System Design Interview: Distributed Cache (Redis vs Memcached)
9 min read Caching is the first answer to scaling — but designing a correct, consistent caching layer requires careful thought about invalidation, […] Read article
System Design
System Design
Behavioral Interview Questions: STAR Method with Real Examples (2025)
9 min read Behavioral interviews determine whether you will be hired as much as technical interviews at most companies. Google calls them “Googleyness,” Read article
System Design
Java Interview Questions: Core Concepts, Concurrency, and JVM (2025)
6 min read Java remains the dominant language at Amazon, Google, Goldman Sachs, and most enterprise tech companies. This guide covers the Java Read article
Algorithms
Sliding Window and Two Pointers: Interview Patterns and Problems
7 min read Sliding window and two pointers are among the most powerful patterns for array and string problems. Recognizing when to apply Read article
AI/ML Interview Questions, System Design
Data Engineering Interview Questions: Spark, Kafka, and Pipeline Design
9 min read Data engineering roles require you to design, build, and maintain data pipelines that move and transform data at scale. Interviews Read article
System Design
System Design Interview: Real-Time Multiplayer Game Backend
6 min read Designing a real-time multiplayer game backend is a fascinating system design problem that combines the constraints of ultra-low latency, authoritative Read article
System Design
How to Crack System Design Interviews: Framework and Tips (2025)
4 min read System design interviews terrify most engineers because there is no single correct answer — and interviewers rarely give much direction. Read article
System Design
Rust Interview Questions: Ownership, Lifetimes, and Systems Programming
12 min read Rust is growing rapidly in systems programming, WebAssembly, and high-performance services. Companies like Cloudflare, Discord, AWS, and Dropbox use Rust Read article
System Design
System Design Interview: Search Engine (Google-Scale Web Search)
9 min read Designing a web search engine is one of the most complex system design problems — it combines large-scale crawling, indexing Read article
System Design
System Design Interview: Distributed Task Scheduler (Cron at Scale)
9 min read Designing a distributed task scheduler — like AWS Step Functions, Airflow, Celery, or cron at scale — tests your ability Read article
System Design
API Security Interview Questions: Auth, OWASP, and Best Practices
8 min read Security knowledge is increasingly expected in senior engineering interviews — not just for security engineers. This guide covers the API Read article
System Design
React Interview Questions: Hooks, Performance, and Architecture (2025)
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
System Design
System Design Interview: Video Conferencing (Zoom / Google Meet)
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
System Design
Go (Golang) Interview Questions: Concurrency, Interfaces, and Performance
7 min read Go is the language of cloud infrastructure — Kubernetes, Docker, etcd, Terraform, and Prometheus are all written in Go. This Read article
System Design
Database Design Interview Questions: Schema, Indexing, and Transactions
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