I build LLM agent platforms and the runtime/infrastructure that runs them — and occasionally turn that work into research.
AI Developer @ Posicube — building agent platforms and the backend that keeps them running. Also a PhD student in AI Engineering at aSSIST, focusing on retrieval-augmented agents.
Backend & Infra — Python · FastAPI · Redis · Docker · Kubernetes AI & LLM — LLM Agents · RAG Pipelines · LangChain · OpenAI System Design — Async/Await · WebSocket · Multiprocessing · Distributed Systems
- LHTT — LLM-based Hyperparameter Tuning for Time Series Forecasting (published, JKSQM 2025) · paper · code
- Agent Trajectory Cluster Audit — a multi-dataset protocol for auditing unsupervised LLM-agent trajectory clustering (under review) · code · DOI
- TARA — Tool-Augmented Retrieval Agents for Self-Corrective RAG (under review) · code · DOI
- Patent KR102721044B1 — job-seeker–company matching model
- More on ORCID
- PyRunner — distributed Python sandbox & dynamic agent runtime (FastAPI, Redis Pub/Sub)
- OPIc Master — AI-powered OPIc speaking practice app · site
- Square Messenger — privacy-first social messenger with SHA-256 contact hashing · site
- Easy English Grammar (진짜 쉬운 영문법) — grammar practice app for TOEIC/TOEFL & conversation · Google Play · App Store
ISO/IEC 42001 (AI Management Systems) Auditor · based in Seoul, South Korea