Aadhaar Goel

@goelaadhaar

Writing about Backend, Spring Boot & Generative AI

Bengaluru, IndiaJoined January 2026

About

Software developer passionate about backend engineering, Spring Boot, and full-stack development. I enjoy breaking down complex systems like authentication, security, and scalable architectures into simple explanations. Always learning, building, and sharing what I learn.

Available for

I am available for software development roles, internships, and freelance opportunities.

Aadhaar Goel's blogs

Spring Security Architecture: End-To-Endspring-security-architecture.hashnode.dev1 post

Polling v/s SSE v/s WebSocketspolling-sse-websockets.hashnode.dev1 post

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Recently published

AGAadhaar Goelpolling-sse-websockets.hashnode.devFeb 3 · 5 min read

Real-Time Web: Polling, SSE, and WebSockets

1. The Core Problem: The Web is "Stateless" The internet was originally built to be boring. In the standard HTTP model, communication is always initiated by the client. You ask for a page (GET /home), the server delivers it, and then the server immed...

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AGAadhaar Goelspring-security-architecture.hashnode.devJan 28 · 3 min read

Spring Security Architecture: The Complete End-to-End Flow

Introduction We’ve all been there. You add spring-boot-starter-security to your project, the app restarts, and suddenly—magic!—you have a login form. But what just happened? For many developers, Spring Security feels like a "black box." You paste som...

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Aadhaar Goel

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Aadhaar Goel's blogs

Recently published

Real-Time Web: Polling, SSE, and WebSockets

Spring Security Architecture: The Complete End-to-End Flow

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Aadhaar Goel

About

Available for

Aadhaar Goel's blogs

Recently published

Real-Time Web: Polling, SSE, and WebSockets

Spring Security Architecture: The Complete End-to-End Flow