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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

← PwC

Mid Backend at PwC

BackendMidOffer◆ Commonly asked· 2024

A mid backend hiring drive. Basic programming plus core CS; communication mattered throughout.

The loop · 5 rounds

01

Round 01 · 3 questions

Online Assessment

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

  • Pseudocode: predict the output of the given code block.
    MidMedium◆ Commonly asked
    #pseudocode
    PracticeGeeksforGeeks↗Search↗
  • Logical reasoning: data interpretation from charts and tables.
    MidMedium◆ Commonly asked
    #reasoning
    PracticeGeeksforGeeks↗Search↗
  • Pseudocode: spot the error in the given snippet.
    MidMedium◆ Commonly asked
    #pseudocode
    PracticeGeeksforGeeks↗Search↗
02

Round 02 · 2 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Check whether a number is an Armstrong number.
    MidEasy◆ Commonly asked
    #math
    PracticeGeeksforGeeks↗Search↗
  • Find the factorial of a number using recursion.
    MidEasy◆ Commonly asked
    #recursion
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 4 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Explain the static and final keywords in Java.
    MidEasy◆ Commonly asked
    #java
    PracticeGeeksforGeeks↗Search↗
  • Difference between stack and heap memory.
    MidEasy◆ Commonly asked
    #fundamentals
    PracticeGeeksforGeeks↗Search↗
  • Explain SQL joins: inner, left, right and full outer.
    MidEasy◆ Commonly asked
    #sql
    PracticeGeeksforGeeks↗Search↗
  • Difference between a structure and a union in C.
    MidEasy◆ Commonly asked
    #c
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 2 questions

Hiring Manager

Scope, ownership, and role-fit discussion with the manager.

  • Tell me about a production issue you helped resolve.
    Mid◆ Commonly asked
  • How do you estimate the effort for a module assigned to you?
    Mid◆ Commonly asked
05

Round 05 · 3 questions

Behavioral / HR

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

  • Why should we hire you?
    Mid◆ Commonly asked
  • What are your interests outside academics?
    Mid◆ Commonly asked
  • Are you comfortable signing the service agreement / bond?
    Mid◆ Commonly asked

Practice each round across every company

  • Online Assessment
  • DSA / Coding
  • Tech Deep-Dive
  • Hiring Manager
  • 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.