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a Programmer

Code. Solve. Create.

Foundations of Computer Science

Data structures, algorithms, Big-O complexity, and the inner workings of networks and operating systems.

Backend & Architecture

Design of scalable systems, microservices, design patterns, and resilience.

DevOps & Cloud

Infrastructure as code, Kubernetes, CI/CD, and modern observability.

Leadership and Impact

Mentoring, trade-off management, RFC writing, and engineering culture.


Uses the shortcut CMD + K (or CTRL + K) to quickly find any concept, such as “CORS”, “Kafka”, or “SOLID”.

Each technical article contains a section dedicated to Trade-offs. As experts, our job is not to find the “best” tool, but the one with the most acceptable set of disadvantages for the current problem.

This is a living document. Feel free to open a PR if you find concepts that need updating or new technologies that should be mapped.