Campass

Campass is a cross-platform campus discovery app that helps students find and explore places in real time. I launched the MVP with 25+ UC Berkeley students, building an API-driven ingestion pipeline and a Firestore-backed REST layer aggregating data on 500+ campus locations. I integrated an AI-powered campus agent with schema validation, OpenAI function-calling, and robust error handling to support real-time Q&A. In preparation for expansion, I positioned Campass for a multi-campus rollout through the UC Berkeley SkyDeck 2025 cohort.

SnackHub

SnackHub is a gamified food ordering app designed to optimize cooking operations for small businesses while making the customer ordering experience more engaging through gamified and social features. Qualified for the Naver D2 Startup Factory First Round, I led a 3-person team to build core functionalities including a reward-based ordering system, interactive UI, and personalized restaurant recommendations. I developed REST APIs on Google App Engine to manage user data and order flows, and piloted the app with a local restaurant, gathering feedback that led to a 60% improvement in user experience.

Wikipedia Talk-Page Comment Classification

Built an end-to-end NLP pipeline to categorize editorial feedback on Wikipedia talk-page comments into three tiers: minor edits, moderate suggestions, and major disputes. Fine-tuned a BERT model in PyTorch, achieving 87% test accuracy and outperforming baseline methods by 22%

Yelp Data Analysis

Analyzed real-world Yelp data to uncover insights into business attributes, user behavior, and review patterns. Developed queries in PyMongo to filter businesses, aggregate reviews, and extract nested fields from JSON-like documents for efficient analysis

Boba Time

Boba Time is an iOS application developed using Swift and SwiftUI/UX. The app features an engaging series of quizzes that utilize a custom algorithm to recommend a personalized boba drink. Users can save their favorite boba selections to a remote database powered by Firebase. The application was recognized as the winner of the UC Berkeley App Cubstart Competition.

Ehyun Elementary School English Musical Website

Ehyun Elementary School's English Musical Club is a state funded club that has 50+ members every semester. I created their official website using various tools and libaries.