theloop
CompaniesRoundsQuestionsSearchProgress
Frontend prep↗
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 GitHubFrontend interview prep ↗

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

← Thoughtworks

Staff+ Frontend at Thoughtworks

FrontendStaff+Rejected◆ Commonly asked· 2024

5-round staff frontend 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.

  • Course Schedule II.
    Staff+Medium◆ Commonly asked
    #graph#topo-sort
    PracticeLeetCode↗GeeksforGeeks↗
  • Unique paths.
    Staff+Medium◆ Commonly asked
    #dp#grid
    PracticeLeetCode↗GeeksforGeeks↗
  • Validate a binary search tree.
    Staff+Medium◆ Commonly asked
    #tree#dfs
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 1 question

Low-Level Design

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

  • Design a keyboard-shortcut registry.
    Staff+Medium◆ Commonly asked
    #oop
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 2 questions

System Design

High-level architecture of a large-scale system.

  • Design an online code judge / evaluator.
    Staff+Hard◆ Commonly asked
    #sandboxing#queues
    PracticeGeeksforGeeks↗Search↗
  • Design an image-heavy gallery with lazy loading and a CDN.
    Staff+Medium◆ Commonly asked
    #frontend#perf#cdn
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 1 question

Hiring Manager

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

  • Walk me through a technical trade-off you regret.
    Staff+◆ Commonly asked
    #judgment
05

Round 05 · 2 questions

Behavioral / HR

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

  • Describe handling a tight deadline with competing priorities.
    Staff+◆ Commonly asked
    #prioritization#star
  • Tell me about the most impactful project of your career.
    Staff+◆ Commonly asked
    #impact#star

Practice each round across every company

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