coding, Algo, High Level Design, Low Level Design, Problem Solving
Tip 1 : Be strong in design
Tip 2 : Know about your previous project in depth (challenges and how did you solve them)
Tip 3 : Take care of edge cases
Application process
Where: Referral
Eligibility: No criteria
Tip 1 : Limit it to page 1
Tip 2 : Remove hobbies, personal details
Interview rounds
01
Round
Medium
Video Call
Duration60 Minutes
Interview date2 Mar 2022
Coding problem2
1. System Design Question
Design a tiny url service
Problem approach
Tip 1 : How do you handle scaling
Tip 2 : How do you generate a unique/ short value (time, user etc) to avoid conflicts
2. Reverse of a number
Easy
0/40
Asked in companies
Write a program to generate the reverse of a given number N. Print the corresponding reverse number.
Note : If a number has trailing zeros, then its reverse will not include them. For e.g., reverse of 10400 will be 401 instead of 00401.
02
Round
Medium
Video Call
Duration60 Minutes
Interview date11 Mar 2022
Coding problem1
1. System Design Question
Design a google drive storage system
Problem approach
Tip 1 : How do you handle 5GB videos
Tip 2 : Retry mechanism, failure scenarios
03
Round
Medium
Video Call
Duration60 Minutes
Interview date23 Mar 2022
Coding problem1
1. System Design Question
Design Multilevel Parking Lot
Problem approach
Tip 1 : Be clear on classes and inheritance
Tip 2 : Be clear on constructors in parent/ child class
Tip 3 : Use enums wherever possible
04
Round
Medium
Face to Face
Duration60 Minutes
Interview date1 Apr 2022
Coding problem1
1. System Design Question
Design auction bidding service along with top 3 bids per auction
Problem approach
Tip 1 : Handle for scale
Tip 2 : Handle async processing
Tip 3 : Use heaps in cache value store
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
What is the purpose of the return keyword?
Choose another skill to practice
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