Toy Projects & Research
Personal projects and research done
Wedding Day - Wedding Invitation Site
A responsive webpage created based on the wedding planning experience. Implemented an SSE-streaming AI chatbot, encrypted account information, a photo gallery, and a password-based guestbook.
Key Achievements
- Implemented a real-time AI inquiry chatbot using SSE streaming
- Implemented RSA-OAEP + AES-GCM hybrid encryption for API communication, including streaming
- Implemented a PhotoSwipe-based lightbox and dual-carousel gallery
- Integrated Locomotive Scroll
Technologies Used
SolaTalk - KakaoTalk Notification Manager
A hybrid mobile app developed to efficiently manage KakaoTalk notifications. Self-designed the architecture combining native and web environments, and passed Play Store review for official release.
Key Achievements
- Self-designed hybrid app architecture
- Official Play Store approved and registered app
- Support for various frontend libraries
- First AIDD-based code writing - Over 80% of code written through AI
- User-friendly UI/UX design implementation
Technologies Used
NUGUMate - AI Emotion Diary
An AI emotion diary app developed as an industry-academic project with SKT and Hanyang University. Implemented voice-based diary writing and emotion analysis, and built a TensorFlow-based emotion classification model and server.
Key Achievements
- SKT-Hanyang University industry-academic project
- Diary entries via speech recognition and sentiment analysis
- Implemented TensorFlow-based emotion classifier
- Managed user data with MongoDB
Technologies Used
SOLA - Humor Classification System
A humor content auto-classification system developed using community data. Collected and preprocessed about 200,000 posts to build a Korean text classification model, and integrated it with a REST API for service deployment.
Key Achievements
- Crawled and processed 200k community posts
- Used KoNLP for Korean NLP
- Built TensorFlow text classification model
- Provided classification via Django REST API
Technologies Used
NotaChain - Blockchain Notary System
A decentralized notary system that verifies document authenticity and integrity using blockchain. Recorded and verified document information via smart contracts, and implemented Flutter-based mobile document registration and authentication.
Key Achievements
- Developed Ethereum smart contracts
- Built cross-platform Flutter mobile app
- Verified document integrity on blockchain
Technologies Used
HYC - Exchange Student Community
A mobile community app developed for exchange students to share information and communicate. Implemented bulletin boards, real-time chat, and course information features, and applied automated academic calendar crawling and push notifications.
Key Achievements
- Implemented real-time chat and community features
- Automated academic calendar crawling
- Developed course review and info sharing platform
- Added push notifications and live updates
Technologies Used
Research Projects
Trusted App Wallet Research
Analyzed BIP39 mnemonic codes and developed HD wallet modules in C
Partnership
Technologies
Research on secure crypto wallet integrated with hardware security module
Other Academic Projects
KSmartech - In-house Vacation System K-Connect
Role: Frontend Development
Developed organization/employee/leave management UI and documented common functions