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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

← Modern Treasury

Staff+ Frontend at Modern Treasury

FrontendStaff+Offer◆ Commonly asked· 2024

5-round staff frontend process. Balanced across coding, design, and collaboration.

The loop · 5 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Climbing stairs.
    Staff+Easy◆ Commonly asked
    #dp
    PracticeLeetCode↗GeeksforGeeks↗
  • Combination sum.
    Staff+Medium◆ Commonly asked
    #backtracking
    PracticeLeetCode↗GeeksforGeeks↗
  • Binary tree maximum path sum.
    Staff+Hard◆ 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 reusable form-validation library API.
    Staff+Medium◆ Commonly asked
    #oop#api-design
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 2 questions

System Design

High-level architecture of a large-scale system.

  • Design a Google Docs-style collaborative editor (frontend).
    Staff+Hard◆ Commonly asked
    #frontend#crdt#realtime
    PracticeGeeksforGeeks↗Search↗
  • Design a chat application like WhatsApp.
    Staff+Hard◆ Commonly asked
    #websocket#fanout#storage
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 1 question

Hiring Manager

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

  • How do you run an incident and the postmortem after?
    Staff+◆ Commonly asked
    #reliability#process
05

Round 05 · 2 questions

Behavioral / HR

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

  • Describe mentoring or unblocking another engineer.
    Staff+◆ Commonly asked
    #mentorship#star
  • When did you have to make a decision with incomplete data?
    Staff+◆ Commonly asked
    #judgment#star

◆ This experience is composed from commonly reported questions for this role and level. Real, individually-shared interviews will be layered in over time.