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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

← Coursera

Mid Full-stack at Coursera

Full-stackMidOffer◆ Commonly asked· 2023

Mid fullstack interview. Fundamentals mattered as much as getting to an answer.

The loop · 5 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Top K frequent elements.
    MidMedium◆ Commonly asked
    #heap#hashmap
    PracticeLeetCode↗GeeksforGeeks↗
  • Binary tree maximum path sum.
    MidHard◆ Commonly asked
    #tree#dfs
    PracticeLeetCode↗GeeksforGeeks↗
  • Longest palindromic substring.
    MidMedium◆ Commonly asked
    #string#dp
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a nested, collapsible comment thread.
    MidMedium◆ Commonly asked
    #react#recursion
    PracticeGeeksforGeeks↗Search↗
  • Build a CSV importer that streams and validates rows.
    MidMedium◆ Commonly asked
    #streaming#validation
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 1 question

Low-Level Design

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

  • Design a design-token theming system.
    MidMedium◆ Commonly asked
    #design-system
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • What causes layout thrashing and how do you avoid it?
    MidHard◆ Commonly asked
    #perf#dom
    PracticeGeeksforGeeks↗Search↗
  • How do you run a zero-downtime database migration?
    MidHard◆ Commonly asked
    #databases
    PracticeGeeksforGeeks↗Search↗
  • Explain eventual consistency with a real example.
    MidHard◆ Commonly asked
    #distributed
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • A time you made a mistake in production — what happened next?
    Mid◆ Commonly asked
    #ownership#star
  • Describe handling a tight deadline with competing priorities.
    Mid◆ Commonly asked
    #prioritization#star

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