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.
Tech Stack
Language
Frontend
Backend
Infra & AI
Work Experience
Samsung AI Agent Executive Training Program
Teaching Assistant · Part-time
- Facilitated and mentored hands-on AI training for C-suite executives across Samsung affiliates
- Guided practical sessions on workflow automation and website building using Claude Code, Gemini, and other LLM tools
- Provided real-time troubleshooting and support during live exercises
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 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
- Implemented in-site UI/UX so users receive 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