Selected Product and Engineering Projects

AskOosu is a 2026 AI-connected portfolio deployed at oosu.dev on a Mac mini home server. Instead of asking visitors to scroll through static sections, it uses a Next.js chat UI, Vercel AI SDK, Groq, Notion RAG, and PostgreSQL-backed evidence to answer questions about Oosu, projects, skills, and portfolio work.

A fullstack SNS project inspired by Instagram Clone, implementing feeds, follows, comments, and backend API flows. It is built to practice the full product loop from database schema and API design to React UI deployment.

A real company homepage renewal and migration project. Oosu migrated the site from WordPress to a TypeScript and Vite based environment, handling the renewal as a practical frontend implementation project.

The 2025 frontend portfolio built as an interactive playground. It presents projects, experimental UI/UX, motion, and portfolio storytelling through a custom HTML/CSS/JavaScript experience.

An interactive Python learning web app designed around hands-on practice. It helps learners move from basic syntax to applied exercises through a lightweight browser-based learning flow.

A Java learning web app for object-oriented concepts and coding-test preparation. The project structures Java study into staged learning and practice for beginners.