Systems & Backend

📁 First Principles Backend 23

📄 Backend From First Principles
📄 Backend Best Practices
📄 Lec 1: What is a Backend? (LEC 1–4)
📄 Lec 5: HTTP Protocol
📄 Lec 6: HTTP Routing
📄 Lec 7: Serialization & Deserialization
📄 Lec 8: Authentication & Authorization
📄 Lec 9: Validations & Transformations
📄 Lec 10: Controllers, Services, Repositories, Middlewares & Request Context
📄 Lec 11: REST API Design
📄 Lec 12: Mastering Databases with PostgreSQL
📄 Lec 13: Caching
📄 Lec 14: Task Queues & Background Jobs
📄 Lec 15: Full Text Search & Elasticsearch
📄 Lec 16: Error Handling & Building Fault Tolerant Systems
📄 Lec 17: Production-Grade Configuration Management
📄 Lec 18: Logging, Monitoring & Observability
📄 Lec 19: Graceful Shutdown
📄 Lec 20: Backend Security
📄 Lec 21.1: Backend Scaling & Performance Engineering — Part 1
📄 Lec 21.2: Backend Scaling & Performance Engineering — Part 2
📄 Lec 22: Concurrency & Parallelism: IO-Bound vs CPU-Bound
📄 Lec 23: LEC23

📁 Low-Level Design Coming Soon

🔒 Design Patterns
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Databases Coming Soon

📁 CMU Lectures & Notes

DSA & CP Coming Soon

📁 CSES / CP31 Problems

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📁 C++ / Java Learning

Home → Systems & Backend → Backend From First Principles

LEC23

← PREVIOUS MODULE

Lec 22: Concurrency & Parallelism: IO-Bound vs CPU-Bound

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