Backend integration platform project connecting multiple travel, accommodation, and leisure partners to order, product, and search flows, verifying recurring partner data and a large product pool across API, batch, database, and search-exposure criteria.

Built the company's first Python/Flask-based TourGPT Gateway API Server during the early ChatGPT adoption wave in 2023, connecting GPT-3.5 Turbo on Azure OpenAI, Oracle, Docker/GitLab CI/Nomad, and production deployment validation.

A personal AI-assisted engineering workflow that runs AI-DLC through Context -> Analyze -> Verify -> Communicate -> Learn.

Feature development for Korea Tourism Organization (KTO) Hyugashop, connecting user, admin, and customer-portal functions with product, order, point, and statistics data flows.

Developed and operated Benepia as a shared welfare-commerce platform where multiple clients run different benefit policies, while handling client-specific features and ISMS/e-privacy security work.