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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.

MIT · © 2026

← Yelp

Senior Full-stack at Yelp

Full-stackSeniorOutcome unknown◆ Commonly asked· 2025

A senior fullstack loop. Pragmatic questions — more real-world than pure puzzles.

The loop · 6 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Container with most water.
    SeniorMedium◆ Commonly asked
    #two-pointers#array
    PracticeLeetCode↗GeeksforGeeks↗
  • Course Schedule II.
    SeniorMedium◆ Commonly asked
    #graph#topo-sort
    PracticeLeetCode↗GeeksforGeeks↗
  • Lowest common ancestor of a binary tree.
    SeniorMedium◆ Commonly asked
    #tree
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a color-picker with hex/rgb sync.
    SeniorMedium◆ Commonly asked
    #react#ui
    PracticeGeeksforGeeks↗Search↗
  • Implement an LRU + TTL cache library.
    SeniorHard◆ Commonly asked
    #cache#ttl
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 2 questions

System Design

High-level architecture of a large-scale system.

  • Design a distributed task queue like Celery.
    SeniorHard◆ Commonly asked
    #queues#workers
    PracticeGeeksforGeeks↗Search↗
  • Design a ride-sharing service like Uber.
    SeniorHard◆ Commonly asked
    #geospatial#matching
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Explain `this` binding and the call/apply/bind trio.
    SeniorMedium◆ Commonly asked
    #javascript
    PracticeGeeksforGeeks↗Search↗
  • What is backpressure and how do you handle it?
    SeniorHard◆ Commonly asked
    #streaming#reliability
    PracticeGeeksforGeeks↗Search↗
  • Debounce vs throttle — implement one from scratch.
    SeniorMedium◆ Commonly asked
    #javascript#perf
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 1 question

Hiring Manager

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

  • What does a great engineering culture look like to you?
    Senior◆ Commonly asked
    #values
06

Round 06 · 2 questions

Behavioral / HR

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

  • Describe a conflict with your manager and the outcome.
    Senior◆ Commonly asked
    #conflict#star
  • When did you have to make a decision with incomplete data?
    Senior◆ 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.