Status: 2.9 years experience
Location: Gurgaon, India
Date: February 2026
First round:
DSA Problem : https://algomaster.io/learn/dsa/reconstruct-itinerary
Two SQL queries :
- Return student with second maximum score
- Given table students with date of scholarships, return all students who got scholarship on both 2025, 2026 year
Question : How hashmap works internally ?
Second round:
Design Notification System
- Discuss trade-offs,
- How to handle priority notifications,
- what if lot of notification requests arrive at a time
Third round:
Resume discussion
How can we close a thread gracefully ?
How hashmap works internally ?
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