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I am an AI-driven Full-Stack Engineer with over 20 years of experience in software development and intelligent agent integration. I love building efficient systems that blend technology with tangible results.…

Morgan Choi

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I am an AI-driven Full-Stack Engineer with over 20 years of experience in software development and intelligent agent integration. I love building efficient systems that blend technology with tangible results.…

Available to hire

I am an AI-driven Full-Stack Engineer with over 20 years of experience in software development and intelligent agent integration. I love building efficient systems that blend technology with tangible results.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Beginner

Language

Korean

Fluent

English

Advanced

Thai

Beginner

Work Experience

Independent Developer / AI Automation Engineer at okstudio / rmsystem

January 1, 2023 - Present

Built and maintained AI-driven code automation pipelines using ChatGPT and Codex for live production systems. Designed agent-assisted development workflows, improving feature delivery speed by over 40%. Developed RAG-based AI assistants for document retrieval, content generation, and engineering support. Integrated Claude Code + ChatGPT APIs for collaborative coding experiments within FastAPI services. Created LangChain-based developer tools enabling automated debugging, refactoring, and test generation.

Blockchain & Backend Developer at Freelance Projects

December 31, 2022 - October 21, 2025

Operated ATOM-based mainnet validator, managed RPC nodes, and optimized staking reward distribution. Built smart wallet and on-chain DApp ('CashCow') generating stable revenue for tokenized assets. Contributed to open-source API modules for Web3.js and Python-based smart contract interactions.

Senior Software Engineer at Mobile & Web Systems

December 31, 2018 - October 21, 2025

Developed 10+ Android applications with 3M+ installs and $500K+ revenue. Led cross-platform modernization using Flutter and JavaScript to unify web/mobile stacks. Automated backend pipelines for analytics and growth optimization.