⏱ 7 min read Go is the language of cloud infrastructure — Kubernetes, Docker, etcd, Terraform, and Prometheus are all written in Go. This […] Read article

⏱ 8 min read Designing a video conferencing system like Zoom or Google Meet is a complex system design problem that tests real-time media Read article

⏱ 7 min read React powers the frontend of most major tech companies. Interviewers test your understanding of React internals, hooks, state management, and Read article

⏱ 6 min read Designing a file sync and storage service like Dropbox or Google Drive is a popular system design interview question that Read article

⏱ 8 min read Database design questions appear in nearly every senior engineering interview. You need to go beyond SELECT statements and demonstrate understanding Read article

⏱ 5 min read Designing the Twitter timeline is a classic system design interview question that appears at Twitter/X, Meta, LinkedIn, and many other Read article

⏱ 7 min read Trees and graphs form the backbone of many technical interview problems. Master these traversal patterns and algorithm templates — most Read article

⏱ 7 min read Dynamic programming (DP) is one of the most tested algorithmic topics in FAANG interviews. Rather than memorizing problems, learn the Read article

⏱ 6 min read Designing a Git hosting platform like GitHub tests your ability to handle version control storage at scale, real-time collaboration (PRs, Read article

⏱ 6 min read Operating systems fundamentals appear in interviews at companies building systems software, operating in kernel-adjacent spaces (Cloudflare, HashiCorp, Apple), and anywhere Read article

⏱ 6 min read JavaScript drives nearly every web frontend and an increasing share of backend (Node.js). TypeScript has become the default for serious Read article

⏱ 6 min read Designing a Slack-like team collaboration application tests your knowledge of real-time messaging, WebSocket management, distributed storage, and search. This question Read article

⏱ 7 min read Networking fundamentals appear in almost every senior engineering interview. Whether you’re designing a system or debugging production, you need to Read article

⏱ 5 min read Designing an e-commerce platform at scale appears frequently in system design interviews at Amazon, Shopify, Stripe, and DoorDash. The challenge Read article