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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.

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← Coinbase

New Grad / Junior Full-stack at Coinbase

Full-stackNew Grad / JuniorNo offer◆ Commonly asked· 2024

Junior fullstack interview. Balanced across coding, design, and collaboration.

The loop · 5 rounds

01

Round 01 · 1 question

Online Assessment

Timed online coding / aptitude screen, usually the first filter.

  • Given a list of transactions, detect fraudulent patterns.
    New Grad / JuniorMedium◆ Commonly asked
    #hashmap#simulation
    PracticeGeeksforGeeks↗Search↗
02

Round 02 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Meeting rooms II — minimum rooms required.
    New Grad / JuniorMedium◆ Commonly asked
    #heap#intervals
    PracticeLeetCode↗GeeksforGeeks↗
  • House robber.
    New Grad / JuniorMedium◆ Commonly asked
    #dp
    PracticeLeetCode↗GeeksforGeeks↗
  • Edit distance.
    New Grad / JuniorHard◆ Commonly asked
    #dp#string
    PracticeLeetCode↗GeeksforGeeks↗
03

Round 03 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a modal/dialog with focus trapping.
    New Grad / JuniorMedium◆ Commonly asked
    #react#a11y
    PracticeGeeksforGeeks↗Search↗
  • Build a color-picker with hex/rgb sync.
    New Grad / JuniorMedium◆ Commonly asked
    #react#ui
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Explain how you handle concurrency / race conditions.
    New Grad / JuniorHard◆ Commonly asked
    #concurrency
    PracticeGeeksforGeeks↗Search↗
  • How does a service worker enable offline support?
    New Grad / JuniorMedium◆ Commonly asked
    #pwa#offline
    PracticeGeeksforGeeks↗Search↗
  • How does a load balancer choose a backend?
    New Grad / JuniorMedium◆ Commonly asked
    #networking
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • Describe something you shipped that you were not proud of.
    New Grad / Junior◆ Commonly asked
    #tradeoffs#star
  • Tell me about receiving hard feedback and acting on it.
    New Grad / Junior◆ Commonly asked
    #feedback#star

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