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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

← Citadel

New Grad / Junior Frontend at Citadel

FrontendNew Grad / JuniorRejected◆ Commonly asked· 2023

5-round junior frontend process. 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.

  • Same tree.
    New Grad / JuniorEasy◆ Commonly asked
    #tree
    PracticeLeetCode↗GeeksforGeeks↗
  • Minimum window substring.
    New Grad / JuniorHard◆ Commonly asked
    #sliding-window#string
    PracticeLeetCode↗GeeksforGeeks↗
  • Coin change — fewest coins to make an amount.
    New Grad / JuniorMedium◆ Commonly asked
    #dp
    PracticeLeetCode↗GeeksforGeeks↗
03

Round 03 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a form builder that renders from a JSON schema.
    New Grad / JuniorHard◆ Commonly asked
    #react#forms
    PracticeGeeksforGeeks↗Search↗
  • Build a toast / notification queue.
    New Grad / JuniorMedium◆ Commonly asked
    #react#state
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • How do you prevent XSS in a React app?
    New Grad / JuniorMedium◆ Commonly asked
    #security#react
    PracticeGeeksforGeeks↗Search↗
  • Explain the CSS box model and box-sizing.
    New Grad / JuniorEasy◆ Commonly asked
    #css
    PracticeGeeksforGeeks↗Search↗
  • Explain the difference between == and === and coercion.
    New Grad / JuniorEasy◆ Commonly asked
    #javascript
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • Tell me about receiving hard feedback and acting on it.
    New Grad / Junior◆ Commonly asked
    #feedback#star
  • Tell me about a project you are most proud of.
    New Grad / Junior◆ Commonly asked
    #star

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