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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

← Spotify

Mid Full-stack at Spotify

Full-stackMidNo offer◆ Commonly asked· 2023

Mid fullstack interview. Coding-heavy early, design and behavioral later.

The loop · 5 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Clone a graph.
    MidMedium◆ Commonly asked
    #graph#dfs
    PracticeLeetCode↗GeeksforGeeks↗
  • Merge two sorted linked lists.
    MidEasy◆ Commonly asked
    #linked-list
    PracticeLeetCode↗GeeksforGeeks↗
  • Minimum window substring.
    MidHard◆ Commonly asked
    #sliding-window#string
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a color-picker with hex/rgb sync.
    MidMedium◆ Commonly asked
    #react#ui
    PracticeGeeksforGeeks↗Search↗
  • Parse and evaluate a simple expression/DSL.
    MidMedium◆ Commonly asked
    #parsing
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 1 question

Low-Level Design

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

  • Design a food-delivery order/dispatch model.
    MidHard◆ Commonly asked
    #oop#state-machine
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Explain how DNS resolution works end to end.
    MidMedium◆ Commonly asked
    #networking
    PracticeGeeksforGeeks↗Search↗
  • Explain how a hash index differs from a B-tree index.
    MidHard◆ Commonly asked
    #databases#indexing
    PracticeGeeksforGeeks↗Search↗
  • How do you code-split and lazy-load a route?
    MidMedium◆ Commonly asked
    #bundling#perf
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • Describe mentoring or unblocking another engineer.
    Mid◆ Commonly asked
    #mentorship#star
  • Describe a goal you set and how you achieved it.
    Mid◆ 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.