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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

← Clerk

New Grad / Junior Backend at Clerk

BackendNew Grad / JuniorNo offer◆ Commonly asked· 2023

Junior backend interview. Fast-paced; expect follow-ups that push on depth.

The loop · 5 rounds

01

Round 01 · 1 question

Online Assessment

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

  • Move zeroes to the end in place.
    New Grad / JuniorEasy◆ Commonly asked
    #two-pointers
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Kth largest element in an array.
    New Grad / JuniorMedium◆ Commonly asked
    #heap#quickselect
    PracticeLeetCode↗GeeksforGeeks↗
  • Reverse nodes in k-group.
    New Grad / JuniorHard◆ Commonly asked
    #linked-list
    PracticeLeetCode↗GeeksforGeeks↗
  • Best time to buy and sell stock.
    New Grad / JuniorEasy◆ Commonly asked
    #array#greedy
    PracticeLeetCode↗GeeksforGeeks↗
03

Round 03 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Implement an exponential-backoff HTTP client.
    New Grad / JuniorMedium◆ Commonly asked
    #reliability
    PracticeGeeksforGeeks↗Search↗
  • Implement a leaderboard API backed by a sorted set.
    New Grad / JuniorMedium◆ Commonly asked
    #redis#ranking
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • How would you design and version a public REST API?
    New Grad / JuniorMedium◆ Commonly asked
    #api-design
    PracticeGeeksforGeeks↗Search↗
  • Explain leader election and consensus (Raft) at a high level.
    New Grad / JuniorHard◆ Commonly asked
    #distributed#consensus
    PracticeGeeksforGeeks↗Search↗
  • Message queues vs pub/sub — when to use each.
    New Grad / JuniorMedium◆ Commonly asked
    #messaging
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • When did you change your mind after seeing new evidence?
    New Grad / Junior◆ Commonly asked
    #judgment#star
  • Describe a conflict with your manager and the outcome.
    New Grad / Junior◆ Commonly asked
    #conflict#star

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