---
title: "Kumaravel (@dev-kumaravel) | Hashnode"
description: "I have 99 problems, but a syntax error ain't one. Read the latest articles by Kumaravel on Hashnode."
url: "https://hashnode.com/@dev-kumaravel"
---

@dev-kumaravel

# Kumaravel

@dev-kumaravel · Bangalore, India · Joined August 2026

I have 99 problems, but a syntax error ain't one.

### [REST APIs for Beginners: What I Learned While Building a Spring Boot Application](https://buildbreaklearndev.hashnode.dev/rest-api-beginners-spring-boot?utm_source=hashnode&utm_medium=feed)

A practical beginner-friendly guide to REST API design, DTOs, JWT authentication, Spring Security, frontend integration, and the lessons I learned while building a real full-stack application.

19 min read · [buildbreaklearndev.hashnode.dev](https://buildbreaklearndev.hashnode.dev/rest-api-beginners-spring-boot?utm_source=hashnode&utm_medium=feed)

[Aug 27](https://hashnode.com/posts/rest-api-beginners-spring-boot/6a9065fcf27d243b2413d7ca)