---
title: "Discussion on \"Introduction to System Design\" | Hashnode"
description: "Discussion on \"Introduction to System Design\". Part 1 - Using a simple TODO app to understand big concepts"
url: "https://hashnode.com/posts/introduction-to-system-design/69167d271ce18c5140d5b4ed"
---

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# [Introduction to System Design](https://saminwankwo.hashnode.dev/introduction-to-system-design?utm_source=hashnode&utm_medium=feed)

Part 1 - Using a simple TODO app to understand big concepts

Nov 14, 2025 · 5 min read · saminwankwo.hashnode.dev  
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-   [#developer-learning](https://hashnode.com/tag/developer-learning)
-   [#system-design](https://hashnode.com/tag/system-design)
-   [#backend-engineering](https://hashnode.com/tag/backend-engineering)
-   [#software-architecture](https://hashnode.com/tag/software-architecture)
-   [#apis](https://hashnode.com/tag/apis)
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-   [#scalability](https://hashnode.com/tag/scalability)
-   [#data-engineering-best-practices](https://hashnode.com/tag/data-engineering-best-practices)
-   [#distributed-systems](https://hashnode.com/tag/distributed-systems)
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-   [#interview-preparations](https://hashnode.com/tag/interview-preparations)
-   [#beginner-friendly](https://hashnode.com/tag/beginner-friendly)
-   [#nodejs](https://hashnode.com/tag/nodejs)
-   [#php](https://hashnode.com/tag/php)

## Written by

[Samuel Nwankwo](https://hashnode.com/@saminwankwo)

@saminwankwo · Port Harcout, Nigeria

  
[View profile](https://hashnode.com/@saminwankwo)

Software Developer

I am a software developer based in Nigeria with some years of experience in the industry. I am an expert in several programming languages, including PHP, JavaScript, and Java for Android development. When I am not coding, I enjoys playing video games and watching sci-fi movies. I am also an avid reader and enjoys learning about new technologies and programming concepts.

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