theloop
CompaniesRoundsQuestionsSearchProgress
Frontend prep↗
theloop

Interview questions from top companies, mapped to the exact round they show up in. Prep for what you will actually face.

View source

Browse

CompaniesSearchAll rounds

Rounds

Online AssessmentDSA / CodingMachine CodingLow-Level Design

Contribute

Share an interviewReport an issueStar on GitHubFrontend interview prep ↗

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

← CoreWeave

Mid Frontend at CoreWeave

FrontendMidWithdrew◆ Commonly asked· 2025

Mid frontend interview. Coding-heavy early, design and behavioral later.

The loop · 5 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Insert interval.
    MidMedium◆ Commonly asked
    #intervals
    PracticeLeetCode↗GeeksforGeeks↗
  • Maximum subarray (Kadane).
    MidMedium◆ Commonly asked
    #array#dp
    PracticeLeetCode↗GeeksforGeeks↗
  • Top K frequent elements.
    MidMedium◆ Commonly asked
    #heap#hashmap
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a to-do app with filters and localStorage persistence.
    MidEasy◆ Commonly asked
    #react#state
    PracticeGeeksforGeeks↗Search↗
  • Build a "connect four" game with win detection.
    MidMedium◆ Commonly asked
    #react#state
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 1 question

Low-Level Design

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

  • Design an undo/redo stack for an editor.
    MidMedium◆ Commonly asked
    #oop#command
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Explain the JS event loop: microtasks vs macrotasks.
    MidMedium◆ Commonly asked
    #javascript#event-loop
    PracticeGeeksforGeeks↗Search↗
  • Accessibility: how do you make a custom widget usable?
    MidMedium◆ Commonly asked
    #a11y
    PracticeGeeksforGeeks↗Search↗
  • Explain how CSS-in-JS differs from utility CSS.
    MidEasy◆ Commonly asked
    #css
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • Tell me about a time you disagreed and committed.
    Mid◆ Commonly asked
    #teamwork#star
  • Tell me about the hardest bug you have debugged.
    Mid◆ Commonly asked
    #debugging#star

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.