Rakuten Payment Full Stack Engineer interview: a two-problem HackerRank test

Rakuten Payment·Full Stack Engineer·Reported Jul 2026
Online AssessmentHard

About a week after I applied, I received an invitation to a HackerRank programming test. It had two problems, and I needed to pass the supplied test cases to advance. The format was straightforward, but the work still felt demanding.

It seemed focused entirely on coding rather than team fit or thinking about systems. I didn't receive an offer. At least the expectations were clear from the start: if the solutions didn't pass the tests, there wouldn't be another conversation.

Location: Tokyo. Overall feedback: negative. Offer status: no offer.

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Curated and edited by PracHub

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Interview at a glance

Company
Rakuten Payment
Role
Full Stack Engineer
Rounds
Online Assessment
Difficulty
Hard
Date
Reported Jul 2026

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