HackerRank interview experience Real time questions & tips from candidates to crack your interview
SDE - Intern
HackerRank
2 rounds | 3 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 1.5 months
Topics: Data Structures, OOPS, System Design, Basic Algorithms, JavaScript, Basics of ReactJs
Tip 1 : Don't take your personal projects lightly
Tip 2 : If possible try to build something that is solving some kind of real world problem (problem can be very small as well)
Tip 3 : Practice basic System Designing
Application process
Where: Linkedin
Eligibility: No criteria
Tip 1 : Have at least 2 good projects on the resume.
Tip 2 : Have deep understanding of the projects and tech stack mentioned on the resume.
Tip 3 : Do mention any open source contributions that you may have done in the past.
Interview rounds
01
Round
Easy
Video Call
Duration30 minutes
Interview date3 May 2021
Coding problem1
This round was held using Zoom video call.
1. Wildcard Pattern Matching
Hard
50m average time
30% success
0/120
Asked in companies
Given a text and a wildcard pattern of size N and M respectively, implement a wildcard pattern matching algorithm that finds if the wildcard pattern is matched with the text. The matching should cover the entire text not partial text.
The wildcard pattern can include the characters ‘?’ and ‘*’
‘?’ – matches any single character
‘*’ – Matches any sequence of characters(sequence can be of length 0 or more)
02
Round
Medium
Video Call
Duration40 minutes
Interview date14 Sep 2022
Coding problem2
1. Technical Question
Asked to explain a High Level Design of one of my personal project.
Problem approach
Tip 1 : Have deep understanding of your project technologies and why and how have you used it in your project.
2. Technical Question
How will you render a grid of different size images?
Problem approach
Tip 1 : Have a good understanding of ReactJS, Javascript and CSS.
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 recursion?
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