I design the interface and build the code underneath it. Design work lives in the portfolio. Code lives here.
vacanza/holidays · merged in v0.75
Python l10n 1,743 lines across 9 files
Added Turks and Caicos Islands support: the country module, registry entry, en_TC and en_US localization, a test suite at 100% coverage, and a validated snapshot spanning 1963 to 2050. Reviewed by three maintainers before merge.
Python React RAG ChromaDB Claude / OpenAI / Gemini / Ollama
Multilingual RAG chatbot and evaluation suite benchmarking four models on translation across Spanish, Hebrew, Japanese, and Korean, built on 9,322 Wikipedia chunks and 400 translation pairs. I architected the RAG system, wrote the provider integrations and the API bridge, and built the React frontend.
Python XGBoost SHAP NASA VIIRS Geospatial
Whether artificial light at night disrupts bird migration, tested across 1,542 nights of radar, satellite, and weather data in New Jersey and Vermont. I built the data pipeline and the models, up to a stacking ensemble at 0.847 AUC, which found that light doesn't reduce migration volume but does raise disorientation by 35 to 59%.
SwiftUI iOS
Proximity-based attendance for the classroom, replacing roll call with a check-in that happens on arrival. I designed every screen and built them out in SwiftUI, and teammates wrote the feature logic behind them.
React Vite Tailwind Express PostgreSQL
A football dashboard holding results, match detail, player data, and standings in one interface, built in five weeks by a team of six. I owned the frontend, then built team following, notifications, the fixture calendar, and the home screen.
React Service Workers PWA Google Maps API
Progressive web app surfacing nearby hospitals, shelters, police stations, and food banks. Engineered to stay available during network loss through service workers that cache the full resource set on device.
Flutter and SwiftUI on mobile.
React and TypeScript on web.
Python when there's data involved.
Figma, constantly.
