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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

← Zynga

Senior Frontend at Zynga

FrontendSeniorOutcome unknown◆ Commonly asked· 2024

A senior frontend loop. Fundamentals mattered as much as getting to an answer.

The loop · 6 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Permutations.
    SeniorMedium◆ Commonly asked
    #backtracking
    PracticeLeetCode↗GeeksforGeeks↗
  • Edit distance.
    SeniorHard◆ Commonly asked
    #dp#string
    PracticeLeetCode↗GeeksforGeeks↗
  • Maximum subarray (Kadane).
    SeniorMedium◆ Commonly asked
    #array#dp
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a multi-step form with validation.
    SeniorMedium◆ Commonly asked
    #react#forms
    PracticeGeeksforGeeks↗Search↗
  • Build a nested, collapsible comment thread.
    SeniorMedium◆ Commonly asked
    #react#recursion
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 2 questions

System Design

High-level architecture of a large-scale system.

  • Design client-side state and data-fetching for a large SPA.
    SeniorHard◆ Commonly asked
    #frontend#state#caching
    PracticeGeeksforGeeks↗Search↗
  • Design a ticket booking system (inventory + concurrency).
    SeniorHard◆ Commonly asked
    #concurrency#transactions
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • How do you prevent XSS in a React app?
    SeniorMedium◆ Commonly asked
    #security#react
    PracticeGeeksforGeeks↗Search↗
  • What is the virtual DOM and why does it help?
    SeniorMedium◆ Commonly asked
    #react
    PracticeGeeksforGeeks↗Search↗
  • Closures and the module pattern — with an example.
    SeniorEasy◆ Commonly asked
    #javascript#closures
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 1 question

Hiring Manager

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

  • How do you give difficult feedback to a peer?
    Senior◆ Commonly asked
    #leadership
06

Round 06 · 2 questions

Behavioral / HR

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

  • Describe mentoring or unblocking another engineer.
    Senior◆ Commonly asked
    #mentorship#star
  • Tell me about the most impactful project of your career.
    Senior◆ Commonly asked
    #impact#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.