Series → #System Design Roadmap
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🛠️ 8-Week Beginner-Friendly System Design Roadmap
From client-server basics to caching, load balancing, and databases — this roadmap is a step-by-step beginner-friendly guide to learning system design concepts with projects.
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Week 1 Day 1: What is System Design? - The Big Picture
Why do we need system design? Understanding scalability, reliability, and maintainability.
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Week 1 Day 2: The Client-Server Model - How the Web Works
The fundamental architecture of the internet. Request-Response cycle and statelessness.
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Week 1 Day 3: HTTP & REST - Speaking the Language
Verbs, Status Codes, and best practices for designing clean APIs.
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Week 1 Day 4: DNS & IP - The Internet Phonebook
Resolving domain names and routing packets. A, CNAME, and AAAA records explained.
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Week 1 Day 5: Mini Project - URL Shortener API
Build your first system design project. A simple Node.js API to shorten and redirect URLs.
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Week 2 Day 1: Vertical vs Horizontal Scaling - Growing Up vs Out
The two main strategies to handle more traffic. When to upgrade a server vs adding more servers.
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Week 2 Day 2: Load Balancers - The Traffic Cops
Distributing traffic efficiently. Algorithms like Round Robin, Least Connections, and IP Hashing.
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Week 2 Day 3: Reverse Proxies - Protecting the Backend
Nginx, HAProxy, and why you should never expose your application server directly to the internet.
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Week 2 Day 4: CDNs - The Global Cache
Content Delivery Networks. Storing your content closer to your users.