In this video, I discuss the path of becoming a backend engineer through concepts and fundamentals. These are not tools 🧰 these are backend concepts and fundamentals technologies. - Communication Protocols 3:30 - TCP,UDP - QUIC - HTTP - WebSockets - gRPC - Web Servers 8:40 - How web servers work? - Dynamic vs Static Content - E-Tags - HTTP protocol - Database Engineering 11:00 - Relational vs NoSQL - ACID - Proxies (Reverse Proxies, Load balancer) 13:31 - What is difference between Proxy vs Reverse Proxy - Layer 7 Proxy vs Layer 4 Proxy - Reverse Proxy applications - Load Balancing algorithms - Caching 15:40 - When to use Caching - Message queue, Pub/Sub 16:36 - When to use PubSub messaging first queue. - Web Frameworks (API authoring) 18:30 - Express, Django, Node JS - Message Formats (JSON, protobuf) 19:24 - JSON & protobuf - Security 20:50 - TLS, Encryption, Firewalls
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