Java Backend Developer passionate about building scalable applications using Spring Boot, Spring Security, Hibernate, and MySQL. I enjoy solving DSA problems and continuously learning software architecture and system design.
- 🌱 I'm currently learning Spring Security, JWT Authentication, Microservices, Apache Kafka, System Design, Low Level Design, Docker
- 🚀 Currently building production-ready Spring Boot applications
- 📚 Actively solving Data Structures & Algorithms problems
- ⚙️ Learning scalable backend architecture
- 🧠 Solved 300+ DSA problems across LeetCode & Codeforces
- 💬 Ask me about Java, Spring Boot, Spring Security, Hibernate, JPA, REST APIs, SQL, MySQL, Docker
- 📫 Reach me at work.omgupta09@gmail.com
- 🎯 Seeking Backend Software Engineering opportunities to build scalable real-world products
- ⚡ Fun fact: I enjoy swimming, working out, and turning coffee into Spring Boot APIs ☕
Languages
Backend & Frameworks
Tools & DevOps
| Project | Tech Stack | Description |
|---|---|---|
| 🏦 Digital NextBank Platform | Spring Boot, Spring Security, MySQL, JWT, Docker, Redis, Kafka, Eureka | Enterprise-grade banking platform built using a microservices architecture with secure JWT authentication, role-based access control, Redis caching, Kafka-based event-driven communication, and service discovery. |
| 🔗 Distributed URL Shortening Service | Spring Boot, MySQL, Redis, Kafka, Docker | Scalable URL shortener supporting custom aliases, URL expiration, QR code generation, click analytics, and user-specific URL management with Redis caching and Kafka-powered analytics. |
| 🚦 Distributed API Rate Limiter | Spring Boot, Redis, Docker | Implemented a high-performance distributed rate limiter using the Token Bucket algorithm with Redis and Lua scripting for atomic operations across multiple instances. |
| 📝 Quiz Application | Spring Boot, Spring Security, MySQL | Secure quiz platform with Authentication. |
| 💳 Point of Sale System | Java, Spring Boot | POS system for retail billing. |
| 🔐 FPGA Implementation of Lightweight Cryptography using RDETDFF | Verilog, Xilinx Vivado, FPGA | Designed and implemented a lightweight cryptographic architecture using an Extreme Low Power Reversible Dual Edge Triggered D Flip-Flop (RDETDFF) for reduced power consumption and improved hardware efficiency. |
| 📡 Circular Microstrip Antenna Array (DRDO Internship) | MATLAB, Antenna Design | Designed and simulated a 2.4 GHz circular microstrip antenna array achieving improved gain and 360° coverage during my internship at DRDO. |
- ☕ NPTEL — Programming in Java
- 🧠 NPTEL — Machine Learning
- 🤖 Microsoft Azure AI Fundamentals
"Code. Learn. Build. Repeat."