I'm a Backend Developer passionate about building scalable, maintainable, and reliable backend systems.

I mainly work with Java/Spring Boot and Node.js/NestJS, with a strong interest in system design, databases, distributed systems, DevOps, and cloud technologies.

• 💻 Backend Developer focused on Java & NestJS
• 🌱 Currently learning and building projects with Spring Boot
• 🏗️ Interested in Microservices & System Design
• 🗄️ Working with PostgreSQL, Redis, and relational databases
• 🐳 Learning and applying Docker & CI/CD
• ☁️ Interested in Cloud & DevOps
• 📚 Improving English for software engineering
• 🎯 Goal: Build reliable backend systems and continuously improve engineering skills

                    Backend Engineering
                           │
          ┌────────────────┴────────────────┐
          │                                 │
      Java / Spring                    Node.js / NestJS
          │                                 │
     REST API / JPA                  REST API / TypeORM
     Hibernate                       TypeScript
          │                                 │
          └───────────────┬─────────────────┘
                          │
                    PostgreSQL
                          │
                       Redis
                          │
                    Docker / Linux
                          │
                     CI / CD

• Spring Boot fundamentals
• Spring Web / REST API
• Spring Data JPA
• Hibernate
• Spring Security
• Authentication & Authorization
• Validation & Exception Handling
• Transaction Management
• Testing
• Clean Architecture
• Design Patterns

• RESTful API Design
• Microservices
• gRPC
• Message Queues
• Distributed Systems
• Caching
• Database Optimization
• Database Indexing
• Partitioning
• Replication
• System Design

• Docker
• Docker Compose
• Linux
• CI/CD
• GitHub Actions
• GitLab CI/CD
• Monitoring & Logging
• Cloud Infrastructure

A practical backend project built with Java and Spring Boot.

Tech Stack

Java Spring Boot Spring Data JPA PostgreSQL Redis Docker

Features

• RESTful API
• Authentication & Authorization
• PostgreSQL database
• Redis caching
• Validation
• Global exception handling
• Transaction management
• Dockerized development environment
• Unit & integration testing

View Project →

A production-oriented backend API built with NestJS and TypeScript.

Tech Stack

Node.js NestJS TypeScript PostgreSQL Redis TypeORM Docker

Features

• REST API
• Modular architecture
• Authentication & Authorization
• PostgreSQL
• Redis
• Background jobs
• Scheduled tasks
• Database transactions
• Docker Compose

View Project →

Backend Development
        │
        ├── API Design
        ├── Database
        │     ├── PostgreSQL
        │     ├── Query Optimization
        │     ├── Indexing
        │     └── Transactions
        │
        ├── Caching
        │     └── Redis
        │
        ├── Architecture
        │     ├── Clean Architecture
        │     ├── Microservices
        │     └── Distributed Systems
        │
        └── DevOps
              ├── Docker
              ├── CI/CD
              ├── Linux
              └── Cloud

• Strengthen backend fundamentals
• Work with production backend systems
• Build production-ready Spring Boot projects
• Deepen Java & Spring Security knowledge
• Learn Microservices architecture
• Improve Docker & CI/CD skills
• Learn Cloud fundamentals
• Improve System Design skills
• Improve technical English
• Build and maintain open-source projects

"Build systems that are simple, reliable, and easy to maintain."