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Hi, I'm Nihad πŸ‘‹

Backend Developer Β· Computer Engineering Student

πŸ“ Baku, Azerbaijan Β |Β  πŸŽ“ Baku Higher Oil School

LinkedIn GitHub Email


πŸ‘¨β€πŸ’» About Me

I'm a backend developer specializing in Java & Spring Boot, currently studying Computer Engineering at Baku Higher Oil School.

I enjoy building clean, scalable systems β€” from event-driven banking backends to cloud-native file storage services. I care about architecture, code quality, and real-world impact.


πŸ›  Tech Stack

Backend Frontend Database DevOps & Tools
Java React PostgreSQL Docker
Spring Boot Tailwind MySQL Git
Spring Cloud Redis Kafka
Spring Security Liquibase AWS S3

Core Competencies:

  • Architecture: CQRS, Event-Driven Design, Microservices (Spring Cloud), REST APIs, Design Patterns, OOP
  • Security: Spring Security, JWT (Access + Refresh Tokens), RBAC
  • DevOps: Docker, Docker Compose, Gradle, GitHub Actions, Liquibase

πŸ“‚ Featured Projects

A scalable banking backend handling the full transaction lifecycle β€” from initiation and authorization to settlement and posting.

  • Stack: Java Β· Spring Boot Β· PostgreSQL Β· Kafka Β· Redis
  • Architecture: CQRS (command-service / query-service split)
  • Reconciliation engine, event-driven notifications, and immutable audit logs for compliance

☁️ CloudNest

Cloud-native file storage backend built with production-grade practices.

  • JWT auth with RBAC and secure AWS S3 file uploads via pre-signed URLs
  • Schema versioning with Liquibase, fully containerized with Docker

πŸ›’ TechStore

Full-stack e-commerce platform with a complete purchase flow.

  • React + Spring Boot + PostgreSQL + Redis + Stripe payments
  • JWT auth with OTP email verification, Docker deployment, Liquibase migrations

πŸ“Š Coding Stats

LeetCode Stats


"Code is like humor. When you have to explain it, it's bad." – Cory House

Pinned Loading

  1. TechStore TechStore Public

    TechStore is a full-stack e-commerce web application focused on selling technology products such as mobile phones, laptops, monitors, and accessories. It features a modern React frontend with dynam…

    CSS 1

  2. TransactionalBankSystem TransactionalBankSystem Public

    A scalable transactional banking backend that handles the full transaction lifecycle - from initiation and authorization to settlement and posting. Includes account management, reconciliation engin…

    Java

  3. CloudNest CloudNest Public

    Built a cloud-native file storage backend using Spring Boot, integrating object storage (AWS S3/MinIO) for scalable file management. Implemented JWT-based authentication, secure file access via pre…

    Java

  4. Cinnamon-Quill-Grades-Classification-Image-Dataset Cinnamon-Quill-Grades-Classification-Image-Dataset Public

    The workflow includes preprocessing, augmentation, two CNN architectures, transfer learning experiments, TensorBoard monitoring, evaluation, and saving trained models in .pth format.

    Python