Interview Questions and Answers

3326 questions for developer, cloud, architecture and behavioral interviews — ordered by how often they come up, with the most asked ones answered in full.

Programming

Algorithms 70 questions Data Structures 99 questions FastAPI 99 questions Flask 101 questions Java Developer 52 questions jQuery 42 questions Laravel 62 questions MySQL 59 questions Next.js Developer 101 questions Node.js Developer 102 questions PHP 7 99 questions PHP 8 102 questions PostgreSQL 58 questions Python Developer 104 questions React Developer 104 questions SQL & Databases 42 questions TypeScript Developer 100 questions Vue.js Developer 59 questions

Engineering Fundamentals

API Design 30 questions Authentication 34 questions Authorization 30 questions Caching 45 questions CI/CD & Deployment 26 questions Data Engineering 43 questions Database Concurrency & Scaling 41 questions Databases & Transactions 30 questions Design Patterns 80 questions Logging & Observability 35 questions Messaging & Queues 29 questions Performance & Scalability 30 questions System Design Problems 30 questions Testing 28 questions Web Framework Internals 27 questions Web Security & WAF 32 questions

AI

Agents 23 questions Evaluation 22 questions Fine-tuning 22 questions LLM Ops 23 questions Native AI Engineering 50 questions Prompt Engineering 22 questions RAG 24 questions Vector Databases 22 questions

Cloud

AWS Cloud Engineer 200 questions Azure Fundamentals 102 questions DevOps Engineer 42 questions DevOps Fundamentals 40 questions Docker 38 questions DynamoDB 48 questions EKS 39 questions Kubernetes 56 questions Site Reliability Engineering 59 questions Solutions Architect 111 questions Terraform 40 questions

Interviews

Behavioral & STAR 41 questions Engineering Manager 36 questions FAANG / Big Tech 102 questions HR & Logistics 31 questions Motivational & Fit 30 questions Team Lead 38 questions Tech Lead 40 questions