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 Take-home Project rounds at Amazon.

What role is this question designed for?

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

Design device telemetry pipeline for real-time and batch | Amazon Interview Question

Design device telemetry pipeline for real-time and batch

Last updated: Mar 29, 2026

Quick Overview

This question evaluates a candidate's competency in distributed systems architecture, data engineering, and operational trade-offs involved in designing telemetry pipelines that support both near-real-time and batch analytics.

Amazon

Dec 17, 2025, 12:00 AM

Software Engineer

Take-home Project

System Design

Design a distributed system that ingests telemetry from millions of devices and supports both:

Real-time analytics (near-real-time dashboards/alerts)
Batch analytics (historical queries, aggregates, offline jobs)

Cover:

Data ingestion (protocols, auth, buffering)
Storage choices for hot vs cold data
Stream processing vs batch processing
Schema/partitioning strategy
Scalability, reliability, and cost considerations
A minimal set of APIs/queries you want to support

Solution

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