Beginner Backend Interview Pack | 150 Questions

This pack contains 150 beginner‑friendly backend interview questions covering core concepts every junior developer must know. Topics include:

• REST APIs & HTTP fundamentals
• Databases (SQL basics, indexing, ACID)
• Authentication (JWT, OAuth basics)
• Caching, queues, and system design basics
• Programming language‑agnostic OOP & design patterns

Each question includes a clear answer with real‑world examples. Format: PDF with downloadable cheat sheet.