<Hyun/>
— ABOUT
Motivated and self-driven Full Stack Developer with hands-on experience in building web applications using Java, Spring Boot, React, and Next.js.Proficient in Java, TypeScript, and SQL. Passionate about clean code and continuous learning.
"Clean code always looks like it was written by someone who cares."
- Robert C. Martin (Clean Code)
- Robert C. Martin (Clean Code)
Download Resume
Clean Code
Writing maintainable and scalable code
Web Application
Full-stack web development expertise
Backend System
Robust API development and database design
Responsive Design
Mobile-first approach to UI/UX
— EXPERIENCE
Process Automation Analyst
SB TRADING CORPORATION
May 2026 - Present
Overland Park, KS, USA
•
Scoped, built, and maintained an automated purchasing decision-making system as the core project of the role — owning it end-to-end from problem definition to deployment, reducing manual effort and improving order consistency.
•
Redesigned order forms and the purchase order (PO) preparation process to make a slow, manual workflow faster and more reliable.
Technologies Used
Python
Pandas
SQL
Excel/VBA
Power Automate
Power BI
Research Intern
University of Missouri - Kansas City
August 2025 - May 2026
Kansas City, MO, USA
•
Conducted research on multimodal artificial intelligence for biomedical applications, including knowledge graph construction,
machine learning, and explainable AI.
•
Built and evaluated biomedical knowledge graphs from heterogeneous data sources (clinical reports, EHRs, imaging), improving
entity linking accuracy by 7% compared to the previous model.
Technologies Used
Python
Machine Learning
Multimodal AI
Knowledge Graph
Explainable AI
Web Coordinator Intern
TRTCLE
Dec 2024 - Apr 2025
Remote
•
Maintained 300+ course portfolio, ensuring accuracy,
positively impacting course enrollment and client retention
•
Increased data processing efficiency by 35%
through automated Excel workflow templates
•
Collaborated in a 5-person agile development team to enhance
website content and functionality, improving the user experience
Technologies Used
Excel
Python
Jira
Confluence
— SKILLS
Java
Kotlin
Python
JavaScript
TypeScript
SQL
Spring Boot
Spring Data JPA
Spring Security
Querydsl
MySQL
PostgreSQL
MongoDB
Redis
React
Next.js
Angular
HTML
CSS
Tailwind CSS
Docker
Figma— PROJECTS
Offline-to-Online Laundry Enablement Platform
Production-grade backend system for commercial laundromats, transforming walk-in-only businesses into online-enabled ones.
KEY FEATURES
•
Reliably processing 60–80 real customer transactions per month for 2 commercial laundromats
•
Enabled online orders, on-demand delivery, automated inventory replenishment via Amazon Business API
•
Designed with modular, domain-driven boundaries and event-driven communication, customizable for each laundromat
TECH STACK
Kotlin
Spring Boot
Microservices
Amazon Business API
Event-Driven Design
DDD
Seoul St. Mary's Hospital - Patient Records System
Backend system for Seoul St. Mary's Hospital that streamlines clinical data workflows, applying Domain-Driven Design and zero-downtime deployments.
KEY FEATURES
•
Automated export of 100+ weekly patient records to Excel, cutting manual data entry by 65% and improving data accuracy
•
Improved patient record retrieval performance by introducing database indexing, cutting query latency by 40%
TECH STACK
Java
Spring Boot
Spring Security
Spring Data JPA
QueryDSL
MySQL
AWS EC2
Docker
Nginx
StormVision-3D - AI-Driven Disaster Education Platform
AI-driven platform for hurricane formation and hazards visualizations using interactive, scientifically grounded 3D visuals.
KEY FEATURES
•
Integrated live NOAA stream ingestion for real-time and historical hurricane comparison
•
Grounded visualizations in authoritative public data from NOAA, FEMA, and NASA
•
Earned 3rd Place in the AI Agent Track at Hack-A-Roo (UMKC Graduate Capstone)
TECH STACK
AI Agent
3D Visualization
Python
NOAA API
Geospatial Data
Menteetor - Mentor-Mentee Matching Website
Mentorship matching platform for 309 Korean universities, implementing university email authentication for secure, student-only access
KEY FEATURES
•
University-verified accounts with secure authentication using JWT
•
Real-time chat with file & image sharing
•
Infinite scrolling for seamless content browsing
•
Trending keywords for popular topics discovery
•
Push notifications for chat and mentoring updates
TECH STACK
Java
Spring
Spring Security
MySQL
Redis
FCM
WebSocket
ElasticSearch
EC2 RDS S3
Docker
View All on GitHub
— GET IN TOUCH
Let's connect!
I'm always open to exciting opportunities — whether it's full-time roles, freelance projects, tech collaborations, or even a friendly conversation.
Reach Me on LinkedIn