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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

← Shopify

Staff+ Backend at Shopify

BackendStaff+Withdrew◆ Commonly asked· 2023

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

The loop · 5 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Merge two sorted linked lists.
    Staff+Easy◆ Commonly asked
    #linked-list
    PracticeLeetCode↗GeeksforGeeks↗
  • Unique paths.
    Staff+Medium◆ Commonly asked
    #dp#grid
    PracticeLeetCode↗GeeksforGeeks↗
  • Jump game.
    Staff+Medium◆ Commonly asked
    #greedy#dp
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 1 question

Low-Level Design

Object-oriented / low-level design of a focused module.

  • Design a logging library with levels and sinks.
    Staff+Medium◆ Commonly asked
    #oop
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 2 questions

System Design

High-level architecture of a large-scale system.

  • Design a job scheduler / cron service.
    Staff+Medium◆ Commonly asked
    #queues#scheduling
    PracticeGeeksforGeeks↗Search↗
  • Design an analytics / metrics dashboard backend.
    Staff+Hard◆ Commonly asked
    #time-series#aggregation
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 1 question

Hiring Manager

Scope, ownership, and role-fit discussion with the manager.

  • Where do you want to grow in the next two years?
    Staff+◆ Commonly asked
    #growth
05

Round 05 · 2 questions

Behavioral / HR

Values, collaboration, and past-experience (STAR) questions.

  • Tell me about receiving hard feedback and acting on it.
    Staff+◆ Commonly asked
    #feedback#star
  • Tell me about the hardest bug you have debugged.
    Staff+◆ Commonly asked
    #debugging#star

◆ This experience is composed from commonly reported questions for this role and level. Real, individually-shared interviews will be layered in over time.