Software Developer & AI Builder

Building things

Java / Spring Boot backend engineer with hands-on AI projects. From RAG chatbots to full-stack platforms — shipping real products that work.

@RestController
@RequestMapping("/api")
public class PrajwalDev {
build("products");
ship("fast");
}
// 4+ projects live
scroll to explore
Spring Boot
React 19
LangChain
Groq LLaMA3
MySQL
JWT Auth
AWS RDS
FastAPI
Python
Scikit-learn
Docker
REST API
Spring Security
Next.js
Spring Boot
React 19
LangChain
Groq LLaMA3
MySQL
JWT Auth
AWS RDS
FastAPI
Python
Scikit-learn
Docker
REST API
Spring Security
Next.js
4+
Projects Shipped
GenAI
LangChain · Groq · Streamlit · RAG
Certified Builder
2×
AI Apps Live
1yr
Full-stack Exp

Work

Featured Projects

View all on GitHub
01 /

Residentia

Full-stack property rental platform. JWT auth, Razorpay payments, Cloudinary media management, AWS RDS deployment.

Spring Boot 3.2React 19MySQLJWTRazorpayAWS RDS
01
01 / click to open repo

Residentia

Property rental platform with owner & tenant flows.

Spring Boot 3.2React 19MySQLJWTRazorpayAWS RDS
Open GitHub repo
02 /

AskMyDocs

RAG chatbot — upload any PDF, ask anything. LangChain + LLaMA3 + vector embeddings for accurate answers.

LangChainGroqPyPDFLoaderStreamlit
02
02 / click to open repo

AskMyDocs

Upload any PDF — ask it anything using RAG.

LangChainGroqPyPDFLoaderStreamlit
Open GitHub repo
03 /

AI Image Detector

Detects AI-generated vs real images using Sightengine API with an LLaMA3 explanation layer on top.

FastAPIGroqSightengineStreamlit
03
03 / click to open repo

AI Image Detector

Detects AI-generated images with LLaMA3 explanation.

FastAPIGroqSightengineStreamlit
Open GitHub repo
04 /

Diabetes Prediction

SVM classifier predicting diabetes onset on Pima dataset. 78.6% accuracy with feature scaling and cross-validation.

PythonScikit-learnSVMStreamlit
04
04 / click to open repo

Diabetes Prediction

SVM-based ML model with 78.6% accuracy.

PythonScikit-learnSVMStreamlit
Open GitHub repo
05 /

Hotel Management

Full-featured hotel management system covering room booking, guest management, billing, and admin operations.

JavaSpring BootMySQLReact
05
05 / click to open repo

Hotel Management

End-to-end hotel ops — rooms, guests, billing.

JavaSpring BootMySQLReact
Open GitHub repo
06 /

AI Chatbot

AI-powered chatbot built during a hackathon. Conversational interface with real-time responses and context handling.

PythonLangChainStreamlitGroq
06
06 / click to open repo

AI Chatbot

Hackathon chatbot — built fast, shipped faster.

PythonLangChainStreamlitGroq
Open GitHub repo

↑ hover to preview · click to open github repo

Arsenal

Full Tech Stack

Java
Spring Boot
Spring Security
Spring Data JPA
Hibernate
React
Next.js
Redux
Tailwind CSS
REST API
MySQL
JWT
Razorpay API
Cloudinary
AWS RDS
Python
LangChain
Groq
FastAPI
Streamlit
Scikit-learn
Docker
Git
GitHub
Postman

Let's build
something
great together.

Available for full-time roles, freelance,
and interesting ideas.