Katkat

Company

Opendoor interview questions

2 practice questions in the style of Opendoor's interviews, covering System Design, Coding & Algorithms.

Questions2

0 easy1 medium1 hard

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Opendoor interview questions by the numbers

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Katkat has 2 Opendoor interview questions. The largest topics are Coding & Algorithms (50%) and System Design (50%). By difficulty: 50% medium and 50% hard. The most common round is Technical Screen (100%). Frequent concepts include System Design, Caching, Data Structures and Geo-spatial.

Topics

Difficulty

  • Medium50% · 1
  • Hard50% · 1

Interview rounds

  • Technical Screen100% · 2

Roles

  • Backend Engineer100% · 2

Frequent concepts

  • System Design100% · 2
  • Caching50% · 1
  • Data Structures50% · 1
  • Geo-spatial50% · 1
  • HashMaps50% · 1
  • Indexing50% · 1

Showing 1–2 of 2 results

  • Design Map-Based Home SearchMedium

    This problem tests the ability to design a geo-spatial search service capable of handling high-frequency map interactions, filtering, and data consistency at scale.

    OpendoorBackend EngineerSystem DesignTechnical Screen
  • Execute a TTL Key-Value Store with TransactionsHard

    This problem tests the implementation of an in-memory key-value store supporting TTL expiration, atomic transactions with rollback capabilities, and logical time-based validation.

    OpendoorBackend EngineerCoding & AlgorithmsTechnical Screen

Opendoor interview experiences

All 1 →
  • Three Surprise Technical Rounds After HR Went DarkOpendoor · Backend Engineer · Onsite · Jul 2026

    The first round was with a tech lead, and it was the only round with a good experience. It wasn't a traditional behavioral round — it was pretty relaxed, just getting a feel for work style and company culture. Right after the tech lead round I was immediately moved forward, and then HR vanished for a week. I emailed the tech lead to ask what was going on, and that's how I found out the original H…

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