Software Engineer · Runbear 2025 — Present Building AI teammates that live where teams work — Slack, Teams, and Discord. Connect your tools and knowledge, and an AI teammate answers, acts, and automates.
Instructor · Fast Campus — Korean DeepLearning.AI 2024.10 — 2025.03 Taught the online course "Evaluation & Optimization of RAG Systems" — how to measure and systematically improve RAG pipelines.
Co-Founder · AutoRAG Inc. 2025 Founded a startup to commercialize AutoRAG, the open-source project loved by engineers worldwide. Later pivoted from the founder role to pursue a dedicated technical path in software engineering and open source.
AI Engineer · Markr.AI 2023.06 — 2024.09 Co-led open-source projects. Designed AutoRAG's modular framework (★4.9K), engineered hybrid retrieval and parallel inference, researched chunking and LLM-as-a-Judge, ran a 500+ member Discord community, and shipped Kice-Slayer (★530) and RAGChain (★282).
Co-Founder · EDAI Inc. 2022.09 — 2023.05 Built an in-game PPL (product placement) solution as a Unity SDK. Interviewed 60 companies in 2 days, closed contracts with a metaverse company and an ad company, and filed a patent for 3D virtual-space exposure measurement.