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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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Online AssessmentDSA / CodingMachine CodingLow-Level Design

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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.

MIT · © 2026

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C

Fintech · Remote-first

Coinbase

Crypto exchange. Correctness, security, and high-throughput systems.

5 interviews shared — read how each round went.

5 of 5 shown

Role
Level
Full-stackNew Grad / JuniorNo offer

New Grad / Junior · Full-stack

Junior fullstack interview. Balanced across coding, design, and collaboration.

5 rounds · 11 questions · 2024→
BackendSeniorWithdrew

Senior · Backend

A senior backend loop. Pragmatic questions — more real-world than pure puzzles.

6 rounds · 13 questions · 2023→
FrontendSeniorOffer

Senior · Frontend

6-round senior frontend process. Balanced across coding, design, and collaboration.

6 rounds · 13 questions · 2025→
Full-stackSeniorOffer

Senior · Full-stack

Senior fullstack interview. Coding-heavy early, design and behavioral later.

6 rounds · 13 questions · 2025→
BackendStaff+Offer

Staff+ · Backend

Staff backend interview. Coding-heavy early, design and behavioral later.

5 rounds · 9 questions · 2024→