Epify/Fi Money Backend Internship Interview Experience

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epify/fi money
Backend InternBangaloreRejected
August 30, 202511 reads

Summary

I interviewed for a Backend Intern position at Epify/Fi Money in Bangalore. The process included resume shortlisting, an assignment round to build an Inventory Management System, and a final interview round with project discussion, system design questions, and a DSA problem. Unfortunately, I was rejected for the role.

Full Experience

Process Overview

My interview journey for the Backend Intern role at Epify/Fi Money started with a successful resume shortlisting, moving me to the next phase.

Assignment Round

For this round, I was given an assignment to build an Inventory Management System. The problem statement was provided via a Google Drive link, which I used to guide my implementation.

Interview Round

The final interview round lasted approximately 45 minutes, though the active questioning felt closer to 15 minutes. It began with a discussion centered around my projects. The interviewer inquired about my technical choices, asking, "Why did you choose this tech stack?" and a system-design related question, "Why is MongoDB scalable?". Following these, I was presented with a Data Structures & Algorithms problem: Permutation in String. I managed to solve this problem within about 10 minutes. The interview concluded shortly thereafter.

Verdict

Ultimately, I received a rejection for the position.

Interview Questions (3)

Q1
Tech Stack Choice Justification
Other

Discuss the reasons and rationale behind selecting a particular technology stack for your project.

Q2
MongoDB Scalability
System Design

Explain the architectural features and design principles that contribute to MongoDB's scalability.

Q3
Permutation in String
Data Structures & AlgorithmsMedium

Given two strings s1 and s2, return true if s2 contains a permutation of s1, or false otherwise. In other words, return true if one of s1's permutations is the substring of s2.

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