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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

← Airbnb

Mid Full-stack at Airbnb

Full-stackMidNo offer◆ Commonly asked· 2023

5-round mid fullstack process. 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.

  • Insert interval.
    MidMedium◆ Commonly asked
    #intervals
    PracticeLeetCode↗GeeksforGeeks↗
  • Longest substring without repeating characters.
    MidMedium◆ Commonly asked
    #sliding-window#string
    PracticeLeetCode↗GeeksforGeeks↗
  • Longest consecutive sequence.
    MidMedium◆ Commonly asked
    #hashmap#array
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a REST endpoint with pagination, filtering and sorting.
    MidMedium◆ Commonly asked
    #api#pagination
    PracticeGeeksforGeeks↗Search↗
  • Build a "connect four" game with win detection.
    MidMedium◆ Commonly asked
    #react#state
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 1 question

Low-Level Design

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

  • Design a logging library with levels and sinks.
    MidMedium◆ Commonly asked
    #oop
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • ACID vs BASE and transaction isolation levels.
    MidHard◆ Commonly asked
    #databases#transactions
    PracticeGeeksforGeeks↗Search↗
  • Explain how you handle concurrency / race conditions.
    MidHard◆ Commonly asked
    #concurrency
    PracticeGeeksforGeeks↗Search↗
  • How do you prevent XSS in a React app?
    MidMedium◆ Commonly asked
    #security#react
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • Describe a disagreement on a code review and how it ended.
    Mid◆ Commonly asked
    #conflict#star
  • Tell me about receiving hard feedback and acting on it.
    Mid◆ Commonly asked
    #feedback#star

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