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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

← PhonePe

New Grad / Junior Backend at PhonePe

BackendNew Grad / JuniorOutcome unknown◆ Commonly asked· 2024

5-round junior backend process. 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.

  • Validate an IP address (IPv4 / IPv6).
    New Grad / JuniorMedium◆ Commonly asked
    #string#parsing
    PracticeGeeksforGeeks↗Search↗
02

Round 02 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Reverse nodes in k-group.
    New Grad / JuniorHard◆ Commonly asked
    #linked-list
    PracticeLeetCode↗GeeksforGeeks↗
  • Word search II.
    New Grad / JuniorHard◆ Commonly asked
    #trie#backtracking
    PracticeLeetCode↗GeeksforGeeks↗
  • Longest substring without repeating characters.
    New Grad / JuniorMedium◆ Commonly asked
    #sliding-window#string
    PracticeLeetCode↗GeeksforGeeks↗
03

Round 03 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Implement cursor-based pagination over a sorted dataset.
    New Grad / JuniorMedium◆ Commonly asked
    #pagination#api
    PracticeGeeksforGeeks↗Search↗
  • Implement a token-bucket rate limiter as a service.
    New Grad / JuniorMedium◆ Commonly asked
    #rate-limit
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • How do you run a zero-downtime database migration?
    New Grad / JuniorHard◆ Commonly asked
    #databases
    PracticeGeeksforGeeks↗Search↗
  • How do circuit breakers and bulkheads improve resilience?
    New Grad / JuniorMedium◆ Commonly asked
    #reliability
    PracticeGeeksforGeeks↗Search↗
  • Explain leader election and consensus (Raft) at a high level.
    New Grad / JuniorHard◆ Commonly asked
    #distributed#consensus
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • Describe handling a tight deadline with competing priorities.
    New Grad / Junior◆ Commonly asked
    #prioritization#star
  • Tell me about receiving hard feedback and acting on it.
    New Grad / Junior◆ Commonly asked
    #feedback#star

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