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

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This is a hard difficulty System Design question, commonly asked during Onsite rounds at Snapchat.

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

Design a News Aggregator | Snapchat Interview Question

Design a News Aggregator

Last updated: Apr 2, 2026

Quick Overview

This question evaluates a candidate's ability to design scalable content ingestion and distribution systems, encompassing API-driven fetching, scheduling, deduplication, storage, ranking, freshness guarantees, API rate limiting, and efficient article serving.

Snapchat

Mar 18, 2026, 12:00 AM

Software Engineer

Onsite

System Design

Design a news aggregation system that collects articles from many external news sources and serves a unified feed to end users. A key constraint is that the sources do not provide RSS feeds, so the system must periodically call source APIs to fetch new content.

Discuss the end-to-end design, including ingestion, scheduling, deduplication, storage, ranking, freshness, API rate limiting, and how articles are served efficiently to clients.

Solution

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