Joe Rupertus

I am an undergraduate student at Princeton and an indie developer interested in human-computer interaction. I like to use tech to create engaging, interactive experiences that people enjoy using.

CS @ Princeton

B.S.E. in Computer Science, Minor in Robotics (Class of 2026)

Indie App Developer

Published 4 apps on the App Store, Swift Student Challenge Winner 2021

HCI Researcher

Exploring Human-AI collaboration, presented at CHI 2025 LBW in Yokohama, Japan

Apps

Planetaria

iOS, iPadOS, visionOS

An interactive Solar System simulator experience, now available on Apple Vision Pro.

Omega Calculator

A scientific calculator designed to make complex calculations simple and intuitive.

Bits & Bobs

A comprehensive collection tracker to organize your most treasured possessions.

Countdown Creator

The ultimate tool for keeping track of upcoming events and special occasions.

Research

Experience

Skills

Programming Languages

Swift

Java

JavaScript

TypeScript

Python

C

C#

C++

App/Web Development

SwiftUI

UIKit

React

Next.js

React Native

RealityKit

Core Data

SwiftData

Backend & Infrastructure

Python FastAPI

Supabase

Stripe

Clerk Auth

Model Context Protocol (MCP)

Product Design

Figma

UX Research

Graphic Design

Design Systems

User Testing

AR/VR

About

A portrait of me

Hello 👋

I grew up in South Jersey in the Philly area

I love running and exploring new places

I also like photography and making videos

Currently in Princeton, NJ 🐯

Let's connect ⬇️