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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

← Chime

Mid Full-stack at Chime

Full-stackMidWithdrew◆ Commonly asked· 2024

A mid fullstack loop. 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.

  • Word ladder — shortest transformation sequence.
    MidHard◆ Commonly asked
    #bfs#graph
    PracticeLeetCode↗GeeksforGeeks↗
  • Valid Parentheses — check balanced brackets.
    MidEasy◆ Commonly asked
    #stack#string
    PracticeLeetCode↗GeeksforGeeks↗
  • Implement a trie (prefix tree).
    MidMedium◆ Commonly asked
    #trie
    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).
    MidMedium◆ Commonly asked
    #api#hashing
    PracticeGeeksforGeeks↗Search↗
  • Build a to-do app with filters and localStorage persistence.
    MidEasy◆ Commonly asked
    #react#state
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 1 question

Low-Level Design

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

  • Design classes for a parking lot.
    MidMedium◆ Commonly asked
    #oop#design-patterns
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • How do you design a schema for a multi-currency ledger?
    MidHard◆ Commonly asked
    #databases#money
    PracticeGeeksforGeeks↗Search↗
  • localStorage vs sessionStorage vs cookies — when to use each?
    MidEasy◆ Commonly asked
    #browser
    PracticeGeeksforGeeks↗Search↗
  • How do you prevent and detect N+1 queries?
    MidMedium◆ Commonly asked
    #databases#orm
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • When did you change your mind after seeing new evidence?
    Mid◆ Commonly asked
    #judgment#star
  • How do you get up to speed on an unfamiliar codebase?
    Mid◆ 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.