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Quizizz Senior Software Engineer Interview Questions and Answers

Updated 20 May 2022

Quizizz Senior Software Engineer Interview Experiences

1 interview found

I was interviewed in Apr 2022.

Round 1 - Telephonic Call 

(1 Question)

Round duration - 55 Minutes
Round difficulty - Easy

Timing - evening
Interviewer was friendly.

  • Q1. 

    Number of Islands Problem Statement

    You are provided with a 2-dimensional matrix having N rows and M columns, containing only 1s (land) and 0s (water). Your goal is to determine the number of islands in t...

  • Ans. 

    Count the number of islands in a 2D matrix of 1s and 0s.

    • Iterate through the matrix and perform depth-first search (DFS) to find connected 1s.

    • Mark visited cells to avoid redundant calculations.

    • Increment island count whenever a new island is encountered.

  • Answered by AI
Round 2 - Telephonic Call 

(2 Questions)

Round duration - 55 Minutes
Round difficulty - Easy

Timing - afternoon
Interviewer was friendly

  • Q1. 

    Move Zeroes to End

    Given an unsorted array of integers, rearrange the elements such that all the zeroes are moved to the end, while maintaining the order of non-zero elements.

    Input:

    The first line cont...
  • Ans. 

    Given an unsorted array of integers, move all zeroes to the end while maintaining the order of non-zero elements.

    • Iterate through the array and maintain two pointers, one for the current position and one for the position to swap with.

    • If the current element is non-zero, swap it with the element at the swap pointer and increment the swap pointer.

    • After iterating through the array, fill the remaining positions with zeroes.

    • E...

  • Answered by AI
  • Q2. 

    Asteroid Collision Problem Description

    Given an array/list ASTEROIDS representing asteroids aligned in a row, each element's absolute value identifies the asteroid's size, while its sign indicates the dir...

  • Ans. 

    Determine the state of asteroids after collisions occur in a row.

    • Iterate through the array of asteroids and simulate collisions between adjacent asteroids moving in opposite directions.

    • If two asteroids collide, the larger one survives while the smaller one is destroyed.

    • Continue this process until no more collisions can occur.

    • Return the array of remaining asteroids after all collisions have been resolved.

  • Answered by AI
Round 3 - Telephonic Call 

Round duration - 55 Minutes
Round difficulty - Easy

Timing - evening
interviewer was friendly

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Senior Software Engineer in BangaloreEligibility criteriaExperienceQuizizz Inc. interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, Low Level Design, High Level Design, Machine LearningTime required to prepare for the interview - 1 MonthInterview preparation tips for other job seekers

Tip 1 : Practice DSA/Algorithms.
Tip 2 : Practice LLD and OOPs concepts. Also, do check how data models/database schema should be.
Tip 3 : Practice System Design from the Alex Xu - System Design Interview book.

Application resume tips for other job seekers

Tip 1 : Do not put false things on your resume.
Tip 2 : Should know your resume in and out.

Final outcome of the interviewRejected

Skills evaluated in this interview

Interview questions from similar companies

I applied via LinkedIn and was interviewed before Sep 2021. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. DS and algorithm questions
Round 2 - Technical 

(1 Question)

  • Q1. IOS /Skillset questions some tricky questions
Round 3 - HR 

(1 Question)

  • Q1. Personality and Compensation discussion

Interview Preparation Tips

Interview preparation tips for other job seekers - Study fundamentals of your profile/domain
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Jul 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - One-on-one 

(3 Questions)

  • Q1. Basics of js and react
  • Q2. What are closures and give an example
  • Ans. 

    Closures are functions that have access to variables from their outer scope even after the outer function has finished executing.

    • Closures are created when a function is defined within another function and has access to the outer function's variables.

    • They can access variables from the outer function even after the outer function has returned.

    • Closures are commonly used in event handlers and callbacks in JavaScript.

  • Answered by AI
  • Q3. What is event loop and features of es5
  • Ans. 

    Event loop is a mechanism that allows JavaScript to perform non-blocking operations by handling asynchronous events.

    • Event loop is responsible for executing code, collecting and processing events, and executing queued sub-tasks.

    • ES5 features include strict mode, JSON object, Array methods like forEach, map, filter, and reduce, and Object.create method.

    • ES5 also introduced new methods for manipulating strings, such as trim

  • Answered by AI
Round 3 - One-on-one 

(1 Question)

  • Q1. General management round and past experience

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Basic aptitude questions

Round 2 - Coding Test 

Linked list, array, tree and graph questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well aptitude and coding
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Sep 2023. There were 4 interview rounds.

Round 1 - Coding Test 

Two Medium DSA problem to solve

Round 2 - Technical 

(1 Question)

  • Q1. Design scalable Streaming pipeline and
  • Ans. 

    Design a scalable streaming pipeline for processing large volumes of data.

    • Use a distributed streaming framework like Apache Kafka or Apache Flink for real-time data processing.

    • Implement data partitioning and parallel processing to handle high data throughput.

    • Utilize cloud services like AWS Kinesis or Google Cloud Pub/Sub for scalability and reliability.

    • Include fault tolerance mechanisms like checkpointing and data repl...

  • Answered by AI
Round 3 - Technical 

(1 Question)

  • Q1. LLD round , write classes and its methods
Round 4 - HR 

(1 Question)

  • Q1. Salary and benefits discussion

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Explian oops concepts
  • Ans. 

    Object-oriented programming concepts that focus on classes and objects for better code organization and reusability.

    • Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

    • Inheritance: Ability of a class to inherit properties and behavior from another class.

    • Polymorphism: Ability to present the same interface for different data types.

    • Abstraction: Hiding the complex implementation det...

  • Answered by AI
  • Q2. Types of waits in selenium
  • Ans. 

    Types of waits in Selenium include implicit, explicit, and fluent waits.

    • Implicit wait: Waits for a certain amount of time before throwing a NoSuchElementException.

    • Explicit wait: Waits for a certain condition to occur before proceeding further in the code.

    • Fluent wait: Waits for a condition to be true with a specified frequency of checking.

    • Example: driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Salary dsicussion
  • Q2. Previous company details

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(1 Question)

  • Q1. Why you want to join ?
  • Ans. 

    I am excited about the opportunity to work on challenging projects and contribute to a talented team.

    • Passionate about software development and problem-solving

    • Interested in working on cutting-edge technologies

    • Excited about collaborating with a talented team to create innovative solutions

  • Answered by AI
Round 2 - Coding Test 

Linkedlist, tree, logical

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Nov 2023. There were 2 interview rounds.

Round 1 - Coding Test 

They give a standard application to develop in mvvm or clean architecture, don't forget to write unit tests

Round 2 - One-on-one 

(5 Questions)

  • Q1. Mostly discuss on the implementation of the project you've done in round one
  • Q2. Flutter is addon
  • Ans. 

    Flutter is a UI toolkit for building natively compiled applications for mobile, web, and desktop from a single codebase.

    • Flutter is an open-source framework developed by Google.

    • It uses the Dart programming language.

    • Flutter allows for hot reload, which enables developers to see changes instantly.

    • It provides a rich set of pre-built widgets for building user interfaces.

    • Flutter can be used to create apps for iOS, Android, w

  • Answered by AI
  • Q3. Explain about compose way of thinking.
  • Ans. 

    Compose way of thinking involves breaking down complex problems into smaller, manageable parts and then combining them to create a solution.

    • Break down a problem into smaller components

    • Solve each component individually

    • Combine the solutions to create a complete solution

    • Example: Using functions to break down a complex task into smaller functions and then combining them to achieve the desired outcome

  • Answered by AI
  • Q4. Difference between presenter and viewmodel
  • Q5. Explain about lifecycle of view
  • Ans. 

    Lifecycle of view refers to the stages a view goes through from creation to destruction in an application.

    • Creation: View is initialized and loaded into memory.

    • Layout: View is positioned and sized on the screen.

    • Display: View is rendered and displayed to the user.

    • Interaction: User interacts with the view through input events.

    • Destruction: View is removed from memory when no longer needed.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Good experience, and practical questions and friendly talk.

Skills evaluated in this interview

I applied via Job lever and was interviewed before Sep 2021. There were 2 interview rounds.

Round 1 - Coding Test 

Easy leetcode code 2 questions , HTML5 css javascript simple screen design

Round 2 - One-on-one 

(1 Question)

  • Q1. Oop, Simple coding javascript, react basic, sql basic

Interview Preparation Tips

Interview preparation tips for other job seekers - Take it easy and go with confidence which matters most

I was interviewed in Aug 2022.

Round 1 - Coding Test 

2 hrs duration with 2 easy level dsa questions and 15 around mcqs based on core cs concepts.

Round 2 - Technical 

(2 Questions)

  • Q1. Implement stack using linked list.
  • Ans. 

    Implementing stack using linked list

    • Create a Node class with data and next pointer

    • Create a Stack class with top pointer

    • Implement push() method to add element to top of stack

    • Implement pop() method to remove element from top of stack

    • Implement peek() method to return top element without removing it

  • Answered by AI
  • Q2. Print first duplicate value in a string.
  • Ans. 

    Find the first duplicate value in an array of strings.

    • Create a hash table to store the frequency of each string.

    • Iterate through the array and check if the string already exists in the hash table.

    • If it does, return the string. If not, add it to the hash table.

    • If no duplicates are found, return null or an appropriate message.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Revise basic dsa and cs core concepts.
Can do Blind 75 for practice.

Skills evaluated in this interview

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Quizizz Senior Software Engineer Salary
based on 7 salaries
₹25 L/yr - ₹67.5 L/yr
207% more than the average Senior Software Engineer Salary in India
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Quizizz Senior Software Engineer Reviews and Ratings

based on 2 reviews

3.1/5

Rating in categories

3.5

Skill development

2.1

Work-life balance

4.5

Salary

1.5

Job security

1.5

Company culture

2.5

Promotions

3.5

Work satisfaction

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