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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

← Urban Company

Mid Frontend at Urban Company

FrontendMidWithdrew◆ Commonly asked· 2025

A mid frontend loop. Pragmatic questions — more real-world than pure puzzles.

The loop · 5 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Coin change — fewest coins to make an amount.
    MidMedium◆ Commonly asked
    #dp
    PracticeLeetCode↗GeeksforGeeks↗
  • Diameter of a binary tree.
    MidEasy◆ Commonly asked
    #tree#dfs
    PracticeLeetCode↗GeeksforGeeks↗
  • Sliding window maximum.
    MidHard◆ Commonly asked
    #deque#sliding-window
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a modal/dialog with focus trapping.
    MidMedium◆ Commonly asked
    #react#a11y
    PracticeGeeksforGeeks↗Search↗
  • Build a tic-tac-toe game with win detection.
    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 a virtual DOM diffing model.
    MidHard◆ Commonly asked
    #oop#algorithms
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Explain the CSS box model and box-sizing.
    MidEasy◆ Commonly asked
    #css
    PracticeGeeksforGeeks↗Search↗
  • How does React batching and the render phase work?
    MidHard◆ Commonly asked
    #react
    PracticeGeeksforGeeks↗Search↗
  • Explain prototypal inheritance.
    MidMedium◆ Commonly asked
    #javascript
    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
  • How do you get up to speed on an unfamiliar codebase?
    Mid◆ Commonly asked
    #learning

Practice each round across every company

  • DSA / Coding
  • Machine Coding
  • Low-Level Design
  • Tech Deep-Dive
  • Behavioral / HR

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