YOE 4+ year
Current Industry : Ecommerce

DSA Rounds:
https://leetcode.com/problems/container-with-most-water/

https://leetcode.com/problems/word-ladder/description/

✅ Successfully solved both questions during the interview.

Design (LLD) & HLD:
Coupon Creation Service

1. Designed DB schema and system for different coupon types: percentage off, flat off, discount, cashback, etc.

   Interviewer was not fully convinced by the approach

2. Frequency-Based Coupon Selection (every 1-minute window):

   Given a list of coupons with frequency, designed a system to randomly select coupons based on frequency.

   Proposed an asynchronous job-based approach to pre-generate coupon IDs and do matching.

   Interviewer was convinced and satisfied with this solution.

Hiring Manager Round:

Resume-based discussion

Talked about past project challenges

Solved LCA in Binary Tree

HM was approachable, calm, friendly—overall good interaction and some casual conversations as well.

HR Round:
General discussion and behavioral questions.

However, no updates from HR despite multiple follow-ups over the past week.

Eventually found out: Rejected