theloop
CompaniesRoundsQuestionsSearchProgress
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 GitHub

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

← Supabase

Staff+ Full-stack at Supabase

Full-stackStaff+No offer◆ Commonly asked· 2024

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

The loop · 5 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Regular expression matching.
    Staff+Hard◆ Commonly asked
    #dp#string
    PracticeLeetCode↗GeeksforGeeks↗
  • Top K frequent elements.
    Staff+Medium◆ Commonly asked
    #heap#hashmap
    PracticeLeetCode↗GeeksforGeeks↗
  • Group anagrams from a list of strings.
    Staff+Medium◆ Commonly asked
    #hashmap#string
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 1 question

Low-Level Design

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

  • Design an undo/redo stack for an editor.
    Staff+Medium◆ Commonly asked
    #oop#command
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 2 questions

System Design

High-level architecture of a large-scale system.

  • Design a rate-limited, multi-tenant public API gateway.
    Staff+Hard◆ Commonly asked
    #gateway#rate-limit
    PracticeGeeksforGeeks↗Search↗
  • Design a payment processing + idempotency system.
    Staff+Hard◆ Commonly asked
    #idempotency#consistency
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 1 question

Hiring Manager

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

  • How do you keep a team unblocked and shipping?
    Staff+◆ Commonly asked
    #leadership
05

Round 05 · 2 questions

Behavioral / HR

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

  • A time you made a mistake in production — what happened next?
    Staff+◆ Commonly asked
    #ownership#star
  • Tell me about a time you failed and what you learned.
    Staff+◆ Commonly asked
    #growth#star

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