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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

← Tata 1mg

New Grad / Junior Full-stack at Tata 1mg

Full-stackNew Grad / JuniorOffer◆ Commonly asked· 2025

5-round junior fullstack process. 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.

  • Rotate a matrix 90 degrees in place.
    New Grad / JuniorMedium◆ Commonly asked
    #matrix
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Longest increasing subsequence.
    New Grad / JuniorHard◆ Commonly asked
    #dp#binary-search
    PracticeLeetCode↗GeeksforGeeks↗
  • Merge two sorted linked lists.
    New Grad / JuniorEasy◆ Commonly asked
    #linked-list
    PracticeLeetCode↗GeeksforGeeks↗
  • Unique paths.
    New Grad / JuniorMedium◆ Commonly asked
    #dp#grid
    PracticeLeetCode↗GeeksforGeeks↗
03

Round 03 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build an in-memory pub/sub with topic subscriptions.
    New Grad / JuniorMedium◆ Commonly asked
    #pub-sub
    PracticeGeeksforGeeks↗Search↗
  • Build a kanban board with drag and drop.
    New Grad / JuniorHard◆ Commonly asked
    #react#dnd
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • How does HTTPS/TLS establish a secure connection?
    New Grad / JuniorMedium◆ Commonly asked
    #networking#security
    PracticeGeeksforGeeks↗Search↗
  • Difference between at-least-once and exactly-once delivery.
    New Grad / JuniorHard◆ Commonly asked
    #messaging
    PracticeGeeksforGeeks↗Search↗
  • How does the OAuth 2.0 authorization-code flow work?
    New Grad / JuniorMedium◆ Commonly asked
    #auth#security
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • How do you get up to speed on an unfamiliar codebase?
    New Grad / Junior◆ Commonly asked
    #learning
  • Tell me about a time you led without a title.
    New Grad / Junior◆ Commonly asked
    #leadership#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.