Design a News Feed / Social Media Feed System A News Feed system is the backbone of every modern social platform—Facebook, Instagram, Twitter/X, LinkedIn. It decides what content a user sees, in what order, and how fast. From a system design perspective, this is one of the hardest problems because it combines massive scale, low […]
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Designing a URL shortener looks simple on the surface—but at scale, it becomes a classic distributed systems problem involving performance, scalability, caching, databases, and trade-offs. In this post, we will design a production-grade URL shortener using a clear 14-step system design framework that you can reuse for any system design interview or real-world architecture discussion.
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System design is one of the most important skills for modern software engineers, yet it is also one of the most misunderstood. Many developers associate system design only with interviews, while others think it is relevant only for senior engineers or architects. In reality, system design is about thinking in systems — understanding how different
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Every good system design starts with requirements.Before choosing databases, caches, or architectures, you must clearly understand what the system should do and how well it should do it. These two dimensions are known as functional requirements and non-functional requirements. Many system design failures — and interview failures — happen because engineers misunderstand or ignore this
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