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Updated weekly · Last refresh Oct 17

Roku Embedded Engineer Interview Questions

The questions to prepare for a Roku Embedded Engineer interview. Questions from real interview reports rank first. Updated daily.

21questions
~4htotal time
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1
CodingStart here. 10 questions · ~108 min
Reverse Linked List In-PlaceEasy
Practice

Reverse a singly linked list in place by rewiring next pointers in one pass.

Linked ListsAlgorithmsRoku
Linked List HackerRank-StyleMedium

Tests your ability to implement correct linked list algorithms under coding platform constraints.

Problem SolvingdesignRoku
Optimize Set Bit CountingMedium
Practice

Count the set bits in a 32-bit integer using Brian Kernighan's bit-clearing technique.

Bit Manipulationtime complexityMathRoku
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2
Security & Infrastructure5 questions · ~54 min
C/C++ and Linux ConcurrencyMedium

Assesses your breadth of core engineering skills for embedded development on Linux.

c/c++Operating SystemsRoku
Bit Manipulation and RTOS ConceptsMedium

Tests embedded fundamentals across bit operations, RTOS concepts, debugging, and IPC.

RTOSDebuggingRoku
Debug Memory Leak From BinaryHard

Evaluates your ability to diagnose leaks with limited visibility into dependencies.

system architectureDebuggingRoku
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3
Behavioral & Leadership4 questions · ~43 min
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4
More topics2 questions · ~22 min
User vs Kernel Threads LatencyMedium

Tests systems knowledge and ability to reason about scheduling and latency tradeoffs.

latencytechnical knowledgeRoku
Priority Inversion in RTOSMedium

Tests real-time scheduling concepts and mitigation strategies like priority inheritance.

RTOSpriority inversiontechnical knowledgeRoku
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