Hello, I'm Woo Kwang Wan.

AI & Full Stack Developer.

Specializing in data-driven insights, LLM, RAG, and building intelligent web applications that transform data into actionable intelligence.

Passionate about bridging the gap between cutting-edge AI technology and practical business solutions, I create intelligent systems that not only process data but turn it into meaningful insights and actions.

Core Expertise

AI & Machine Learning

LLM integration, RAG systems, and intelligent automation solutions

Data Engineering

Data pipeline architecture and analytics-driven decision making

Full Stack Development

Scalable web applications with modern frameworks and best practices

Tech Stack

Building efficient and scalable solutions with diverse technologies and tools.

Languages

Python
JavaScript
TypeScript
C#

Frameworks

React
Next.js
Angular
ASP.NET
FastAPI

Databases & Search

MySQL
PostgreSQL
ElasticSearch

Cloud Services

AWS
Naver Cloud Platform
CloudFlare

Featured Projects

Project RAG

Personal Project

Built a public knowledge base enabling AI agents to access reliable, real-time data without separate RAG infrastructure. Leveraged Cloudflare's serverless ecosystem for scalability.

Web Development
Cloudflare WorkersTursoDurable Objects
AI Development
RAG PipelineWorkers AIDiskANNMRLSemantic Search

Proj. Run

Personal Project

A Markdown-based collaboration platform featuring project management, team member management, file management, and chat functionality. Responsible for the entire process from planning to design, development, deployment, and operations.

Web Development
Next.jsCloudflarePostgreSQL
AI Development
AI Agentn8nAuto Content Moderation

Insight Page

Company Project (B2C)

An online reputation analysis platform providing issue analysis and corporate/personal reputation analysis services. Responsible for the entire process including news data collection, development, deployment, operations, and enhancement.

Web Development
Angular.NET CoreFastAPIElasticsearchMySQLAWS
AI Development
AI AgentFastAPIKT Cloud (GPU, RBLN NPU) Server Setup & OperationLLM Fine-tuningvLLMAspect-Based Sentiment AnalysisIssue Analysis Agent

Insight Studio

Company Project (B2B)Innovation Voucher Award (2025)

A B2B platform providing business automation services primarily for financial sector clients. Responsible for design modifications and enhancements of various operators and automation tasks.

🏆 Award: Received Innovation Voucher Excellence Award in collaboration with NICE D&B & Fininsight

n8nKubernetesDockerNCPAuto Scaling

Insight Letter

Company Project (B2C)

A mailing service providing curated business announcements. Contributed to project implementation by handling partial development.

NEC Policy Election Cooperation Project

Public Project (2023)

A big data analysis project of media articles for policy election culture dissemination, used as foundational data for the 22nd National Assembly election pledges. Responsible for news data collection and processing.

📊 Usage: Used as foundational data for the 22nd National Assembly election pledges

Certifications

Bigdata Analysis Engineer

BAE

JLPT N1

Japanese-Language Proficiency Test

Advanced Data Analytics Semi-Professional

ADsP

SQL Developer

SQLD

Get In Touch

Feel free to reach out for project inquiries or collaboration opportunities.