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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

← Lovable

New Grad / Junior Backend at Lovable

BackendNew Grad / JuniorWithdrew◆ Commonly asked· 2025

Junior backend interview. 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.

  • Simulate a simple inventory system from a spec.
    New Grad / JuniorMedium◆ Commonly asked
    #simulation
    PracticeGeeksforGeeks↗Search↗
02

Round 02 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Set matrix zeroes.
    New Grad / JuniorMedium◆ Commonly asked
    #matrix
    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.

  • Implement a token-bucket rate limiter as a service.
    New Grad / JuniorMedium◆ Commonly asked
    #rate-limit
    PracticeGeeksforGeeks↗Search↗
  • Build a URL health checker with a concurrency limit.
    New Grad / JuniorMedium◆ Commonly asked
    #concurrency
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • How does a write-ahead log guarantee durability?
    New Grad / JuniorHard◆ Commonly asked
    #databases
    PracticeGeeksforGeeks↗Search↗
  • How does a bloom filter work and when would you use one?
    New Grad / JuniorMedium◆ Commonly asked
    #data-structures#probabilistic
    PracticeGeeksforGeeks↗Search↗
  • Explain the difference between horizontal and vertical scaling.
    New Grad / JuniorEasy◆ Commonly asked
    #scale
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • Tell me about a time you simplified something overly complex.
    New Grad / Junior◆ Commonly asked
    #judgment#star
  • Tell me about a time you went above and beyond for a customer.
    New Grad / Junior◆ Commonly asked
    #customer#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.