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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

← Google

Staff+ Frontend at Google

FrontendStaff+Withdrew◆ Commonly asked· 2024

Staff frontend interview. Balanced across coding, design, and collaboration.

The loop · 5 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Unique paths.
    Staff+Medium◆ Commonly asked
    #dp#grid
    PracticeLeetCode↗GeeksforGeeks↗
  • Longest substring without repeating characters.
    Staff+Medium◆ Commonly asked
    #sliding-window#string
    PracticeLeetCode↗GeeksforGeeks↗
  • Decode ways.
    Staff+Medium◆ Commonly asked
    #dp#string
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 1 question

Low-Level Design

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

  • Design a virtual DOM diffing model.
    Staff+Hard◆ Commonly asked
    #oop#algorithms
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 2 questions

System Design

High-level architecture of a large-scale system.

  • Design an accessible internationalized form system.
    Staff+Medium◆ Commonly asked
    #frontend#a11y#i18n
    PracticeGeeksforGeeks↗Search↗
  • Design a client-side feature-flag and experiment SDK.
    Staff+Medium◆ Commonly asked
    #frontend#experiments
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 1 question

Hiring Manager

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

  • How do you evaluate and adopt a new technology?
    Staff+◆ Commonly asked
    #judgment
05

Round 05 · 2 questions

Behavioral / HR

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

  • Describe a conflict with your manager and the outcome.
    Staff+◆ Commonly asked
    #conflict#star
  • Describe a time you had to deliver bad news.
    Staff+◆ Commonly asked
    #communication#star

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