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Interview Questions& Model Answers

Real questions. Real answers. Built from 20 years of actual hiring and being hired.

Curated by  —  Senior Software Architect & AI Engineer, Kolkata

1,774
Total Questions
89
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System Design Interview Pack PDF cover
Interview Prep Pack · PDF

System Design Interview Pack

  • A 7-step method for answering any system design question, plus estimation numbers
  • 5 worked designs: URL shortener, rate limiter, chat, news feed and file storage
  • Guides to caching, databases, queues, consistency and reliability, with a 4-week study plan
  • 306 practice questions with answers on caching, databases, queues, microservices, APIs and more
$3.99 one-time · instant email delivery
2,000 Interview Questions & Answers cover
Also available: 2,000 Interview Questions & Answers $7.99 The questions developers get asked in interviews, across 89 topics, with short answers, in-depth explanations, common mistakes and follow-ups. See what's inside →

The material stays free to read online. This is the organised, offline, print-ready PDF edition. Secure payment by PayPal; your personal download link is emailed after payment is confirmed. Digital product, no shipping.

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About the Author

Senior Software Architect & AI Engineer — Kolkata, India

20+ years building enterprise systems, ERP platforms, SaaS products, and AI-driven tools. Founder of DebMedia Technologies LLP. Mentor to 10,000+ developers across India and globally. These interview questions are drawn from real hiring panels, technical rounds, and two decades of engineering leadership.