Interview Experience

MulticoreWare Interview Experience 2025

Based on experiences shared by recent candidates and company-provided information, the MulticoreWare interview process for freshers and experienced professionals includes multiple rounds to evaluate technical expertise, problem-solving ability, and cultural fit.

The process involves assessments in data structures, algorithms, C/C++ programming, parallel computing, and system design.

Round 1: Online Assessment (Aptitude & Technical)

This is the first elimination round and includes Aptitude and Technical MCQs.

Sections Covered:

  1. Aptitude – numerical ability, logical reasoning.
  2. Technical MCQs – Operating systems, database management (DBMS), data structures, computer networks, C/C++, and pseudo-code.

Platform Used:

  • The test is conducted on EQUIP, and a unique test link is provided via email.

Aptitude Test

  • Number of Questions: 5 to 8
  • Duration: 45 minutes (shared with technical MCQs)
  • Difficulty: Moderate
  • Negative Marking: Yes (-1 for incorrect answers)
  • Topics Covered: Series Completion, Coding & Decoding, Probability, Ratio and Proportion, Mixture and Alligation, Permutations & Combinations, Time, Speed & Distance, Time & Work.

Aptitude Sample Questions

  1. 3 cards are drawn one-by-one from a deck of 52 cards without replacement. What is the probability of getting 3 Aces?

Options:
A. 1/5525
B. 1/1300
C. 1/1690
D. 1/170

  1. Identify the next number in the sequence: 561, 536, 571, 546, 581, 556, ?

Options:
A. 536
B. 591
C. 541
D. 521

  1. A mixture contains water and fruit juice in the ratio 4:5. If 8 litres of fruit juice is added to the mixture, the ratio becomes 4:6. Find the quantity of water in the mixture.

Options:
A. 32
B. 16
C. 18
D. 20

Technical MCQs

This section evaluates core computer science concepts through multiple-choice questions, covering topics like operating systems, database management, and data structures.

  • Number of Questions: 22 to 25
  • Duration: 45 minutes (shared with aptitude test)
  • Difficulty: Moderate to High
  • Topics Covered: Operating Systems, Data Structures, Database Management Systems, Pseudo Code, Computer Networks.

Sample Technical Questions

  1. Which of the following synchronization mechanisms is most suitable for maintaining consistency of a distributed database across multiple data centers?

Options:
A. Eventual Consistency
B. Row-Level Locks
C. Two-Phase Commit (2PC)
D. Mutex Locks

  1. Code Output Question:
#include <iostream>
using namespace std;
class Animal {
public:
    virtual void speak() {
        cout << "Animal" << endl;
    }
};
class Dog : public Animal {
public:
    void speak() {
        cout << "Dog" << endl;
    }
};
int main() {
    Animal *ptr = new Dog();
    ptr->speak();
    return 0;
}

Options:
A. Animal
B. Dog
C. Animal Dog
D. Dog Animal

  1. Find out the efficiency of the following Python code in terms of Big-O notation:
for x in range(n):
    if x % 5 == 0:
        print(x // 5)
    else:
        print(x ** 2)

Options:
A. O(n log n)
B. O(n)
C. O(n²)
D. O(n log n)

Round 2: Coding Assessment (Online)

Candidates solve programming problems on data structures, algorithms, and optimization techniques to test their coding proficiency and logical thinking.

  • Number of Questions: 3
  • Duration: 70 minutes
  • Languages Allowed: C / C++ / Java / Python
  • Difficulty: Medium
  • Topics Covered:
  1. Data Structures & Algorithms – Arrays, linked lists, stacks, queues, graphs.
  2. Dynamic Programming – Optimization techniques.
  3. Matrix Operations – Matrix multiplications and transformations.

Sample Coding Questions

  1. Linked List Operations:
    • Reverse a singly linked list without extra nodes.
    • Detect a cycle in a linked list.
  2. Matrix Manipulation:
    • Print diagonal elements of a matrix in zig-zag order.
    • Rotate a matrix by 90 degrees.
  3. Dynamic Programming:
    • Solve the Egg Drop Problem to find the critical floor in minimal attempts.

Complex Coding Round (Only for Research Engineer Role)

This advanced coding challenge assesses expertise in complex data structures and system-level programming, requiring efficient and optimized solutions.

  • Number of Questions: 2
  • Duration: 60 minutes
  • Difficulty: Hard
  • Topics Covered: Complex Data Structures, Application Development

Sample Coding Questions

  1. Implement a custom memory allocator.
  2. Design a file system that supports basic operations like create, delete, and read.

Round 3: Technical Interview - 1 (Offline)

This round focuses on coding skills, memory management, and problem-solving, often involving live coding exercises and conceptual discussions.

  • Duration: 30 to 40 minutes
  • Focus Areas:
  1. Memory Management – malloc vs calloc, memory leaks.
  2. Concurrency & Multithreading – Implement thread-safe data structures.
  3. Data Structures – Graphs, linked lists, recursion, trees.
  4. Code Implementation – Live coding exercises.

Sample Questions

  1. Write a function to sort an array in ascending order. (Live coding)
  2. Explain the difference between static and dynamic memory allocation.
  3. Find the missing number in an array.
  4. What is the difference between stack and queue?
  5. What is time complexity? Explain Big-O notation.

Round 4: Technical Interview - 2 (Offline)

A deeper evaluation of system design, debugging, and performance optimization, testing candidates' ability to handle real-world software challenges.

  • Duration: 30 to 40 minutes
  • Focus Area: This round is more advanced and focuses on system design, debugging, and optimization.
  • Difficulty: Hard
  • Topics Covered:
    1. System Performance – Profiling, debugging, memory optimizations.
    2. Advanced Multithreading – Multiprogramming, process synchronization.
    3. Heterogeneous Computing – Writing OpenCL/CUDA kernels.

Sample Questions

  1. If a software's performance degrades post-deployment, how would you debug it?
  2. What is version control, and why is it important?
  3. Explain BFS and DFS with real-world examples.
  4. Create a 2D dynamic array and explain its memory usage.
  5. What are the differences between structure and union?
  6. What are the advantages of profiling in performance optimization?

Final Round: HR Interview

A discussion on career goals, adaptability, and cultural fit, assessing a candidate's motivation, strengths, and overall suitability for the company.

  • Focus Areas:
    • Career aspirations
    • Personal strengths
    • Cultural fit & adaptability
  • Difficulty: Easy to Moderate

Sample Questions

  1. Why do you want to work at MulticoreWare?
  2. Would you be open to relocating for this job?
  3. If another company offers you a higher salary in two years, would you leave?
  4. You have ₹100, and each water bottle costs ₹10. How many bottles can you buy?
  5. Implement a program to maximize the number of bottles you can buy, considering a trade-in system where 3 bottle caps give you 1 free bottle

Candidates who successfully clear all rounds are offered positions based on their performance:

  • Research Engineer: 10.2 LPA (if they clear the complex coding round)
  • Software Engineer: 7.2 LPA (if they do not clear the complex coding round but clear other rounds)

MulticoreWare follows a rigorous selection process, ensuring that candidates have strong technical skills, logical reasoning ability, and good communication. Preparation in data structures, algorithms, and system design is essential for success in this recruitment process.