I Found Perfect Resources to Prepare for System Design Interview and They Are Awesome

Hello guys, preparing for a technical interview in 2026 looks very different from what it did a few years ago.

With companies increasingly expecting engineers to demonstrate both coding proficiency and system design thinking, the tools you choose for your preparation can make or break your success.

Two names dominate the interview prep world — LeetCode and ByteByteGo.

LeetCode has been the go-to platform for coding problem practice for years, while ByteByteGo has emerged as a comprehensive, pattern-based learning ecosystem for mastering the why behind coding and design.

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I found Leetcode for System Design, and it's Awesome

I Found Codemia.io, Leetcode for System Design Interview, and It's Awesome

credit- codemia.io

Hello Devs, if you're preparing for software engineering interviews, particularly MAANG, then you already know that Data Structures & Algorithms (DSA) and System Design are two key areas where you will be tested rigorously.

While LeetCode is the go-to platform for DSA, system design has always been a challenge.

While there are many websites and platforms to prepare for System Design Interviews like ByteByteGo, DesignGurus.io, Exponent, Educative, and Udemy, there is nothing like LeetCode. 

These are great resources to learn fundamentals, go through case studies, and understand the theory part of the System design, but LeetCode-style practice is one thing that is missing - until now. 

I recently found Codemia.io, and I must say, it feels like the LeetCode for System Design.

If you've struggled with structuring your system design answers, getting real feedback, or knowing whether your approach is correct, Codemia.io is a game-changer.

They not just have the biggest collection of System Design and OOP Design problems for practice, they also have a free System design course called Tackling System Design Interview Problems, which is a great free resource to learn essential System Design concepts.

It's a short course with 2 hours of content, but powerful and also has quizzes to test your skills. Here are all the key System design topics you can learn on this free course: