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Infinity Learn Software Engineer Interview Questions, Process, and Tips

Updated 19 Jan 2024

Infinity Learn Software Engineer Interview Experiences

1 interview found

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

(5 Questions)

  • Q1. Explain solid principles
  • Ans. 

    SOLID principles are a set of design principles that help in creating maintainable and scalable software.

    • S - Single Responsibility Principle: A class should have only one reason to change.

    • O - Open-Closed Principle: Software entities should be open for extension but closed for modification.

    • L - Liskov Substitution Principle: Subtypes must be substitutable for their base types.

    • I - Interface Segregation Principle: Clients ...

  • Answered by AI
  • Q2. What are the concepts introduced in java 8
  • Ans. 

    Java 8 introduced several new concepts including lambda expressions, functional interfaces, streams, and default methods.

    • Lambda expressions enable functional programming and simplify code.

    • Functional interfaces are interfaces with a single abstract method, used for lambda expressions.

    • Streams provide a way to process collections of data in a functional and parallel manner.

    • Default methods allow adding new methods to exist...

  • Answered by AI
  • Q3. What is the difference between collect and collections
  • Ans. 

    collect is a method in Java 8 Stream API used to accumulate elements into a collection, while collections is a package in Java that provides various data structures and algorithms for working with collections.

    • collect is a method in Java 8 Stream API

    • collect is used to accumulate elements into a collection

    • collections is a package in Java

    • collections provides data structures and algorithms for working with collections

  • Answered by AI
  • Q4. How to implement multiple inheritance in java
  • Ans. 

    Multiple inheritance is not directly supported in Java, but it can be achieved using interfaces and abstract classes.

    • Java supports single inheritance, where a class can only extend one superclass.

    • To achieve multiple inheritance, we can use interfaces to define additional behaviors and abstract classes to provide common implementation.

    • A class can implement multiple interfaces, inheriting their methods and constants.

    • An a...

  • Answered by AI
  • Q5. What is jpa repository
  • Ans. 

    JPA Repository is an interface provided by Spring Data JPA that provides CRUD operations for working with databases.

    • JPA Repository is part of the Spring Data JPA framework.

    • It provides an abstraction layer for working with databases.

    • It allows developers to perform CRUD (Create, Read, Update, Delete) operations without writing SQL queries.

    • JPA Repository uses the Java Persistence API (JPA) to interact with the database.

    • It...

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 120 minutes
Round difficulty - Easy

It was a mix of mathematical aptitude, logical ability, and puzzles along with 2 programming questions of easy and medium level. Time was enough and no sectional time was present. 1-2 MCQs on SQL were also present.

This round was immediately followed by an SHL aptitude test which was basically a quick limited time check of your verbal ability and math because many questions were to be done in 1 hour.

  • Q1. 

    Boolean Matrix Transformation Challenge

    Given a 2-dimensional boolean matrix mat of size N x M, your task is to modify the matrix such that if any element is 1, set its entire row and column to 1. Specifi...

  • Ans. 

    Modify a boolean matrix such that if any element is 1, set its entire row and column to 1.

    • Iterate through the matrix and mark rows and columns to be modified

    • Use additional arrays to keep track of rows and columns to be modified

    • Update the matrix in-place based on the marked rows and columns

  • Answered by AI
Round 2 - Video Call 

Round duration - 60 minutes
Round difficulty - Easy

It was an online video interview round on HackerEarth with simultaneous code option. It was mostly justifying your resume in the first 15 minutes. After that OOPS was majorly asked. Basics of programming including questions on STL were asked. A class which required inheritance was asked by the interviewer to write. I was helped by the interviewer if i got stuck somewhere, Some questions on implementation of hashmaps and priority queues were also asked. A puzzle was asked which luckily struct to me at that moment.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Dronacharya College of Engineering. I applied for the job as Software Engineer in DelhiEligibility criteria7 CGPAToppr interview preparation:Topics to prepare for the interview - DBMS, OOPS, Data structures, Dynamic Programming, Graphs, Algorithms, Sorting searching, Compiler designTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Never give up
Tip 2 : When u start a topic, don't move on to next topic before you are 100% confident in previous topic
Tip 3 : Try to give maximum time on basics of a topic especially OOPS
Tip 4 - Practice Atleast 250 Questions
Tip 5 - Ex- Do atleast 2 projects

Application resume tips for other job seekers

Tip 1 : Write only those things in resume in which you are 100% confident
Tip 2 : Write maximum projects you have and be ready to explain them thoroughly
Tip 3 : Don't make any silly spelling mistakes on resume

Final outcome of the interviewSelected

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 before May 2021.

Round 1 - Video Call 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Easy

It was an coding round

  • Q1. 

    The Skyline Problem

    Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette when viewed from a distance. Each building is ...

  • Ans. 

    Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette.

    • Iterate through the buildings and create a list of critical points (x, y) where the height changes.

    • Sort the critical points based on x-coordinate and process them to form the skyline.

    • Merge consecutive horizontal segments of equal height into one to ensure no duplicates.

    • Return the fin...

  • Answered by AI
  • Q2. 

    Rat in a Maze Problem Statement

    You need to determine all possible paths for a rat starting at position (0, 0) in a square maze to reach its destination at (N-1, N-1). The maze is represented as an N*N ma...

  • Ans. 

    Find all possible paths for a rat in a maze from source to destination.

    • Use backtracking to explore all possible paths in the maze.

    • Keep track of visited cells to avoid revisiting them.

    • Recursively try moving in all directions (up, down, left, right) until reaching the destination.

    • Return a list of strings representing valid paths sorted in alphabetical order.

  • Answered by AI
Round 2 - HR 

Round duration - 30 Minutes
Round difficulty - Easy

It was an HR round with some general questions. it was just for formality.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAupgrad interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic ProgrammingTime required to prepare for the interview - 3 MonthsInterview preparation tips for other job seekers

Tip 1 : Stay focused
Tip 2 : Practice coding questions.
Tip 3 : View previous interviews of the companies

Application resume tips for other job seekers

Tip 1 : Don't lie on resume
Tip 2 : Just write in format that is catchy

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Job Portal and was interviewed before Nov 2023. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Question on Binary trees: if symmetric, easy string question using hashmap
  • Q2. If we are hosting a live test how to show real time ranking, HLD for this and what algorithms can we use
Round 2 - Technical 

(1 Question)

  • Q1. Database schema design for a feature where user can be free, gold, platinum.
  • Ans. 

    Use a user table with a column for user type (free, gold, platinum)

    • Create a user table with columns for user ID, name, email, user type

    • Use a separate table for user types with columns for type ID and type name

    • Establish a one-to-many relationship between user and user type tables

    • Example: user table - user_id, name, email, type_id; user_type table - type_id, type_name

  • Answered by AI
Round 3 - Technical 

(1 Question)

  • Q1. HLD for live rank dashboard for a live test where millions of users are doing test
  • Ans. 

    High-level design for a live rank dashboard for a live test with millions of users.

    • Use a scalable architecture to handle millions of users concurrently.

    • Implement real-time data processing to update ranks dynamically.

    • Utilize caching mechanisms to improve performance and reduce load on the database.

    • Design a user-friendly interface with intuitive data visualization.

    • Include features for filtering, sorting, and searching to

  • Answered by AI

Skills evaluated in this interview

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

Coding test around front end using react

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

(1 Question)

  • Q1. Concepts of node and Js
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in May 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Explain request lifecycle in rails?
  • Ans. 

    Request lifecycle in Rails involves routing, controller actions, rendering views, and responding to the client.

    • 1. Request comes in through the browser or API endpoint.

    • 2. Rails router determines which controller and action to route the request to.

    • 3. Controller action processes the request, interacts with the model, and prepares data for the view.

    • 4. View template is rendered with the data from the controller.

    • 5. Response ...

  • Answered by AI
  • Q2. Code Merge Sort using Ruby
  • Ans. 

    Implement Merge Sort algorithm in Ruby

    • Divide the array into two halves recursively

    • Merge the sorted halves back together

    • Use a helper method to merge the two halves

  • Answered by AI

Skills evaluated in this interview

I applied via LinkedIn and was interviewed in May 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Basic questions of the tech stack that I applied for.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare for the technologies you apply and just be confident because they want hire someone who is confident know at least basics of the tech stack.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Aug 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Explain about Event loop
  • Ans. 

    Event loop is a mechanism that allows for asynchronous programming by handling events and callbacks.

    • Event loop is responsible for handling and executing events and callbacks in a non-blocking manner.

    • It continuously checks the event queue and processes events one by one.

    • Event loop is commonly used in JavaScript for handling asynchronous operations like setTimeout, setInterval, and AJAX requests.

  • Answered by AI
Round 3 - Coding Test 

Ask to create a database design and API for a todo list app

Round 4 - HR 

(1 Question)

  • Q1. Why do you want to join Byjus

Skills evaluated in this interview

Infinity Learn Interview FAQs

How many rounds are there in Infinity Learn Software Engineer interview?
Infinity Learn interview process usually has 1 rounds. The most common rounds in the Infinity Learn interview process are Technical.
What are the top questions asked in Infinity Learn Software Engineer interview?

Some of the top questions asked at the Infinity Learn Software Engineer interview -

  1. What is the difference between collect and collecti...read more
  2. What are the concepts introduced in jav...read more
  3. How to implement multiple inheritance in j...read more

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Infinity Learn Software Engineer Interview Process

based on 1 interview

Interview experience

4
  
Good
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Infinity Learn Software Engineer Salary
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₹4.9 L/yr - ₹6.4 L/yr
34% less than the average Software Engineer Salary in India
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Infinity Learn Software Engineer Reviews and Ratings

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3.9/5

Rating in categories

3.9

Skill development

3.8

Work-life balance

3.1

Salary

3.4

Job security

3.9

Company culture

2.8

Promotions

3.6

Work satisfaction

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