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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

← Byju's

Mid Full-stack at Byju's

Full-stackMidRejected◆ Commonly asked· 2025

5-round mid fullstack process. Coding-heavy early, design and behavioral later.

The loop · 5 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Median of two sorted arrays.
    MidHard◆ Commonly asked
    #binary-search
    PracticeLeetCode↗GeeksforGeeks↗
  • Longest consecutive sequence.
    MidMedium◆ Commonly asked
    #hashmap#array
    PracticeLeetCode↗GeeksforGeeks↗
  • Two Sum — return indices of numbers adding to a target.
    MidEasy◆ Commonly asked
    #array#hashmap
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Parse and evaluate a simple expression/DSL.
    MidMedium◆ Commonly asked
    #parsing
    PracticeGeeksforGeeks↗Search↗
  • Design and build a URL-shortener service (API + storage).
    MidMedium◆ Commonly asked
    #api#hashing
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 1 question

Low-Level Design

Object-oriented / low-level design of a focused module.

  • Design a data-fetching cache with invalidation.
    MidHard◆ Commonly asked
    #cache#oop
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Explain database replication lag and how to mitigate it.
    MidMedium◆ Commonly asked
    #databases#replication
    PracticeGeeksforGeeks↗Search↗
  • ACID vs BASE and transaction isolation levels.
    MidHard◆ Commonly asked
    #databases#transactions
    PracticeGeeksforGeeks↗Search↗
  • Explain how a hash index differs from a B-tree index.
    MidHard◆ Commonly asked
    #databases#indexing
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • When did you have to make a decision with incomplete data?
    Mid◆ Commonly asked
    #judgment#star
  • Tell me about a time you disagreed and committed.
    Mid◆ Commonly asked
    #teamwork#star

Practice each round across every company

  • DSA / Coding
  • Machine Coding
  • Low-Level Design
  • 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.