AI Engineer & Entrepreneur based in Seoul, Korea. I build AI-powered products and obsess over making them cost-efficient.
- π CS & Engineering @ Konkuk University
- π SW Maestro 16th β Outstanding Graduate
- π Founder of Ling-Level, an AI-powered English learning platform
- π Interested in LLM cost optimization, AI workflows, and cloud infrastructure
- π― Building toward Full-Stack AI Engineering, focused on LLM orchestration
AI / LLM
Backend
DevOps
Ling-Level β AI English Learning Platform
Automatically adjusts English content difficulty across CEFR levels using LLMs.
- β‘ 100x cost reduction β via AWS Bedrock model benchmarking and LangGraph pipeline optimization
- π LangGraph-based AI workflow with AWS Bedrock
- π CEFR-aware content pipeline with automated daily content delivery
