Jiwon Baek
Full-Stack DeveloperWith 8 SW competition awards and startup frontend intern experience, I've built products spanning RAG·LLM pipelines and AWS infrastructure.
I'm currently an assistant instructor for Samsung executives' AI Agent training. Building primarily on the Claude Code CLI environment, I leverage the latest open-source AI tools to grow as an AI-Driven Developer.
Tech Stack
Language
Frontend
Backend
Infra & AI
Work Experience
Samsung AI Agent Executive Training Program
Teaching Assistant · Part-time
- Assisted with hands-on AI training for C-suite executives across Samsung affiliates
- Guided practical sessions on workflow automation and website building using the latest LLM tools including Claude Code, Gemini, NotebookLM, and Google AI Studio
Today's Webtoon (Startup)
Frontend Developer Intern · ICT Internship
- 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
DDOBAK
🥈 2025 SW-Centric University Digital Competition · Outstanding Award (SW)
May 2025 – Aug 2025
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)
Aljjalttakkkalsen-chu
🥇 2023 Kyung Hee University SW Festival · Grand Prize
Jul 2023 – Nov 2023
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
2025
🥈 Outstanding
SW-Centric University Digital Competition (SW Category)
🥈 2nd
SK AI Summit · University Booth
🥈 2nd
SK AI Summit · AI Scholarship Quiz
🥉 Excellence
Kyung Hee Univ. Khuthon
2024
🥇 1st
Kyung Hee Univ. KVS Cohort 10 · Promising Team
2023
🥇 Grand Prize · 💖 Popularity
Kyung Hee Univ. SW Festival
🥈 Outstanding
Kyung Hee Univ. Khuthon
Extracurricular Activities
Jul 2025 – Mar 2026
GDGoC (Google Developer Groups on Campus)
- 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
Jan 2023 – Dec 2025
- Started in CV Track (Cohort 3), later served as NLP Track member and organizer (Cohorts 7–8)
- Studied deep learning and AI fundamentals through Computer Vision and NLP study groups
- Planned and operated data hackathons, handling participant coordination, scheduling, and event logistics
- Completed 6 data/AI projects applying artificial intelligence to real-world problems
Aug 2023 – Jul 2024
Algorithm Mentoring · Kyung Hee High School
Mar 2024 – Jul 2024
C++ Algorithms mentoring
Aug 2023 – Dec 2023
Java Algorithms mentoring
2023 – 2025
Teaching Assistant · Kyung Hee University
Mar 2025 – Jun 2025
Algorithms course TA
Sep 2023 – Dec 2023
Object-Oriented Programming course TA
2021 – 2023
Student Council · College of Software Convergence, Kyung Hee University
