theloop
CompaniesRoundsQuestionsSearchProgress
theloop

Interview questions from top companies, mapped to the exact round they show up in. Prep for what you will actually face.

View source

Browse

CompaniesSearchAll rounds

Rounds

Online AssessmentDSA / CodingMachine CodingLow-Level Design

Contribute

Share an interviewReport an issueStar on GitHub

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

← Zepto

Senior Full-stack at Zepto

Full-stackSeniorRejected◆ Commonly asked· 2023

6-round senior fullstack process. Fast-paced; expect follow-ups that push on depth.

The loop · 6 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Product of array except self.
    SeniorMedium◆ Commonly asked
    #array#prefix-sum
    PracticeLeetCode↗GeeksforGeeks↗
  • Merge k sorted lists.
    SeniorHard◆ Commonly asked
    #heap#linked-list
    PracticeLeetCode↗GeeksforGeeks↗
  • Valid anagram.
    SeniorEasy◆ Commonly asked
    #string#hashmap
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build an in-memory pub/sub with topic subscriptions.
    SeniorMedium◆ Commonly asked
    #pub-sub
    PracticeGeeksforGeeks↗Search↗
  • Build a mini ORM query builder (select/where/join).
    SeniorHard◆ Commonly asked
    #parsing#sql
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 2 questions

System Design

High-level architecture of a large-scale system.

  • Design a news feed / timeline.
    SeniorHard◆ Commonly asked
    #fanout#ranking#cache
    PracticeGeeksforGeeks↗Search↗
  • Design a feature-flag service.
    SeniorMedium◆ Commonly asked
    #config#rollout
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Explain how you handle concurrency / race conditions.
    SeniorHard◆ Commonly asked
    #concurrency
    PracticeGeeksforGeeks↗Search↗
  • localStorage vs sessionStorage vs cookies — when to use each?
    SeniorEasy◆ Commonly asked
    #browser
    PracticeGeeksforGeeks↗Search↗
  • What is tree shaking and when does it fail?
    SeniorMedium◆ Commonly asked
    #bundling
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 1 question

Hiring Manager

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

  • Where do you want to grow in the next two years?
    Senior◆ Commonly asked
    #growth
06

Round 06 · 2 questions

Behavioral / HR

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

  • Describe a time you improved a process or tool for your team.
    Senior◆ Commonly asked
    #ownership#star
  • How do you handle competing priorities from two managers?
    Senior◆ Commonly asked
    #prioritization#star

Practice each round across every company

  • DSA / Coding
  • Machine Coding
  • System Design
  • 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.