System Design Interview: Real-Time Multiplayer Game Backend
Designing a real-time multiplayer game backend is a fascinating system design problem that combines the constraints of ultra-low latency, authoritative […]
System Design
System Design
API Security Interview Questions: Auth, OWASP, and Best Practices
Security knowledge is increasingly expected in senior engineering interviews — not just for security engineers. This guide covers the API
System Design
System Design Interview: Distributed Task Scheduler (Cron at Scale)
Designing a distributed task scheduler — like AWS Step Functions, Airflow, Celery, or cron at scale — tests your ability
System Design
System Design Interview: Search Engine (Google-Scale Web Search)
Designing a web search engine is one of the most complex system design problems — it combines large-scale crawling, indexing
System Design
Go (Golang) Interview Questions: Concurrency, Interfaces, and Performance
Go is the language of cloud infrastructure — Kubernetes, Docker, etcd, Terraform, and Prometheus are all written in Go. This
System Design
System Design Interview: Video Conferencing (Zoom / Google Meet)
Designing a video conferencing system like Zoom or Google Meet is a complex system design problem that tests real-time media
System Design
React Interview Questions: Hooks, Performance, and Architecture (2025)
React powers the frontend of most major tech companies. Interviewers test your understanding of React internals, hooks, state management, and
System Design
System Design Interview: Dropbox / Google Drive File Storage
Designing a file sync and storage service like Dropbox or Google Drive is a popular system design interview question that
System Design
Database Design Interview Questions: Schema, Indexing, and Transactions
Database design questions appear in nearly every senior engineering interview. You need to go beyond SELECT statements and demonstrate understanding
System Design
System Design Interview: Twitter/X Timeline and Tweet Feed
Designing the Twitter timeline is a classic system design interview question that appears at Twitter/X, Meta, LinkedIn, and many other
System Design
Trees and Graphs Interview Questions: BFS, DFS, and Beyond
Trees and graphs form the backbone of many technical interview problems. Master these traversal patterns and algorithm templates — most
System Design
Dynamic Programming Interview Questions: Patterns & Solutions
Dynamic programming (DP) is one of the most tested algorithmic topics in FAANG interviews. Rather than memorizing problems, learn the
System Design
System Design Interview: Design GitHub (Git Hosting at Scale)
Designing a Git hosting platform like GitHub tests your ability to handle version control storage at scale, real-time collaboration (PRs,
System Design
Operating Systems Interview Questions (Processes, Memory, Scheduling)
Operating systems fundamentals appear in interviews at companies building systems software, operating in kernel-adjacent spaces (Cloudflare, HashiCorp, Apple), and anywhere
System Design
JavaScript & TypeScript Interview Questions (2025)
JavaScript drives nearly every web frontend and an increasing share of backend (Node.js). TypeScript has become the default for serious