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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

Networking · San Jose, CA

Cisco

Enterprise networking. Systems and fundamentals-heavy coding rounds.

5 interviews shared — read how each round went.

5 of 5 shown

Role
Level
BackendNew Grad / JuniorOffer

New Grad / Junior · Backend

5-round junior backend process. Fast-paced; expect follow-ups that push on depth.

5 rounds · 11 questions · 2025→
FrontendMidNo offer

Mid · Frontend

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

5 rounds · 11 questions · 2024→
Full-stackMidNo offer

Mid · Full-stack

A mid fullstack loop. Pragmatic questions — more real-world than pure puzzles.

5 rounds · 11 questions · 2023→
FrontendStaff+Offer

Staff+ · Frontend

Staff frontend interview. Fundamentals mattered as much as getting to an answer.

5 rounds · 9 questions · 2025→
Full-stackStaff+No offer

Staff+ · Full-stack

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

5 rounds · 9 questions · 2024→