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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

← Infosys

Mid Full-stack at Infosys

Full-stackMidNo offer◆ Commonly asked· 2024

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.

  • Lowest common ancestor of a binary tree.
    MidMedium◆ Commonly asked
    #tree
    PracticeLeetCode↗GeeksforGeeks↗
  • Find minimum in rotated sorted array.
    MidMedium◆ Commonly asked
    #binary-search
    PracticeLeetCode↗GeeksforGeeks↗
  • Set matrix zeroes.
    MidMedium◆ Commonly asked
    #matrix
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a "Wordle" clone with keyboard input.
    MidMedium◆ Commonly asked
    #react#state
    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 deck of cards + a card game.
    MidEasy◆ Commonly asked
    #oop
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • How do you run a zero-downtime database migration?
    MidHard◆ Commonly asked
    #databases
    PracticeGeeksforGeeks↗Search↗
  • How does a write-ahead log guarantee durability?
    MidHard◆ Commonly asked
    #databases
    PracticeGeeksforGeeks↗Search↗
  • Closures and the module pattern — with an example.
    MidEasy◆ Commonly asked
    #javascript#closures
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • Tell me about receiving hard feedback and acting on it.
    Mid◆ Commonly asked
    #feedback#star
  • Tell me about a time you failed and what you learned.
    Mid◆ Commonly asked
    #growth#star

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