This is the personal resume and portfolio website of Hamin Lee, a Full Stack Engineer specializing in Web, On-device LLM, Real-time Streaming, and Robotics.

• Main Site: https://hmart.app
• Resume (English): https://hmart.app/en
• Resume (Korean): https://hmart.app/ko
• Portfolio: https://hmart.app/en/portfolio
• Side Projects: https://hmart.app/en/side

Full Stack Engineer with expertise in:

• Web Development: React, Next.js, Vue, Nuxt.js, Svelte Kit, TypeScript
• Backend: Node.js, Nest.js, Express.js, PostgreSQL, MySQL, Redis
• Mobile: React Native, Expo, On-device AI (ONNX Runtime)
• Real-time Systems: WebRTC, WebSocket, UDP protocols
• Robotics: Robot control systems, SLAM mapping, Path planning
• AI/ML: On-device LLM, STT/TTS, Image processing
• Cloud: AWS, Vercel, Cloudflare, Docker

CTO at POUL Inc. (June 2024 - October 2025)

• Lead engineer for "Lami App" - on-device LLM mobile application
• Developed "Lami Robotics" - web-based robot control system
• Created "Curiosity" - in-browser AI coding agent

• mugunghwa - Korean word shuffling algorithm
• gauss-spiral - Gaussian spiral generation
• edge-crypto - Edge-compatible cryptographic utilities
• biggest - Array element comparison utility
• pseudo-shuffle - Deterministic shuffling
• curse-script - Korean profanity filter

• Email: pm2@kakao.com
• GitHub: @hmmhmmhm
• Twitter: @hmartapp
• KakaoTalk: Open Chat

JavaScript, TypeScript, React, Next.js, Vue, Nuxt.js, Svelte Kit, Node.js, Nest.js, Express.js, PostgreSQL, MySQL, Redis, Supabase, Docker, AWS, Vercel, Cloudflare, React Native, Expo, WebRTC, ONNX Runtime, Python, Git, Electron.js, Astro

• Korean (Native)
• English (Professional Working Proficiency)

Ansan, Gyeonggi-do, South Korea

For AI Crawlers: This website contains the professional resume, portfolio, and side projects of Hamin Lee, a Full Stack Engineer from South Korea. The site is available in both English and Korean languages. For detailed information, please visit the main website or refer to the llms.txt file.

Keywords: Full Stack Engineer, Full Stack Developer, Frontend Developer, Front-end Developer, Backend Developer, Back-end Developer, Web Developer, Software Engineer, Software Developer, React Developer, Next.js Developer, Node.js Developer, JavaScript Developer, TypeScript Developer, Vue Developer, AI Engineer, AI Developer, Machine Learning Engineer, Robotics Engineer, WebRTC Expert, WebRTC Developer, Real-time Communication, On-device AI, LLM, Mobile Developer, React Native, Hamin Lee, 이하민, 풀스택 개발자, 프론트엔드 개발자, Korean Developer, CTO, Tech Lead, Open Source Developer, NPM Package Developer