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🚀 Full Stack Developer passionate about building scalable applications
🌍 Currently in Japan, seeking opportunities in Europe (preferably Poland 🇵🇱)
💻 Specialized in Node.js, TypeScript, and real-time systems

🎯 About Me

"I build robust, scalable applications that solve real-world problems. My passion lies in backend development and creating seamless user experiences through modern web technologies."

• 🔧 Backend Specialist: Node.js, TypeScript, PostgreSQL, Redis, WebSockets
• 🏗️ Architecture: Microservices, scalable systems, real-time applications
• 🌐 Languages: 🇵🇱 Learning Polish · 🇺🇸 Fluent English · 🇧🇷 Native Portuguese
• 🎮 Interests: Game server architecture, creative web apps, open source
• 🎯 Goal: Relocating to Europe (preferably Poland) for new opportunities

🛠️ Tech Stack

Backend & Runtime

Databases & ORMs

Real-time & APIs

Frontend

DevOps & Tools

🚀 Featured Projects

🤖 Discord Bot Modular Discord bot with event-based architecture	🎫 Event Management API Real-time event synchronization service
📥 YouTube Download API Popular YouTube download service	🔧 DevOps Pipeline CI/CD with code quality analysis
💬 Chat Application Real-time chat backend	🎨 Chat Frontend Modern chat interface

🌟 Key Achievements

• 🔐 Security: Implemented JWT-based authentication with refresh token strategies
• 🧪 Testing: Built testable codebases with Jest and comprehensive CI/CD pipelines
• 💬 Real-time: Developed WebSocket-based chat applications with Socket.IO
• 🔄 Performance: Optimized applications with Redis caching and background job processing
• 🏗️ Architecture: Designed scalable microservices and RESTful APIs
• 🌐 Deployment: Successfully deployed applications using Docker and cloud platforms

🎯 Current Focus

🔍 Actively seeking Full Stack or Backend opportunities in Europe
Particularly interested in Poland 🇵🇱 - Open to relocation!

📧 Ready to connect?
matheus.ishiyama@outlook.com | LinkedIn