🎓 M.S. in Data Science & AI at Sogang University (Expected Aug 2026)
I design, build, and operate web & mobile services end-to-end. As CTO at Portzone, I shipped 3 products serving 22,000+ cumulative users, architected AWS-based infrastructure and CI/CD pipelines, and led a 4-person product team.
Currently focusing on:
- Product Architecture — integrated design across frontend, backend, data, and infrastructure
- AWS Cloud Operations — ECS/Fargate, EB, S3, CloudFront, KMS
- DevOps & CI/CD — Docker + GitHub Actions-based deployment automation
- Multi-Platform Development — Next.js web & React Native mobile
- RAG-based Financial Data Retrieval Research (graduate thesis)
Backend:
Frontend:
Additional: React Native · Expo
Cloud & DevOps:
Data & AI:
Additional: RAG · LLM Pipeline · Crawling / Automation
Tools:
- PuffZone — Global Smoking/Non-Smoking Zone Map Service (2025.10 – 2026.02) Shipped global MVP in 2 months, acquiring 3,000+ users. Implemented 5-language i18n with real-time translation, map clustering optimization, and location privacy audit logging compliant with Korean law.
Additional: React Native · Expo · S2 Geometry
- SchoolMeet — Verified Academic Credential Social Network (2025.03 – 2026.02) Shipped web MVP in 3 months, mobile app in 2 months → 13,000+ cumulative users. Built AWS KMS file encryption for sensitive documents and OCR + LLM auto-verification pipeline reducing manual review by 90%+.
Additional: React Native · Expo · AWS KMS · CLOVA OCR · AWS Bedrock
- ILoveClub — Club Administration Platform (2023.05 – 2026.02) Integrated real-time reservation/approval with Kakao, email, and push notifications. Built GitHub Actions + Docker CI/CD for 7-min auto deploy/rollback on Elastic Beanstalk. Migrated backend from EB to ECS (Fargate) for container orchestration.
