Hi there, my name is...

William (Billy) Castelli


I’m a software engineer from California who loves building full stack applications.

About Me

I am an avid fan of technology pursuing a career in software development. I graduated from the University of California, Irvine in 2020 with a degree in Computer Science. Previously, I was a software engineer at Viasat Inc. in Carlsbad, Califonia. Today, I am a software engineer at Apple in Cupertino, California.

My goal is to build technology that people find useful.



Projects

Personal projects I've built over the years

Silicon Info

Mac menu bar application developed to assist users during the transition to Apple Silicon. Informs the user whether an application is running natively on ARM or translated through Rosetta 2. Published on the Mac App Store with 20,000+ downloads.


App StoreGitHubMore Info

MLB QuickStats

Full stack web application built with Next.js, Elasticsearch, and AWS (API Gateway, Lambda). The app allows the user to search and graphically view the historical batting records of Major League Baseball players. Deployed using Vercel.


Live SiteGitHub

Movie Watchlist

Full stack web application built using Python, Flask, and MySQL. Allows the user to create custom lists of films. Movie information obtained from The Movie Database API. This application was deployed in many different ways over the years, today it is being served via Heroku.


Live SiteGitHub


Skills

Python

Flask

Docker

Javascript

React.js

HTML

CSS

AWS

Git

SQL

NoSQL

REST