# Introduction
Whilst AI can now generate enormous quantities of code, system design stays one of many few expertise that can’t be simply changed. Writing code is just one a part of constructing actual merchandise. Designing scalable, dependable, and environment friendly methods nonetheless requires expertise, trade-offs, stakeholder discussions, and robust engineering judgment.
That’s precisely why system design continues to matter a lot in technical interviews. It’s not nearly realizing the suitable reply. It’s about the way you suppose, the way you break down complexity, and the way you justify your choices. For a lot of engineers, that is additionally one of many hardest components of interview preparation as a result of it calls for each technical depth and structured communication.
The excellent news is that there are already some wonderful open-source sources that may assist. From full primers and interview query collections to visible explainers and specialised guides for cellular and frontend system design, these GitHub repositories have helped many candidates put together extra successfully and land roles sooner.
On this article, now we have gathered 10 helpful system design sources that may enable you strengthen your fundamentals, apply frequent interview questions, and construct a greater framework for approaching system design interviews with confidence.

Picture generated with ChatGPT utilizing the supply picture from AWS
# GitHub Repositories for System Design Interview Questions
// 1. A Full System Design Primer
In case you are beginning with only one repository for system design interview prep, donnemartin/system-design-primer remains to be one of many strongest locations to start as a result of it does greater than listing ideas.
It provides you a structured approach to strategy open-ended interview questions, covers core system design subjects, and contains labored examples that present easy methods to motive by trade-offs as an alternative of memorizing solutions.
// 2. Actual Interview-Targeted Questions and Solutions
In order for you a repository that feels extra instantly tied to interview preparation, checkcheckzz/system-design-interview is a robust choose as a result of it’s constructed round dealing with system design interviews with a scientific strategy in a shorter period of time.
As a substitute of appearing like a deep textbook, it brings collectively interview suggestions, core system design fundamentals, instance merchandise and methods, engineering weblog references, and question-focused sources, which makes it particularly helpful for candidates who need sensible preparation materials they’ll assessment earlier than interviews.
// 3. Visible Explanations of Complicated Programs
In case you study greatest by seeing how issues match collectively, ByteByteGoHq/system-design-101 stands out as a result of it explains advanced methods by visuals and easy language as an alternative of overwhelming you with principle.
The repository is designed to assist with system design interviews whereas additionally making core subjects like protocols, APIs, databases, and structure patterns simpler to grasp, which makes it particularly helpful for newbies or anybody who desires a extra intuitive approach to construct system design data.
// 4. Step-by-Step System Design Studying
In order for you a repository that feels extra like a guided studying path, karanpratapsingh/system-design is a robust selection as a result of it’s structured round studying easy methods to design methods at scale whereas making ready for interviews on the identical time.
Reasonably than solely providing you with scattered questions, it helps construct your understanding of distributed methods, scalability, structure, and interview considering in a extra step-by-step approach, which makes it particularly helpful for learners who need to strengthen fundamentals earlier than leaping into mock interview-style issues.
// 5. Curated System Design Assets
In case you choose studying from a broad assortment of free materials, ashishps1/awesome-system-design-resources is beneficial as a result of it brings collectively free sources particularly aimed toward studying system design ideas and making ready for interviews.
It really works effectively as a companion repository since it’s much less about one single instructing format and extra about providing you with a curated set of articles, movies, and studying paths you should utilize to fill gaps, revise subjects shortly, and broaden past the fundamentals.
// 6. Interview Patterns and Drawback-Fixing Approaches
In order for you a repository that goes past surface-level interview prep, DreamOfTheRedChamber/system-design-interviews is beneficial as a result of it mixes system design interview considering with deeper technical discussions throughout areas like protocols, infrastructure, and structure.
The repo frames itself round in-depth dialogue and contains topic-specific notes that may enable you construct stronger problem-solving instincts, making it a good selection for candidates who need to perceive how methods work beneath the interview immediate moderately than solely memorizing frequent solutions.
// 7. Sensible Preparation Hyperlinks and Notes
In case you choose a light-weight useful resource you possibly can shortly browse earlier than interviews, shashank88/system_design is useful as a result of it’s primarily a curated assortment of preparation hyperlinks and paperwork for system design and open-ended interview rounds.
It’s particularly helpful for revision because it brings collectively sources centered each on interview prep and on understanding how large-scale methods work, so it really works effectively as a sensible reference hub moderately than a single linear course.
// 8. A Framework for Cell System Design Interviews
In case you are making ready for mobile-specific interviews, weeeBox/mobile-system-design is very helpful as a result of it focuses on a framework for approaching cellular system design questions for iOS and Android roles, moderately than treating cellular as an afterthought.
The repository emphasizes thought course of and communication, and it contains sensible workouts round actual app design eventualities, which makes it a robust useful resource for candidates who desire a extra focused approach to put together for cellular system design interviews.
// 9. Superior Distributed Programs Assets
If you wish to go deeper into the distributed methods aspect of system design, madd86/awesome-system-design is a robust useful resource as a result of it’s constructed as a curated assortment of articles, movies, and studying materials centered on system design and distributed computing.
It’s significantly useful for individuals who need to transfer past interview fundamentals and strengthen their understanding of big-picture structure, microservices, and large-scale distributed methods by a broader set of sources.
// 10. Frontend System Design Interview Assets
In case your focus is frontend interviews, greatfrontend/awesome-front-end-system-design is efficacious as a result of front-end system design sources are nonetheless comparatively uncommon, and this repository is particularly curated for that hole.
It brings collectively sources for each interview preparation and basic studying, making it a helpful start line for engineers who need to get higher at discussing scalability, structure, and trade-offs from a frontend methods perspective moderately than solely a backend one.
# Wrapping Up
To make issues simpler, here’s a fast assessment desk of all 10 repositories so you possibly can shortly determine which one matches your studying fashion, interview wants, and present expertise stage.
| Repository | Finest For | Why You May Like It |
|---|---|---|
| donnemartin/system-design-primer | Newbies to intermediate learners | A well-structured all-in-one primer with fundamentals, examples, and interview prep |
| checkcheckzz/system-design-interview | Interview-focused preparation | Extra instantly centered on system design interview questions, solutions, and preparation materials |
| ByteByteGoHq/system-design-101 | Visible learners | Explains advanced methods utilizing diagrams and less complicated language |
| karanpratapsingh/system-design | Step-by-step learners | Feels extra like a guided studying path for scaling methods and interview prep |
| ashishps1/awesome-system-design-resources | Individuals who like curated useful resource lists | Provides you a variety of free articles, movies, and references in a single place |
| DreamOfTheRedChamber/system-design-interviews | Candidates who need deeper technical considering | Blends interview prep with broader technical discussions round methods and structure |
| shashank88/system_design | Fast revision earlier than interviews | A sensible set of preparation hyperlinks and notes that’s simple to browse |
| weeeBox/mobile-system-design | Cell engineers | Tailor-made for iOS and Android system design interview preparation |
| madd86/awesome-system-design | Superior learners and distributed methods readers | Robust curated assortment for going deeper into distributed methods subjects |
| greatfrontend/awesome-front-end-system-design | Frontend engineers | Targeted on frontend system design, which remains to be much less generally lined elsewhere |
Abid Ali Awan (@1abidaliawan) is a licensed information scientist skilled who loves constructing machine studying fashions. At present, he’s specializing in content material creation and writing technical blogs on machine studying and information science applied sciences. Abid holds a Grasp’s diploma in expertise administration and a bachelor’s diploma in telecommunication engineering. His imaginative and prescient is to construct an AI product utilizing a graph neural community for college students combating psychological sickness.
