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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

← Waymo

Mid Frontend at Waymo

FrontendMidOutcome unknown◆ Commonly asked· 2025

Mid frontend interview. Fast-paced; expect follow-ups that push on depth.

The loop · 5 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Reverse a linked list.
    MidEasy◆ Commonly asked
    #linked-list
    PracticeLeetCode↗GeeksforGeeks↗
  • Validate a binary search tree.
    MidMedium◆ Commonly asked
    #tree#dfs
    PracticeLeetCode↗GeeksforGeeks↗
  • Invert a binary tree.
    MidEasy◆ Commonly asked
    #tree
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a debounced autocomplete/search box with keyboard nav.
    MidMedium◆ Commonly asked
    #react#debounce#a11y
    PracticeGeeksforGeeks↗Search↗
  • Build a nested, collapsible comment thread.
    MidMedium◆ Commonly asked
    #react#recursion
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 1 question

Low-Level Design

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

  • Design a toast/notification manager API.
    MidMedium◆ Commonly asked
    #oop#pub-sub
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Event delegation and how bubbling/capturing work.
    MidEasy◆ Commonly asked
    #dom
    PracticeGeeksforGeeks↗Search↗
  • Closures and the module pattern — with an example.
    MidEasy◆ Commonly asked
    #javascript#closures
    PracticeGeeksforGeeks↗Search↗
  • Explain Core Web Vitals (LCP, CLS, INP) and how to improve them.
    MidHard◆ Commonly asked
    #perf
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • Tell me about receiving hard feedback and acting on it.
    Mid◆ Commonly asked
    #feedback#star
  • Tell me about a time you had to say no to a stakeholder.
    Mid◆ Commonly asked
    #influence#star

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