Amazon Advertising Software Engineer interview: Two Sum and substring

Amazon Advertising·Software Engineer·Reported Jul 2026
Online AssessmentTechnical ScreenOfferMedium

The process began with an OA containing two DSA questions and behavioral questions. One was an easy Two Sum-style problem; the other was the medium problem of finding the longest substring without repeating characters. I then had one interview with two more easy-to-medium DSA questions.

The live round followed the same pattern: use familiar techniques cleanly under time pressure and explain the reasoning. There were no surprise twists, just common problem types and whether I could execute them.

I was selected and accepted an offer. I was relieved that the result did not feel like a lottery; fundamentals and steady execution seemed to drive it.

Location: Chennai. Overall feedback: positive. Offer status: got offer.

Published

Curated and edited by PracHub

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Interview at a glance

Company
Amazon Advertising
Role
Software Engineer
Rounds
Online Assessment → Technical Screen
Outcome
Offer
Difficulty
Medium
Date
Reported Jul 2026

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