“There is no 'silver bullet' on the server side. Writing Node.js is fast, but it struggles with heavy math. That is why I choose technology based on the system's workload, not out of blind brand loyalty. I deploy C++ or Rust for raw CPU power, and I bring in Go when I need to manage thousands of concurrent connections (goroutines) flawlessly.”
The Realities of Backends
The Database Bottleneck
It doesn't matter how fast your code is; a poorly written SQL query (the N+1 problem) will paralyze the entire system.
Thread Management
In concurrent programming, deadlocks and race conditions will eat junior engineers alive.
Scaling is Not an Afterthought
You must solve how the system will scale horizontally under load on paper, before writing the very first line of code.
Application Architectures
01
Microservice Architectures
Independently scalable backend networks running isolated tasks in Docker/K8s environments.
02
High I/O Systems
Structures requiring persistent open connections, such as chat applications or live trading panels.
03
Heavy Computation Processes
CPU-Bound tasks like video transcoding or massive data set transformations.
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