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lawrence-dass / gist:96e150bacbd2d4a487b43a9736cd2830
Created September 30, 2025 02:41
5 Networking Concepts That Separate Junior Developers From Senior Engineers
5 Networking Concepts That Separate Junior Developers From Senior Engineers
Debug production issues in minutes, not hours
Your production API suddenly stops responding. While your team scrambles, you diagnose a network configuration error and fix it in minutes.
This scenario separates engineers who understand networking fundamentals from those who treat the network as "magic."
After 5 years as a Full Stack Developer building production-grade applications with React.js/Node.js ecosystems, architecting AWS infrastructure for 100,000+ monthly users, and debugging network failures in FinTech and e-commerce environments, I've learned that networking knowledge is what transforms code writers into systems thinkers.
The difference between a junior and senior engineer: Do you understand why things work, or do you just know how to make them work?