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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.

CC BY-NC 4.0 · © 2026

← Expedia

Senior Full-stack at Expedia

Full-stackSeniorOffer◆ Commonly asked· 2023

A senior fullstack loop. Pragmatic questions — more real-world than pure puzzles.

The loop · 6 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Search in a rotated sorted array.
    SeniorMedium◆ Commonly asked
    #binary-search
    PracticeLeetCode↗GeeksforGeeks↗
  • Merge intervals.
    SeniorMedium◆ Commonly asked
    #intervals#sorting
    PracticeLeetCode↗GeeksforGeeks↗
  • Merge two sorted linked lists.
    SeniorEasy◆ Commonly asked
    #linked-list
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Design and build a URL-shortener service (API + storage).
    SeniorMedium◆ Commonly asked
    #api#hashing
    PracticeGeeksforGeeks↗Search↗
  • Implement an exponential-backoff HTTP client.
    SeniorMedium◆ Commonly asked
    #reliability
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 2 questions

System Design

High-level architecture of a large-scale system.

  • Design a multi-tenant SaaS data model.
    SeniorHard◆ Commonly asked
    #multi-tenancy#databases
    PracticeGeeksforGeeks↗Search↗
  • Design a rate limiter for a public API.
    SeniorMedium◆ Commonly asked
    #token-bucket#redis
    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?
    SeniorMedium◆ Commonly asked
    #bundling#perf
    PracticeGeeksforGeeks↗Search↗
  • What is backpressure and how do you handle it?
    SeniorHard◆ Commonly asked
    #streaming#reliability
    PracticeGeeksforGeeks↗Search↗
  • How does a write-ahead log guarantee durability?
    SeniorHard◆ Commonly asked
    #databases
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 1 question

Hiring Manager

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

  • Tell me about a project that slipped. What did you do?
    Senior◆ Commonly asked
    #delivery
06

Round 06 · 2 questions

Behavioral / HR

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

  • Describe a time you had to deliver bad news.
    Senior◆ Commonly asked
    #communication#star
  • How do you get up to speed on an unfamiliar codebase?
    Senior◆ Commonly asked
    #learning

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