Full-stack AI developer with proven experience deploying AI solutions across diverse industries—finance, utilities, and manufacturing.
Multi-domain background and experience in various technical roles enable versatile stakeholder communication and holistic approach to service development, from initial requirements gathering to production deployment.
🎨 Technical Skills
| Category | Technologies |
|---|---|
| Languages | Python, JavaScript, TypeScript |
| Frontend | React, Next.js, TailwindCSS |
| Backend | FastAPI, Node.js, Express |
| ML/DL | PyTorch, TensorFlow, Scikit-learn |
| Database | PostgreSQL, MongoDB, Turso(Sqlite) |
| DevOps | Docker, GitHub Actions, Vercel |
| Version Control | Git, Github |
📚 Education
• Bachelor of Computer Science
Handong Global University
3.2009 ~ 8.2016
• English Major | Student Council President
Gyeongnam Foreign Language High School
3.2006 ~ 2.2009
• Biomedical Lab AI Researcher
Modu Research Institute (Private Research Institute)
1.2018 ~ 12.2018
📜 Certificates & Awards
- • Machine Learning
Stanford Online (Coursera) - Jan 2021
- • Data Science Math Skills
Duke University (Coursera) - Apr 2018
- • Bayesian Statistics: From Concept to Data Analysis
University of California, Santa Cruz (Coursera) - Jan 2020
- • H&A Digital FLEX - Excellence Award
LG Electronics H&A - Dec 2021
- • 1st Place in Handong University Debate Competition
Oct 2012
🗣️ Languages
🇰🇷 Korean - Native
🇬🇧 English - Intermediate
IELTS: Overall Band 6.5 – 8 Nov 2025
Career Journey
Solopreneur | Peter's Place
05.2025 - now
• Protu - AI-Powered IELTS Writing Assistant
Built an automated proofreading service using AI to help IELTS candidates improve their writing. Designed human-like feedback interface to provide natural, conversational corrections.
• AI Engineering Technical Instructor & Mentor
Dong-A University, Busan (Nov 2025 - Dec 2025)
Full Stack Developer | KB Kookmin Bank
10.2022 - 05.2025
• Internal Service Development
Developed end-to-end in-house services as a full stack developer, including a foreign exchange suspicious transaction detection AI service and a foreign remittance document inspection OCR service.
AI Engineer | LG Electronics
06.2021 - 09.2022
• Retail Customer Analysis
Led an Object Tracking AI project to quantify and visualize customer behavior in offline stores, including movement patterns, visit frequency, and dwell time using deep learning models. Completed on-site development of a binary classification model within one week—from data collection and labeling to training—to distinguish between promoters and genuine customers, integrating it into the object tracking pipeline for accurate market reaction analysis.
AI Engineer | JB City Gas
12.2018 - 06.2021
• Patrol Assistance AI (Deep Drive Patrol)
Implemented an Object Detection AI model on patrol vehicles to detect and alert about excavators posing risks to gas pipelines.
• Demand Forecasting Model
Developed a time series ML project to forecast demand for gas, electricity, and heat, achieving 93% accuracy.
Front-end Developer & AI Researcher | DeepBio
03.2017 - 05.2018
• Cancer Diagnosis Program (DeepPath)
Developed a Java application to mark and digitalize suspected cancer areas and visualized AI prediction results.
• Deep Learning Research Participation
Collaborated on experiments to enhance the cancer diagnosis AI model.
Back-end Developer | Krazylab
07.2016 - 03.2017
• Back-End Development
Developed server APIs using Node.js and built a MongoDB database.
• Recommendation Algorithm & Machine Learning
Developed a recommendation system suggesting Facebook pages based on users' liked pages.