Interview Experience — SDE2 Angel one

Round 1: DSA
Koko Eating Bananas
Longest Palindromic Substring
Decoding Number String to A-Z Characters — DP

Solved all 3 problems.

Result: Cleared

Round 2: HLD

Design a Payment Service

The round went on for 1+ hour with several deep dives, including:

Database commits and transaction handling
Kafka streams
Partner bank failures/issues
Vendor payment flow
Handling payment failures and retries

I honestly didn't feel very confident after the round and wasn't sure how it went.

Result: Cleared
Round 3: System Design + Database Design + LLD

LLD: Parking Lot

Database Design: Books and Authors Store

Result: Cleared

Final Verdict Selected

Compensation
Fixed: ₹29 LPA
Joining Bonus: ₹1 Lakh
Performance Bonus: ₹2.9 LPA