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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

← Oscar Health

New Grad / Junior Frontend at Oscar Health

FrontendNew Grad / JuniorOutcome unknown◆ Commonly asked· 2024

5-round junior frontend process. Pragmatic questions — more real-world than pure puzzles.

The loop · 5 rounds

01

Round 01 · 1 question

Online Assessment

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

  • Two timed medium array/string problems in 70 minutes.
    New Grad / JuniorMedium◆ Commonly asked
    #arrays#strings
    PracticeGeeksforGeeks↗Search↗
02

Round 02 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Maximum subarray (Kadane).
    New Grad / JuniorMedium◆ Commonly asked
    #array#dp
    PracticeLeetCode↗GeeksforGeeks↗
  • Two Sum — return indices of numbers adding to a target.
    New Grad / JuniorEasy◆ Commonly asked
    #array#hashmap
    PracticeLeetCode↗GeeksforGeeks↗
  • Group anagrams from a list of strings.
    New Grad / JuniorMedium◆ Commonly asked
    #hashmap#string
    PracticeLeetCode↗GeeksforGeeks↗
03

Round 03 · 2 questions

Machine Coding

Build a working component or service under time pressure.

  • Build an infinite-scrolling list with virtualization.
    New Grad / JuniorHard◆ Commonly asked
    #react#virtualization#perf
    PracticeGeeksforGeeks↗Search↗
  • Build a "Wordle" clone with keyboard input.
    New Grad / JuniorMedium◆ Commonly asked
    #react#state
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • Explain memoization: useMemo, useCallback and React.memo.
    New Grad / JuniorMedium◆ Commonly asked
    #react#perf
    PracticeGeeksforGeeks↗Search↗
  • What is tree shaking and when does it fail?
    New Grad / JuniorMedium◆ Commonly asked
    #bundling
    PracticeGeeksforGeeks↗Search↗
  • Explain Core Web Vitals (LCP, CLS, INP) and how to improve them.
    New Grad / JuniorHard◆ Commonly asked
    #perf
    PracticeGeeksforGeeks↗Search↗
05

Round 05 · 2 questions

Behavioral / HR

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

  • How do you handle being blocked for several days?
    New Grad / Junior◆ Commonly asked
    #ownership#star
  • Tell me about a time you led without a title.
    New Grad / Junior◆ Commonly asked
    #leadership#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.