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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

← Deepgram

New Grad / Junior Full-stack at Deepgram

Full-stackNew Grad / JuniorRejected◆ Commonly asked· 2025

A junior fullstack loop. Balanced across coding, design, and collaboration.

The loop · 5 rounds

01

Round 01 · 1 question

Online Assessment

Timed online coding / aptitude screen, usually the first filter.

  • Find the number of distinct substrings of length k.
    New Grad / JuniorMedium◆ Commonly asked
    #sliding-window#string
    PracticeGeeksforGeeks↗Search↗
02

Round 02 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Valid Parentheses — check balanced brackets.
    New Grad / JuniorEasy◆ Commonly asked
    #stack#string
    PracticeLeetCode↗GeeksforGeeks↗
  • Contains duplicate.
    New Grad / JuniorEasy◆ Commonly asked
    #array#hashmap
    PracticeLeetCode↗GeeksforGeeks↗
  • Two Sum — return indices of numbers adding to a target.
    New Grad / JuniorEasy◆ Commonly asked
    #array#hashmap
    PracticeLeetCode↗GeeksforGeeks↗
03

Round 03 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Implement an exponential-backoff HTTP client.
    New Grad / JuniorMedium◆ Commonly asked
    #reliability
    PracticeGeeksforGeeks↗Search↗
  • Parse and evaluate a simple expression/DSL.
    New Grad / JuniorMedium◆ Commonly asked
    #parsing
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • How does a bloom filter work and when would you use one?
    New Grad / JuniorMedium◆ Commonly asked
    #data-structures#probabilistic
    PracticeGeeksforGeeks↗Search↗
  • SQL vs NoSQL — how do you choose for a given workload?
    New Grad / JuniorMedium◆ Commonly asked
    #databases
    PracticeGeeksforGeeks↗Search↗
  • Explain how CSS-in-JS differs from utility CSS.
    New Grad / JuniorEasy◆ Commonly asked
    #css
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • How do you get up to speed on an unfamiliar codebase?
    New Grad / Junior◆ Commonly asked
    #learning
  • When did you change your mind after seeing new evidence?
    New Grad / Junior◆ Commonly asked
    #judgment#star

Practice each round across every company

  • Online Assessment
  • DSA / Coding
  • Machine Coding
  • Tech Deep-Dive
  • 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.