ZorixOS
19+ Roku questions

Roku interview questions and how to prepare

The questions candidates report from Roku interviews, sorted by how often they come up, with difficulty and topics, plus original practice written in Roku's interview style.

Practice Roku questions free All companies

ZorixOS tracks 19 community-reported Roku interview questions, drawn from an open-source dataset of real interview reports and sorted by how frequently each one comes up. Every question links to its source. Alongside them are 78 original ZorixOS practice questions written in Roku's known interview style (not claimed as asked at Roku), so you can rehearse the real format. Practice any of them out loud in a free AI mock interview tuned to Roku.

Updated July 2026

Roku interview questions candidates report

Community-reported from real Roku interviews (open-source dataset), most-asked first. Showing 19. Each links to its source.

  1. Shortest Path to Get All Keys
    ArrayBit ManipulationBreadth-First SearchMatrix
    Hard100% asked
  2. Decode String
    StringStackRecursion
    Medium91% asked
  3. LRU Cache
    Hash TableLinked ListDesignDoubly-Linked List
    Medium91% asked
  4. Max Area of Island
    ArrayDepth-First SearchBreadth-First SearchUnion-Find
    Medium91% asked
  5. Top K Frequent Elements
    ArrayHash TableDivide and ConquerSorting
    Medium91% asked
  6. Valid Parenthesis String
    StringDynamic ProgrammingStackGreedy
    Medium91% asked
  7. 24 Game
    ArrayMathBacktracking
    Hard87% asked
  8. 3Sum
    ArrayTwo PointersSorting
    Medium87% asked
  9. Backspace String Compare
    Two PointersStringStackSimulation
    Easy87% asked
  10. Candy
    ArrayGreedy
    Hard87% asked
  11. Max Consecutive Ones III
    ArrayBinary SearchSliding WindowPrefix Sum
    Medium87% asked
  12. Maximum Product of Three Numbers
    ArrayMathSorting
    Easy87% asked
  13. Multiply Strings
    MathStringSimulation
    Medium87% asked
  14. Valid Palindrome II
    Two PointersStringGreedy
    Easy87% asked
  15. Asteroid Collision
    ArrayStackSimulation
    Medium79% asked
  16. Longest Valid Parentheses
    StringDynamic ProgrammingStack
    Hard79% asked
  17. Minimum Cost For Tickets
    ArrayDynamic Programming
    Medium79% asked
  18. Three Equal Parts
    ArrayMath
    Hard79% asked
  19. Vertical Order Traversal of a Binary Tree
    Hash TableTreeDepth-First SearchBreadth-First Search
    Hard79% asked

Practice questions in Roku's style

Original ZorixOS questions written the way Roku interviews, so you rehearse the real format. Not claimed as asked at Roku.

  1. Imagine a user reports that their Roku TV remote is intermittently not responding. Walk me through how you would debug this issue, considering potential causes from the remote itself to the Roku OS and network connectivity. What logs would you look for?

    Software EngineerDebugging & TroubleshootingTests: Evaluates systematic debugging skills and understanding of the Roku ecosystem.

  2. Roku's platform supports a wide variety of streaming channels. How would you design a system to efficiently discover and serve personalized channel recommendations to users based on their viewing history and preferences, considering millions of users and thousands of channels?

    Software EngineerSystem DesignTests: Assesses ability to design scalable recommendation systems and handle large datasets.

  3. Write a SQL query to find the top 5 most-watched channels on Roku in the last 7 days for users in the United States. Assume tables `viewing_sessions` (user_id, channel_id, start_time, end_time) and `channels` (channel_id, channel_name).

    Data ScientistSQL & Data AnalysisTests: Tests SQL proficiency and ability to extract specific business insights.

  4. You are the PM for the Roku Channel. How would you define success metrics for a new feature that allows users to create watchlists across different channels? What experiments would you run to validate its impact?

    Product ManagerMetrics & ExperimentationTests: Evaluates understanding of product success measurement and A/B testing methodology.

  5. Design the user interface for a new 'Live TV Guide' feature on Roku that aggregates content from linear TV partners and Roku's own live channels. Consider discoverability, filtering, and playback initiation.

    Product DesignerUI/UX DesignTests: Assesses ability to design intuitive and user-friendly interfaces for complex content discovery.

  6. Roku's advertising business is growing. How would you position Roku's ad platform to a potential advertiser who is currently spending heavily on traditional linear TV advertising?

    MarketingPositioning & Value PropositionTests: Evaluates understanding of market positioning and persuasive communication for advertising solutions.

72+ more Roku-style questions are in the free library, each practiceable live with adaptive follow-ups and an honest scorecard. Start free.

Keep exploring

Can you answer these out loud, under Roku-style follow-ups?

The ZorixOS AI interviewer runs a Roku-tuned mock interview: it asks these kinds of questions, digs into your answers, and scores you against a real hiring bar. Your first one is free.

Start your Roku mock interview
Roku Interview Questions (2026) | ZorixOS