Knowledge Base|Key topics and interview-ready concepts in React.js and Node.js
Databases & SQL
NoSQL & Document Stores
ORM/ODM Tools
Caching & In-Memory Storage
Messaging & Queues
File Handling & Storage
API Design Patterns
Backend Architecture
Job Scheduling & Background Tasks
Node.js Runtime (System-Level)
OREsc
Last update: Jul 17, 2025
Short overview