@BugFreeNik

Horizontal Scaling vs Vertical Scaling

Feb 5 · 3 min read · How systems grow when traffic hits the fan When your application starts getting more users, more requests, or more data, you have exactly one problem to solve: How do we handle more load without breaking things? That’s where scaling comes in. There...

🚀 What is SPOF (Single Point of Failure)?

Feb 4 · 3 min read · In system design, SPOF means: When one part of the system fails and the whole system stops working. In short: One problem → Entire app is down Good companies always try to remove SPOF so users don’t face downtime. 💻 Example: One Developer Doing Al...

Intro to System Design

Jan 31 · 3 min read · 📌What is System Design? It is the process planning how a software system should be built, it’s like blueprint of a house before actually constructing it. Before writing code, engineers first decide: How the system will work What components it will...

Best Tools and Frameworks for Modern Backend Developers in 2025

Dec 8, 2025 · 4 min read · Backend development in 2025 is evolving at lightning speed. Companies today expect applications that scale globally, handle real-time data, and integrate smoothly with cloud-native systems. For students like me who are preparing to enter the software...

Boats to Save People

Nov 25, 2025 · 2 min read · Hey Coders, Today we are going to understand and solve the Boats to Save People problem from LeetCode. Problem: we are given an array consisting of people’s weights , limit (capacity of a boat)and asked to find the minimum number of boats required. C...