Over the past months, I’ve been focused on improving my backend development skills by building real projects instead of only following tutorials.

During this journey, I learned that backend development is much more than writing endpoints — it’s about structure, problem solving, scalability, and learning how different parts of an application work together.

Some of the most important things I learned:

-> Strong fundamentals matter

Before working with frameworks, understanding logic, collections, loops, and object-oriented programming made a huge difference in how I approach problems.

Building simple structures first helped me understand more complex backend concepts later.

-> CRUD operations teach real backend concepts

Creating complete CRUD systems helped me understand:

service layer organization

separation of responsibilities

data validation

repository patterns

API structure

This was one of the biggest steps in my learning process.

-> Debugging is a core skill

While working with Spring Boot, I…