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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

← Zapier

Staff+ Frontend at Zapier

FrontendStaff+Offer◆ Commonly asked· 2024

A staff frontend loop. Coding-heavy early, design and behavioral later.

The loop · 5 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Daily temperatures.
    Staff+Medium◆ Commonly asked
    #stack#monotonic-stack
    PracticeLeetCode↗GeeksforGeeks↗
  • Edit distance.
    Staff+Hard◆ Commonly asked
    #dp#string
    PracticeLeetCode↗GeeksforGeeks↗
  • Course Schedule — detect a cycle / topological sort.
    Staff+Medium◆ Commonly asked
    #graph#topo-sort
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 1 question

Low-Level Design

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

  • Design a design-token theming system.
    Staff+Medium◆ Commonly asked
    #design-system
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 2 questions

System Design

High-level architecture of a large-scale system.

  • Design a distributed key-value store.
    Staff+Hard◆ Commonly asked
    #replication#consistency
    PracticeGeeksforGeeks↗Search↗
  • Design a file-sharing service with permissions.
    Staff+Medium◆ Commonly asked
    #storage#acl
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 1 question

Hiring Manager

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

  • How do you measure the success of a project after launch?
    Staff+◆ Commonly asked
    #metrics
05

Round 05 · 2 questions

Behavioral / HR

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

  • How do you get up to speed on an unfamiliar codebase?
    Staff+◆ Commonly asked
    #learning
  • Tell me about a time you led without a title.
    Staff+◆ Commonly asked
    #leadership#star

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