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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

← New Relic

Senior Frontend at New Relic

FrontendSeniorNo offer◆ Commonly asked· 2024

6-round senior frontend process. Coding-heavy early, design and behavioral later.

The loop · 6 rounds

01

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Word ladder — shortest transformation sequence.
    SeniorHard◆ Commonly asked
    #bfs#graph
    PracticeLeetCode↗GeeksforGeeks↗
  • Insert interval.
    SeniorMedium◆ Commonly asked
    #intervals
    PracticeLeetCode↗GeeksforGeeks↗
  • Meeting rooms II — minimum rooms required.
    SeniorMedium◆ Commonly asked
    #heap#intervals
    PracticeLeetCode↗GeeksforGeeks↗
02

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build a data table with sorting, filtering and pagination.
    SeniorHard◆ Commonly asked
    #react#table
    PracticeGeeksforGeeks↗Search↗
  • Build a color-picker with hex/rgb sync.
    SeniorMedium◆ Commonly asked
    #react#ui
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 2 questions

System Design

High-level architecture of a large-scale system.

  • Design a video streaming service like YouTube.
    SeniorHard◆ Commonly asked
    #cdn#storage#transcoding
    PracticeGeeksforGeeks↗Search↗
  • Design a Google Docs-style collaborative editor (frontend).
    SeniorHard◆ Commonly asked
    #frontend#crdt#realtime
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Explain how CSS-in-JS differs from utility CSS.
    SeniorEasy◆ Commonly asked
    #css
    PracticeGeeksforGeeks↗Search↗
  • Debounce vs throttle — implement one from scratch.
    SeniorMedium◆ Commonly asked
    #javascript#perf
    PracticeGeeksforGeeks↗Search↗
  • Explain `this` binding and the call/apply/bind trio.
    SeniorMedium◆ Commonly asked
    #javascript
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 1 question

Hiring Manager

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

  • How do you handle an underperforming teammate?
    Senior◆ Commonly asked
    #leadership
06

Round 06 · 2 questions

Behavioral / HR

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

  • Tell me about a time you failed and what you learned.
    Senior◆ Commonly asked
    #growth#star
  • Tell me about a time you went above and beyond for a customer.
    Senior◆ Commonly asked
    #customer#star

Practice each round across every company

  • DSA / Coding
  • Machine Coding
  • System Design
  • Tech Deep-Dive
  • Hiring Manager
  • 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.