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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

← Reddit

New Grad / Junior Frontend at Reddit

FrontendNew Grad / JuniorOffer◆ Commonly asked· 2023

Junior frontend interview. 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.

  • Compute the running median of a stream.
    New Grad / JuniorHard◆ Commonly asked
    #heap
    PracticeGeeksforGeeks↗Search↗
02

Round 02 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Word break.
    New Grad / JuniorMedium◆ Commonly asked
    #dp#string
    PracticeLeetCode↗GeeksforGeeks↗
  • Edit distance.
    New Grad / JuniorHard◆ Commonly asked
    #dp#string
    PracticeLeetCode↗GeeksforGeeks↗
  • Group anagrams from a list of strings.
    New Grad / JuniorMedium◆ Commonly asked
    #hashmap#string
    PracticeLeetCode↗GeeksforGeeks↗
03

Round 03 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a debounced autocomplete/search box with keyboard nav.
    New Grad / JuniorMedium◆ Commonly asked
    #react#debounce#a11y
    PracticeGeeksforGeeks↗Search↗
  • Build a multi-step form with validation.
    New Grad / JuniorMedium◆ Commonly asked
    #react#forms
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • How do you code-split and lazy-load a route?
    New Grad / JuniorMedium◆ Commonly asked
    #bundling#perf
    PracticeGeeksforGeeks↗Search↗
  • What are React keys and why do they matter?
    New Grad / JuniorEasy◆ Commonly asked
    #react
    PracticeGeeksforGeeks↗Search↗
  • Explain server components vs client components.
    New Grad / JuniorHard◆ Commonly asked
    #react#ssr
    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
  • A time you made a mistake in production — what happened next?
    New Grad / Junior◆ Commonly asked
    #ownership#star

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