SOFTWARE DEVELOPER PORTFOLIO
Hi, I'm Jowoon! I'm passionate about full-stack development and AI. Welcome to my portfolio!
ABOUT ME
Experienced developer with a passion for data, having saved $21M through data analysis and managed projects for over 3 years in international corporate settings. Holds a master's degree with a solid IT foundation. Aims to leverage my technical and interpersonal skills to build extraordanary products.

PROJECTS

Deep Learning Fraud Detection During Online Assessment
LSTM-based non intrusive real-time fraud detection system that analyzes mouse behavior patterns to identify fraud.
96% accuracy with 0.09 second response time.
Agile development process with TDD, resulting in 15% reduction in project delivery time.

Stray Spotter: Cloud-based Web Service
Cloud-based web platform for stray cat monitoring that enables photo sharing and automatic metadata extraction to track population and welfare status.
Containerized full-stack architecture with backend managing database and AWS S3 cloud integration, and frontend server delivering responsive user interface.

Responsive Portfolio Website
Responsive, interactive portfolio website that showcases my achievements.
Modern web application leveraging cutting-edge technologies for full-stack development, responsive styling, and cloud deployment to ensure optimal performance and accessibility.

Word Monster: Gamified Language Learning on Android
Educational Android game combining language learning with gamification elements to enhance user engagement.
Mobile application featuring competitive leaderboard system, global ranking integration, and MVVM architecture for scalable maintenance.

AI BI: AI-Powered Business Intelligence Web Application
AI-driven platform automatically generating business intelligence charts from raw user data.
Interactive React-based frontend delivering intuitive data visualization and exploration experience.

EasyGo: Travel App Design with HCI Principles
Travel app prototype integrating food, accommodation, and attraction features in unified experience.
HCI-focused design achieving 12% usability improvement through user testing and optimization.

Lyrics Crawling: Python RPA for Subtitle Automation
Python automation system for subtitle generation during live hymn broadcasts using web crawling technology.
RPA solution reducing manual search and transcription time by 90% through automated data extraction.
CAREER JOURNEY

Web Developer Intern
Docentron
- Developed and maintained a WordPress website for a real estate business.
- Optimized website for SEO to improve search visibility.
- Configured and customized plugins for property and agent management.

Data Analyst
LG Electronics Inc, Vietnam
- Analyzed data to minimize wasted materials, resulting in total savings of 21 million USD over one year.
- Beyond my data analyst responsibilities, designed a database using Qlik that integrated around 45,000 daily records from multiple corporate systems.
- Built end-to-end data pipeline from raw data extraction to interactive data visualizations using SQL to deliver actionable insights.

Project manager
LG Electronics Inc, Vietnam
- Ensured timely readiness for mass production of IVI (In-VehicleInfotainment) systems by overseeing key metrics such as defect ratesand production rates, achieving a 73% defect reduction.
- Collaborated with other teams to coordinate production trial runs and manage project documentation, to guarantee smooth project execution.
- Managed KPI tracking for 100+ projects, delivering weekly reports to resolve bottlenecks and driving 3 years of continuous target achievement.
GET IN TOUCH
Let's work together to bring your ideas to life.