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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

← ServiceNow

New Grad / Junior Frontend at ServiceNow

FrontendNew Grad / JuniorNo offer◆ Commonly asked· 2024

A junior frontend loop. Pragmatic questions — more real-world than pure puzzles.

The loop · 5 rounds

01

Round 01 · 1 question

Online Assessment

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

  • Implement a min-stack supporting getMin in O(1).
    New Grad / JuniorMedium◆ Commonly asked
    #stack
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Longest consecutive sequence.
    New Grad / JuniorMedium◆ Commonly asked
    #hashmap#array
    PracticeLeetCode↗GeeksforGeeks↗
  • Pow(x, n).
    New Grad / JuniorMedium◆ Commonly asked
    #math#recursion
    PracticeLeetCode↗GeeksforGeeks↗
  • Min cost to connect all points.
    New Grad / JuniorMedium◆ Commonly asked
    #graph#mst
    PracticeLeetCode↗GeeksforGeeks↗
03

Round 03 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a toast / notification queue.
    New Grad / JuniorMedium◆ Commonly asked
    #react#state
    PracticeGeeksforGeeks↗Search↗
  • Build a modal/dialog with focus trapping.
    New Grad / JuniorMedium◆ Commonly asked
    #react#a11y
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Explain server components vs client components.
    New Grad / JuniorHard◆ Commonly asked
    #react#ssr
    PracticeGeeksforGeeks↗Search↗
  • Explain how CSS-in-JS differs from utility CSS.
    New Grad / JuniorEasy◆ Commonly asked
    #css
    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.

  • Tell me about a project you are most proud of.
    New Grad / Junior◆ Commonly asked
    #star
  • Describe a goal you set and how you achieved it.
    New Grad / Junior◆ Commonly asked
    #ownership#star

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