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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

← Red Hat

New Grad / Junior Frontend at Red Hat

FrontendNew Grad / JuniorNo offer◆ Commonly asked· 2023

Junior frontend interview. Fast-paced; expect follow-ups that push on depth.

The loop · 5 rounds

01

Round 01 · 1 question

Online Assessment

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

  • Aptitude and logical-reasoning section.
    New Grad / JuniorEasy◆ Commonly asked
    #aptitude
    PracticeGeeksforGeeks↗Search↗
02

Round 02 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Longest palindromic substring.
    New Grad / JuniorMedium◆ Commonly asked
    #string#dp
    PracticeLeetCode↗GeeksforGeeks↗
  • Sliding window maximum.
    New Grad / JuniorHard◆ Commonly asked
    #deque#sliding-window
    PracticeLeetCode↗GeeksforGeeks↗
  • Meeting rooms II — minimum rooms required.
    New Grad / JuniorMedium◆ Commonly asked
    #heap#intervals
    PracticeLeetCode↗GeeksforGeeks↗
03

Round 03 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a virtualized chat window that loads older messages.
    New Grad / JuniorHard◆ Commonly asked
    #react#virtualization
    PracticeGeeksforGeeks↗Search↗
  • Build a form builder that renders from a JSON schema.
    New Grad / JuniorHard◆ Commonly asked
    #react#forms
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Event delegation and how bubbling/capturing work.
    New Grad / JuniorEasy◆ Commonly asked
    #dom
    PracticeGeeksforGeeks↗Search↗
  • What causes layout thrashing and how do you avoid it?
    New Grad / JuniorHard◆ Commonly asked
    #perf#dom
    PracticeGeeksforGeeks↗Search↗
  • How does a service worker enable offline support?
    New Grad / JuniorMedium◆ Commonly asked
    #pwa#offline
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • How do you handle being blocked for several days?
    New Grad / Junior◆ Commonly asked
    #ownership#star
  • Tell me about a project you are most proud of.
    New Grad / Junior◆ Commonly asked
    #star

Practice each round across every company

  • Online Assessment
  • DSA / Coding
  • Machine Coding
  • 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.