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.

Jowoon Kim (John)
jowoonkim629@gmail.com
MIT, James Cook University
3+ Years of Experience
Profile photo

SKILLS

Programming Languages

Javascript badge
Python badge
Java badge
C badge
Kotlin badge

Backend Development

Express.js badge
Node.js badge
Rest API badge
FastAPI badge
MySQL badge
MongoDB badge

Frontend Development

HTML5 badge
CSS3 badge
React badge
Next.js badge
Typescript badge
Tailwind CSS badge
Bootstrap badge

Tools & Others

Git badge
GitHub badge
Swagger badge
TensorFlow badge
Jest badge
Pytest badge
Figma badge
Bash badge

Cloud & Deployment

AWS EC2 badge
AWS RDS badge
AWS Lambda badge
AWS S3 badge
Vercel badge
Docker badge

Languages

Korean
English
Vietnamese

PROJECTS

Deep Learning Fraud Detection During Online Assessment thumbnail

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.

Python
Tensorflow
Agile
Pytest
CodeDemo
Stray Spotter: Cloud-based Web Service thumbnail

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.

Node.js
AWS S3
MySQL
Express.js
Docker
Next.js
Jest
Swagger
Javascript
Rest API
Code
Responsive Portfolio Website thumbnail

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.

Next.Js
Tailwind CSS
Vercel
CodeDemo
Word Monster: Gamified Language Learning on Android thumbnail

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.

Kotlin
Android Studio
AI BI: AI-Powered Business Intelligence Web Application thumbnail

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.

React
BI
EasyGo: Travel App Design with HCI Principles thumbnail

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.

Figma
HCI
Usablity Testing
DemoVideo
Lyrics Crawling: Python RPA for Subtitle Automation thumbnail

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.

Python
RPA
BeautifulSoup
Code
Jewelry Hunter: Java-based 2D Puzzle Adventure thumbnail

Jewelry Hunter: Java-based 2D Puzzle Adventure

2D puzzle adventure game for Windows platform featuring interactive gameplay and visual storytelling elements.
Team-developed Java application with custom GUI interface and comprehensive game logic implementation.

Java
Swing
Git
GitHub
CodeVideo

CAREER JOURNEY

Docentron logo

Web Developer Intern

Docentron

DEC 2024 - APR 2025

- 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.

LG Electronics Inc, Vietnam logo

Data Analyst

LG Electronics Inc, Vietnam

OCT 2021 - SEP 2022

- 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.

LG Electronics Inc, Vietnam logo

Project manager

LG Electronics Inc, Vietnam

AUG 2019 - SEP 2022

- 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.