Kotak SDE-2 Interview Experience | Bar Raiser

1. Search in Rotated Sorted Array
LeetCode: https://leetcode.com/problems/search-in-rotated-sorted-array/description/

2. Longest Common Prefix
LeetCode: https://leetcode.com/problems/longest-common-prefix/description/

Both questions were discussed along with the approach and complexity.

LLD – 40 mins

Design a Restaurant Ordering System

The discussion covered:

• Authentication
• Restaurant and Menu management
• Cart management
• Order flow
• Payment

The interviewer specifically asked me to focus on:

• API design
• Database schema
• Class design
• Design patterns
• Authentication and authorization

HLD – 10 mins

Generic distributed systems questions:

1. How would you handle idempotency while creating an order?
2. How would you implement and use distributed locks?
3. How would you handle network partitioning?

Overall, the interview focused heavily on DSA fundamentals, LLD depth, API/DB design, and distributed systems concepts.

🎯 Verdict
✅ Selected