Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

Curated coding interview preparation materials for busy software engineers

Crack LeetCode, not only how, but also why.

Linux, Jenkins, AWS, SRE, Prometheus, Docker, Python, Ansible, Git, Kubernetes, Terraform, OpenStack, SQL, NoSQL, Azure, GCP, DNS, Elastic, Network, Virtualization. DevOps Interview Questions

:octocat: A curated awesome list of lists of interview questions. Feel free to contribute! :mortar_board:

Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.

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The Patterns of Scalable, Reliable, and Performant Large-Scale Systems

Everything you need to know to get the job.

A list of helpful front-end related questions you can use to interview potential candidates, test yourself or completely ignore.

List of top 500 ReactJS Interview Questions & Answers....Coding exercise questions are coming soon!!

Front End interview preparation materials for busy engineers (updated for 2026)

An attempt to answer the age old interview question "What happens when you type google.com into your browser and press enter?"

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Learn System Design concepts and prepare for interviews using free resources.

Collection of various algorithms in mathematics, machine learning, computer science and physics implemented in C++ for educational purposes.

✅ Solutions to LeetCode by Go, 100% test coverage, runtime beats 100% / LeetCode 题解

120+ interactive Python coding interview challenges (algorithms and data structures). Includes Anki flashcards.

Questions to ask the company during your interview

List of 1000 JavaScript Interview Questions

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A one stop repository for generative AI research updates, interview resources, notebooks and much more!

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Learn Low Level Design (LLD) and prepare for interviews using free resources.

System design interview for IT companies

Collection of various algorithms in mathematics, machine learning, computer science, physics, etc implemented in C for educational purposes.

技术面试最后反问面试官的话

Everything you need to prepare for your technical interview