- πΌ Freelance Software Developer
- π₯ Specialized in Full Stack Web Development
- π Building scalable backend systems & modern frontend applications
- π± Currently working with Spring Boot, Microservices & MERN Stack
- π― Focused on writing clean, maintainable & production-grade code
I help businesses and startups turn ideas into scalable digital products.
Java JavaScript Go Python C
React.js Next.js Tailwind CSS HTML5 CSS3
Java Node.js GoLang Spring Boot API Security MongoDB PostgreSQL
Git GitHub Docker Jenkins Actions Linux VM Kubernetes
A production-ready real-time messaging platform with secure authentication and event-driven communication.
Tech: Java, SpringBoot, WebSocket, MongoDB, JWT
Highlights:
- Real-time bidirectional messaging
- Room-based architecture
- Secure JWT authentication
- Optimized backend event handling
Designed a scalable backend system using service-based architecture with independent database layers.
Tech: Spring Boot, PostgreSQL, JWT
Highlights:
- Authentication Service
- Product & Order Services
- Database separation strategy
- RESTful API architecture
- Designed for horizontal scaling
A restaurant/hotel management platform that routes live orders directly to kitchen dashboards.
Tech: React, Node.js, Socket.io, MongoDB
Highlights:
- Live order tracking
- Role-based dashboard (Admin/Kitchen)
- Status management system
- Real-time updates via WebSockets
Built a custom DNS resolution system with backend domain mapping logic.
Tech: MongoDB, Express, React, Node.js
Highlights:
- Custom domain resolution logic
- Admin control panel
- REST API-based architecture
- Scalable backend structure
A one-time access file sharing system with temporary download links and expiration logic.
Tech: MERN Stack
Highlights:
- One-time download links
- Expiry & metadata tracking
- Secure storage handling
- Clean responsive UI
An academic platform that filters unverified content and scores research papers using custom logic.
Tech: MERN Stack
Highlights:
- Content validation logic
- Research scoring algorithm
- Integrated document editor
- Clean UI/UX design
- π Freelance Projects
- πΌ Contract-Based Work
- π€ Technical Collaborations
- π Backend System Architecture Projects
π© Contact: sathwikacharya61@gmail.com
β If you find my work interesting, feel free to connect or collaborate.



