theloop
CompaniesRoundsQuestionsSearchProgress
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 GitHub

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

← Fireworks AI

New Grad / Junior Frontend at Fireworks AI

FrontendNew Grad / JuniorOffer◆ Commonly asked· 2025

5-round junior frontend process. Coding-heavy early, design and behavioral later.

The loop · 5 rounds

01

Round 01 · 1 question

Online Assessment

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

  • Find the number of distinct substrings of length k.
    New Grad / JuniorMedium◆ Commonly asked
    #sliding-window#string
    PracticeGeeksforGeeks↗Search↗
02

Round 02 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Combination sum.
    New Grad / JuniorMedium◆ Commonly asked
    #backtracking
    PracticeLeetCode↗GeeksforGeeks↗
  • Min cost to connect all points.
    New Grad / JuniorMedium◆ Commonly asked
    #graph#mst
    PracticeLeetCode↗GeeksforGeeks↗
  • Climbing stairs.
    New Grad / JuniorEasy◆ Commonly asked
    #dp
    PracticeLeetCode↗GeeksforGeeks↗
03

Round 03 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a kanban board with drag and drop.
    New Grad / JuniorHard◆ Commonly asked
    #react#dnd
    PracticeGeeksforGeeks↗Search↗
  • Build a star-rating component (controlled + accessible).
    New Grad / JuniorEasy◆ Commonly asked
    #react#a11y
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • What is the virtual DOM and why does it help?
    New Grad / JuniorMedium◆ Commonly asked
    #react
    PracticeGeeksforGeeks↗Search↗
  • How do you implement dark mode without a flash?
    New Grad / JuniorMedium◆ Commonly asked
    #css#ssr
    PracticeGeeksforGeeks↗Search↗
  • Closures and the module pattern — with an example.
    New Grad / JuniorEasy◆ Commonly asked
    #javascript#closures
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • When did you have to make a decision with incomplete data?
    New Grad / Junior◆ Commonly asked
    #judgment#star
  • Tell me about a time you failed and what you learned.
    New Grad / Junior◆ Commonly asked
    #growth#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.