Langgraph

Building an agentic multimodal search system (CoI-Fit) for 3D product retrieval at Bucketplace, combining LLM reasoning with BM25+KNN hybrid search across visual, textual, and spatial signals via LangGraph and A2A protocol.

Led systematization of OHouseAI’s GenAI interior design service at Bucketplace, achieving +253% net satisfaction, 2x latency reduction, and outperforming GPT-IMAGE-1.5 and Gemini Nano. Reached Korea #8 in Graphics/Design.