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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.

MIT · © 2026

← Flexport

New Grad / Junior Frontend at Flexport

FrontendNew Grad / JuniorOutcome unknown◆ 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.

  • Compute the running median of a stream.
    New Grad / JuniorHard◆ Commonly asked
    #heap
    PracticeGeeksforGeeks↗Search↗
02

Round 02 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Rotting oranges.
    New Grad / JuniorMedium◆ Commonly asked
    #bfs#grid
    PracticeLeetCode↗GeeksforGeeks↗
  • Set matrix zeroes.
    New Grad / JuniorMedium◆ Commonly asked
    #matrix
    PracticeLeetCode↗GeeksforGeeks↗
  • Longest increasing subsequence.
    New Grad / JuniorHard◆ Commonly asked
    #dp#binary-search
    PracticeLeetCode↗GeeksforGeeks↗
03

Round 03 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build an infinite-scrolling list with virtualization.
    New Grad / JuniorHard◆ Commonly asked
    #react#virtualization#perf
    PracticeGeeksforGeeks↗Search↗
  • Build a debounced autocomplete/search box with keyboard nav.
    New Grad / JuniorMedium◆ Commonly asked
    #react#debounce#a11y
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • What causes layout thrashing and how do you avoid it?
    New Grad / JuniorHard◆ Commonly asked
    #perf#dom
    PracticeGeeksforGeeks↗Search↗
  • Explain the CSS box model and box-sizing.
    New Grad / JuniorEasy◆ Commonly asked
    #css
    PracticeGeeksforGeeks↗Search↗
  • Explain prototypal inheritance.
    New Grad / JuniorMedium◆ Commonly asked
    #javascript
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • Describe a time you disagreed with a teammate. How did it resolve?
    New Grad / Junior◆ Commonly asked
    #conflict#star
  • Why this company, and why this role?
    New Grad / Junior◆ Commonly asked
    #motivation

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