Amazon SDE2 [Feb25 : Offer]

Online Assessment (OA)

Successfully solved both coding questions and was shortlisted for the in-office interview drive.

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Round 1 (~1.5 hours)

• Problem 1: Focused on finding a peak element in an array. The question had several non-trivial variations and extensions, leading to an in-depth discussion lasting around 35–40 minutes.
• Problem 2: Related to checking if a binary tree is height-balanced. Again, the problem was not straightforward and required a nuanced approach.
• Additional: Several behavioral questions based on Leadership Principles were also covered.

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Round 2 (~1.5 hours)

• Focus: Low-Level Design (LLD) for a Seller Experience application.
• The interviewer presented a comprehensive set of requirements, and the discussion revolved around designing entities and system components while justifying each design decision.
• The session was very detailed, and the interviewer challenged design choices rigorously.
• Leadership Principles: Behavioral questions interspersed throughout the session.

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Round 3 (~1.5 hours)

• Focus: High-Level Design (HLD) of a Payment Service.
• Conducted by the Hiring Manager, this round also involved in-depth Leadership Principles questions.
• Emphasis was placed on system scalability, fault tolerance, and real-world trade-offs.

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Round 4 (Bar Raiser)

• Focus:
• Leadership Principles
• A LeetCode Hard-level DSA problem involving Disjoint Set Union (DSU)

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