Data Engineer · Backend Developer

I build backend and AI/NLP systems that turn data into real, usable services.

• Python · Django REST Framework · FastAPI · Flask
• PostgreSQL · MariaDB · Redis · Neo4j
• Celery · Pandas, Asynchronous Processing · Data Pipelines ...
• LLMs · RAG · NLP · Text Mining
• Azure OpenAI · OpenAI
• LangChain · NLTK
• Microsoft Azure(OpenAI · RAG · EventHub · ServiceBus · API Management ...)
• Oracle Cloud / AWS
• Docker · Linux
• Nginx · Apache
• GitHub Actions · CI/CD
• Vue.js · Vite
• Git · GitHub
• Jira · Confluence

NLP / AI Data Engineer

Built large-scale data pipelines for unstructured document processing and NLP data engineering, including data extraction, refinement, transformation, and RAG dataset preparation. Developed asynchronous processing systems using Django REST Framework, Celery, and Redis, and modeled relationships between document, sentence, and token data using Neo4j.

Project / Backend Developer

Designed and developed a B2B software platform, covering REST APIs, data processing automation, web scraping, infrastructure, and Windows application development.

Freelancer / IT Education

Azure-based Real-time Data & AI Service

• Real-time data streaming and processing
• Azure Event Hubs / Stream Analytics
• Azure PostgreSQL / Blob Storage
• Vue.js dashboard
• AI-powered analysis and RAG services

Azure Document RAG

• Document ingestion and processing
• Azure OpenAI
• FastAPI
• LangChain
• Vector search