Praveen Gupta

@codewithpraveen

Senior Backend Engineer / Java + Spring Boot + AWS

Bangalore, IndiaJoined July 2025

About

👨‍💻 I'm Praveen Gupta, a Senior Backend Engineer with over 10+ years of experience in designing scalable backend systems using Java, Spring Boot, Microservices, and AWS Cloud. I specialize in building cloud-native applications, integrating DevOps practices, and mentoring teams in writing clean, production-grade code. I created this blog to share real-world backend architecture tips, Spring Boot patterns, and practical coding solutions that help developers grow faster.

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Praveen Gupta's blogs

Code With Praveencodewithpraveen.hashnode.dev8 posts

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Recently published

PGPraveen Guptacodewithpraveen.hashnode.devJan 10 · 5 min read

Spring Cloud Gateway: Role-Based Authorization, Rate Limiting & Logging

In the previous part, we implemented JWT token validation at Spring Cloud Gateway.Now we’ll level it up to production standards by adding: Role-based authorization API rate limiting Centralized request logging Clear separation of public vs protec...

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PGPraveen Guptacodewithpraveen.hashnode.devOct 8, 2025 · 4 min read

🔄 Deep Dive: Refresh Tokens in Spring Boot Microservices (Java 25 + PostgreSQL + JWT)

When building secure microservices, access tokens are your first line of defense — but they’re short-lived. What happens when they expire? Do we keep asking users to log in again?That’s where refresh tokens come in — the silent heroes that keep users...

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PGPraveen Guptacodewithpraveen.hashnode.devAug 15, 2025 · 4 min read

🔐 Understanding JWT (JSON Web Tokens) — The Developer-Friendly Guide

JWT stands for JSON Web Token. Think of it like a sealed envelope: Inside the envelope → JSON data (like user ID, roles, permissions). The seal outside → A signature that proves no one has tampered with the contents. Anyone can open the envelope ...

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PGPraveen Guptacodewithpraveen.hashnode.devAug 10, 2025 · 5 min read

🚀 Implementing Secure Okta SSO in Spring Boot with Role-Based Access, JWT, Docker, and Terraform

In this guide, you’ll learn how to implement Single Sign-On (SSO) with Okta — a secure and centralized authentication method where a single set of credentials grants access to multiple applications. Instead of forcing users to log in separately to ea...

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PGPraveen Guptacodewithpraveen.hashnode.devAug 5, 2025 · 9 min read

🚀Mastering Java Microservice Patterns – A Developer’s Guide with .properties

Microservices are the backbone of modern backend systems. But designing them isn’t just about splitting your app into smaller parts — you need solid design patterns to keep things scalable, reliable, and maintainable. Microservices offer great flexib...

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Praveen Gupta

About

Available for

Praveen Gupta's blogs

Recently published

Spring Cloud Gateway: Role-Based Authorization, Rate Limiting & Logging

🔄 Deep Dive: Refresh Tokens in Spring Boot Microservices (Java 25 + PostgreSQL + JWT)

🔐 Understanding JWT (JSON Web Tokens) — The Developer-Friendly Guide

🚀 Implementing Secure Okta SSO in Spring Boot with Role-Based Access, JWT, Docker, and Terraform

🚀Mastering Java Microservice Patterns – A Developer’s Guide with .properties

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Praveen Gupta

About

Available for

Praveen Gupta's blogs

Recently published

Spring Cloud Gateway: Role-Based Authorization, Rate Limiting & Logging

🔄 Deep Dive: Refresh Tokens in Spring Boot Microservices (Java 25 + PostgreSQL + JWT)

🔐 Understanding JWT (JSON Web Tokens) — The Developer-Friendly Guide

🚀 Implementing Secure Okta SSO in Spring Boot with Role-Based Access, JWT, Docker, and Terraform

🚀Mastering Java Microservice Patterns – A Developer’s Guide with .properties