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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

← Aurora

New Grad / Junior Backend at Aurora

BackendNew Grad / JuniorRejected◆ Commonly asked· 2024

5-round junior backend process. 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.

  • Debugging + output-prediction multiple choice section.
    New Grad / JuniorEasy◆ Commonly asked
    #fundamentals
    PracticeGeeksforGeeks↗Search↗
02

Round 02 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Pacific Atlantic water flow.
    New Grad / JuniorMedium◆ Commonly asked
    #dfs#grid
    PracticeLeetCode↗GeeksforGeeks↗
  • Merge intervals.
    New Grad / JuniorMedium◆ Commonly asked
    #intervals#sorting
    PracticeLeetCode↗GeeksforGeeks↗
  • Same tree.
    New Grad / JuniorEasy◆ Commonly asked
    #tree
    PracticeLeetCode↗GeeksforGeeks↗
03

Round 03 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Implement a JSON config loader with env overrides.
    New Grad / JuniorEasy◆ Commonly asked
    #config
    PracticeGeeksforGeeks↗Search↗
  • Implement an exponential-backoff HTTP client.
    New Grad / JuniorMedium◆ Commonly asked
    #reliability
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Explain eventual consistency with a real example.
    New Grad / JuniorHard◆ Commonly asked
    #distributed
    PracticeGeeksforGeeks↗Search↗
  • Explain JWT structure and common pitfalls.
    New Grad / JuniorMedium◆ Commonly asked
    #auth#security
    PracticeGeeksforGeeks↗Search↗
  • Explain how DNS resolution works end to end.
    New Grad / JuniorMedium◆ Commonly asked
    #networking
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • Describe something you shipped that you were not proud of.
    New Grad / Junior◆ Commonly asked
    #tradeoffs#star
  • Describe working with an ambiguous or shifting requirement.
    New Grad / Junior◆ Commonly asked
    #ambiguity#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.