Spinny interview experience Real time questions & tips from candidates to crack your interview
SDE - 2
Spinny
3 rounds | 3 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 1.5 Months
Topics: Basic Data Structures, Low Level Design, OOP, High Level Design, System Architecture
Tip 1 : Prepare strings and arrays thoroughly.
Tip 2 : Know your language and common design patterns.
Tip 3 : Know a bit of dev ops and commonly used architecture for scaling.
Application process
Where: Other
Eligibility: Skill
Tip 1 : Mention and know your projects.
Tip 2 : Mention the value you bring to organisation.
Interview rounds
01
Round
Easy
Online Coding Test
Duration60 Minutes
Interview date3 Mar 2021
Coding problem1
Was based on basic data structures.
1. N Stacks In An Array
Hard
20m average time
80% success
0/120
Asked in companies
Design a data structure to implement ‘N’ stacks using a single array of size ‘S’. It should support the following operations:
push(X, M): Pushes an element X into the Mth stack. Returns true if the element is pushed into the stack, otherwise false.
pop(M): Pops the top element from Mth Stack. Returns -1 if the stack is empty, otherwise, returns the popped element.
Two types of queries denote these operations :
Type 1: for push(X, M) operation.
Type 2: for pop(M) operation.
02
Round
Medium
Video Call
Duration30 Minutes
Interview date3 Mar 2021
Coding problem1
Was based on low level design and design patterns
1. System Design Question
How do you design your class for a given problem set.
Problem approach
Tip 1 : Know your inputs and expected output.
Tip 2 : Know the design pattern appropriate for problem.
Tip 3 : Try to be verbose about what you are thinking of the problem and it’s solution.
03
Round
Hard
Video Call
Duration30 Minutes
Interview date3 Mar 2021
Coding problem1
High level system design
1. System Design Question
How would you scale a system for millions of concurrent user.
Problem approach
Tip 1 : Understand your problem and type of SLA you’ll have to offer.
Tip 2 : Know the services you’re gonna use.
Tip 3 : Know the database capabilities
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
How do you remove whitespace from the start of a string?
Choose another skill to practice
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