How do I approach ML System Design interview questions?

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

What difficulty level is this interview question?

This is a medium difficulty ML System Design question, commonly asked during Technical Screen rounds at Decagon.

What role is this question designed for?

This question is commonly asked for Software Engineer candidates at Decagon during technical interviews.

Design a Real-Time AI Voice System

Last updated: Apr 16, 2026

Quick Overview

This question evaluates system-level engineering skills for real-time conversational AI, covering audio ingestion, speech recognition, dialogue orchestration, response generation, speech synthesis, session state, interruption handling, safety, observability, latency, and cost, and is categorized under ML system design and speech systems.

|Home/ML System Design/Decagon

Design a Real-Time AI Voice System

Decagon

Feb 17, 2026, 12:00 AM

mediumSoftware EngineerTechnical ScreenML System Design

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Design a Real-Time AI Voice System

Last updated: Apr 16, 2026

Quick Overview

|Home/ML System Design/Decagon

Design a Real-Time AI Voice System

Decagon

Feb 17, 2026, 12:00 AM

mediumSoftware EngineerTechnical ScreenML System Design

Submit Your Answer to Earn 20XP

Loading comments...

Browse More Questions

More ML System Design•More Decagon•More Software Engineer•Decagon Software Engineer•Decagon ML System Design•Software Engineer ML System Design

Your design canvas — auto-saved