Hi there, I'm Karan Chavan 👋

Full-Stack Java Developer | Spring Boot Specialist | Mobile Developer

🎓 B.E. Computer Engineering (CGPA: 8.87/10) | 📍 Pune, India

👨‍💻 About Me

I'm a passionate Full-Stack Java Developer specializing in building scalable backend systems and production-ready mobile applications. With hands-on experience in Spring Boot microservices, React Native, and modern web technologies, I focus on delivering clean, maintainable, and high-performance solutions.

• 🔭 Currently working on production features at Medifinder Healthcare
• 🌱 Exploring Microservices Architecture, Cloud Technologies, and System Design
• 🎯 Passionate about GenAI, Spring AI, and Advanced Spring Boot patterns
• 💡 Built multiple client-facing projects with real-world impact
• 🏆 2× Hackathon Winner | 160+ DSA problems solved

Tech Stack

Languages

Backend & Frameworks

Frontend & Mobile

Databases

Tools & DevOps

💼 Professional Experience

🏥 React Native Developer Intern | Medifinder Healthcare

Building Production Healthcare Solutions

• Developed and optimized mobile features for live healthcare application
• Integrated RESTful APIs with robust error handling and state management
• Enhanced app performance and user experience through code optimization
• Collaborated with cross-functional teams in Agile environment

☕ Java Backend Intern | Suma Soft Pvt Ltd

Backend Development & System Design

• Designed and developed Java backend modules using OOP principles
• Implemented clean code practices and conducted thorough debugging
• Contributed to scalable enterprise application development

🎨 Frontend Developer Intern | NPIT Solutions

Responsive Web Development

• Built responsive and interactive user interfaces using HTML, CSS, JavaScript
• Collaborated with backend teams for seamless API integration
• Ensured cross-browser compatibility and mobile responsiveness

🚀 Featured Projects

🥛 Villager Milk Delivery Platform

Spring Boot + React Native | Full-Stack Application

• Built complete milk delivery ecosystem with subscription management
• Implemented secure JWT authentication and role-based access control
• Integrated payment gateway and real-time order tracking
• Designed scalable REST APIs with proper error handling
• Tech: Spring Boot, React Native, MySQL, JWT, Payment Integration

🎬 BookMyShow Backend Clone

Enterprise-Grade Ticketing System

• Developed secure movie ticket booking system with seat management
• Implemented JWT-based authentication and authorization
• Created efficient database schema with proper indexing
• Built RESTful APIs following industry best practices
• Tech: Spring Boot, MySQL, Spring Security, JPA/Hibernate

🏥 Swasth-AI - Healthcare Assistant

GenAI-Powered Medical Application

• Developed AI-powered symptom analysis system
• Integrated Spring AI for intelligent health recommendations
• Designed microservices-ready architecture for scalability
• Built secure REST backend with proper validation
• Tech: Spring Boot, Spring AI, GenAI, Microservices Architecture

📱 More Projects

Explore my other projects including E-commerce platforms, Task Management Systems, and API integrations → View All Repositories

🏆 Achievements & Certifications

• 🥈 2nd Place - MSBTE District-Level Hackathon
• 🏆 2× Winner - College-Level Hackathons
• 💻 160+ Problems Solved - Data Structures & Algorithms
• 📜 10+ Technical Certifications in Java, Spring Boot, and Web Development
• ⭐ 8.87 CGPA - Computer Engineering

💡 Current Focus

Production Development Building healthcare features at Medifinder

Continuous Learning Microservices, Cloud (AWS/Azure), System Design

Exploring GenAI, Spring AI, Kafka, Docker

📫 Let's Connect!

Feel free to reach out for collaborations, opportunities, or just a friendly tech chat!

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⭐ If you find my work interesting, consider starring my repositories!

Made with ❤️ by Karan Chavan