Interview Date: 1st Dec, 2024
Company Name: Flipkart
On-Campus: IITISM Dhanbad
Round 1: Coding Round
Duration: 90 minutes
Questions:
- 2 medium-level problems from LeetCode.
- 1 hard-level problem similar to "Rat in a Maze."
Outcome:
- 13 candidates were selected for Round 2.
- 10 candidates were placed on the waitlist for Round 2.
Round 2: Technical I
The interview began with brief introductions and then transitioned into technical questions:
Problem 1
- Find the largest length of a subsequence in an array where (max element - min element = 1).
- Used hash maps to solve the problem
- Performed dry runs on four examples provided by the interviewer.
- Discussed time and space complexities for both ordered and unordered maps.
Problem 2
- Find the element at the nth row and kth index in Pascal's Triangle.
- Explained the intuition and derived the formula due to time constraints.
Outcome:
- 4 candidates from the initial list were selected for Round 3.
- 1 candidate from the waitlist was also selected.
Round 3: Technical + Managerial Round
Introduction:
- Provided an elaborate self-introduction, detailing internship projects, experiences, and additional projects.
Internship Discussion:
- Explained specific tasks undertaken and implementation processes.
- Demonstrated the dataset attributes used in the internship with an Excel sheet.
- Discussed key learnings, mentor’s role, and support received.
Additional Questions:
- Reason for interning in a steel industry despite pursuing Electronics and Communication (explained alignment with machine learning interests).
- Shared strengths, weaknesses, and proudest achievements.
- Discussed SGPA trends and overall academic performance over semesters.
Motivation and Preparation:
- Reasons for choosing Flipkart.
- Preparation strategies for the SDE role at Flipkart.
Technical Questions:
- Differences between SQL and NoSQL databases with examples.
- Format of data storage in MongoDB.
Outcome:
3 candidates were selected for the final offer, and I was one of them.
