How do I approach System Design interview questions?

System Design questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master system design interviews.

What difficulty level is this interview question?

This is a medium difficulty System Design question, commonly asked during Onsite rounds at Roku.

What role is this question designed for?

This question is commonly asked for Backend Engineer candidates at Roku during technical interviews.

Design a high-throughput ad exchange

Last updated: Apr 2, 2026

Quick Overview

This question evaluates a candidate's ability to design scalable, high-throughput, low-latency distributed backend systems for real-time ad exchanges, assessing competencies such as API shape, request validation and enrichment, auction flow, traffic partitioning, storage choices, fault tolerance, and operational event logging.

|Home/System Design/Roku

Design a high-throughput ad exchange

Roku

Feb 25, 2026, 12:00 AM

mediumBackend EngineerOnsiteSystem Design

Submit Your Answer to Earn 20XP

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Design a high-throughput ad exchange

Last updated: Apr 2, 2026

Quick Overview

|Home/System Design/Roku

Design a high-throughput ad exchange

Roku

Feb 25, 2026, 12:00 AM

mediumBackend EngineerOnsiteSystem Design

Submit Your Answer to Earn 20XP

Loading comments...

Browse More Questions

More System Design•More Roku•More Backend Engineer•Roku Backend Engineer•Roku System Design•Backend Engineer System Design

Your design canvas — auto-saved