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Interview questions from top companies, mapped to the exact round they show up in. Prep for what you will actually face.

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The Loop aggregates publicly shared interview experiences and curated commonly-asked questions, each labeled with its source. Not affiliated with any company listed.

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Fintech · São Paulo, Brazil

Nubank

Digital bank. Functional-leaning backends and a reliability focus.

5 interviews shared — read how each round went.

5 of 5 shown

Role
Level
BackendNew Grad / JuniorOutcome unknown

New Grad / Junior · Backend

5-round junior backend process. Coding-heavy early, design and behavioral later.

5 rounds · 11 questions · 2023→
FrontendNew Grad / JuniorOffer

New Grad / Junior · Frontend

5-round junior frontend process. Pragmatic questions — more real-world than pure puzzles.

5 rounds · 11 questions · 2024→
Full-stackMidOffer

Mid · Full-stack

Mid fullstack interview. Fast-paced; expect follow-ups that push on depth.

5 rounds · 11 questions · 2024→
FrontendStaff+Withdrew

Staff+ · Frontend

Staff frontend interview. Pragmatic questions — more real-world than pure puzzles.

5 rounds · 9 questions · 2024→
Full-stackStaff+Withdrew

Staff+ · Full-stack

A staff fullstack loop. Fundamentals mattered as much as getting to an answer.

5 rounds · 9 questions · 2025→