👋 I'm Sahil Kr Mandal, a passionate Software Engineer focused on building robust and scalable backend systems using Java and Spring Boot. I believe in clean architecture, efficient APIs, and elegant code.
🔧 Currently Working On:
- 🚀 Developing scalable microservices using Spring Boot
- 💳 Payment gateway integration (Stripe, Razorpay)
- 🔐 Designing secure JWT-based auth systems
- 📦 Building RESTful APIs from scratch
🧠 Ask Me About:
Java • Spring Boot • SQL & NoSQL • REST APIs • Git • Microservices • Security • Problem Solving
| Project 🛠️ | Tech Stack 💻 | Description 📄 |
|---|---|---|
| 🔗 E-Commerce API | Java, Spring Boot, JWT, MySQL |
A complete backend for an eCommerce platform with features like user roles, product management, cart, and checkout. |
| 📝 eNotes Web App | Java, Spring Boot, JWT, MySQL |
A simple note-taking app with CRUD operations Rest APIs. |
| 💳 Razorpay Integration | Spring Boot, REST API, Razorpay |
Integrated Razorpay payment system for real-time payments in Java backend. |
| 📌 JWT Auth System | Spring Security, JWT, REST API |
Role-based secure authentication system for modern backend projects. |
📝 More Projects: Check out my GitHub Repositories
| Category 🧩 | Skills 💡 |
|---|---|
| Languages | Java, SQL, HTML, CSS, JavaScript, PHP |
| Backend | Spring Boot, Spring MVC, Spring Security, JPA, Hibernate |
| Databases | MySQL, MongoDB, H2, Postgres |
| Tools & DevOps | Git, GitHub, Postman, Maven, Lombok, Docker (Basics) |
| Authentication | JWT, Spring Security, OAuth |
| Payment Gateway | Razorpay, Stripe, Paypal, Paytm |
| Concepts | REST APIs, OOP, MVC, Microservices, Exception Handling, CI/CD |
| Others | Angular, JQuery, AJAX, Bootstrap, Tailwind CSS, Servlet, Thymeleaf, JDBC, Hibernate |
"Simplicity is the soul of efficiency."
— Austin Freeman