Jiwon Baek
Full-Stack DeveloperA full-stack developer who has won 8 awards at on- and off-campus SW competitions, with hands-on and extracurricular experience from the KHUDA data & AI society and an ICT internship.
I currently serve as a teaching assistant for the Samsung C&T (Fashion) AI Agent program. Working primarily in the Claude Code CLI environment, I actively leverage the latest open-source AI tools to grow as an AI-Driven Developer.
Tech Stack
Work Experience
- AI training for Samsung affiliate C-suite & executives (May 2026 – Aug 2026)
- Employee AI training at Samsung C&T (Fashion) (Aug 2026 – Oct 2026)
- Assisted with AI training for major enterprises including Samsung Fire & Marine, Hanwha Life, and Hanwha Investment & Securities
- Supported hands-on practice with LLM tools including Claude Code, Gemini, NotebookLM, and Google AI Studio
- Developed the frontend for a B2B SaaS dashboard
- Refactored repetitive UI into shared components and optimized rendering performance
- Designed and built the UI/UX for a personalized webtoon recommendation service
Award-Winning Projects
GenAI & OCR-based contract risk clause analysis service. Selected as Kyung Hee University's representative team for the national competition
- Designed an OCR and analysis pipeline triggered on contract upload
- Built a masking feature that lets users redact sensitive personal information before upload to prevent data leakage
- Added an editable OCR review step so users can verify and correct recognized text before it feeds the analysis
- Built a Bedrock-based RAG pipeline: S3 storage → Titan embeddings → OpenSearch vector search → Claude 3.5 Sonnet analysis
- Developed the Next.js web interface and iOS WebView integration
- DDOBAK AI analysis scored 14/15 for accuracy via an LLM-as-a-Judge evaluation (vs. 11.25 avg. for commercial LLMs)
Personalized algorithm problem recommendation service based on Baekjoon Online Judge data, built as a React Chrome extension
- Implemented three separate recommendation modes — by problem similarity, forgetting curve, and weak-area model
- Built a Chrome extension so users can get recommended problems directly on Baekjoon
- Won 1st place across all categories at the SW Festival
Awards
Extracurricular Activities
- Completed hands-on labs in Google Cloud study sessions to build cloud infrastructure fundamentals
- Served on the organizing team and led Three.js and React study groups
- Started in CV Track (Cohort 3), later served as NLP Track member and organizer (Cohorts 7–8)
- Participated in study groups spanning AI fundamentals through deep learning, Computer Vision, and NLP
- Planned and operated data hackathons, handling participant coordination, scheduling, and event logistics
- Completed 6 data/AI projects applying artificial intelligence to real-world problems, and advanced one of them to win the overall Grand Prize across all divisions at the SW Festival