I am an independent developer specializing in web and app platform development. I provide end-to-end support to turn your ideas into reality, offering solutions for everything from small-scale projects to professional services.

# 20+ years of experience in online/mobile server development, serving over 5 million global customers

# Co-founded startup (Snowpopcorn) with annual revenue of $0.6M to $1.5M (total revenue of $5M)


Innovative Solo Full-Stack Developer | End-to-End Solution Specialist

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AI & Current Focus

I am currently focused on leveraging AI to build intelligent applications and exploring the latest advancements in the field.

Generative AI Chatbot

Developing a sophisticated chatbot using Large Language Models (LLMs) like GPT and Gemini. The goal is to create a seamless and natural conversational experience for users.

RAG Pipeline Implementation

Building and optimizing Retrieval-Augmented Generation (RAG) pipelines to provide more accurate and context-aware responses by combining LLMs with external knowledge bases.

AI-Powered Automation

Exploring and implementing AI-driven automation solutions using tools like n8n and Zapier to streamline workflows and improve productivity for businesses.

Innovative Full Stack Developer & Startup Leader

Driving Global Services with 5M+ Users & Scaling Startups to 6 Billion KRW Revenue

🧑‍💻
20+ Years Experience
💼
20+ Clients
🚀
35+ Projects
🧑‍🤝‍🧑
+5M Users
💰
+5M$ Revenue

PROJECTS

From planning and design to development, deployment, and maintenance.

SKILLS

Developer who enjoys learning new skills and is constantly challenged

🤖 AI & GenAI

  • LLM API Integration (OpenAI, Gemini, Azure)
  • MCP, RAG, Ollama, Prompt Engineering
  • n8n, Zapier, Airflow

☁️ DevOps & Cloud

  • AWS, GCP, Docker, Kubernetes
  • CI/CD, GitHub Actions, Jenkins

🖥️ Frontend / Backend

  • React, Next.js, Flutter, Node.js, Python, Java
  • NestJS, Firebase, Nginx

📊 Data & Collaboration

  • DBMS, Redis, BigQuery, Data Pipeline, MySQL, PostgreSQL
  • Notion, Slack, Jira, Figma, Copilot, Sentry
#GenAI #PromptEngineering #MLOps #CloudNative #API Economy #Copilot #ChatGPT #ResponsibleAI #NoCode #Security

Education and Certifications, Awards

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Education

  • Graduated with a Bachelor of Science in Computer Science (In South Korea)

GS Certification

  • November 2021: Data Analysis Software for Small Power Generation Facilities Operations (Grade 1 Certification)

Publication

  • December 2002: Network Game Server for Battle Net. Published by Youngjin Dotcom.

Planning

  • May 18, 2004: Selected for Excellent Digital Content Design and Production Support Project – Game Content Division (Supervised by the Ministry of Information and Communication and the Korea Software Promotion Agency)

Let's connect!

Get in touch to start a conversation about your project. You can expect a same-day response.

Please use the adjacent contact form to beam your message straight in to my inbox on high priority. Alternatively, you can email me directly at (mailto). 📬

📍 Address: Seoul, South Korea

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