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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

← Samsung

Mid Full-stack at Samsung

Full-stackMidWithdrew◆ Commonly asked· 2025

Mid fullstack interview. 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.

  • Set matrix zeroes.
    MidMedium◆ Commonly asked
    #matrix
    PracticeLeetCode↗GeeksforGeeks↗
  • Pacific Atlantic water flow.
    MidMedium◆ Commonly asked
    #dfs#grid
    PracticeLeetCode↗GeeksforGeeks↗
  • Find median from data stream.
    MidHard◆ Commonly asked
    #heap#design
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a background job runner with priorities.
    MidMedium◆ Commonly asked
    #queue#workers
    PracticeGeeksforGeeks↗Search↗
  • Build a carousel/image slider.
    MidMedium◆ Commonly asked
    #react#ui
    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.

  • How does HTTPS/TLS establish a secure connection?
    MidMedium◆ Commonly asked
    #networking#security
    PracticeGeeksforGeeks↗Search↗
  • Compare rate-limiting algorithms and their trade-offs.
    MidMedium◆ Commonly asked
    #rate-limit
    PracticeGeeksforGeeks↗Search↗
  • What is the virtual DOM and why does it help?
    MidMedium◆ Commonly asked
    #react
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • Describe handling a tight deadline with competing priorities.
    Mid◆ Commonly asked
    #prioritization#star
  • Describe a conflict with your manager and the outcome.
    Mid◆ Commonly asked
    #conflict#star

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