π Senior Programmer | System Architect | Tech Explorer
I'm a Hong Kong-based full-stack developer with over 5 years of experience in mobile and web development. I specialize in Flutter, Node.js, and TypeScript, and I love building scalable systems with MongoDB, Redis, Docker, and AWS.
- Frontend: Android(Kotlin, Java), iOS (Swift), Next.js, React.js, HTML/CSS/JS
- Backend: Node.js, TypeScript, Express.js, Hapi.js, Java with Spring Boot, Go, Python
- Database: MongoDB, Elasticsearch, Redis, MySQL
- DevOps: Docker, PM2, AWS EC2/S3/CloudFront/Lambda, GitHub Actions
- Security & Observability: Log Center, Rate Limiting, SSE
- AI/ML: RAG with LLMs, Vector Search, OpenAI, Elastic Embeddings
- π§ Email: leokwsw@gmail.com
- πΌ LinkedIn
βKeep building. Stay curious. The journey is the reward.β β¨