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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

← Morgan Stanley

Staff+ Backend at Morgan Stanley

BackendStaff+Outcome unknown◆ Commonly asked· 2024

Staff backend interview. 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.

  • Search in a rotated sorted array.
    Staff+Medium◆ Commonly asked
    #binary-search
    PracticeLeetCode↗GeeksforGeeks↗
  • Merge k sorted lists.
    Staff+Hard◆ Commonly asked
    #heap#linked-list
    PracticeLeetCode↗GeeksforGeeks↗
  • Number of islands in a 2D grid.
    Staff+Medium◆ Commonly asked
    #bfs#dfs#grid
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 1 question

Low-Level Design

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

  • Design a splitwise-style expense sharer.
    Staff+Medium◆ Commonly asked
    #oop#graph
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 2 questions

System Design

High-level architecture of a large-scale system.

  • Design a ride-matching backend (riders ↔ nearby drivers).
    Staff+Hard◆ Commonly asked
    #geospatial#matching#realtime
    PracticeGeeksforGeeks↗Search↗
  • Design a notification system (push/email/SMS).
    Staff+Medium◆ Commonly asked
    #queues#fanout
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 1 question

Hiring Manager

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

  • How do you measure the success of a project after launch?
    Staff+◆ Commonly asked
    #metrics
05

Round 05 · 2 questions

Behavioral / HR

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

  • Describe a disagreement on a code review and how it ended.
    Staff+◆ Commonly asked
    #conflict#star
  • Tell me about a time you led without a title.
    Staff+◆ Commonly asked
    #leadership#star

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