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Foundit Senior Software Engineer Interview Questions and Answers

Updated 21 Sep 2024

Foundit Senior Software Engineer Interview Experiences

2 interviews found

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

1st round was DSA, Algo round with 2 questions

Round 2 - Behavioral 

(1 Question)

  • Q1. Left view of binary tree
  • Ans. 

    Left view of a binary tree is the set of nodes visible when the tree is viewed from the left side.

    • Traverse the tree level by level from left to right

    • Keep track of the first node encountered at each level

    • Use a queue data structure for level order traversal

  • Answered by AI

Skills evaluated in this interview

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

I applied via Naukri.com and was interviewed before Sep 2023. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Dynamic programming
  • Q2. Multi-threading
Round 2 - Technical 

(1 Question)

  • Q1. Water holding capacity in btw building
  • Ans. 

    Water holding capacity in between building refers to the ability of a building to retain water without leaking or flooding.

    • Water holding capacity can be influenced by the type of materials used in construction.

    • Proper waterproofing techniques can improve a building's water holding capacity.

    • Drainage systems play a crucial role in managing excess water around a building.

    • Examples: using waterproof membranes on roofs, insta

  • Answered by AI

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Interview questions from similar companies

I applied via Recruitment Consultant and was interviewed in May 2021. There were 4 interview rounds.

Interview Questionnaire 

10 Questions

  • Q1. First-round was an online test on hacker rank. There were 4 questions related to the array, string, and tree.
  • Q2. Create an immutable class.
  • Ans. 

    An immutable class is a class whose instances cannot be modified after creation.

    • Make all fields private and final

    • Don't provide any setter methods

    • Ensure that any mutable objects passed to the constructor are defensively copied

    • Make the class final so that it cannot be subclassed

  • Answered by AI
  • Q3. Create a Singelton pattern.
  • Ans. 

    Singleton pattern ensures only one instance of a class is created and provides a global point of access to it.

    • Create a private constructor to prevent direct instantiation of the class.

    • Create a private static instance of the class.

    • Create a public static method to access the instance, and create the instance if it doesn't exist.

    • Ensure thread safety by using synchronized keyword or double-checked locking.

  • Answered by AI
  • Q4. Difference between Vector and ArrayList.
  • Ans. 

    Vector is synchronized and ArrayList is not. Vector is thread-safe and ArrayList is not.

    • Vector is a legacy class and ArrayList is a part of the Java Collection Framework.

    • Vector is synchronized which means only one thread can access it at a time, while ArrayList is not.

    • Vector is thread-safe which means it can be used in a multi-threaded environment, while ArrayList is not.

    • Vector is slower than ArrayList because of synch...

  • Answered by AI
  • Q5. Create Linked List without using the internal library and provide the functionality of add delete find.
  • Ans. 

    Create Linked List without using internal library and provide add, delete, find functionality.

    • Create a Node class with data and next pointer

    • Create a LinkedList class with head pointer and methods to add, delete, and find nodes

    • Use a loop to traverse the list and perform operations

    • Handle edge cases such as adding to an empty list or deleting the head node

  • Answered by AI
  • Q6. One question was related to binary search.
  • Q7. Few more questions related to java.
  • Q8. The architecture of the current system.
  • Ans. 

    The current system follows a microservices architecture.

    • The system is divided into multiple independent services.

    • Each service has its own database and communicates with other services through APIs.

    • The architecture allows for scalability and flexibility.

    • Examples of microservices used in the system include user authentication, payment processing, and inventory management.

  • Answered by AI
  • Q9. Find the total no of the island in a 2d matrix. Working code was required.
  • Ans. 

    Find the total no of islands in a 2D matrix.

    • Use DFS or BFS to traverse the matrix.

    • Mark visited cells to avoid repetition.

    • Count the number of islands found.

  • Answered by AI
  • Q10. Find loop in a linked list.
  • Ans. 

    Loop detection in a linked list.

    • Use two pointers, one moving at twice the speed of the other.

    • If there is a loop, the faster pointer will eventually catch up to the slower one.

    • If there is no loop, the faster pointer will reach the end of the list.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Before the interview brush up on the Linked list, Tree, and array. This is a common interview problem asked in Snapdeal.

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Mar 2022. There were 5 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 tips
Round 2 - Coding Test 

Mettle Test based on DP based approach

Round 3 - Technical 

(1 Question)

  • Q1. Based on Tree, Graph, Segment Tree
Round 4 - Technical 

(1 Question)

  • Q1. DS algo based on DP, Trees, Graphs
Round 5 - Technical 

(3 Questions)

  • Q1. Systed Design Round 1
  • Q2. Design a Distributed Queue to have functionality similar to Kafka.
  • Ans. 

    Design a distributed queue similar to Kafka.

    • Use a distributed architecture with multiple brokers and partitions.

    • Implement a publish-subscribe model for producers and consumers.

    • Ensure fault tolerance and high availability through replication and leader election.

    • Use a log-based storage system for messages and offsets.

    • Provide support for message ordering and retention policies.

    • Implement a scalable and efficient message de...

  • Answered by AI
  • Q3. Design Price Tagger System
  • Ans. 

    Design a Price Tagger System

    • Identify the products to be tagged with prices

    • Determine the pricing strategy (e.g. cost-plus, value-based, etc.)

    • Choose the appropriate tagging technology (e.g. barcode, RFID, etc.)

    • Develop a user-friendly interface for tagging and updating prices

    • Implement a database to store product and pricing information

    • Integrate with point-of-sale systems for accurate pricing at checkout

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare DS and Algo and System Design questions alot and do lot of practice

Skills evaluated in this interview

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

I applied via Referral and was interviewed before Mar 2023. There was 1 interview round.

Round 1 - Coding Test 

Basic coding test from hackerearth.

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

(1 Question)

  • Q1. Design Search Systems
  • Ans. 

    Designing search systems involves creating efficient algorithms and data structures to quickly retrieve relevant information.

    • Understand the data structure of the search system (e.g. inverted index, trie)

    • Implement efficient search algorithms (e.g. binary search, hash tables)

    • Consider scalability and performance optimization techniques (e.g. caching, indexing)

    • Include user-friendly features like autocomplete and spell corr...

  • Answered by AI

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in May 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Data Structures related 2 round & 1 round system Design

Interview Preparation Tips

Interview preparation tips for other job seekers - Work on DS and Design skills. No graphs and DP problems were asked
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Jan 2023. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Rotate matrix by 90 degree
  • Ans. 

    Rotate a matrix by 90 degrees.

    • Transpose the matrix

    • Reverse each row of the transposed matrix

  • Answered by AI
  • Q2. Longest substring with unique characters
  • Ans. 

    The question asks for finding the longest substring in a given string that contains only unique characters.

    • Iterate through the string and keep track of the current substring

    • Use a set to check for duplicate characters

    • Update the longest substring if a longer one is found

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. A trie question
Round 3 - Case Study 

Ecommerce hight level design

Interview Preparation Tips

Interview preparation tips for other job seekers - be prepared

Skills evaluated in this interview

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

(2 Questions)

  • Q1. Node JS internal
  • Q2. Previous project discussion
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
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 tips
Round 2 - Technical 

(1 Question)

  • Q1. Sharding, sql vs nosql, project discussion and tradoffs
Round 3 - HR 

(1 Question)

  • Q1. Behavior and culture questions

Foundit Interview FAQs

How many rounds are there in Foundit Senior Software Engineer interview?
Foundit interview process usually has 2 rounds. The most common rounds in the Foundit interview process are Technical, Coding Test and Behavioral.
What are the top questions asked in Foundit Senior Software Engineer interview?

Some of the top questions asked at the Foundit Senior Software Engineer interview -

  1. Water holding capacity in btw build...read more
  2. left view of binary t...read more
  3. Dynamic programm...read more

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Foundit Senior Software Engineer Interview Process

based on 2 interviews

Interview experience

4
  
Good
View more
Foundit Senior Software Engineer Salary
based on 50 salaries
₹7.5 L/yr - ₹28 L/yr
17% more than the average Senior Software Engineer Salary in India
View more details

Foundit Senior Software Engineer Reviews and Ratings

based on 7 reviews

1.9/5

Rating in categories

1.9

Skill development

2.0

Work-life balance

1.9

Salary

1.7

Job security

1.9

Company culture

1.8

Promotions

1.8

Work satisfaction

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