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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

← NoBroker

Senior Frontend at NoBroker

FrontendSeniorNo offer◆ Commonly asked· 2023

Senior frontend interview. Fundamentals mattered as much as getting to an answer.

The loop · 6 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Merge k sorted lists.
    SeniorHard◆ Commonly asked
    #heap#linked-list
    PracticeLeetCode↗GeeksforGeeks↗
  • Daily temperatures.
    SeniorMedium◆ Commonly asked
    #stack#monotonic-stack
    PracticeLeetCode↗GeeksforGeeks↗
  • Word ladder — shortest transformation sequence.
    SeniorHard◆ Commonly asked
    #bfs#graph
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a color-picker with hex/rgb sync.
    SeniorMedium◆ Commonly asked
    #react#ui
    PracticeGeeksforGeeks↗Search↗
  • Build an accessible accordion with single/multi open.
    SeniorMedium◆ Commonly asked
    #react#a11y
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 2 questions

System Design

High-level architecture of a large-scale system.

  • Design a notification system (push/email/SMS).
    SeniorMedium◆ Commonly asked
    #queues#fanout
    PracticeGeeksforGeeks↗Search↗
  • Design a URL shortener like TinyURL.
    SeniorMedium◆ Commonly asked
    #hashing#cache#sharding
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Explain how Promises work and implement Promise.all.
    SeniorMedium◆ Commonly asked
    #javascript#async
    PracticeGeeksforGeeks↗Search↗
  • Explain Core Web Vitals (LCP, CLS, INP) and how to improve them.
    SeniorHard◆ Commonly asked
    #perf
    PracticeGeeksforGeeks↗Search↗
  • Explain the difference between SSR, SSG, and ISR.
    SeniorMedium◆ Commonly asked
    #ssr#rendering
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 1 question

Hiring Manager

Scope, ownership, and role-fit discussion with the manager.

  • How do you decide what to build vs. buy vs. defer?
    Senior◆ Commonly asked
    #judgment
06

Round 06 · 2 questions

Behavioral / HR

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

  • Tell me about a time you simplified something overly complex.
    Senior◆ Commonly asked
    #judgment#star
  • Describe a goal you set and how you achieved it.
    Senior◆ Commonly asked
    #ownership#star

Practice each round across every company

  • DSA / Coding
  • Machine Coding
  • System Design
  • Tech Deep-Dive
  • Hiring Manager
  • 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.