AI Health Coaching System - Multi-Agent Health Management
- 6-Layer OODA Loop architecture with specialized AI agents
- LSTM prediction model (30K params) for 7-day health forecasting
- RAG pipeline with MongoDB Vector Search
AI Perfume Recommendation Service - B2B for Global Brands
Role: AI Development Lead (Acting CTO) at PerfumeToday startup
- Delivered B2B solution to global brands Buly and Jovoy (₩15M project)
- Built LLM pipeline analyzing 20,000+ reviews with 95%+ keyword extraction accuracy
- Architected RAG-based recommendation engine using Vector DB + Graph DB
Real-time AI VTuber - AI Character Conversation System
- <2s end-to-end latency streaming pipeline
- Voice Activity Detection (VAD) with noise cancellation
- Live2D lip sync with ElevenLabs TTS
AI Product Naming Service - Multimodal Fashion MD Tool
- Multimodal AI naming with image analysis, OCR, and duplicate prevention
- Delivered in 3 days, generating ₩200,000 revenue
- Streamlit web app with batch Excel export
AI Knowledge Management Desktop App - Productivity Hub
- Alt+Click scraping with automatic AI tagging/summarization
- RAG search with Tantivy engine and Claude API
- Multi-window management (2-6 panel layouts)