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Unthinkable Solutions Software Engineer Intern Interview Questions, Process, and Tips

Updated 22 Jan 2025

Unthinkable Solutions Software Engineer Intern Interview Experiences

1 interview found

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I was interviewed in Dec 2024.

Round 1 - Coding Test 

I participated in a coding round on their platform, which consisted of three coding questions in 60 min. however, their editor and compiler were quite inadequate. The event was held onsite, with 500 candidates arriving on January 11, 2024, at 9 AM. Approximately 100 candidates cleared that round.

Round 2 - Coding Test 

I solved all three questions, yet we still had to participate in the second round, which included one coding question to be completed in 20 minutes. The question was poorly framed, leading to the rejection of most students. However, I managed to solve all the test cases.

Round 3 - Coding Test 

The coding round comprised one question and was conducted on paper for a duration of 10 minutes.

Round 4 - Technical 

(5 Questions)

  • Q1. It was the puzzle question involving five numbered fingers where you need to determine which finger corresponds to a given number in constant time complexity O(1)?
  • Q2. Write code for searching in a 2D matrix with a time complexity of O(mlogn)?
  • Ans. 

    Implement a binary search in each row of a sorted 2D matrix to achieve O(mlogn) time complexity.

    • Divide and conquer approach can be used to search in each row of the matrix.

    • Perform binary search on each row to find the target element efficiently.

    • Ensure the rows are sorted to apply binary search in each row.

  • Answered by AI
  • Q3. How would you design a store management system, including all relevant schema tables?
  • Ans. 

    Design a store management system with relevant schema tables

    • Create a 'Store' table with attributes like store_id, name, location, etc.

    • Design a 'Product' table with attributes like product_id, name, price, quantity, etc.

    • Include a 'Sales' table to track sales transactions with attributes like sale_id, date, total_amount, etc.

    • Implement a 'Stock' table to manage product stock levels with attributes like stock_id, product_i

  • Answered by AI
  • Q4. Design schema of your project
  • Ans. 

    The schema of my project is designed to efficiently store and retrieve data for a web application.

    • Use relational database to store structured data

    • Create tables for different entities like users, products, orders

    • Establish relationships between tables using foreign keys

    • Use indexes to optimize query performance

  • Answered by AI
  • Q5. Design category schema where category can have multiple sub categories
  • Ans. 

    Design a category schema with multiple subcategories

    • Use a parent-child relationship to link categories and subcategories

    • Implement a tree data structure to represent the hierarchy

    • Each category can have multiple subcategories

    • Example: Category - Electronics, Subcategories - Computers, Mobile Phones, TVs

  • Answered by AI
Round 5 - Technical 

(2 Questions)

  • Q1. Questions related to javascript
  • Q2. Sql queries which consists of group and joins
  • Ans. 

    SQL queries involving group by and joins are used to retrieve data from multiple tables and aggregate results.

    • Use GROUP BY to group rows that have the same values in specified columns

    • Use JOIN to combine rows from two or more tables based on a related column

    • Examples: SELECT column1, SUM(column2) FROM table1 JOIN table2 ON table1.id = table2.id GROUP BY column1

  • Answered by AI
Round 6 - HR 

(2 Questions)

  • Q1. Can you provide your introduction?
  • Ans. 

    I am a passionate software engineering student with experience in Java, Python, and web development.

    • Currently pursuing a degree in Computer Science

    • Proficient in Java, Python, and web development technologies like HTML, CSS, and JavaScript

    • Completed internships at tech companies working on software projects

    • Participated in coding competitions and hackathons

  • Answered by AI
  • Q2. Why do you want to join this company?
  • Ans. 

    I am impressed by the company's innovative projects and collaborative work culture.

    • Impressed by innovative projects

    • Desire to work in collaborative environment

    • Company's reputation in the industry

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Salary: 5 LPA; Bond: 1.6 years. My experience was quite poor. Initially, we were required to report at 9 AM, and our workday extended until 10:30 PM. We were not provided with any dinner or food after 6 PM, only receiving coffee, and we were prohibited from going outside to get food. Subsequently, we were called for an interview on a different day, but despite passing the HR round, I was ultimately rejected. Out of the initial group, only 20 candidates reached the technical interviews, and only 2 or 3 were extended offers on the same day.

Interview questions from similar companies

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

(2 Questions)

  • Q1. Write code for Level Order Traversal for Binary Tree
  • Ans. 

    Level Order Traversal for Binary Tree is a method to visit all nodes level by level starting from the root.

    • Use a queue data structure to keep track of nodes at each level

    • Start by pushing the root node into the queue

    • While the queue is not empty, dequeue a node, visit it, and enqueue its children

  • Answered by AI
  • Q2. Difference between left join and right join
  • Ans. 

    Left join includes all records from the left table and matching records from the right table, while right join includes all records from the right table and matching records from the left table.

    • Left join keeps all records from the left table, even if there are no matches in the right table.

    • Right join keeps all records from the right table, even if there are no matches in the left table.

    • Example: If we have a table of em...

  • Answered by AI

Skills evaluated in this interview

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

I was interviewed in Jul 2024.

Round 1 - Coding Test 

Leet code medium level question

Round 2 - Technical 

(2 Questions)

  • Q1. About Java Streams
  • Q2. Restful API coding completion based on given file
Round 3 - HR 

(2 Questions)

  • Q1. To check your attitude
  • Q2. Given detailed about company and what project you are going to work on?
Round 4 - One-on-one 

(5 Questions)

  • Q1. Hashmap working
  • Ans. 

    Hashmap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.

    • Hashmap uses a hashing function to map keys to indices in an array.

    • It allows for constant time complexity O(1) for insertion, deletion, and retrieval operations.

    • Example: HashMap<String, Integer> map = new HashMap<>(); map.put("key", 123); int value = map.get("key");

  • Answered by AI
  • Q2. Multithreading cases
  • Q3. Scenario specific on how to handle multiple events on a single variable to have accurate result
  • Q4. Database indexing
  • Q5. Architecture level
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Leetcode Medium Type Questions

Round 2 - One-on-one 

(1 Question)

  • Q1. Design a Online System to book Salon Professionals like Urban Company.
  • Ans. 

    Design an online system to book salon professionals like Urban Company.

    • User registration and login system

    • Search functionality to find salon professionals based on location, services offered, ratings, etc.

    • Booking system with calendar availability and payment integration

    • Review and rating system for users to provide feedback on salon professionals

    • Notification system for booking confirmations, reminders, and updates

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. What is your name
  • Q2. What is your strength

Interview Preparation Tips

Interview preparation tips for other job seekers - No comments links to this video is small
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

I applied via Campus Placement

Round 1 - Aptitude Test 

Aptitude test was easy level and moderate level.

Round 2 - Coding Test 

Coding test was held in the google form which was very easy.

Round 3 - Technical 

(3 Questions)

  • Q1. What is volatile keyword?
  • Ans. 

    The volatile keyword in software engineering is used to indicate that a variable's value can be modified by multiple threads.

    • Volatile keyword ensures that the variable's value is always read from and written to the main memory, rather than cached in a thread's local cache.

    • It is used to prevent unexpected behavior in multi-threaded environments where multiple threads may access and modify the same variable simultaneousl...

  • Answered by AI
  • Q2. What is abstract class
  • Ans. 

    An abstract class is a class that cannot be instantiated and is meant to be subclassed.

    • An abstract class can have abstract methods that must be implemented by its subclasses.

    • An abstract class can also have non-abstract methods that can be inherited by its subclasses.

    • An abstract class provides a common interface for its subclasses.

    • An abstract class can have instance variables and constructors.

    • An abstract class cannot be...

  • Answered by AI
  • Q3. Where do you use abstract class
  • Ans. 

    Abstract classes are used to provide a common interface and partial implementation for related classes.

    • Abstract classes are used when you want to create a base class that cannot be instantiated on its own but can be inherited by other classes.

    • They are useful when you want to define common methods and properties that multiple related classes should have.

    • Abstract classes can have both abstract and non-abstract methods.

    • Ab...

  • Answered by AI

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
No response

I applied via Approached by Company and was interviewed in Feb 2024. There were 4 interview rounds.

Round 1 - Coding Test 

DSA coding 2-3 question

Round 2 - Group Discussion 

Java, DSA coding, java 8 coding, multithreading

Round 3 - Group Discussion 

Java8, spring-boot, DSA coding

Round 4 - Technical 

(1 Question)

  • Q1. DSA coding, java 8 coding, spring boot, mysql

Interview Preparation Tips

Interview preparation tips for other job seekers - WORST company. They will waste your time in 4-5 technical rounds and at the time of offer they will ghost you. playing with someone's career is not cool. Be aware of companies like this.
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Difficulty level is medium

Round 2 - Technical 

(1 Question)

  • Q1. Medium about java and database
Round 3 - HR 

(1 Question)

  • Q1. Medium level - about project
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
-

I applied via campus placement at Lovely Professional University (LPU) and was interviewed in Sep 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

Basic 30 aptitude based questions

Round 2 - Technical 

(2 Questions)

  • Q1. 1 easy coding problem
  • Q2. Print 1,1.5,2,2.5,3 in an array
  • Ans. 

    Create an array of strings containing 1, 1.5, 2, 2.5, 3

    • Initialize an array of strings

    • Add the numbers 1, 1.5, 2, 2.5, 3 as strings to the array

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep studying
DSA, DBMS , networking, & SQL query + work on projects
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 - Aptitude Test 

It was basic test. online.

Round 3 - Coding Test 

2 questions on arrays. online.

Round 4 - Group Discussion 

The general topic. Be point to point

Round 5 - Technical 

(1 Question)

  • Q1. SQL and Python questions. online. screen sharing

Unthinkable Solutions Interview FAQs

How many rounds are there in Unthinkable Solutions Software Engineer Intern interview?
Unthinkable Solutions interview process usually has 6 rounds. The most common rounds in the Unthinkable Solutions interview process are Coding Test, Technical and HR.
What are the top questions asked in Unthinkable Solutions Software Engineer Intern interview?

Some of the top questions asked at the Unthinkable Solutions Software Engineer Intern interview -

  1. How would you design a store management system, including all relevant schema t...read more
  2. Design category schema where category can have multiple sub categor...read more
  3. Write code for searching in a 2D matrix with a time complexity of O(mlog...read more

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Unthinkable Solutions Software Engineer Intern Interview Process

based on 1 interview

Interview experience

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