theloop
CompaniesRoundsQuestionsSearchProgress
theloop

Interview questions from top companies, mapped to the exact round they show up in. Prep for what you will actually face.

View source

Browse

CompaniesSearchAll rounds

Rounds

Online AssessmentDSA / CodingMachine CodingLow-Level Design

Contribute

Share an interviewReport an issueStar on GitHub

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

New Grad / Junior Frontend at Google

FrontendNew Grad / JuniorOffer◆ Commonly asked· 2024

5-round junior frontend process. Balanced across coding, design, and collaboration.

The loop · 5 rounds

01

Round 01 · 1 question

Online Assessment

Timed online coding / aptitude screen, usually the first filter.

  • Find the number of distinct substrings of length k.
    New Grad / JuniorMedium◆ Commonly asked
    #sliding-window#string
    PracticeGeeksforGeeks↗Search↗
02

Round 02 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Lowest common ancestor of a binary tree.
    New Grad / JuniorMedium◆ Commonly asked
    #tree
    PracticeLeetCode↗GeeksforGeeks↗
  • Combination sum.
    New Grad / JuniorMedium◆ Commonly asked
    #backtracking
    PracticeLeetCode↗GeeksforGeeks↗
  • Find minimum in rotated sorted array.
    New Grad / JuniorMedium◆ Commonly asked
    #binary-search
    PracticeLeetCode↗GeeksforGeeks↗
03

Round 03 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a typeahead with in-flight request cancellation.
    New Grad / JuniorMedium◆ Commonly asked
    #react#async
    PracticeGeeksforGeeks↗Search↗
  • Build a to-do app with filters and localStorage persistence.
    New Grad / JuniorEasy◆ Commonly asked
    #react#state
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Difference between controlled and uncontrolled inputs.
    New Grad / JuniorEasy◆ Commonly asked
    #react#forms
    PracticeGeeksforGeeks↗Search↗
  • What causes layout thrashing and how do you avoid it?
    New Grad / JuniorHard◆ Commonly asked
    #perf#dom
    PracticeGeeksforGeeks↗Search↗
  • Explain the JS event loop: microtasks vs macrotasks.
    New Grad / JuniorMedium◆ Commonly asked
    #javascript#event-loop
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • Tell me about a time you had to say no to a stakeholder.
    New Grad / Junior◆ Commonly asked
    #influence#star
  • Tell me about the most impactful project of your career.
    New Grad / Junior◆ Commonly asked
    #impact#star

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