@amrita751
System Design Simplified | HLD + LLD with Node.js | Dev Blogger
Hey there 👋I'm a backend developer with 3+ years of experience working with Node.js, Redis, and scalable systems.I write about system design, breaking down complex architectures into simple, real-world examples with HLD, LLD, and working Node.js code.Follow along as I explore how to design systems like chat apps, URL shorteners, notification services, and more — one post at a time 🚀
Freelance backend projects, system design discussions, and content collaborations
Jun 29, 2025 · 4 min read · 📍 Introduction When building scalable backend systems or designing clean architecture, writing maintainable, extensible, and testable code is a must. That’s where SOLID principles come into play — the foundation of Low-Level Design (LLD). In this bl...
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Jun 28, 2025 · 4 min read · 📍 Introduction When your app grows — from thousands to millions of users — your database becomes the bottleneck. How do you scale it? Two common techniques are: Replication (for high availability) Sharding (for horizontal scaling) In this blog, ...
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Jun 24, 2025 · 3 min read · Learn how serverless architectures differ from traditional monoliths—and get hands-on with AWS Lambda in Node.js. 📍 Introduction For decades, most web applications were built as monoliths: one big codebase running on servers you managed yourself.Now...
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Jun 23, 2025 · 3 min read · 📍 Introduction “System design” is one of the most important — and most misunderstood — concepts in software development. Whether you're preparing for an interview or planning to build a scalable application, understanding how to design a system is c...
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