Raphael Jeonghuan Lee

AI Researcher | Lead Frontend Engineer

Building innovative AI-powered applications with React Native, Flutter, and cutting-edge ML models. Passionate about transforming ideas into production-grade software.

About Me

I'm a passionate Software Engineer and AI Researcher with a strong background in full-stack development, mobile applications, and AI/ML integration. I specialize in building cross-platform applications using React Native and Flutter, creating seamless user experiences that bridge web and mobile platforms.

My expertise includes developing AI-powered applications, real-time data synchronization, and architecting scalable systems on cloud platforms. I'm passionate about translating cutting-edge research into production-grade software that users love.

Austin, TX
(409) 916-7535
raphaeljeonghuanlee45@gmail.com

Work Experience

VL
Aug 2023 – Oct 2025

AI Researcher | Lead Frontend Engineer

Variant Labs
San Francisco, CA
  • Researched and implemented real-time AI generation pipelines for procedural game assets
  • Built full-stack AI asset workflow using FastAPI with RunningHub for model orchestration
  • Architected web and mobile applications with TypeScript, React Native, and Flutter
  • Deployed scalable infrastructure on GCP for high-volume AI workloads
  • Integrated Kibana logging and monitoring for performance insights
  • Built real-time collaboration features using Firestore and WebSockets
  • Led frontend architecture with Riverpod and Redux Toolkit
TO
Jan 2021 – Jul 2023

Software Engineer

TopHap
San Ramon, CA
  • Developed TopHap Explorer mobile app from scratch using React Native
  • Integrated AR for property identification with ARKit and ARCore
  • Implemented GPS-based property search with Google Maps API
  • Developed real-time data synchronization using WebSockets and AWS
  • Built Comparative Market Analysis (CMA) feature with React Query
  • Integrated neighborhood analysis features with external APIs
  • Handled complex state management with Redux and Redux-Thunk
  • Conducted rigorous testing with Jest and React Native Testing Library
TS
Jun 2019 – Dec 2020

Junior Web Developer

True Prodigy Tech Solution
McKinney, TX
  • Learned and applied React.js/React Native/TypeScript for daily tasks
  • Designed architecture using Redux and Redux Saga for state management
  • Delivered responsive and pixel-perfect user interfaces
  • Implemented React Hooks to accelerate frontend rebuilds
  • Wrote readable and bug-free code using TypeScript
  • Used testing frameworks including Jest, Mocha, and Cypress

Featured Projects

TryVariant

Mar 2025 – Oct 2025

Social Media Game Platform

A cross-platform AI Game Generator that transforms text prompts into fully playable games with dynamic levels, mechanics, and assets.

FlutterTypeScriptPythonHugging Face
  • Developed cross-platform AI Game Generator transforming text prompts into playable games
  • Designed AI asset pipeline with FastAPI, integrated with RunningHub for model orchestration
  • Architected web and mobile applications sharing logic and UI components across platforms

TopHap Explorer

Dec 2022 – Jul 2023

Real Estate AR App

Full-featured real estate mobile app providing real-time property data, neighborhood insights, and market analytics with AR capabilities.

React NativeGoogle MapsAWS
  • Developed full-featured real estate mobile app from scratch using React Native
  • Integrated AR with ARKit and ARCore for instant property identification
  • Implemented GPS-based discovery via Google Maps API with Redux-Thunk
  • Built real-time synchronization and CMA features using AWS, WebSockets, and React Query

Skills & Technologies

Flutter
React
React Native
TypeScript
JavaScript
Next.js
Node.js
Express.js
Firebase
AWS
PostgreSQL
MongoDB
MySQL
SQLite
Redis
GraphQL
Docker
Git
GitHub
Jest
Cypress
Python
Java
Kotlin
Swift
Dart
Phaser.js
JWT
OAuth
Sentry
React Testing Library
Bitbucket
Jira
Slack
VS Code
Xcode
Android Studio
CI/CD
Hugging Face
WebSocket
AWS DynamoDB

Education

Bachelor of Science in Computer Science

Texas A&M University

College Station, TX
2015 – 2019

Get In Touch

I'm always open to discussing new opportunities, interesting projects, or just having a chat about technology.